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Troubleshooting
Error checklist
Problem Possible cause Possible solution
No operation
indication
Batteries are flat or
inserted incorrectly,
accupack is flat
Replace the batteries or
check if they are
inserted correctly or
recharge the accupack
Receiver:
No RF signal
Transmitter and
receiver are not on the
same channel
Set transmitter and
receiver to the same
channel
Transmitter is out of
range
Check the squelch
threshold setting or
reduce the distance
between transmitter
and receiving antenna
Receiver:
RF signal
available,
no audio
signal
Transmitter is muted
(MUTE)
Deactivate the muting
function
Receiver’s squelch
threshold is adjusted
too high
Reduce the squelch
threshold
Audio signal
has a high
level of
background
noise
Transmitter
sensitivity is adjusted
too low
see “Adjusting the
sensitivity – SENSIT” on
page 53
Receiver’s AF output
level is adjusted too
low
Increase the audio
output level