Rane NM 84 Bruksanvisning


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Manual-1
OPERATORS MANU AL NM 84
NETWORK PREAMPLIFIER
WEAR PARTS:
This product contains no wear parts.
CobraNet is a trademark of Peak Audio, Inc.
Quick Start
Why is it that the hardest thing about writing the Quick Start is the opening line? What I want to say is, First, design the
network. Only thats hard to say with a straight face but if you are going to jump right into this thing without reading all of
our hard work, then thats where you begin. By designing a network. Okay, that works...lets move on.
A dedicated network for CobraNet audio is recommended, but not required when using switched networks. The NM 84s
CobraNet technology utilizes standard 100Base-T Ethernet hardware. For CobraNet and network design assistance and a list of
other CobraNet licensed and tested devices, visit
www.peakaudio.com/cobranet
. Also see Ranes ethernet link collection:
www.rane.com/ethernet.htm
.
Rear Panel:
Connect up to 8 mic or line-level analog audio signals to the
MIC INPUT
XLR jacks. The 8
DIRECT
OUTPUTS
spew an analog, line-level version of the corresponding 8
MIC INPUTS
audio. Each of the four
MONITOR
OUTPUTS
can independently receive any of the 8 Local Mic Input audio channels or any single Audio Channel from any
CobraNet Bundle from 1 through 999, plus off/none. Connect the network cable to the
100Base-T
RJ-45 jack. I bet you could
guess to use the
RS-232
jack to transport RS-232 data over the network to other NM RS-232 device ports? Connect contact
closures to the
Memory Recall Port (MRP)
to recall Memories on this device or any other NM device(s) connected on the
same network. Connect the locking 5-pin DIN from the enclosed RS 3 power supply to the
POWER
connector. The RS 3
power supply does indeed connect earth ground the 3rd pin of the AC line cord to the NM 84 chassis metal. Depressing the
recessed
FP LOCK
(Front Panel Lock) button at this point disallows further front panel setup, so only press this button in once
youre completely done setting up the NM 84.
Front Panel:
There are 17 LCD edit pages allowing access to all NM 84 parameters. The first 8 screens set up Mic Inputs;
IN 1
through
IN 8
, respectively. Use the
Copy
field to copy and paste between the various pages.
The next four pages set up Monitor Outs;
Monitor 1
through
Monitor 4
, respectively. The 8 Mic Input audio channels on the
NM 84 can be transmitted on up to 4 different CobraNet Bundles (
Bndl
). Each of the 4 Bundles contains all 8 Mic Input audio
channels when transmitting 20-bit audio. CobraNet designates each of the 8 Audio Channels
AudCh 1
through
AudCh 8
,
respectively.
The two Network Transmit pages (
NetTx A/B
and
NetTx C/D
) allow selection of either
20-
or
24-Bit
Formats
for each
transmitted pair of the four Bundles. The four Bundles to transmit to are independently assignable to one of the 999 Bundles
using the four
Bndl
fields;
Bndl A, Bndl B, Bndl C
and
Bndl D
. When using 24-bit audio, two Bundles are required by
CobraNet to transport all 8 Audio Channels. Use the
Splt
parameter to split the 8 Audio Channels across Bundles when using
24-bit transmission.
The
Mem
(Memory) page allows 16 unique NM 84 setups to be
Store
d and
Recall
ed in the 16 Memory locations. Addition-
ally, the NM 84s MRP status can be transmitted over the network for other NM devices to listen to. Set the
MRP Tx
(MRP
Transmit) and
MRP Rx
(MRP Receive) fields for any or none of the 16 available MRP channels.
The
Serial
page sets the RS-232 serial ports
Baud
rate along with the
232 Tx
and
232 Rx
fields which set the transmit to
and receive RS-232 channels.
The
Config
page displays the current/editable IP Address and the editable Name of the NM 84 device (8 characters max).
Set the IP address to
0.0.0.0
(the default) to enable Peak Audios CobraNet Discovery Utility (Disco) to dynamically assign the
IP address. Disco allows you to plug into a CobraNet network with a standard Ethernet computer card (NIC) and discover all of
the CobraNet devices on the network. Disco has the ability to dynamically assign IP addresses as well as update CobraNet
firmware on the discovered CobraNet devices. Check for Disco availability from Peak Audio at
www.peakaudio.com/cobranet
as well as many music retailers which carry The Bee Gees, Donna Summer and the like.
Do yourself a favor and go through the
Optimizing Mic Preamplifier Performance
on page Manual-7, and at least read
Important Big Picture Concepts
on page Manual-8. Reviewing the Applications Examples provides insight into a logical
order for design work and may also avoid initial confusion.
Manual-2
Front Panel Description
a
Mic Input Meters
should be self-explanatory. They are meters with an averaging logarithmic filter. The only quirk to these
meters is the Mute condition when only the Limit indicator and no others is illuminated.
b
Edit buttons
are provide a quick and convenient way to get to the Edit page for the individual Mic Inputs.
c
LCD Display
which displays Edit Pages.
d
DATA wheel
. Allows adjustment of the underlined parameter after it is selected with the Page (see
e
) and Cursor (see
f
)
buttons. Turn the DATA wheel clockwise to increase the parameter, turn it counterclockwise to decrease the parameter.
e
Page buttons
. The Previous Page << and Next Page >> buttons scroll through all Edit Pages. When the EXE button is
pressed and held and MAX >> is pressed, the selected parameter jumps to its highest or to a larger value (see
g
).
f
Cursor buttons
. When pressed, the Previous < and Next > Cursor buttons move the cursor through each of the adjustable
fields on each page. These buttons select each adjustable parameter along the bottom row by moving the underline cursor left
< or right >. When any parameter is selected, the DATA wheel adjusts that parameter. When the EXE button is pressed and
held and MIN > is pressed, the selected parameter jumps to its lowest or to a smaller value (see
g
).
g
EXE (Execute) button
. Several commands are implemented with this button. Pressing EXE when the
Copy, Paste
and
Load
# commands are underlined executes that function. Holding down EXE while pressing MAX >> alters the selected
parameter to its highest or higher nominal value. Holding down EXE while pressing MIN > alters the selected parameter to
its lowest or lower value or
Off.
Pin 1 and Chassis Grounding
All XLR pin 1s on the NM 84 connect directly to the chassis metal via the XLR jack case itself. (Thank Neutrik for provid-
ing both a female and a male XLR jack which provide manufacturers with this function.) While viewing the XLR jacks, the
lower right screw next to each jack provides the chassis connection. Keeping these screws tight ensures optimal shielding and
electromagnetic interference performance.


Produktspecifikationer

Varumärke: Rane
Kategori: blandningskonsoler
Modell: NM 84

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