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MICROPHONES
ITEC 5300 RADIO MICROPHONE SYSTEMS
5. Installation modules
5.1. Receiver module ITEC MR 5300
Channel settings:
Press the SCAN button for 2 seconds: 7-segment display flashes. Briefly pressing again switches over
to the next channel.
Keep the SCAN button pressed: Channelling takes place at one-second intervals
If a transmitter is in operation in the environment, its frequency cannot be selected!
The frequency setting of the corresponding microphone or pocket transmitter takes place by pressing the
ACT-button. For this purpose, the microphone / pocket transmitter must be switched on and the IR receiver
diode of the transmitter must be held at a distance of approximately 10 cm from the IR transmitter diode of
the receiver.
Caution:
No other microphones in the vicinity may be switched on during the updating procedure.
They
may otherwise accidentally receive the IR data.
Noise suppression (squelch):
Setting takes place via a potentiometer on the front panel (sensitivity).
Turning in counter-clockwise direction ( - ): high noise suppression = low range
Turning in clockwise direction ( + ): low noise suppression = high range
Pin assignment (underside)
CHANNEL INDICATOR RECEPTION INDICATOR
LEVEL INDICATOR
ON/OFF BUTTON
VOLUME CONTROL
NOISE SUPPRESSSION
(SQUELCH)
IR DIODE
UPDATE
SET
GND
ANTENNA B
+12V
GND
SIGNAL GND
SIGNAL OUTPUT
ANTENNA A
GND