Sennheiser EM500 Instruction Manual page 53

If a problem occurs ...
Problem
Audio signal is
distorted
No access to a
certain channel
During the sound-
check, only one
diversity display
(I or II) appears on
the display panel
None of the diver-
sity displays I or II
appears on the
display panel
If a problem occurs that is not listed in the above table or if the problem cannot be solved with
the proposed solutions, please contact your local Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at www.sennheiser.com under "Service &
Support".
52
Possible cause
Transmitter sensitivity is
adjusted too high
Receiver's audio output level is
adjusted too high
During scanning, an RF signal
has been detected on this
channel and the channel has
been locked
During scanning, a transmitter
of your system operating on this
channel has not been switched
off
One of the antennas is not
correctly connected
Antennas are not optimally
positioned
Receiver's squelch threshold is
adjusted too high
Transmitter's RF signal is too
weak
Possible solution
Adjust the transmitter sensitivity
correctly (see the instruction manual
of the transmitter).
Reduce the audio output level
(see page 37).
Set the transmitter operating on this
channel to a different channel and
redo the frequency preset scan
(see page 35).
Switch the transmitter off and
redo the frequency preset scan
(see page 35).
Check the antenna cable or the
antenna.
Reposition the antennas.
Reduce the squelch threshold
(see page 34).
Increase the transmission power of
the transmitter.
Reduce the distance between
transmitter and receiver.