Sennheiser EK 2000-CW User Manual

Page of 43
34
If a problem occurs ...
If a problem occurs ...
Problem
Possible cause
Possible solution
Diversity 
receiver 
cannot be 
operated, 
Locked
” 
appears on 
the display 
panel
Lock mode is activated
Deactivate the lock mode 
(see page 13).
No operation 
indication
Batteries are flat or 
accupack is flat
Replace the batteries or 
recharge the accupack 
(see page 9).
No RF signal
Transmitter and 
receiver are not on 
the same channel
Set the transmitter and 
receiver to the same channel.
Synchronize the transmitter 
with the receiver 
(see page 30).
Transmission range is 
exceeded
Check the squelch threshold 
setting (see page 21).
Reduce the distance between 
transmitter and receiver.
RF signal is deactivated 
(“
RF Mute
“)
Activate the RF signal 
(see the instruction manual 
of the transmitter).
RF signal 
available, no 
audio signal, 
MUTE
” 
appears on 
the display 
panel
Transmitter is muted
Cancel the muting 
(see the instruction manual 
of the transmitter).
Receiver’s squelch 
threshold is adjusted 
too high
Reduce the squelch threshold 
setting (see page 21).
Transmitter doesn’t 
transmit a pilot tone
Deactivate the pilot tone 
evaluation (see page 27).
Audio signal 
has a high 
level of back-
ground noise
Transmitter sensitivity 
is adjusted too low
Adjust the transmitter 
sensitivity correctly 
(see the instruction manual 
of the transmitter).