Sennheiser Tourguide 2020-D, Instruction Manual, Page: 66 / 77

Tourguide 2020-D | 139
If a problem occurs���
If a problem occurs...
In the following table, the term “transmitter” refers to both “bodypack trans-
mitter” and “radio microphone”�
Problem Possible cause Possible solution
No operation indication
on the transmitter
Batteries are flat or
accupack is flat
Replace the batteries or
recharge the accupack
(see page 117)
No radio waves on the
receiver display
No RF signal, trans-
mitter and receiver
are not on the same
channel
Set transmitter and receiver
to the same channel
(see page 121)
No RF signal, trans-
mitter is out of range
Reduce the distance be-
tween receiver and trans-
mitter
Transmitter is in ener-
gy saving mode
(see page 89)
Check the signal source
RF signal available, no
audio signal, the red
LED LOW BATT / MUTE
7 lights up on the
transmitter
Transmitter is muted
( MUTE )
Deactivate the muting func-
tion (see page 125)
Audio signal is distort-
ed
Transmitter sensitivi-
ty is adjusted too high
Change the sensitivity of
the microphone input (see
page 127) or line input
(see page 127)
Operating time of the
transmitter is drastical-
ly reduced
Normal aging or
damage of BA 2015
accupack
Replace the BA 2015 accu-
pack
Operating time of the
receivers is drastically
reduced
Normal aging or dam-
age of rechargeable
batteries
Have the rechargeable
batteries replaced by a
Sennheiser Service Depart-
ment
Occasional drop outs in
the audio signal
Distance to the trans-
mitter is too great
Reduce the distance to the
transmitter
Interference is being
received from an
external source
Change the system to a
different channel
Interference is being
received from a sec-
ond transmitter
Change the transmitters to
different channels
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
agent for assistance�
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