Sennheiser 500 Series Instruction Manual page 33

SK 500 and SKM 500
Problem
Devices cannot be oper-
ated, "Locked" appears
on the display panel
No operation indication
No RF signal at the
receiver
RF signal available,
no audio signal,
"MUTE" appears on the
display panel of the
receiver
Audio signal has a high
level of background noise
or 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".
Possible cause
Lock mode is activated
Batteries are flat or
accupack is flat
Bodypack transmitter/radio microphone
and receiver are not on the same channel
Bodypack transmitter/radio microphone
is out of range
RF signal is deactivated ("RF
Bodypack transmitter/radio microphone
is muted (MUTE)
Receiver's squelch threshold is adjusted
too high
Bodypack transmitter/radio microphone
doesn't transmit a pilot tone
Bodypack transmitter's/radio micro-
phone's sensitivity is adjusted too low/
too high
Possible solution
Deactivate the lock mode (see page 22).
Replace the batteries or recharge the accupack
(see page 16).
Synchronize the bodypack transmitter/radio
microphone with the receiver (see page 21).
Set the bodypack transmitter/radio micro-
phone to the same channel as the receiver.
Check the squelch threshold setting on the
receiver.
Reduce the distance between bodypack trans-
mitter/radio microphone and receiving
antenna.
Mute") Activate the RF signal (see page 24).
Cancel the muting (see page 23).
Reduce the squelch threshold setting on the
receiver.
Activate or deactivate the pilot tone transmis-
sion (see page 28).
Adjust the input sensitivity (see page 28).
Cleaning the devices
31