Arturia Keystep Pro Bruksanvisning
Arturia
Midi-keyboard
Keystep Pro
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USER MANUAL
_KEYSTEP PRO
Special Thanks
DIRECTION
Frédéric Brun Philippe Cavenel Sébastien Colin
ENGINEERING
Yannick Bellance Sébastien Colin Yannick Dannel
INDUSTRIALIZATION
Jérôme Blanc Lionel Ferragut
TESTING
Maxime Audfray
Florian Marin
Benjamin Renard
Jean-Baptiste Arthus
Victor Morello
Adrien Soyer
BETA TESTING
Boele Gerkes
Gert Braakman
Andrew Henderson
Koshdukai
Gustavo Lima
Mark Dunn
Maxime Dangles
Paul Steinway
Tom Hall
Tony Flyingsquirrel
Chuck Zwicky
Terry Marsden
Armin Heinrich
MANUAL
Gert Braakman (Author)
Camille Dalemans
Vincent Le Hen
Jimmy Michon
Rob Stuart
Holger Steinbrink
Charlotte Métais
Minoru Koike
José Rendón
DESIGN
Sébastien Rochard
Edouard Madeuf
Maxime Audfray
Jean-Baptiste Arthus
Glen Darcey
DesignBox
Frédéric Brun
Yannick Bellance
© ARTURIA SA – 2021 – All rights reserved.
26 avenue Jean Kuntzmann
38330 Montbonnot-Saint-Martin
FRANCE
www.arturia.com
Information contained in this manual is subject to change without notice and does not
represent a commitment on the part of Arturia. The software described in this manual is
provided under the terms of a license agreement or non-disclosure agreement. The software
license agreement specifies the terms and conditions for its lawful use. No part of this
manual may be reproduced or transmitted in any form or by any purpose other than
purchaser’s personal use, without the express written permission of ARTURIA S.A.
All other products, logos or company names quoted in this manual are trademarks or
registered trademarks of their respective owners.
Product version: 2.0
Revision date: 30 April 2021
Thank you for purchasing the Arturia KeyStep
Pro!
This manual covers the features and operation of Arturia’s KeyStep Pro. KeyStep Pro is
a full-featured standalone keyboard controller complete with four polyphonic sequencers,
three arpeggiators, a wide-ranging set of USB, MIDI and CV connections and our Slimkey
keyboard that provides maximum playability with a minimal footprint.
KeyStep Pro is designed for the electronic musician looking for a reliable hardware product
that will give them fast hands-on control over up to four devices at once. Each device
can be played directly through the keyboard or controlled by one of the four sequencers/
arpeggiators. Devices can also be controlled through USB, two independent MIDI outputs
or four sets of CV and Gate outputs, giving users the ability to control nearly any kind of
electronic musical instrument available today.
In this package you will find:
• One KeyStep Pro controller, with a serial number and unlock code on the bottom.
You will need this information in order to register your KeyStep Pro.
• One "worldwide" power supply with interchangeable leads
• One USB cable
• The Quick Start Guide for KeyStep Pro
Be sure to register your KeyStep Pro as soon as possible! There is a sticker on the bottom
panel that contains the serial number of your unit and an unlock code. These are required
during the online registration process. You may want to record these elsewhere or take a
photo of the sticker in case it becomes damaged.
Registering your KeyStep Pro provides the following benefits:
• Access to the latest version of the MIDI Control Center software
• Special offers restricted to KeyStep Pro owners
Special Message Section
Specifications Subject to Change:
The information contained in this manual is believed to be correct at the time of printing.
However, Arturia reserves the right to change or modify any of the specifications without
notice or obligation to update the hardware that has been purchased.
IMPORTANT:
The product and its software, when used in combination with an amplifier, headphones or
speakers, may be able to produce sound levels that could cause permanent hearing loss.
DO NOT operate for long periods of time at a high level or at a level that is uncomfortable.
If you encounter any hearing loss or ringing in the ears, you should consult an audiologist.
NOTICE:
Service charges incurred due to a lack of knowledge relating to how a function or feature
works (when the product is operating as designed) are not covered by the manufacturer’s
warranty, and are therefore the owner's responsibility. Please study this manual carefully
and consult your dealer before requesting service.
Precautions include, but are not limited to, the following:
1. Read and understand all the instructions.
2. Always follow the instructions on the instrument.
3. Before cleaning the instrument, always remove the USB and power cables.
When cleaning, use a soft and dry cloth. Do not use gasoline, alcohol, acetone,
turpentine or any other organic solutions; do not use a liquid cleaner, spray or
cloth that is too wet.
4. Do not use the instrument near water or moisture, such as a bathtub, sink,
swimming pool or similar place.
5. Do not place the instrument in an unstable position where it might accidentally
fall over.
6. Do not place heavy objects on the instrument. Do not block openings or vents
of the instrument; these locations are used for air circulation to prevent the
instrument from overheating. Do not place the instrument near a heat vent at any
location with poor air circulation.
7. Do not open or insert anything into the instrument that may cause a fire or
electrical shock.
8. Do not spill any kind of liquid onto the instrument.
9. Always take the instrument to a qualified service center. You will invalidate your
warranty if you open and remove the cover, and improper assembly may cause
electrical shock or other malfunctions.
10. Do not use the instrument with thunder and lightning present; otherwise it may
cause long distance electrical shock.
11. Do not expose the instrument to hot sunlight.
12. Do not use the instrument when there is a gas leak nearby.
13. Arturia is not responsible for any damage or data loss caused by improper
operation of the instrument.
Introduction
Congratulations on your purchase of the Arturia KeyStep Pro!
This fantastic keyboard controller gives you everything you need to quickly and easily
control up to four devices at once: virtual instruments, hardware synthesizers, modular
synthesizers or drum machines. Its standalone design means that you can use it with
or without a computer and its four powerful sequencers/arpeggiators are sure to spark
interesting musical ideas and capture your best performances.
All the essential features of a professional keyboard controller are here, including aftertouch,
pitch and modulation touch-strips, and clearly labeled buttons and knobs that are sensibly
laid out for fast, intuitive access. The Slimkey keyboard features great-feeling keys that are
smaller than standard piano keys but still large enough to allow for maximum playability
across multiple octaves. These keys make the product smaller and more portable but—make
no mistake—KeyStep Pro is built like a tank so that it can be taken on tour with confidence.
We hope the four polyphonic sequencers will unleash your most interesting musical ideas.
The RGB LED indicators above each key give you immediate visual feedback of exactly
what each sequencer is doing. You can specify the exact pitch, length, velocity, timing and
randomness of a sequence step through touch-sensitive knobs with surrounding indicator
LED rings. The dedicated note tie, transposition, overdubbing and hold buttons bring
immediacy and power to the sequencers. You can even set independent lengths for each of
the four sequencers for amazing polyrhythmic fun! Breath new life in your sequences by
playing them in a different key. Transposition is handled intelligently; sequences remain in
key as they are transposed. Invert them, shift them forward or backward in time, then send
it all out on the four Voices to your Modular system.
The arpeggiators have many inspiring modes of operation beyond the basic up/down
modes. The HOLD function lets you easily create complex arpeggiations with up to 16
notes and the step timing can be manipulated in real time. Experiment with Arpeggiators
like you've never done before! Create and mix the output of three arpeggiators playing
simultaneously. Mix arpeggios playing at different speeds. Finally, the scale quantization
and chord memory features will make you seem like even more of a musical monster than
you already are!
Use the Drum track to create complex polyrhythms; rhythms of different lengths playing 24
notes. Or use the first 8 channels to trigger drum units on your modular system. Use the
control track to control filters envelope stages, or reverb times on your external synths.
All of its features are one SHIFT/CLICK away. There's no menu-diving. If you need to change
settings there's a configuration menu, but it's a set-and-forget thing. The real stuff that
makes your music come to life is always at your fingertips. And what features they are!
Four sequencers, that can play huge stacked chords in every step. Advanced step editing;
take the chord stored in a step and change only the notes you want to change in that chord.
In addition to the standard MIDI ports, there is a second MIDI port that you can use to
control more gear or a DMX light controller.
KeyStep Pro has a massive number of uses thanks to its simultaneous USB, MIDI, CV/Gate
connections. Each of the its four tracks can output on USB, MIDI or CV/Gate simultaneously.
Each track on KeyStep Pro has control voltage (CV) outputs for Pitch, Gate and an extra
"modulation" CV output that allows for more creative sound design by letting you control
things like controlling velocity, filter cutoff, or any other parameter of your choosing. The first
track of KeyStep Pro can be set to function as a drum or "trigger" sequencer with 8 separate
CV gate outputs that you can use with analog drum machines or your modular synthesizer.
The powerful synchronization features let you use KeyStep Pro as a master clock source or
to have it synchronize itself to incoming USB, MIDI or CV synchronization signals. KeyStep
Pro can send and receive clock signals and even has a separate clock reset CV output jack
so that your external analog gear always remains firmly synchronized in both tempo
and
phase (loops and sequences always start on the "one" together).
Our MIDI Control Center (MCC) software allows you to dive deep into the KeyStep Pro's
features and to reconfigure the product so that it works best for you and your setup. MCC
really opens up a lot of options and we have dedicated an entire chapter of this guide so
that you can understand all of the powerful options.
The KeyStep Pro is a USB MIDI Class Compliant device. What does that mean and why
is it important? It means you can connect it to any other MIDI class-compliant device
without having to install drivers. Only when connecting to an iPad you will need a camera
connection cable or a USB to lightning cable. Arturia has a great line of iPad synthesizers
such as the iMini, the iSem, the iProphet and the iSpark. It's worth checking them out.
Be sure to visit www.arturia.com. That’s the place to go for the latest firmware and to
download the MIDI Control Center. You’ll also find links to our tutorials and FAQs.
KeyStep Pro is easy to use, so you’ll probably start experimenting with it right out of the box.
However, please be sure to read this manual even if you are an experienced user, as we
describe many useful tips that will help you get the most out of your purchase. We're sure
you will find KeyStep Pro to be a great source of musical inspiration and we hope you'll use
it to its fullest potential.
Happy music making!
The Arturia team
Table Of Contents
1. Welcome and introduction .................................................................................................................................... 2
1.1. A fascinating adventure..................................................................................................................................................... 2
1.2. About reading manuals..................................................................................................................................................... 2
1.3. KeyStep Pro 2.0 Updates................................................................................................................................................. 3
1.4. Detailed overview.................................................................................................................................................................. 5
2. Installation...................................................................................................................................................................... 12
2.1. Usage Precautions.............................................................................................................................................................. 12
2.2. Warning .................................................................................................................................................................................... 12
2.3. Register your Instrument.............................................................................................................................................. 12
2.4. Connecting the KeyStep Pro to the World ......................................................................................................... 12
3. Basic Operations ........................................................................................................................................................ 13
3.1. Plug and Play......................................................................................................................................................................... 13
3.2. Record and Play a Sequence...................................................................................................................................... 17
3.3. Using the Arpeggiator ..................................................................................................................................................... 19
3.4. Scales & Chords ................................................................................................................................................................ 20
3.5. Creating Splits .................................................................................................................................................................... 20
4. KeyStep Pro Overview............................................................................................................................................ 21
4.1. Making the Connections.................................................................................................................................................. 21
4.2. Front Panel Overview..................................................................................................................................................... 32
4.3. Back Panel Overview...................................................................................................................................................... 57
5. Making Tracks ............................................................................................................................................................. 63
5.1. Sequencer / Arpeggiator (or Drum) Tracks ...................................................................................................... 63
5.2. The Three Arpeggiators................................................................................................................................................. 63
5.3. The Four Sequencers....................................................................................................................................................... 74
5.4. The Drum Sequencer...................................................................................................................................................... 92
5.5. Special Features............................................................................................................................................................... 108
6. What is a Project?................................................................................................................................................... 115
6.1. Managing Projects ............................................................................................................................................................ 115
6.2. All about Tracks .................................................................................................................................................................. 119
6.3. Patterns................................................................................................................................................................................... 121
6.4. Arranging.............................................................................................................................................................................. 125
7. Timing.............................................................................................................................................................................. 132
7.1. Tempo ....................................................................................................................................................................................... 132
7.2. Sync .......................................................................................................................................................................................... 135
7.3. Sync/Clock and Reset Outputs ............................................................................................................................... 136
8. Control Mode .............................................................................................................................................................. 137
8.1. What is Control Mode? .................................................................................................................................................. 137
8.2. Control Mode as DAW Automation...................................................................................................................... 139
8.3. Front Panel Functions................................................................................................................................................... 144
9. KeyStep Pro Configuration ............................................................................................................................... 145
9.1. The Utility Menu ................................................................................................................................................................. 145
9.2. MIDI Control Center....................................................................................................................................................... 155
9.3. Project Browser................................................................................................................................................................. 157
9.4. Store To/Recall From..................................................................................................................................................... 158
9.5. Device Settings................................................................................................................................................................. 160
10. KeyStep Pro and your Modular system ................................................................................................ 167
10.1. The Modular Adventure.............................................................................................................................................. 168
10.2. Hardware or Software?............................................................................................................................................ 168
10.3. Using MIDI to Control Modules in VCV Rack.............................................................................................. 169
10.4. CV/Gate Functions ........................................................................................................................................................ 172
10.5. Voices 1-4: Pitch, Velocity and Gate ................................................................................................................... 172
10.6. Routing Signals................................................................................................................................................................ 173
10.7. Drum Gates ........................................................................................................................................................................ 176
11. Declaration of Conformity................................................................................................................................ 178
12. Software License Agreement........................................................................................................................ 179
1. WELCOME AND INTRODUCTION
The KeyStep Pro is an advanced third-generation controller and sequencing station. It is
both compact and versatile, with unique features that will spark your imagination and
creativity in a new way. It enables you to connect to all your studio and performance gear
and control it in ways you never thought possible.
Controllers have come a long way. The first generation of controllers could transmit MIDI
pitch and velocity over the 16 MIDI channels, not much more. The second generation
added complex step- and real-time sequencing features and was capable of connecting to
your DAW in special ways, allowing you to control multiple parameters of VSTi's (virtual
instruments, including synths).
This third-generation controller adds control options for modular systems. The KeyStep Pro
has four tracks each with CV, velocity/modulation and gate output. You can employ each of
these tracks as a melodic sequencer, arpeggiator or drum sequencer. It lets you play, record
edit and add to your sequences on the fly, with a clear and easy-to-understand workflow
that encourages your creativity. Each pattern can be up to 64 steps long. You can chain up
to 16 patterns together for live performances or jamming. The Scenes feature enables you to
save and recall configuration states. It's a lifesaver if you need to change quickly from one
setup to another. Couple this with the advanced chord options and scale quantization and
you'll begin to understand why it will soon become your favorite controller.
1.1. A fascinating adventure
As soon as you start experimenting with the KeyStep Pro, you'll be faced with many
questions: How do I make connections? What are the difference between Real-time and
Step recording?
The answers to these questions come slowly: you'll find many of the answers in this manual
and many others by reading online forums, sharing and comparing user experiences and,
most importantly, by diving in and experimenting. Whatever you do, take the time to get to
know the KeyStep Pro inside and out.
To sustain the fascination you feel, learn the functions of the KeyStep Pro one by one and
test your knowledge continuously. The KeyStep Pro is an advanced controller with many
levels of understanding. It offers a unique way to experience the reward that comes with
being able to create the music as you imagine it.
1.2. About reading manuals
Reading manuals can mean much more than familiarizing yourself with an instrument.
Yes, it is excellent for learning, but it serves another purpose that is much less understood:
creating the basis for inspiration.
Inspiration can flourish when you have many little pieces of knowledge 'online' in your
mind, so that you can interconnect and crosslink them; it widens the scope of your creativity.
It also helps to look at the current state of your knowledge as something that needs to be
maintained and expanded. Reading a manual again and again causes a quantum shift in
what you absorb from it. You are building a living model of the controller in your brain.
Reading a manual the first time helps you get acquainted with the parameters of an
instrument; what does a knob do and how does it affect the sound of external modules or
synths? Second and third readings will give you a better understanding of the structure of
the KeyStep Pro. Beyond that, reading becomes a source of creative input that inspires you
to think of new ways to use this unique controller and sequencing station.
2 Arturia - User Manual Keystep Pro - Welcome and introduction
1.3. KeyStep Pro 2.0 Updates
Welcome to version 2.0 of the Arturia KeyStep Pro!
The overview below is intended for existing users of the KeyStep Pro.
Update 2.0 adds many new features that will help you develop a personal music style.
Here's a summary of these new features:
1.3.1. Workflow refinements
Workflow refinements:
• Group Transpose now lets you transpose several tracks simultaneously
• Monitor steps in Step Edit (when the KSP is stopped pressing a step will play the
notes stored in it)
• Use 'recall from flash' to instantly recall project settings from memory
• Metronome: The metronome time signature will now act as a reference for bar
size and launch quantize
• Tempo: Changing tempo is more accurate, the KeyStep Pro will make a tempo
estimate after 4 taps or take the average of 8 taps
• Changed 'Shift' behaviour: when holding 'Shift', the steps will dim instead of
turning off
• Simplified entering of Chords in Chord Mode
• The Looper Touch Strip can now be deactivated with Shift + Touch
• Feedback about the status of patterns in a track.
1.3.2. Arpeggiator improvements
• Apply a different swing amount to each arpeggiator in a project
• Add or subtract Velocity to the notes playing in an arpeggiator
• Record an arpeggio into a sequence in real-time recording mode
• Offset an Arpeggiator in time from another arpeggiator while it is on hold.
1.3.3. Sequencer improvements
• Step listen: when the KeyStep Pro is stopped and Step Edit enabled, pressing a
step will play the notes or chords in that step
• Sequencer MONO mode workflow has been refined
• Global offset: change the parameters of all steps in a Pattern simultaneously with
'Shift' + encoder (applies to Pitch, Gate, Velocity, Time Shift and Randomness)
• Quick edit workflow improvements
• Copy/Paste notes workflow improvements
• Copy/Paste pages
Control track: Nudge, Invert and Rand Order functions can now be applied to values stored
in the Control Track
Arturia - User Manual Keystep Pro - Welcome and introduction 3
1.3.4. Improved Chord Mode workflow and functionality
Initiate Chord mode by holding 'Shift' + Chord and press notes to add to the chord. As long
as you keep one note down, you can release the Shift and Chord button and continue to
add notes to the chord. Chord mode output can now be recorded in a sequence running in
real-time recording mode.
1.3.5. MIDI Thru
MIDI OUT 2 can now be configured as a MIDI THRU port. When set to Thru, MIDI info
received through the MIDI In or the USB port will be forwarded to MIDI OUT 2. You can set
this in the MIDI control center or from Utility>MIDI Settings.
Note: Information sent on the tracks input MIDI channels will be processed by the KeyStep
Pro tracks. On the other hand, you can disable the tracks input MIDI channels to let the
signal pass through on all channels.
1.3.6. Track and Transpose info
Hold a track button to check which MIDI channel it transmits on. Hold the transpose button
to check how many semi steps the active track is transposed by.
1.3.7. MCC support for pedals
MIDI Machine Control MMC support for pedals: you can now use them to start and stop
sequences.
1.3.8. Metronome
The Time signature you set in Utility>Time Sig will be used by the KeyStep Pro to set bar size.
Changing the Time signature will therefore also affect Launch Quantize. If, for example, you
have set the Time Signature to '6' and Utility>Launch Quantize is set to 1 bar, the KeyStep Pro
will not load the next pattern until all six beats of the bar have played.
1.3.9. Shift function
When holding 'Shift', the steps will dim instead of turning OFF. This allows you to see
the effect of the shift functions when modifying a step's position with Nudge, Invert or
Randomise Order.
1.3.10. Tempo
Tap the Tempo button four times to set an initial tempo. Tap it 8 eight times to further refine
the tempo estimate. The KeyStep Pro will then calculate the average of the eight taps.
4 Arturia - User Manual Keystep Pro - Welcome and introduction
1.4. Detailed overview
Read below for a more detailed overview of the major changes.
1.4.1. Project Recall
Use 'Recall from flash' to instantly recall project settings from memory - a great trick to use
during live performances. To give an example:
• Create sequences using the 4 tracks
• Save your project
• Start improvising: make changes to drum gates (using global offset) and
sequence tracks to create tension and then, when the tension is at its peak:
• Hold Project and press Shift to Recall the stored Project from flash and restore
the original groove!
Arturia - User Manual Keystep Pro - Welcome and introduction 5
1.4.2. Arpeggiator improvements
1.4.2.1. Record an arpeggio into the sequencer
This new feature enables you to record an arpeggio in the sequencer on the same track. It
works like this:
• Select a track (2, 3 or 4) and set it to Arpeggio mode
• Select an empty pattern in this track
• Set Mode to Poly ('Shift'+ Poly)
• Deselect overdub so it's off (to get a better idea of what's happening)
• Start the Arpeggiator (press Play)
• Press record, hold down a chord to start an arpeggio.
Now, simply press the sequencer button on the same track to activate the sequencer and
start playing back the recorded arp.
All 'Shift' edit options are now available to further edit the sequence.
1.4.2.2. Apply Swing to an arpeggio
Swing can now be applied to arpeggios. Turning the Swing knob will apply swing to all
arpeggios simultaneously. Use 'Shift' + Swing to apply swing to the arpeggio on the active
track only. When you record an arpeggio and quantize is off, Swing is recorded in the
sequencer.
1.4.2.3. Play an arpeggio when the sequencer is stopped
It's no longer necessary to start the sequencer playback to be able to 'Play' an arpeggio. An
arpeggio will run whenever you hold down keys.
1.4.2.4. Arpeggiator Velocity is now bipolar
The velocity value of notes playing in an arpeggio can now be changed in real time. When
the velocity encoder is at '0', all notes in the arpeggio will play with the velocity registered
when you pressed the key. Turning the encoder to the right will add to this velocity until a
maximum of 127 is reached. Turning the encoder to the left will subtract from the registered
velocity value. Until, at the -127 point, the note goes silent.
6 Arturia - User Manual Keystep Pro - Welcome and introduction
1.4.3. Sequencer improvements
1.4.3.1. MONO mode refinement
When recording in MONO mode, the KeyStep Pro will only allow you to store one note per
step, whether in Quick Edit, Step Edit or Real Recording mode. This makes it easier to record
bass lines. Any new patterns you create in MONO mode will always record with Overdub
OFF.
1.4.3.2. Global offset: Shift + encoder
Holding 'Shift' and turning one of the five encoders will apply a relative offset to all steps
contained in the sequence for a parameter. The offset can be positive or negative. If for
example you Hold 'Shift' and turn the Velocity encoder to the right, the value you dial in
will be added to the velocity value of all the steps in the sequence. Turning the encoder to
the left will subtract the value dialed-in. The KeyStep Pro will display the amount of added/
subtracted velocity.
Global offset has no effect on the pitches in the drum track, but it will affect Gate, Velocity,
Time Shift and Randomness.
1.4.3.3. Step Listen
Step listen is finally here! When the sequencer is stopped and Step Edit is ON, pressing a
Step selects and triggers it. This enables you to preview and edit the step without having to
wait for the full pattern to cycle. When you press a step, each note recorded in it is played
with its properties (Pitch, Velocity, Gate, Randomness and Time Shift). The note with the
lowest time shift value plays instantly and the others are played based on their timing offset
from this first note. The note with the longest gate in the step determines how long the step
will sound.
Arturia - User Manual Keystep Pro - Welcome and introduction 7
1.4.3.4. Copy, Paste & Erase (Notes)
The Step Edit mode has an important new feature: copying and pasting notes!
Copy/Paste notes enables you to select notes in a step and copy them to another location:
• in the same step
• in another step
• in another step on another page.
The notes you Copy/Paste will retain all of their properties: Pitch, Gate, Velocity, Time-
Shift and Randomness. It's an amazing creative option that you can use to create chord
progressions and dynamic variations in a pattern.
To copy a chord from one step to another:
• Select a step that holds notes
• Hold the Copy button, the notes currently present in the step will light up in the
track color
• Press the notes you want to copy. Notes selected for copy will light up in blue
• Let go of the copy button.
To paste the selected notes into the same step:
• Hold Paste
• Press the key where you want to paste the selected notes.
The notes will be pasted with their original intervals intact.
To paste the selected notes into another step:
• Select the step you want to paste to
• Hold Paste
• Press the key where you want to paste the selected notes.
Again, the notes will be pasted with their original intervals intact.
You can repeat the Paste action as many times as necessary.
♪: It's not possible to copy notes that are OFF.
1.4.3.5. Copy/Paste & Erase (Pages)
You can copy a page (16, 32, 48, 64) to any other page.
Hold 'Copy" and press an active page. The page is now in memory: you can paste it to any
page of any pattern on any track. Paste it by selecting a track and a pattern. Please refer to
Chapter 5 [p.90]
8 Arturia - User Manual Keystep Pro - Welcome and introduction
1.4.3.6. Improved quick editing
As long as you hold at least one note down during quick editing, you can continue to add
other notes to the step. While in Quick Edit mode, you can adjust the Pitch, Gate, Velocity,
Time Shift and Randomness of the notes stored in the step. Pressing the Tie/Rest button
increases the gate length of these notes but doesn't move the cursor nor erase the content
of the next step. When all the keys are released, the Quick Editing process is complete.
1.4.4. Group Transpose Function
The 'Transpose Group' feature enables you to group and transpose tracks together. Here's
how to do it:
• Hold the Trans button. It will start to blink to signal that you are now in transpose
mode
• Select other tracks to form a transpose group. The newly selected tracks will light
up in white.
You can now transpose the newly formed group. As long as the Trans button is held down,
you can keep adding or removing tracks from the transpose group. Group transpose can be
applied to anything running on a track. You can combine a sequence running in track one
with an arpeggio running in track two and transpose them together.
There are two ways to delete a group:
• Hold 'Erase' and press the 'Transpose' button or
• Hold 'Transpose' and remove Tracks that are part of the group by toggling them
'OFF'.
When you save a Project, a currently active group will be saved with it.
Arturia - User Manual Keystep Pro - Welcome and introduction 9
1.4.5. New Chord Mode functionality
Chords can now be recorded in the sequencer:
To record chords in the sequencer in real-time recording mode:
• Select a track (2, 3 or 4) and set it to Sequencer mode
• Select an empty pattern in this track
• Set Mode to Poly ('Shift'+ Poly)
• Press 'Shift' and Tie/Rest (Chord) and hold a chord on the keyboard
• Let go of 'Shift' and Tie/Rest, and check that the model chord has been saved by
playing keys on the keyboard
• Press Record + Play, and play a few notes to record the corresponding chords in
the sequencer.
To record chords in the sequencer in step recording mode:
• Select a track (2, 3 or 4) and set it to Sequencer mode
• Select an empty pattern in this track
• Set Mode to Poly ('Shift'+ Poly)
• Press 'Shift' and Tie/Rest (Chord) and hold a chord on the keyboard
• Press Record when the sequencer is stopped and play keys to record the
corresponding chords in the sequencer. The Sequencer will automatically
advance after each keypress.
To record chords in the sequencer in step edit mode:
• Select a track (2, 3 or 4) and set it to Sequencer mode
• Select an empty pattern in this track
• Set Mode to Poly ('Shift'+ Poly)
• Press 'Shift' and Tie/Rest (Chord) and hold a chord on the keyboard
• Press Record when the sequencer is stopped and record chord directly in
random steps.
To record chords in the sequencer in quick edit mode:
• Select a track (2, 3 or 4) and set it to Sequencer mode
• Select an empty pattern in this track
• Set Mode to Poly ('Shift'+ Poly)
• Press 'Shift' and Tie/Rest (Chord) and hold a chord on the keyboard
• Hold a step and play press a key to add the chord to the step
♪: The Hold button acts as a sustain pedal. Just press Hold and add notes to the chord.
10 Arturia - User Manual Keystep Pro - Welcome and introduction
1.4.6. MIDI Thru
Would you rather have a MIDI Thru port instead of a second MIDI port? You now have a
MIDI Thru option for MIDI Out 2. To change the function of the second port, hold 'Shift" and
Project/Utility and select the MIDI setting menu, where you can change the MIDI out setting
from Out to Thru.
♪: Information sent on the tracks input MIDI channels will be processed by the KeyStep Pro tracks.
On the other hand, you can disable the tracks input MIDI channels to let the signal pass thru on all
channels.
1.4.7. MMC Support for pedals
Firmware update 2.0 and upwards introduce (limited) MIDI Machine Control (MMC) support
for pedals. You can now use a pedal to start and stop sequences.
Arturia - User Manual Keystep Pro - Welcome and introduction 11
2. INSTALLATION
2.1. Usage Precautions
The KeyStep Pro uses an external power adapter. Do not use any power supply or adapter
other than the unit provided by Arturia. Arturia accepts no responsibility for damage caused
by the use of an unauthorized power supply.
2.2. Warning
Do not place this product in a place or position where anyone might walk on, trip over,
or roll anything over power cords or connecting cables. The use of an extension cord is
not recommended. However, if you must use one, make sure that the cord can handle
the maximum current needed by this product. Please consult a local electrician for more
information on your power requirements. This product should be used only with accessories
supplied or recommended by Arturia. When used with any such products, please observe
all safety markings and instructions that accompany them.
2.3. Register your Instrument
Registering your instrument establishes your legal ownership of it, which entitles you to
access the Arturia Technical Support service and to be informed of updates. Additionally,
you can subscribe to the Arturia newsletter to be informed of Arturia-related news as well
as promotional offers. Connect to your , go to the section My RegisteredArturia account
Products, then add the KeyStep Pro by entering its serial number, as printed on the sticker
located under the controller.
2.4. Connecting the KeyStep Pro to the World
Always power off all audio gear before making any connections. Failing to do so may
damage your speakers, the KeyStep Pro, or the other audio equipment. After completing all
connections, set all volume levels to zero. Power on the various devices, with your audio
amplifier or monitoring system last, then raise the volumes to a comfortable listening level.
Here is an overview of the KeyStep Pro connectors:
Purpose Connector type
MIDI input (1x) 5-pin DIN connector
MIDI outputs (2x) 5-pin DIN connectors
USB Standard USB type B
Power 12V DC input: internal Ø 2.1 mm, external Ø 5.5 mm
12 Arturia - User Manual Keystep Pro - Installation
3. BASIC OPERATIONS
3.1. Plug and Play
Connect the KeyStep Pro to your computer or an external device as shown in the image
below and you're ready to go! Here are a few pointers to make the most of your first session.
3.1.1. Slimkey Keyboard
The Slimkey keyboard is both velocity- and pressure-sensitive (also called aftertouch). You
can specify the velocity curve and aftertouch response using the MIDI Control Center and
the Utility menu. Refer to for details.Chapter 9 [p.145]
Arturia - User Manual Keystep Pro - Basic Operations 13
3.1.2. Keyboard MIDI Channel Selection
The KeyStep Pro can transmit notes and other MIDI messages on 16 channels numbered 1
to 16. Each of the four tracks of the KeyStep Pro transmits on its own channel: Track 1 on
MIDI channel 1, and Tracks 2, 3 and 4 on MIDI channels 2, 3 and 4 respectively. Track 1 is
a special case because it has both a melodic sequencer and a drum sequencer. When in
sequencer mode, Track 1 transmits on MIDI channel 1; when in Drum mode it transmits on
MIDI channel 10. Most MIDI devices default to receiving on MIDI channel 1, so connecting
an external device and playing notes on Track 1 will usually trigger a response from the
external device.
♪: If the external device does not respond, that may be because it is set to a MIDI channel that
doesn't match the current KeyStep Pro MIDI channel. First check the MIDI channel setting of the
external device. If the channels do not match and you want to set the KeyStep Pro to another MIDI
channel, you'll have to go into the Utility menu.
In the Utility menu, you can set all the configuration options of the KeyStep Pro, including
the MIDI transmit functions. Like most fine-tune functions on the KeyStep Pro, you access
it with the 'Shift' key. 'Shift' functions are printed in blue and can usually be found below
buttons. In this case, the Utility function sits under the Project button.
• Hold 'Shift' + Project (Utility); the Utility menu will light up
• Turn the selection encoder to scroll down to 'MIDI channels'
• Now push the selection button, and scroll down to Track 1 output, push once more
and select the MIDI channel you want to transmit on
• Press 'Shift' + Exit repeatedly to exit Utility.
♪: A quick way to assign a MIDI channel to a track is to hold a track button and turn the main
encoder.
14 Arturia - User Manual Keystep Pro - Basic Operations
3.1.3. Pitch and Mod Touch Strips
The Pitch and Mod touch strips are similar to standard wheels in how they work, except that
you slide your finger backward or forward along the strip instead of rotating a wheel.
3.1.3.1. The Pitch Strip
The Pitch strip has a center zone in which slight finger movements produce no change.
Moving your finger forward bends the pitch upward, and moving it backward bends the
pitch downward. When you lift your finger, the Pitch bend value snaps back to zero.
3.1.3.2. The Mod Strip
The Mod strip works like a mod wheel: from minimum to maximum. Placing your finger at
the bottom of the Mod strip (the end closest to you) produces no modulation, and moving
your finger all the way up (to the end furthest from you) causes maximum modulation. The
Mod strip differs from the Pitch strip in that it does not snap to zero when you lift your finger.
3.1.4. The HOLD Button
The HOLD button enables the Arpeggiator to keep playing after you take your fingers off the
keys. But there's another way to use it: while HOLD mode is active, you can keep adding
notes to an arpeggio as long as you continue holding down at least one key.
For an in-depth look at the Arpeggiator, refer to .chapter 5 [p.63]
3.1.5. Sustain Pedal
If you have a momentary footswitch, plug it into the Sustain jack socket on the rear panel. If
it works backwards, disconnect your KeyStep Pro from its power source and then reconnect
it. KeyStep Pro will sense the polarity of the pedal, and it should work fine after that.
♪: The KeyStep Pro offers limited MIDI Machine Control (MMC) for pedals : you can only use them to
start and stop sequences.
Arturia - User Manual Keystep Pro - Basic Operations 15
3.1.6. Octave - / Octave +
Pushing one of the Octave select buttons will transpose the keyboard pitch by as much as
two octaves up or down. To reset the keyboard octave shift back to zero, press both buttons
simultaneously.
16 Arturia - User Manual Keystep Pro - Basic Operations
3.2. Record and Play a Sequence
The KeyStep Pro features four (!) sequencers - one on each track. Let's record something on
Track 1:
• Press the Track 1 button; it will light up in green
• Select 'Seq' on this track if it isn't already selected
• Now hold the 'Record' button and press the 'Play' button; the step buttons' LEDs
now become active and cycle from Step 1 to Step 16 continuously. We are about
to create our first sequence pattern. Each track can hold 16 of these patterns.
The sequencer is in loop mode, so press a few keys and they will be added to the loop. The
KeyStep Pro sequencers are polyphonic, so pressing a chord instead of a single note will
enter it into the loop. Notice that all notes are recorded with the velocity at which you play
them.
To hear what you've recorded in a step, press the Step Edit button. The sequencer must be
stopped to make this work.
Select a step to preview the notes stored in it. When you press a step, each one of its notes is
played with its properties (Pitch, Velocity, Gate, Randomness and Time Shift). The note with
the lowest time shift value plays instantly, and the others are played based on their timing
offset from this first note. The note with the longest gate in the step determines how long
the step will sound.
Step Edit mode has many more options. We'll further explain these in Chapter 5 [p.83]
At this point, you can start to 'play around' with your sequence. When you look carefully,
you'll see sequence modifiers printed in blue under the step buttons.
• Hold the 'Shift' key (the leftmost button on the KeyStep Pro) and press 'Semi Up'
or 'Semi Down' to transpose your sequence in half-step increments on the fly.
There are a few other things to try here: 'Shift' + Invert creates a mirror image of your
sequence: the last notes become first, and vice versa. Press 'Shift' + Invert once more to
restore the previous note order.
But it does not stop here: you can shift the entire looping sequence one step to the left or
right. To shift to the right, hold 'Shift' and press Nudge> (step button 4). The first note in the
loop will move to second position; the last note will wrap around to first position.
You can make adjustments to the tempo in quantized 1 BPM increments by turning the
Tempo knob. If you need to make finer adjustments, hold 'Shift' while turning the Tempo
knob : this will increment and decrement the tempo in 0.01 steps.
Arturia - User Manual Keystep Pro - Basic Operations 17
3.2.1. Making global changes to the sequence
At this point, you can also make quick global edits to the sequence you've recorded.
Holding 'Shift' and turning one of the five encoders will apply a relative offset to all steps
contained in the sequence for a parameter. The offset can be positive or negative. If for
example you Hold 'Shift' and turn the Velocity encoder to the right, the value you dial in will
be added to the velocity value of all the steps in the sequence. Turning the encoder to the left
will subtract values. The KeyStep Pro will display the amount of added/subtracted velocity.
Global offset has no effect on the pitches in the drum track, but it will affect Gate, Velocity,
Time Shift and Randomness.
3.2.2. Time Division
There's another row of blue shift modifiers printed above the keys of the keyboard. In the
center, right above the 'middle C' key, you'll find a series of time-division options, ranging
from 1/4 to 1/32. To change the current time division, hold 'Shift' and press the appropriate
key on the keyboard. This changes the rhythm of the sequence relative to the tempo: quarter
notes (one step per beat), eighth notes (two steps per beat), and so on. Triplet values are
also an option (1/4T, 1/8T, etc.); if you're already in 1/8 and press 'Shift' + Triplet, you'll get into
1/8 triplet mode.
There's a lot of potential for creative fun here. In we'll show you how to copyChapter 5 [p.121]
the pattern of one sequence to another sequence. Imagine starting with a simple pattern,
copying it to the three other sequencers, modifying those copies with Invert, Nudge and
Transpose, then running them simultaneously with the first sequence. You get the idea ...
18 Arturia - User Manual Keystep Pro - Basic Operations
3.4. Scales & Chords
Some of the most interesting features of the KeyStep Pro are its scale and chord options,
which we'll cover in more detail in . But to get an idea of the impact theyChapter 5 [p.108]
have on your sequences and arpeggios, try this neat trick while your sequence or arpeggio
is running.
Let's try this in Track 2:
• Activate Track 2 by pressing its button
• Hold 'Shift' + (Scale)-minor. The Scale selectors are located just above the
keyboard. For example, you activate the minor scale with 'Shift' + C4 (the third 'C'
from the left). Try some of the other Scale selectors to hear the different types of
scales.
Chord mode is equally fascinating:
• Stop everything that's playing by pressing the 'Stop' button
• Hold 'Shift' + Tie/Rest (Chord) and play a chord
• Release all the keys of the chord
• Let go of the 'Shift' + Chord buttons
• Play any key on the keyboard to hear the chord you entered.
For example, if you have the minor scale selected, any key you play on the keyboard
generates a minor chord. Then if you activate the arpeggiator and hold down a few notes,
you'll hear an arpeggiated minor chord!
3.5. Creating Splits
You could have an arpeggio play on the lower part of the keyboard and a sequence on the
upper part. This is done by creating a keyboard split.
• Hold down the two track buttons of the tracks that you want to be part of the
split. The track button you press first will be assigned to the upper part of the
keyboard, the other one to the lower part. For example, if you want the sequence
on Track 1 to play in the upper part, you need to press the Track 1 button first.
• While holding down both track buttons, press an appropriate key on the
keyboard to select the split point.
♪: If you want to verify where the split point is, press the same two track buttons simultaneously. The
KeyStep Pro will display the ranges in the color of the tracks that are part of the split. Press the same
two track buttons again to deactivate the split.
We'll cover all these features in more depth in .Chapter 6 [p.115]
20 Arturia - User Manual Keystep Pro - Basic Operations
4. KEYSTEP PRO OVERVIEW
In this chapter we'll guide you through the front and back panels and explain the functions
of all the knobs and connections on these panels. If you're eager to start exploring your
KeyStep Pro and want to dive right in, continue to , where you can learn howChapter 5 [p.63]
to use the sequencers and the arpeggiators. This chapter is mainly for reference; you can
return here if you need to know more about a specific function, knob, strip, connection or
menu.
4.1. Making the Connections
There are countless ways to connect the KeyStep Pro with your music-making gear. It's
impossible to cover every scenario in this guide, but here are some typical setups:
4.1.1. ... with a Computer
The KeyStep Pro is a USB class-compliant controller, so at its most basic level it can be
connected to any computer with a USB port, through which it receives its DC power supply,
and can be used as an input device for various applications. The downloadable MIDI Control
Center software lets you choose which MIDI messages will be sent by the mod strip and
also enables you to specify global KeyStep Pro parameters.
However, the KeyStep Pro can also be used in standalone mode without a computer
connected! In this case, simply use the provided 12V DC power supply adaptor.
WARNING!: Although the KeyStep Pro might seem to work OK when you power it up with a
power bank, we strongly advise you NOT to power it this way. The KeyStep Pro needs a lot
of current for its LEDs and analog output. Using a defective or partially charged power bank
could damage the KeyStep Pro.
CV Gate outputs
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 21
4.1.4. Analog Connections (CV and Gate)
KeyStep Pro can send control voltages (CV) to modular synthesizers and other non-MIDI
devices through its four sets of Pitch, Velo/Mod and Gate connectors on the back panel. Each
of the KeyStep Pro's four tracks has its own dedicated set of connectors, allowing you to
connect and control as many as four devices at the same time!
4.1.4.1. Control Voltages: Pitch, Velo/Mod and Gate
When the sequencers are running or you play a single note or multiple notes on the
keyboard, each note is translated immediately into Pitch, Control Voltage (Velocity or
Modulation) and Gate signals and sent to the four Voice outputs on the back panel. When
you play the keyboard or the sequencers in polyphonic mode, the KeyStep Pro's CV routing
options let you define how the signals from the four voices will be distributed.
For each note, three independent voltages are sent: Pitch, Velo/Mod and Gate. The Velo/Mod
voltage can be either velocity or modulation, depending on what you have selected in the
Utility section or in the MIDI Control Center.
Some analog synthesizers have unusual implementations that are not fully compatible with
the KeyStep Pro's CV and Gate signals. Before purchasing an analog synth, please refer to
its manufacturer's specifications to ensure that the two devices will work together well.
We've designed the KeyStep Pro to be as flexible as possible. The downloadable MIDI
Control Center [p.155], which you can install on your computer, allows you to configure the
response of the CV/Gate jacks in a number of ways. Please refer to the manufacturer's
documentation of your external devices for information about which standards they use.
By default, the transmitted pitch voltage is compatible with the 1.0 V per octave standard,
which means that if you play an octave interval on the KeyStep Pro keyboard, the connected
synth(s) or Eurorack module(s) should also play an octave interval. In other words, the 'pitch
tracking' is correct. However, some synths use a 1.2 V per octave or a Hertz per Volt (Hz/V)
standard. To control these devices, you can change the corresponding setting in the MIDI
Control Center.
For each of the KeyStep Pro's four tracks, the Pitch control voltage (CV) can be set separately
in Utility>CV>Track (1-4) to:
• 1.0 Volt/Octave (0-10V)
• 1.2 Volt/Octave
• Hertz per Volt
Gate signals can also have quite different output ranges (S-Trig, V-Trig 5V or V-Trig 10V).
These too can be set up in the MIDI Control Center.
The four Voice outputs can be set to transmit either velocity or aftertouch modulation. You
can change this in Utility > CV Settings.
CV Gate outputs
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 23
4.1.5. MIDI Connections
Much of the 'mid-vintage' music hardware from the 1980s and 1990s had MIDI DIN jacks
but not CV/Gate connectors or USB ports. KeyStep Pro can be plugged directly into such
devices, letting you control them using its powerful sequencers, arpeggiators and other
controls (keys, knobs, touch strips, etc.).
4.1.5.1. Connecting to a DAW
The KeyStep Pro is an ideal controller for your DAW because you can use its four Voice
outputs to simultaneously control separate instruments loaded on four tracks of your DAW.
Below, we give an example of how to set up Ableton if you want to control instruments via
four MIDI channels.
Connect the KeyStep Pro to a USB port on your computer using the supplied USB host cable.
We first have to 'tell' Ableton that we want to use the KeyStep Pro as a controller in Ableton:
• Open 'Preferences' in the 'Live' menu.
• Select 'Link/MIDI'.
If you want the KeyStep Pro to be slaved to your session:
• In the MIDI ports section:
◦Enable "Track" for the input, which enables the MIDI from the KeyStep
Pro to be received by Live.
◦Enable "Remote" for the input, which will allow the mapping of the
control sequencer's encoders via MIDI learn.
◦Enable "Sync" for the output, for Live to send clock information to your
KeyStep Pro.
Finally, make sure that the KeyStep Pro is set to Auto or USB sync source. This will define
the source of the synchronization of the KeyStep and can be edited from the Utility > Sync >
Source menu.
The KeyStep Pro will then start when launching the playback in Live.
If you want the KeyStep Pro to be the master of the session:
• In the MIDI ports section :
◦Enable "Track" as well as "Sync" and "Remote" on the input.
24 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
• Be sure to enable the external sync next to the BPM display of your session:
From there, pressing play on the KeyStep Pro will launch playback in Live.
We're done; Ableton is now able to correctly interpret the MIDI control signals arriving from
the KeyStep Pro and we're now ready to make some noise!
• Open Ableton and select 'New Live set' to create an empty set.
• Delete the two default audio tracks by selecting them and clicking 'delete' in the
'Edit' menu.
• Select 'Insert MIDI track' from the 'Create' menu and repeat this one more time to
create two empty MIDI tracks. As an alternative, you can right-click in the empty
track space and insert two MIDI tracks.
• Drag a sound from Category > Sounds to Track 1. Repeat this for Tracks 2 to 4.
You should now have four MIDI tracks, each with its own virtual instrument loaded. There's
nothing to hear yet because we haven't made the connection from the KeyStep Pro to
Ableton. Let's do that now:
• Focus on Ableton track 1 and click on the downward arrow in the 'All ins'
dropdown menu listed below 'MIDI From'.
• Select KeyStep Pro from the listed options.
• Select channel 1 if it is not already selected.
• In the monitor menu directly below, select 'In'.
We've now instructed Ableton to listen to what's happening on MIDI channel 1. If your
KeyStep Pro is in its default state, Track 1 will transmit on MIDI channel 1.
Select Track 1 on the KeyStep Pro and play a note on the keyboard. You should now hear the
virtual instrument you dragged to Ableton track 1.
We'll repeat these steps for Ableton track 2:
• Again select KeyStep Pro as the MIDI source.
• Select MIDI channel 2 as the channel that this track should listen to and play
back.
• Select 'In' to monitor directly what is coming in on this channel.
Repeat this for KeyStep Pro Tracks 3 and 4 and select MIDI channel 3 as the input for
Ableton track 3 and MIDI channel 4 as the input for Ableton track 4.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 25
4.1.7. Master or Slave
KeyStep Pro can be the clock master for an entire MIDI rig, or it can just as happily serve
as a slave to other clock sources. Clock In and Clock Out can synchronize with older clock
types such as 2, 24 or 48 ppqn (pulses per quarter note), or even a single pulse per step.
Whether the KeyStep Pro will send or receive MIDI Clock signals and send or receive
Transport Signals (Start-Stop-Continue) will depend on the corresponding settings in Utility >
MIDI Settings.
♪: While the unit is playing a sequence, the Sync settings cannot be changed.
4.1.7.1. KeyStep Pro as Master
To use the KeyStep Pro as clock master, Utility > MIDI Setting > Clock send must be set to
On. This is the default setting.
You can set the Master sync options in Utility > Sync > Output. To access the utility menu,
hold down 'Shift' and press the Project button.
Sync Setting Description
Output 1 PP16, 2 PPQ8, 1 PPQ, 1PP2Q, 1 PPQ4Q, Korg,
24PPQ, 48PPQ
Allows KeyStep Pro to sync with various
clock types
In this menu, you select how the KeyStep Pro will control the tempo of external modules or
synths:
• The transport section will control the internal sequencers
• MIDI clock messages are sent to MIDI Out 1, MIDI Out 2, USB Out and Clock Out
• The sequence tempo can be set using the Tempo encoder and the Tap Tempo/
Metronome button.
30 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.1.7.2. KeyStep Pro as Slave
The KeyStep Pro can function as a slave to an external clock source. To use the KeyStep Pro
as a slave, Utility > MIDI Setting > Clock receive must be set to On. This is the default setting.
You can set the Slave sync options in Utility > Sync > Input. To access the utility menu, hold
down 'Shift' and press the Project button.
Sync Setting Description
Input Internal, USB, MIDI, 1 PP16, 2 PPQ, 24PPQ, 48PPQ, Auto Defines tempo source of KeyStep Pro
In this menu, you select how the KeyStep Pro will follow the tempo of external modules or
synths.
When the KeyStep Pro is in Slave mode:
• The Tempo controls will not control the internal sequencer while the external
clock source is running.
• The KeyStep Pro transport section will perform as usual: you can stop, start and
pause the internal sequences, and you can record patterns.
• When the external clock source is not running, the KeyStep Pro will function
according to its internal clock at the last set tempo.
• The KeyStep Pro will pass the synchronization messages it receives from the
external clock source to USB Out, MIDI Out 1, MIDI Out 2 and Clock Out.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 31
4.2. Front Panel Overview
1. Tempo Section
2. Control Section
3. Track Sections (4x)
4. Scene/Chain/Pattern Buttons
5. Main encoders (5x)
6. Sequence Length Section
7. 'Shift' button
8. Transport Controls
9. Step Buttons
10. Keyboard Transpose Section
11. Built-in Metronome Speaker
12. Keyboard LEDs and Shift functions
13. Pitch / Mod touch strips
14. Keyboard and Sequencer buttons
15. Looper
16. Keyboard
4.2.1. Tempo Section
Here you can find the tempo-related controls of KeyStep Pro. When KeyStep Pro is internally
synchronized, your settings here will affect the internal sequencers/arpeggiators and any
external equipment connected to KeyStep Pro.
32 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.2. Transport Section
The three Transport buttons control the sequencers, the arpeggiators and any external MIDI
devices by using MIDI Machine Control (MMC). If your DAW does not respond to MMC
commands, the Transport buttons can be configured to send other MIDI messages. Please
refer to the to make changes if needed.MIDI Control Center [p.155]
♪: In sequencer mode, all three Transport buttons are active. In arpeggiator mode, only Play/Pause
and Stop are active.
All Notes Off
The Stop button has an additional function. If for some reason you end up with a stuck note
playing, just press the Stop button quickly three times in a row. The KeyStep Pro will then
send an All Notes Off command via MIDI.
4.2.3. Built-in Metronome Speaker
The Metronome speaker plays the output of KeyStep Pro's built-in metronome. The
Metronome Level knob on the back panel sets the speaker volume. The metronome can be
switched on or off by holding down 'Shift' while pressing the Tap Tempo button.
Read to learn more about the Metronome and synchronization in general.Chapter 7 [p.132]
4.2.4. Shift Button
The 'Shift' button gives access to secondary functions, all of which are printed in blue on
the front panel. Most of them are printed above the keys of the keyboard or below the step
buttons.
All of these functions are accessed by holding down the 'Shift' button and pressing another
button that has blue text below it or a key of the keyboard that has blue text above it. For
a detailed overview of the Shift functions, refer to the Shift function overview later in this
chapter.
34 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.5. Control Section
In the control section, you'll find Project options, Pattern edit options and the Utility menu.
4.2.5.1. Utility Menu
The KeyStep Pro has many settings that you may want to adjust. The Utility menu is where
you set and change most of the global settings for the KeyStep Pro. 'Global' means that these
settings are shared by all projects. They will be saved as soon as you exit the Utility menu,
which you access by holding down 'Shift' and pressing the Project/Utility button. The Utility
menu will open in the OLED display. To navigate in the Utility menu turn the Control section
encoder and click it to enter a submenu. To back up in a submenu press the Exit button. To
leave the Utility menu, press the Exit button repeatedly. You don't have to save the changes
you make here; they are automatically saved whenever you exit the Utility menu.
4.2.5.2. Exit/Undo
Undo is a Shift function closely related to the other edit functions such as copy/paste and
erase. If you make a mistake during editing, it's good to know that you can undo the last
change you made. If undo is possible, the Exit/Undo button blinks. Pressing 'Shift' + Exit will
undo the mistake.
4.2.5.3. Project Button
KeyStep Pro sequences are organized into Projects. In a Project, you save all your sequence
and drum patterns. Each of the four tracks can store 16 sequences, which can be copied
from one track to another. The Erase button enables you to delete entire projects (as well as
patterns, scenes, steps and notes). The patterns in a project can be chained. This is a handy
feature that will help you to prepare for a performance. Please refer to forChapter 6 [p.115]
an in-depth overview of these functions.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 35
4.2.5.4. Control Mode
The Control button changes the function of the five main encoders. Instead of controlling
pitch, gate, velocity, etc. and the corresponding control voltages (CV) sent to the analog
outputs, in Control Mode they send MIDI control change (CC#) messages, enabling you to
control parameters of external hardware synths or Eurorack modules and, for example,
virtual instruments on your computer.
You enter Control Mode by pressing the Control button. When Control Mode is selected, the
five main encoders send CC# values. For an in-depth explanation of what CC# values are
and what you can use them for, please refer to . The CC# messages to beChapter 8 [p.137]
sent can be edited using the OLED display in Utility>Controller and in the downloadable MIDI
Control Center.
4.2.6. Track Sections (4x)
The KeyStep Pro has four separate tracks, each of which has its own dedicated set of
buttons to give you instant control over important features.
The track controls are identical except for one button: Track 1 has a Drum button for the
drum sequencer, but Tracks 2, 3 and 4 each have an Arp button for the arpeggiators. The
track controls function as follows:
4.2.6.1. Track Selector
The Track Selector buttons (Track 1, Track 2, Track 3 or Track 4) let you select the currently
active track. The buttons of the active track light up, and the various controls of the KeyStep
Pro (keyboard, encoder knobs, step buttons, etc.) will only affect the currently selected track.
As you work with the KeyStep Pro, you will notice that there is a consistent color-coding
across the entire front panel. For example, Track 1 is green and when it is selected, all of the
Step Buttons and Keyboard LEDs will light up in green. Track 2 is orange and selecting it will
cause the Step Buttons and Keyboard LEDs to light up in orange. These color cues help you
to know what you are editing and to avoid accidentally changing parameters on the wrong
track.
36 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.6.2. Mute Button
The Mute button engages or disengages the track mute function. When this button is
illuminated, its associated track is muted and does not transmit any data. In other words,
devices connected via MIDI, CV or USB will not receive any signals when mute is engaged.
Holding down 'Shift' while pressing the Mute button will engage or disengage Solo mode.
This feature is similar to the 'solo' button found on many mixing boards. When Solo mode is
engaged, the Mute button lights up in blue and you will
only
hear the soloed track (or tracks).
Note that the Mute button will only mute the sequences and arpeggios that are running,
possibly including a drum sequence on Track 1. You can still have a muted channel active
and play its sounds on the keyboard.
♪: The Mute and Solo functions can be useful in both composing and performing contexts. For
example, while composing or mixing you may need to solo a certain track to focus on it without
distraction; in a performance context, you may want to mute and unmute sections to build up or
breakdown a song.
4.2.6.3. Note LED
This LED lights up whenever a track's sequencer or arpeggiator is playing and/or whenever
you are playing notes on the keyboard. This handy feature instantly lets you know what is
happening on all four of your tracks without you having to select a track and look at its Step
Buttons or Keyboard LEDs.
4.2.6.4. Sequencer and Arpeggiator Buttons
The KeyStep Pro has four tracks, each with its own independent sequencer or arpeggiator.
Sequencer Arpeggiator Drum trigger (gates) sequencer
Track 1 Yes No Yes
Track 2 Yes Yes No
Track 3 Yes Yes No
Track 4 Yes Yes No
Each track has a pair of buttons labelled Seq and Arp (or Seq and Drum on Track 1). These
buttons let you set the functions for their associated track. The currently selected option is lit
up, and only one mode (Seq or Arp) can be active at any time.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 37
4.2.6.5. Sequencer
The Sequencer lets you record 16 different sequences, each with up to 64 steps. You can
create these sequences by playing them on the keyboard or by entering note events directly
(complete with pitch, gate length, velocity and other parameters) using the Step buttons.
These sequences can then be played, transposed and modified in many creative ways.
The Sequencer is covered in detail in Chapter 5 [p.74] of this guide.
4.2.6.6. Arpeggiator
The arpeggiator generates notes based on the keys of the keyboard that you have pressed
or are now pressing and plays them back according to the Arp Mode setting. This is a fun
and interesting way to create new patterns and melodies or to improvise on existing chords.
The Arpeggiator is covered in detail in of this guide.Chapter 5 [p.63]
4.2.6.7. Drum Trigger Sequencer
This is a special drum or 'trigger' sequencer that sends signals to the Drum Gates outputs
on the back panel of the KeyStep Pro. The Drum sequencer has eight gate outputs (labelled
'Drum Gates 1-8'). You can use these outputs to trigger connected drum machines or
synthesizer modules with gate (or 'trigger') signals.
The Drum Gate sequencer is covered in detail in of this guide.Chapter 5 [p.92]
38 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.7. Arrangement Section
Patterns are the basic elements for creating chains. A chain is a pre-programmed series of
patterns that you construct for a performance; it is an automated way of selecting patterns.
♪: A pattern chain can contain up to 16 patterns.
Scenes are snapshots of an interesting combination of active elements: for example, an
arpeggio running on Track 1 plus sequences running on Tracks 2 and 3 with nudged and/or
inverted patterns.
♪:Track mode (Sequence or Arpeggio) is not saved in a Scene.
Please refer to for detailed information on patterns, chains and scenes.Chapter 6 [p.125]
4.2.8. The Step Edit Button
The Step Edit button enables you to edit an individual step of a sequence. By pressing the
Step Edit button you active Step Edit mode.
In Step Edit mode you can use the five main encoders to edit the Pitch, Gate, Velocity, Time
Shift and/or Randomness of the note or notes in the active step. There's much to discover
and learn about how this seemingly simple button works. Please refer to forChapter 5 [p.83]
details.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 39
4.2.9. Step Buttons
These 16 buttons let you activate or deactivate steps in a sequence and program specific
steps. They provide visual feedback (active steps light up in the color of the selected track)
and an indication of the currently playing step (which is lit up in white). This is an intuitive
way of programming steps that will be very familiar to anyone who has worked with an
old-school drum machine.
On the KeyStep Pro, these 16 Step buttons can do many other things that just active or
deactivate steps. For example, holding down the Lst Step (Last Step) button while pressing
one of the Step buttons lets you set the sequence's length. Holding down the 'Shift' button
lets you do several different things, including clearing patterns, nudging notes backward or
forward and quantizing sequences. These functions are covered in detail in Chapter 5 [p.63]
of this guide.
One of the most distinctive features of these Step buttons is that they are color-coded to
match the track that is currently selected. So when Track 1 is active, the Step buttons light
up in green; for Track 2, they become orange, and so on. This color-coding is consistently
followed across the entire front panel and lets you know what track you are currently editing
in the KeyStep Pro.
40 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.10. The Main Encoders (5x)
The five main encoders (above Step buttons 2 to 10) are key to changing the parameters
of your patterns. They are somewhat different to standard encoders. Turn them slowly
and you'll notice that they have a slight 'detent': you'll feel a small click or series of clicks
whenever you move one.
Each of the five main encoders is surrounded by 15 red LEDs, each of which has eight levels
of brightness from dim red to bright red. If we take the Gate encoder as an example: first
turn it all the way counterclockwise, then turn it slowly to the right. The LED in the first
position will slowly increase in brightness and after eight clicks the second LED will light up
dimly and the dim-to-bright cycle will repeat. All in all, this gives you 128 distinct positions
for each of these encoders!
♪: The encoders are touch-sensitive: the moment you touch them, their current value will be
displayed in the OLED screen.
4.2.10.1. The Pitch Encoder
In Step Edit mode, the Pitch encoder will step through the pitches chromatically or, if you
have selected a scale by holding down the 'Shift' button and pressing the appropriate Scale
key, it will only step through the notes that belong to the scale you've selected.
4.2.10.2. The Gate Encoder
In Step Edit mode the Gate encoder enables you to set the gate length of the selected step.
Simply stated, the gate length is the ON time or duration of a note. It's a great feature:
imagine how a fast 12-step piano sequence sounds when steps 3, 6, 9 and 11 are sustained,
while the other steps are all short. This is something that only a very skilled pianist can
accomplish. In Arpeggio (Arp) mode, the Gate encoder functions as a global encoder that
simultaneously affects all gates in the currently activated arpeggio.
4.2.10.3. The Velocity Encoder
Velocity means the strength or force with which you hit a key. In the MIDI specification,
velocity values range from 0-127, where notes with a velocity of 0 to 50 or so are soft,
velocities of about 50 to 100 are medium, and a velocity above 100 is loud. In Utility>MIDI
Settings>Velocity Curve and the downloadable MIDI Control Center you can choose a
suitable velocity scaling.
In Arpeggio (Arp) mode, the Velocity encoder functions as a global encoder that
simultaneously affects all velocities in your arpeggio.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 41
4.2.11. Keyboard Section
In this sub-section, we'll have a look at everything to the left of and directly above the
keyboard; the lower half of the KeyStep Pro. The Keyboard has 37 velocity-sensitive keys
that generate aftertouch signals. 'Velocity-sensitive' means that each key detects the force/
speed with which you press it. The magnitude of aftertouch depends on how hard you press
a key down after it has reached the bottom of its travel.
4.2.11.1. Pitchbend / Mod Touch Strips
These innovative touch-sensitive vertical strips replace the standard 'wheels' you usually
find on a MIDI controller and are used to add expressivity to your performance. Each strip
has a corresponding ladder of nine red LEDS to indicate the position of the control. Like
most traditional wheel controllers, the Pitch touch strip is 'spring-loaded', meaning that it
immediately returns to its center value when released, whereas the Mod touch strip retains
its current value when released.
♪: The KeyStep Pro will remember the last position of the Mod strip of the currently selected track
when you switch to another track. In a sense, you therefore have four modulation strips, one for each
track!
The Pitchbend Strip
Pitch-bending is a technique whereby you bend the pitch of the currently playing note
upward or downward.
The Pitchbend strip is where you perform all your pitch-bending tricks. The middle of the
strip, indicated by a horizontal black stripe, is the neutral point; if you touch the strip there
nothing will happen. If you move your finger up (away from you) or down (toward you), you
will hear the pitch of the currently playing note go up and down. So far it's not much different
to bending with a wheel. Unlike a wheel, however, you can place your finger directly on any
other point of the strip. The pitch will then jump instantly to that value!
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 43
!: To the left of the Pitchbend strip you'll see nine red LEDs. They will help you to create more accurate
pitchbends.
By default, the bend range is set to 2 semitones (half steps): 2 from the center up and 2 from
the center down. In Utility>CV Settings>Pitch Bend Range, you can set the range for the Pitch
CV outs from +/-1 to +/- 24 semitones. The Bend range can be set individually for each voice.
Tapping the Pitchbend strip at two different points in succession enables you to alternate
quickly between two pitches. This playing technique is only possible on pitchbend strips and
makes a pitch wheel look primitive! Whenever you lift your finger off the strip, the pitch
will jump back to the zero center value. Another advantage of this strip is that it is ideal for
applying natural-sounding vibrato to a note by wiggling your finger on the strip.
!: Musical traditions other than western classical music have much richer expressive possibilities
when it comes to pitch-bending. Try listening to some Indian music. Maybe you'll come to appreciate the
complex and very musical pitch-bending techniques used by singers and by performers on instruments
like the sarod and the sitar.
The Mod Strip
This innovative modulation control takes the place of the standard mod wheel. It transmits
the standard MIDI CC# modulation value. To learn more about CC# values, please refer to
Chapter 8 [p.137].
4.2.11.2. The Octave Buttons
Use the Octave arrow buttons (above the touch strips) to transpose the output of the
keyboard up or down by octaves. The range is two octaves up and three octaves down from
the default mid-point.
Knowing this can help you to remember where you are pitch-wise on a poorly-lit stage. The
keyboard itself is three octaves but the whole pitch range is seven octaves, which should
facilitate all but the most extreme musical adventures.
♪: To quickly reset the octave to the default mid-point, hold down both Octave arrow buttons
simultaneously.
You can also use the Octave Buttons to reset the KeyStep Pro to its factory settings:
• Switch the KeyStep Pro off
• Switch the KeyStep Pro on while holding the OCT+ and OCT- buttons.
44 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
4.2.11.3. The Hold Button
The Hold button has an important function when an arpeggio is playing. When Hold is active
you can lift your fingers from the keyboard and the arpeggio will continue to play. Hold also
enables you to add more notes (up to 16) to an arpeggio while it is running.
4.2.11.4. The Trans (Transpose) Button
The Transpose function lets you shift up or shift down the pitch of running sequences/
patterns and arpeggios. To transpose, hold down the Trans button and play a note on the
keyboard. Notes below middle C will cause a downward transposition; notes above middle
C will cause an upward transposition.
4.2.11.5. The Tie/Rest/Chord Button
When creating a sequence, this button is used to enter rests or to tie two notes together.
However, when in Step Edit mode, if you press Tie/Rest the current step will be cleared. If
the sequencer is running in Step Edit mode, holding down Tie/Rest is a quick way to clear
the contents of a series of steps.
If you need to shorten a Tie, activate Step Edit mode, select the step where the Tie starts and
reduce the gate length of the step using the gate knob.
♪: Holding down 'Shift' while pressing the Tie/Rest/Chord button switches Chord mode on or off. This
is covered in .Chapter 5 [p.111]
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 45
4.2.12. The Looper
The horizontal Looper Touch Strip (under the Pitchbend and Mod vertical touch strips)
enables you to alter the playback of a Project in real-time. It will generate longer or shorter
loops depending on where you touch the Looper Touch Strip and when you do it.
The Looper loops all tracks simultaneously. This includes CC# values that you may have
stored in the Control track.
Press 'Shift' + Touch Strip to disable/enable the Touch Strip.
4.2.12.1. Loop Length
The length of the loop is determined by where you place your finger on the Looper Touch
Strip, 1/4 being the longest loop and 1/32 being the shortest. Changing the placement of your
finger changes the size of the loop.
4.2.12.2. Loop Start Point
The start point of the loop depends on when you touch the Looper strip during playback. You
can jump to a different loop position by holding your finger on the strip and then pressing
one of the Step buttons. With the Looper, you can loop a range of steps in a sequence. The
length of the loop is determined by the indentation you press: 1/4, 1/8, 1/16 or 1/32.
♪: It may not seem such a big deal that the looper strip can be controlled using CC# values, but this
is worth exploring. By sending different CC# 9 values to the KeyStep Pro, you can 'scratch' a sequence
remotely from your DAW.
Can you change the rate of repeat of the Looper strip?
To a certain extent, yes. If you're in time division 1/16 and press 1/4, the sequencer will repeat
four steps. If you want to double this repeat range, set time division to a higher value i.e. 1/
32 and lower the tempo. The KeyStep Pro will now repeat 8 steps instead of 4 when you
press 1/4 on the strip.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 47
4.2.14. SHIFT Functions
Many of the KeyStep Pro's most interesting functions can be accessed with the 'Shift' button.
It's the leftmost button on the front panel and it's black. The blue 'Shift' text reveals its crafty
secret: it is linked to all KeyStep Pro functions that are printed in blue on the front panel.
Take a good look and you'll find many of them: in the Transport section, to the left of the
keyboard, above the keys of the keyboard (except the highest C), below the 16 step buttons,
and in the Sequence Extend section. That's 63 Shift functions in total!
4.2.14.1. Keyboard Shift Functions
The 'Shift' button has a very helpful feature: if you hold it down, the currently active keyboard
Shift functions will be displayed by lit-up LEDS. From left to right above the keyboard these
are:
• Seq Pattern mode
• Seq/Drum mode (Mono or Poly)
• Arp Pattern and Arp Octave
• Time Division
• Scale
• CV routing
The HOLD/Clear Button
The HOLD/Clear button enables you to hold arpeggios, so that they continue to play until
you release it. You can hold arpeggios on several tracks simultaneously. 'Shift' + HOLD/Clear
will release all currently held arpeggios.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 49
In Drum mode, switching between Mono and Poly has a different effect. In Poly mode, each
of the 24 drum tracks can have a different length. In Mono mode, they share the same
length. Please refer to for details.Chapter 5 [p.92]
Arp (Arpeggio) Pattern
To activate this Shift function, hold down the 'Shift' button and press the appropriate key (F,
F#, G, G#, A, Bb or B in the lower octave).
The KeyStep Pro can transform any chord you are holding down on the keyboard into
an arpeggio. It can arpeggiate your chord in seven ways: up, down, exclusive pendulum,
inclusive pendulum, random, in the order you played them or polyphonically.
There's a lot to be learned about this function, so we have devoted a whole section
[p.63] to the wondrous secrets of arpeggiation and specifically to the KeyStep Pro's unique
arpeggiation features.
Arp Octave
To activate this Shift function, hold down the 'Shift' button and press the appropriate key (C,
C#, D, D# or E in the middle octave).
By default, the arpeggiator will play the notes you are holding down and stay within the
limits of one octave. The Arp Octave -1, 0, +1, +2 and +3 buttons will extend the notes beyond
that range. If you change the octave range, the arpeggiator will also play notes in the
octaves above and below the chord you are playing. Press 'Shift' + an Arp Octave key to
change the range.
Time Division
To activate this Shift function, hold down the 'Shift' button and press the appropriate key (F,
F#, G, G# or A in the middle octave).
Time Division can be applied to both the arpeggiators and the sequencers. Much of the fun
of arpeggios is that they can run at various speeds. If you mix them with sequences and
change speed, it will have a great overall effect. The KeyStep Pro features three arpeggiators
that can run simultaneously and at different speeds!
By default, an arpeggiator will run in 1/16th straight-note speed, but there are four straight-
note speeds to choose from: 1/4, 1/8, 1/16 and 1/32. Each of these speeds can also run in
triplet mode, so alltogether there are eight speed options. You can have one arpeggiator
running in 1/16th straight-note speed and another in 1/8th triplets speed. There are lots of
creative options to explore here!
The sequencers (including the drum sequencer) can also run at these different speeds. You
could, for example, run copies of the same pattern in different tracks at different speeds.
There's unlimited potential for discoveries here.
Each pattern can have its own time division, which is stored with the pattern. This allows
you to create chains of the same pattern in different time divisions.
52 Arturia - User Manual Keystep Pro - KeyStep Pro Overview
♪: When you change to another pattern while in Arp mode, the time division will not change.
Scale
To activate this Shift function, hold down the 'Shift' button and press the appropriate key
(from Bb in the middle octave to G in the upper octave).
This Shift function enables you to change the scale of an arpeggio or a sequence on the
fly. You can choose from six different scales (major, minor, dorian, mixolydian, harmonic
minor or blues). When you select a scale by pressing 'Shift' + a Scale key, everything in the
currently selected track ‒ the notes you are playing on the KeyStep Pro's keyboard, the active
track's sequence and the active track's arpeggio ‒ will play in that scale. This is a pattern
setting that is stored with the pattern when you save it.
The KeyStep Pro comes with six predefined scales, but you can also create your own
custom scale and store it as User 1 or User 2. Please refer to for additionalChapter 5 [p.108]
information.
Scale Root & User Scales
Holding down 'Shift' and pressing the Root key (F in the upper octave) gives you the option
to select another root note for the currently playing sequence.
Holding down 'Shift' and pressing the User 1 or the User 2 key (F# or G in the upper octave)
enables you to store pre-defined scale roots.
For the major, minor, dorian, mixolydian, harmonic minor and blues scales, you can select
a new root note by holding down 'Shift' and pressing the Root key then selecting a new root
in the lower octave of the keyboard. Pressing a key in the lower octave will update the Root
note. This can be repeated multiple times while holding down the Root key. The currently
active root note will be shown by its LED being lit up in blue.
Please refer to for an in-depth explanation of root notes and user scales.Chapter 5 [p.108]
CV Routing
To activate this Shift function, hold down the 'Shift' button and press the appropriate key (G#,
A, Bb or B in the upper octave).
All sequencers and arpeggiators can send their output signals to the four Voice outputs on
the KeyStep Pro's back panel. By default, the output of Track 1 will be sent to Voice 1, the
output of Track 2 to Voice 2, etc. There may be situations where you want more control
of the tracks' routings. That's what CV routing is all about. For example, you can route the
output of Track 1 to all four Voice outputs, or you can route the output of Track 1 to Voices 1
and 2 and the output of Track 2 to Voices 3 and 4.
For each track, you can define any combination of voices. If a voice is already used by
another track, it will be dimly lit. If it is already active for the current track it will be brightly
lit. If you select a voice that is already being used by another track, you will overwrite the
previously assigned voice. When Track 1 is in Drum mode, CV outputs that were assigned to
Track 1 will be freed up.
CV routing is an important skill to master when you with youruse a modular system [p.167]
KeyStep Pro.
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 53
4.3.3. Clock Section
These three jacks (In, Out, Reset Out) allow you to interface with modular synthesizers
and pre-MIDI technology that was capable of clock synchronization (such as early drum
machines produced by Korg and Roland).
The KeyStep Pro is capable of both sending and receiving synchronization signals. It also
has a Reset Out, allowing external sequencers with a reset input to re-start from the
beginning of a sequence whenever a KeyStep Pro sequence is restarted.
Please see for information about clocking and synchronization.Chapter 7 [p.132]
Arturia - User Manual Keystep Pro - KeyStep Pro Overview 59
Produktspecifikationer
| Varumärke: | Arturia |
| Kategori: | Midi-keyboard |
| Modell: | Keystep Pro |
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