Sennheiser EK3253 - Manual (Page 29)

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If problems occur ...
Error checklist
If problems occur that are not listed in the above table or if the
problems cannot be solved with the proposed solutions, please
contact your local Sennheiser agent for assistance.
Problem Possible cause Possible solution
No
operation
indication Batteries are flat or
accupack is flat Replace the batteries
or recharge the
accupack
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
or change the position
of the transmitting
antenna
RF signal
available,
no audio
signal,
“MUTE”
display
appears on
the display
panel Receiver’s squelch
threshold is adjusted
too high See “Adjusting the
squelch threshold –
SQELCH” on page 25
Transmitter does not
transmit a pilot tone Set the transmitter to
stereo operation or
deactivate the pilot
tone evaluation on the
receiver
No access to
a certain
channel During scanning, an RF
signal has been
detected on this
channel and the
channel has been
locked See “Scanning the
channel bank for free
channels – SCAN” on
page 25