Sennheiser 2015 manual Troubleshooting, Error checklist

Troubleshooting

Error checklist

Problem	Possible cause	Possible solution
No display on the	Battery pack or batteries at low	Recharge the battery pack or
display panel	capacity.	replace the batteries.
Receiver: No RF signal	Transmitter and receiver are not	Set transmitter and receiver to the same
	on the same channel/frequency.	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	The transmitter’s microphone is	Deactivate the muting function.
available,	muted (“MUTE”).
but no audio signal
Microphone signal has	The transmitter’s microphone	Via the “SENSIT (MIC)” menu, increase
a high level of	sensitivity is adjusted too low.	the microphone sensitivity.
background noise
Line signal has a high	The transmitter’s line sensitivity is	Via the “SENSIT (LINE)” menu, increase
level of background	adjusted too low.	the line sensitivity.
noise
	The transmitter’s microphone signal	Mute the transmitter’s microphone
	interferes with the line signal.	(“MUTE”).
Microphone signal is	The transmitter’s microphone	Via the “SENSIT (MIC)” menu, reduce the
distorted	sensitivity is adjusted too high.	microphone sensitivity.
Line signal is distorted	The transmitter’s line sensitivity is	Via the “SENSIT (LINE)” menu, reduce
	adjusted too high.	the line sensitivity.

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