If A Problem Occurs - Sennheiser HDE 2020-D Instruction Manual

If a problem occurs...

If a problem occurs...
In the following table, the term "transmitter" refers to both "bodypack transmit-
ter" and "radio microphone".
Problem
No operation
indication on the
transmitter
No radio waves
on the receiver display
RF signal available,
no audio signal,
the red LED LOW
BATT/MUTE lights
up on the transmitter
Audio signal is
distorted
Operating time of
the transmitter is
drastically reduced
Operating time of the
receivers is drastically
reduced
Occasional drop outs
in the audio signal
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.
54
Possible cause
Batteries are flat or
accupack is flat
No RF signal, transmitter
and receiver are not on
the same channel
No RF signal, transmitter is
out of range
Transmitter is in
energy saving mode
(see page 16)
Transmitter is muted
(MUTE)
Transmitter sensitivity is
adjusted too high
Normal ageing or damage
of BA 2015 accupack
Normal ageing or damage
of rechargeable batteries
Distance to the
transmitter is too great
Interference is being
received from an
external source
Interference is being
received from a second
transmitter
Possible solution
Replace the batteries or recharge
the accupack (see page 33)
Set transmitter and receiver to
the same channel (see page 35)
Reduce the distance between receiver
and transmitter
Check the signal source
Deactivate the muting function
(see page 39)
Change the sensitivity of the
microphone input (see page 42) or
line input (see page 41)
Replace the BA 2015 accupack
Have the rechargeable batteries
replaced by a Sennheiser Service
Department
Reduce the distance to
the transmitter
Change the system to a different
channel
Change the transmitters to
different channels