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