Sennheiser System 2015 Instructions for Use - Page 32

Troubleshooting, Error checklist

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Troubleshooting Error checklist Problem Possible cause Possible solution No display on the display panel Battery pack or batteries at low capacity. Recharge the battery pack or replace the batteries. Receiver: No RF signal Transmitter and receiver are not on the same channel/frequency. Set transmitter and receiver to the same channel. Check if the frequency is the same. If this is not the case, set transmitter and receiver to a different channel. The transmitter is out of range. Reduce the distance between transmitter and receiver. The technical expert must check the squelch threshold setting. Receiver: RF signal available, but no audio signal The transmitter's microphone is muted ("MUTE"). Deactivate the muting function. Microphone signal has The transmitter's microphone a high level of sensitivity is adjusted too low. background noise Via the "SENSIT (MIC)" menu, increase the microphone sensitivity. Line signal has a high level of background noise The transmitter's line sensitivity is Via the "SENSIT (LINE)" menu, increase adjusted too low. the line sensitivity. The transmitter's microphone signal Mute the transmitter's microphone interferes with the line signal. ("MUTE"). Microphone signal is The transmitter's microphone distorted sensitivity is adjusted too high. Via the "SENSIT (MIC)" menu, reduce the microphone sensitivity. Line signal is distorted The transmitter's line sensitivity is Via the "SENSIT (LINE)" menu, reduce adjusted too high. the line sensitivity. 84

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84
Troubleshooting
Error checklist
Problem
Possible cause
Possible solution
No display on the
display panel
Battery pack or batteries at low
capacity.
Recharge the battery pack or
replace the batteries.
Receiver: No RF signal
Transmitter and receiver are not
on the same channel/frequency.
Set transmitter and receiver to the same
channel. Check if the frequency is the
same. If this is not the case, set
transmitter and receiver to a different
channel.
The transmitter is out of range.
Reduce the distance between
transmitter and receiver.
The technical expert must check the
squelch threshold setting.
Receiver: RF signal
available,
but no audio signal
The transmitter’s microphone is
muted (“MUTE”).
Deactivate the muting function.
Microphone signal has
a high level of
background noise
The transmitter’s microphone
sensitivity is adjusted too low.
Via the “
SENSIT
(MIC)” menu, increase
the microphone sensitivity.
Line signal has a high
level of background
noise
The transmitter’s line sensitivity is
adjusted too low.
Via the “
SENSIT
(LINE)” menu, increase
the line sensitivity.
The transmitter’s microphone signal
interferes with the line signal.
Mute the transmitter’s microphone
(“MUTE”).
Microphone signal is
distorted
The transmitter’s microphone
sensitivity is adjusted too high.
Via the “
SENSIT
(MIC)” menu, reduce the
microphone sensitivity.
Line signal is distorted
The transmitter’s line sensitivity is
adjusted too high.
Via the “
SENSIT
(LINE)” menu, reduce
the line sensitivity.