Sennheiser SK 2000 User Manual

Page of 42
31
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).