Sennheiser Digital 9000, Instruction Manual

Page: 112 / 130

If a problem occurs ...
110 | Digital 9000
If a problem occurs ...
EM 9046 receiver
Problem Possible cause Possible solution
No
operation
indication No mains connection,
the
ON / OFF
1
switch is
set to position “ 0 ”
Check the connections of the
mains cable. Set the
ON / OFF
1
switch to position “ 1 ”.
No RF
signal Transmitter and receiver
operate in different
frequency ranges Perform a frequency scan (see
page 56) and then synchronize
transmitter and receiver.
The transmission range is
exceeded Reduce the distance between
transmitter and receiver.
Frequency
cannot be
transferred
to the
transmitter The transmitter is not
within the range of the
infra-red interface Place the transmitter at a
distance of approx. 10–20 cm in
front of the infra-red interface.
The infra-red interface of
the receiver is not yet
ready for transferring the
frequency, the receiver is
still in scan mode Keep placing the transmitter in
front of the infra-red interface.
The transmitter is from a
different frequency
range Use a transmitter that matches
the frequency range of the
receiver.
Audio
signal has a
high level
of
background
noise Input gain of the
transmitter/audio
output level of the
receiver is adjusted too
low. Adjust the input gain of the
transmitter/audio output level
of the receiver correctly.
Audio
signal is
distorted Input gain of the
transmitter/audio
output level of the
receiver is adjusted too
high. Adjust the input gain of the
transmitter/audio output level
of the receiver correctly.
The display
does not
switch on The receiver is in standby
mode Press the jog dial
G
.
button
does not
seem to
function
Wrong operating mode Call up the “ live ” or “ ch ”
operating mode before pressing
the
button.