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If a problem occurs ...
27
If a problem occurs ...
If a problem occurs that is not listed in the above table or if the problem cannot be solved with
the proposed solutions, please contact your local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com under “Service &
Support”.
Problem Possible cause Possible solution
No operation
indication
Battery is flat or inserted
incorrectly
Replace the battery or check if it
is inserted correctly
Transmitter cannot be
switched off/
Settings cannot be
changed
Lock mode is activated Deactivate the lock mode
(see page 13)
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 on the receiver
or reduce the distance between
receiving antenna and
transmitter
Audio signal has a high
level of background
noise
Transmitter’s sensitivity is set
too high
See “Adjusting the microphone
sensitivity – “ATTEN”” on
page 23
Receiver’s output level is set too
low
Increase the line output level
Audio signal is
distorted
Transmitter’s sensitivity is set
too low
See “Adjusting the microphone
sensitivity – “ATTEN”” on
page 23
Receiver’s output level is set too
high
Reduce the line output level