Sennheiser 1039 If a problem occurs

If a problem occurs ...

If a problem occurs ...

Problem	Possible cause	Possible solution
Receiver cannot be operated,	Lock mode is activated	Deactivate the lock mode (see page 12).
“Locked” appears on the display
panel
No operation indication	Batteries are flat or	Replace the batteries or recharge the accupack
	accupack is flat	(see page 10).
	Batteries are inserted the wrong	Observe correct polarity when inserting the
	way round	batteries (see page 10).
No RF signal	Transmitter and receiver are not on	Set the receiver and transmitter to the same
	the same channel	channel.
	Transmission range is exceeded	Reduce the distance between receiver and
		transmitter.
		Check the squelch threshold setting and,
		if necessary, reduce it (see page 17).
		Increase the transmitter’s transmission power
		(see the instruction manual for the
		transmitter).
	Transmitter’s RF signal is deacti-	Activate the RF signal
	vated (“RF Mute”)	(see the instruction manual for the
		transmitter).
RF signal available, no audio signal	Transmitter is muted (MUTE)	Cancel the muting (see the instruction manual
		for the transmitter).
	Receiver’s squelch threshold is	Reduce the squelch threshold setting
	adjusted too high	(see page 17).
	Microphone is defective	Replace the microphone.
	Headphones are defective	Replace the headphones.
Audio signal has a high level of	Transmitter sensitivity is adjusted	Adjust the transmitter sensitivity correctly
background noise	too low	(see the instruction manual for the
		transmitter).
Audio signal is distorted	Transmitter sensitivity is adjusted	Adjust the transmitter sensitivity correctly
	too high	(see the instruction manual for the
		transmitter).
	Receiver’s audio output level is	Reduce the audio output level (see page 18).
	adjusted too high
No access to a certain receiving	Receiving channel is hidden for the	Activate the visibility of the receiving channel
channel	user	(“Active”, see page 20).
During copying, “Incompatible	You are using receivers from dif-	Use a receiver from the same frequency range.
Frequency” appears on the display	ferent frequency ranges and you	Set a frequency that is available in both
panel	have set a frequency that is not
		frequency ranges.
	available in the frequency range
	of one of the receivers.

Please also read the chapter “If a problem occurs ...” in the instruction manual for your transmitter.

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 partner for assistance.

To find a Sennheiser partner in your country, search at www.sennheiser.com under “Service & Support”.

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