User guide

OPERATING THE MRM-70/MRM-70B UHF DIVERSITY RECEIVER MODULE
MRM-70/MRM-70B
SCAN
CHANNEL
ACT
SENSITIVITY
+
NOISE
AF
RF
-
VOLUME
Receiver Power Switch/Volume Control: Turns on/off of receiver module. After power on,
AF LED will flash. Turns knob clockwise to turn up volume.
Audio Signal Level Indicator: Indicate the audio signal level.
Sensitivity Adjuster: Higher sensitivity (+) to increase receiving distance.
Lower sensitivity (-) to minimize noise interference.
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 frequency.
LED Screen: displays current channel.
Noise Indicator: Denotes the presence of interference.
RF Signal Level Indicator: Indicate the RF signal strength received.
MRM-70/MRM-70B: UHF DIVERSITY RECEIVER MODULE
INSTALLING MRM-70/MRM-70B DIVERSITY RECEIVER MODULE
MIPRO offers an optional industry-leading diversity wireless receiver module. Up to 2 receiver
modules can be installed quickly and easily for wireless microphone operation. Each receiver
module has 16 preset UHF frequencies. Simply press the “scan” button once to quickly autoscan
for an interference-free receiver frequency. A built-in “noise” interference indicator (when lit)
detects the presence of interference. Once lit during operation simply press scan button to
autoscan for another interference-free frequency.
Power off system. Unscrew the 2 screws. Take out the front cover. Insert the receiver module and
align the edge connector with the empty slot. Applying even pressure at both corners, push in
until it is firmly seated in the slot. Fasten the 2 screws.
D2
6
7
PORTABLE WIRELESS PA SYSTEM PORTABLE WIRELESS PA SYSTEM
4. Existing channel
blinks
5. Press & release
"SCAN" button
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.
3. Press & hold
"SCAN" button for
1 second
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
6. New
interference-free
channel appears
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
DIVERS ITY REC EIVER
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
DIVERS ITY REC EIVER
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
or
<
30
c
m
(
12
i
n
.)
DIVERSITY RECEIVER
SCAN
ACT SENSITIVITY
CHANNEL
AF
RF
NOISE
VOLUME
DIVERSITY RECEIVER
VOLUME
D3D4
D8
D1D5
D7
D9
D6
D1
D2
D3
D4
D5
D6
D7
D8
D9
SET-UP RECEIVER AND TRANSMITTER FREQUENICES
AUTOMATIC “RECEIVER” FREQUENCY SELECTION
1. POWER "ON" the portable PA.
2. POWER on receiver by turning "VOLUME" knob.
VOLUME
POWER