MIPRO MRM-70B Bruksanvisning

MIPRO mottagare MRM-70B

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Specifications and design subject to change without notice. MN 014/02

User Guide

The MRM-70R/MRM-70B is a single channel,

frequency agile, wireless microphone receiver

module.

MRM-70R/MRM-70B

DIVERSITY RECEIVER MODULE

2 CE 3 8 5 B

INTRODUCTION

The MRM-70R/MRM-70B is a remote controllable diversity

receiver module suitable for installation in most MIPRO

portable PA amplifiers. It can also be fitted to other PA

amplifiers, mixers, signal processors and karaoke players to

provide these devices with frequency agile, wireless

reception.

The UHF band and PLL technology are utilized to avoid the

often congested VHF band. True diversity and advanced

circuitry combine to eliminate signal dropouts and random

noise interference.

Receiver Power Switch/Volume Control: Turns

on/off of receiver. After power on, AF LED will flash. Turn

knob clockwise to turn up volume.

Audio Signal Meter: Indicate the audio signal level.

Sensitivity Adjuster: Higher sensitivity (+) to increase

receiving distance. Lower sensitivity (-) to minimize

noise interference.

Note: lower sensitivity level also reduces operating

distance.

ACT Infrared (IR) Port: Transmits IR signal to

transmitter to synchronize frequencies.

ACT Sync Button: Press to synchronize the receiver

and transmitter frequencies.

SCAN Button: Press for an interference-free channel.

LED Screen: Displays current receiver channel.

Noise Indicator: When lit, it denotes the presence of

interference.

RF Signal Meter: Indicate the RF signal strength

received when transmitter is turned on.

77 8

SCAN

CHANNEL

ACT

SENSITIVITY

NOISE

VOLUME

PART NAMES AND FUNCTIONS

DIVERSITY

DIVERSITY DIVERSITY RECEIVER

RECEIVER

RECEIVER RECEIVER MODULE

MODULE

MODULEMODULE

DIVERSITY

DIVERSITY DIVERSITY RECEIVER

RECEIVER

RECEIVER RECEIVER MODULE

MODULE

MODULEMODULE

5. Press & release

"SCAN" button

6. New interference-free

channel appears

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

3. Press & hold "SCAN"

button for 1 second

4. Existing channel

blinks

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

SET-UP RECEIVER AND TRANSMITTER

FREQUENICES

AUTOMATIC “RECEIVER” FREQUENCY SELECTION

1. POWER "ON" the portable PA.

POWER

2. POWER on receiver by turning "VOLUME" knob.

VO LUME

AUTOMATIC “TRANSMITTER” SYNC

1. POWER on transmitter (ensure fresh batteries are

properly installed with the correct polarity).

Replace transmitter battery when LED glows red during

powered-on. (glows red = low battery)

2. Locate and bring an ACT transmitter *infrared (IR) port

within 30cm (12-inch) of receiver's ACT button.

3. Press and release “ACT” button to synchronize

transmitter and receiver frequencies.

4. When the frequencies are synchronized successfully the

receiver channel stops flashing and the RF meter is fully

lit, the microphone is now ready for use.

NOTE: The transmitter infrared IR port is normally located by

a round-shaped red color spot.

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

SCAN

ACT SENSITIVITY

CHANNEL

NOISE

VOLUME

DIVERSITY

DIVERSITY DIVERSITY RECEIVER

RECEIVER

RECEIVER RECEIVER MODULE

MODULE

MODULEMODULE

DIVERSITY

DIVERSITY DIVERSITY RECEIVER

RECEIVER

RECEIVER RECEIVER MODULE

MODULE

MODULEMODULE

< 30cm (12 in.)

Produktspecifikationer

Varumärke:	MIPRO
Kategori:	mottagare
Modell:	MRM-70B
Vikt:	126 g
Bredd:	75 mm
Djup:	141 mm
Höjd:	35 mm
Frekvensband:	UHF
Ljudutgångskanaler:	- kanaler
Total harmonisk distorsion (THD):	0.5 %
Fjärrkontroll ingår:	Nej
Produktens färg:	Svart
Temperatur vid drift:	-10 - 60 ° C
Frekvensområde:	60 - 15000 hz
Effekt per kanal (20-20KHz @ 8 ohm):	- W
Signal/brusförhållande (SNR):	100 dB
FM band:	480 - 934 MHz
Utnivå:	610 mV
Överföringsfrekvens:	2.4 GHz