Sennheiser 100 G3 User Manual

Page of 40
Cleaning the devices
29
SK 100 and SKM 100
RF signal available, 
no audio signal, 
MUTE
” appears on the 
display panel
Transmitter is muted (“
MUTE
”)
or 
transmitter doesn’t transmit a pilot tone
Cancels the muting (see page 22).
Switch the pilot tone transmission on the trans-
mitter on (see page 27).
Switch the pilot tone evaluation on the receiver 
off (see page 26).
Receiver’s squelch threshold is adjusted 
too high
Reduce the squelch threshold 
(see page 25).
Reposition the antennas.
Audio signal has a high 
level of background noise
Transmitter sensitivity is adjusted too 
low/high
Adjust the transmitter sensitivity correctly 
(“
Sensitivity
Audio signal is distorted
Transmitter sensitivity is adjusted too 
high
Adjust the transmitter sensitivity correctly 
(“
Sensitivity
Receiver’s audio output level is adjusted 
too high
Reduce the audio output level 
(“
AF Out
No access to a certain 
channel 
During scanning, an RF signal has been 
detected on this channel and the channel 
has been locked
Set the transmitter operating on this channel to 
a different channel and redo the frequency 
preset scan (see page 26).
During scanning, a transmitter of your 
system operating on this channel has 
not been switched off
Switch the transmitter off and redo the 
frequency preset scan (see page 26).
None of the diversity 
displays I or II appears on 
the display panel
Receiver’s squelch threshold is adjusted 
too high 
Reduce the squelch threshold (see page 25).
Transmitter’s RF signal is too weak
Increase the transmission power of the 
transmitter.
Reduce the distance between transmitter and 
receiver.
Antennas are not connected correctly
Check the antenna cables or the antennas.
During the soundcheck, 
only one diversity display 
(I or II) appears on the 
display panel
One of the antennas is not connected 
correctly
Check the antenna cable or the antenna.
Antennas are not optimally positioned
Reposition the antennas.
Problem
Possible cause
Possible solution
Problem
Possible cause
Possible solution
Devices cannot be oper-
ated, “
Locked
” appears 
on the display panel
Lock mode is activated
Deactivate the lock mode (see page 21).
No operation indication
Batteries are flat or 
accupack is flat
Replace the batteries or recharge the accupack 
(see page 15).