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
! If problems occur that are not listed in the above table, please contact
your local Sennheiser agent for assistence.
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