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7 Troubleshooting
Error checklist
Problem Possible cause
No operation indication ț Batteries are flat
ț No mains connection
No RF signal ț Transmission frequency is not the
same as the receiving frequency
ț Transmitter is out of range
RF signal available ț Transmitter is muted (“MUTE”)
but no audio signal ț Receiver’s squelch threshold adjusted
too high
ț SKP 500 plug-on transmitter does not
supply phantom powering to conden-
ser microphone (u “Preparing the
devices for use“)
Audio signal has a high ț Transmitter sensitivity adjusted too
level of background noise low
ț Receiver’s AF output level adjusted
too low
Audio signal distorted ț Transmitter sensitivity adjusted too
high
ț Receiver’s AF output level
adjusted too high
Ǡ If problems occur that are not listed in the above table, please contact
your local Sennheiser agent for assistence.