Adjust the modem AUDIO GAIN control as needed for desired audio
level at headset or loudspeaker.
Return METER FUNCTION switch
to DC LOOP NO. 1.
Adjust SQUELCH SENS control as
needed for desired degree of back-
ground audio squelching at the
headset or loudspeaker. (Full
clockwise turn provides maximum
Set MODE SELECTOR switch to position desired.
Set RCV/SEND at RCV.
Check ONE WAY/DUPLEX
switch for ONE WAY position.
Set METER FUNCTION to
When a signal is present, adjust
AUDIO GAIN control on receiver-
transmitter until you get a reading in
RCV portion of meter.
If you do not get a correct reading on the meter, repeat
procedures given for voice reception.