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If a problem occurs ...
If a problem occurs ...
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”.
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 13).
No opera-
tion indica-
tion
Batteries are flat or
accupack is flat
Replace the batteries
or recharge the accu-
pack (see page 8).
No RF signal
at the
receiver
Bodypack trans-
mitter and receiver
are not on the same
channel
Set the bodypack
transmitter to the
same channel as
the receiver.
Synchronize the
bodypack trans-
mitter with
the receiver
(see page 28).
Transmission range
is exceeded
Reduce the distance
between bodypack
transmitter and
receiving antennas.
Increase the trans-
mission power
(see page 25).
RF signal is
deactivated
(“RF Mute“)
Activate the RF
signal (see page 14).
RF signal
available,
no audio
signal,
“MUTE”
appears on
the display
panel
Bodypack trans-
mitter is muted
(MUTE)
Cancel the muting
(see page 14).
Receiver’s squelch
threshold is
adjusted too high
Reduce the squelch
threshold setting on
the receiver.
Bodypack trans-
mitter doesn’t
transmit a pilot tone
Activate or deacti-
vate the pilot tone
transmission
(see page 26).
Audio signal
has a high
level of
background
noise or
audio signal
is distorted
Bodypack trans-
mitter’s sensitivity
is adjusted too low/
too high
Adjust the input
sensitivity
(see page 21).