Sennheiser Digital 9000, Instruction Manual

Page: 113 / 130

Digital 9000 | 111
If a problem occurs ...
SKM 9000 radio microphone
SK 9000 bodypack transmitter
Problem Possible cause Possible solution
Transmitter cannot
be operated,
“
LOCK ” appears on
the display panel
Lock mode is
activated Deactivate the lock mode
(see page 90).
No operation
indication Batteries are flat or
accupack is flat Replace the batteries or
recharge the accupack
(see page 94).
No RF signal at the
receiver Transmitter and
receiver are not on
the same frequency Perform a frequency scan
(see page 56) and then
synchronize the transmitter
and receiver.
Transmission range
is exceeded Reduce the distance
between transmitter and
receiving antennas.
Transmitter’s RF
signal is deactivated
(“
RF Mute ”)
Activate the RF signal
(see page 78).
Audio signal has a
high level of
background noise
or is distorted Transmitter input
gain is too low/too
high Adjust the input gain
(see page 82).
Problem Possible cause Possible solution
Transmitter cannot
be operated,
“
LOCK ” appears on
the display panel
Lock mode is
activated Deactivate the lock mode
(see page 99).
No operation
indication Batteries are flat or
accupack is flat Replace the batteries or
recharge the accupack
(see page 94).
No RF signal at the
receiver Transmitter and
receiver are not on
the same frequency Perform a frequency scan
(see page 56) and then
synchronize the transmitter
and receiver.
Transmission range
is exceeded Reduce the distance
between transmitter and
receiving antennas.
Transmitter’s RF
signal is deactivated
(“
RF Mute ”)
Activate the RF signal
(see page 86).
Audio signal has a
high level of
background noise
or is distorted Transmitter input
gain is too low/too
high Adjust the input gain
(see page 90).