Sennheiser 500 Series manual 33

		Cleaning the devices
SK 500 and SKM 500
Problem	Possible cause	Possible solution
Devices cannot be oper-	Lock mode is activated	Deactivate the lock mode (see page 22).
ated, “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 16).
No RF signal at the	Bodypack transmitter/radio microphone	Synchronize the bodypack transmitter/radio
receiver	and receiver are not on the same channel	microphone with the receiver (see page 21).
		Set the bodypack transmitter/radio micro-
		phone to the same channel as the receiver.
	Bodypack transmitter/radio microphone	Check the squelch threshold setting on the
	is out of range	receiver.
		Reduce the distance between bodypack trans-
		mitter/radio microphone and receiving
		antenna.
	RF signal is deactivated (“RF Mute”)	Activate the RF signal (see page 24).
RF signal available,	Bodypack transmitter/radio microphone	Cancel the muting (see page 23).
no audio signal,	is muted (MUTE)
“MUTE” appears on the	Receiver’s squelch threshold is adjusted	Reduce the squelch threshold setting on the
display panel of the	too high	receiver.
receiver	Bodypack transmitter/radio microphone	Activate or deactivate the pilot tone transmis-
	doesn’t transmit a pilot tone	sion (see page 28).
Audio signal has a high	Bodypack transmitter’s/radio micro-	Adjust the input sensitivity (see page 28).
level of background noise	phone’s sensitivity is adjusted too low/
or is distorted	too high

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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