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If a problem occurs ...
If a problem occurs ...
... for multi-channel operation
• For multi-channel operation, you should only use the channels within
one frequency bank. Each of the frequency banks “1” to “20” accom-
modates factory-preset frequencies which are intermodulation-free.
• When using several transmitters simultaneously, interference can be
avoided by maintaining a minimum distance of 20 cm between two
transmitters.
Problem Possible cause Possible solution
Bodypack transmitter
cannot be operated,
“Locked” appears on
the display panel
Lock mode is
activated
Deactivate the lock mode
(see page 12).
No operation
indication
Batteries are flat or
accupack is flat
Replace the batteries or
recharge the accupack
(see page 8).
No RF signal at the
receiver
Bodypack trans-
mitter and receiver
are not on the
same channel
Set the bodypack trans-
mitter to the same channel
as the receiver.
Synchronize the bodypack
transmitter with the
receiver (see page 28).
Transmission range
is exceeded
Reduce the distance
between bodypack
transmitter and receiving
antennas.
Increase the transmission
power (see page 25).
RF signal is deacti-
vated (“RF Mute“)
Activate the RF signal
(see page 13).