If problems occur...
Error checklist
ProblemPossible causePossible solution
No operation indicationBatteries are flat or Replace the batteries or
accupack is flatrecharge the accupack
No mains connection (EM 300 G2)Check the connections of the mains unit
No RF signalTransmitter and receiver are not on the Set transmitter and receiver to the
same channelsame channel
Transmitter is out of rangeCheck the squelch threshold setting
(see Adjusting the squelch threshold
(EM 300 G2 only)Ť on page 31) or
reduce the distance between
transmitter and receiving antenna
RF signal available, no audio Transmitter is muted (ŤMUTEŽ)Deactivate the muting function
signal, MUTE display appears Receivers squelch threshold is adjusted See Adjusting the squelch threshold
on the display paneltoo high(EM 300 G2 only)Ž on page 31
Transmitter doesn?t transmit a See Activating/deactivating the pilot
pilot tonetone transmission or pilot tone
evaluationŽ on page 33
Audio signal has a high level of Transmitter sensitivity is adjusted too See Adjusting the sensitivity
background noiselow (transmitters only) on page 30
Receivers AF output level is adjusted See Adjusting the audio output level
too low(EM 300 G2 only)Ž on page 31
Audio signal is distortedTransmitter sensitivity is adjusted too See Adjusting the sensitivity
high(transmitters only) on page 30
Receivers AF output level is adjusted See Adjusting the audio output level
too high(EM 300 G2 only)Ž on page 31
No access to a certain channel During scanning, an RF signal has been See Scanning the channel banks for
detected on this channel and the free channels (EM 300 G2 only) on
channel has been lockedpage 29
During scanning, a transmitter of your See Multi-channel operation on
system operating on this channel has page 30
not been switched off
If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed
solutions, please contact your local Sennheiser agent for assistance.
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ACEC
