Sennheiser SKM 300 If a problem occurs, tion, phone, panel, panel, at the, signal, “MUTE”, Problem, operated, “Locked”, No opera, accupack, receiver, receiver, antennas, no audio

If a problem occurs ...

If a problem occurs ...

Problem	Possible cause	Possible solution
Radio micro-	Lock mode is	Deactivate the lock
phone	activated	mode (see page 14).
cannot be
operated,
“Locked”
appears on
the display
panel
No opera-	Batteries are flat or	Replace the batteries
tion indica-	accupack is flat	or recharge the
tion		accupack
		(see page 8).
No RF signal	Radio microphone	Set the radio micro-
at the	and receiver are not	phone to the same
receiver	on the same channel	channel as the
		receiver.
		Synchronize the
		radio microphone
		with the receiver
		(see page 17).
	Transmission range	Reduce the distance
	is exceeded	between radio micro-
		phone and receiving
		antennas.
		Increase the trans-
		mission power
		(see page 25).
	RF signal is	Activate the RF
	deactivated	signal (see page 14).
	(“RF Mute“)
RF signal	Receiver’s squelch	Reduce the squelch
available,	threshold is	threshold setting on
no audio	adjusted too high	the receiver.
signal,	Radio microphone	Activate or deacti-
“MUTE”
	doesn’t transmit a	vate the pilot tone
appears on
	pilot tone	transmission (see
the display
		page 25).
panel
Audio signal	Radio microphone’s	Adjust the input
has a high	sensitivity is	sensitivity
level of	adjusted too low/	(see page 21).
background	too high
noise or
audio signal
is distorted

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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