75
7 Troubleshooting
Error checklist
Problem Possible cause
No operation indication Batteries are flat
No mains connection
No RF signal Transmission frequency is not the
same as the receiving frequency
Transmitter is out of range
RF signal available Transmitter is muted (“MUTE”)
but no audio signal Receiver’s squelch threshold
adjusted too high
Audio signal has a high Transmitter sensitivity adjusted too
level of background noise low
Receiver’s AF output level adjusted
too low
Audio signal distorted Transmitter sensitivity adjusted too
high
Receiver’s AF output level adjusted
too high
씰 If problems occur that are not listed in the above table, please contact
your local Sennheiser agent for assistence.
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