Sennheiser Car Stereo System EK 300 IEM User Manual
23
If a problem occurs ...
If a problem occurs ...
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.
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”.
www.sennheiser.com under “Service & Support”.
Problem
Possible cause
Possible solution
Diversity
receiver cannot
be operated,
“
receiver cannot
be operated,
“
Locked
”
appears on the
display panel
display panel
Lock mode is activated
Deactivate the lock mode
(see page 10).
(see page 10).
No operation
indication
indication
Batteries are flat or
accupack is flat
accupack is flat
No RF signal
Transmitter and receiver
are not on the same
channel
are not on the same
channel
Set the transmitter and
receiver to the same channel.
receiver to the same channel.
Transmission range is
exceeded
exceeded
Check the squelch threshold
setting (see page 14).
setting (see page 14).
Reduce the distance between
transmitter and receiver.
transmitter and receiver.
RF signal is deactivated
(“
(“
RF Mute
“)
Activate the RF signal
(see the instruction manual
of the transmitter).
(see the instruction manual
of the transmitter).
RF signal avail-
able, no audio
signal, “
able, no audio
signal, “
MUTE
”
appears on the
display panel
display panel
Transmitter is muted
Cancel the muting
(see the instruction manual
of the transmitter).
(see the instruction manual
of the transmitter).
Receiver’s squelch
threshold is adjusted
too high
threshold is adjusted
too high
Reduce the squelch threshold
setting (see page 14).
setting (see page 14).
SR 300 IEM transmitter
is set to mono operation
and therefore doesn’t
transmit a pilot tone
is set to mono operation
and therefore doesn’t
transmit a pilot tone
Deactivate the pilot tone
evaluation (see page 18).
evaluation (see page 18).
SR 300 IEM transmitter
is set to stereo opera-
tion and therefore
transmits a pilot tone
is set to stereo opera-
tion and therefore
transmits a pilot tone
Activate the pilot tone
evaluation (see page 18).
evaluation (see page 18).
Audio signal has
a high level of
background
noise
a high level of
background
noise
Transmitter sensitivity
is adjusted too low
is adjusted too low
Adjust the transmitter
sensitivity correctly
(see the instruction manual
of the transmitter).
sensitivity correctly
(see the instruction manual
of the transmitter).
Audio signal is
distorted
distorted
Transmitter sensitivity
is adjusted too high
is adjusted too high
Adjust the transmitter
sensitivity correctly
(see the instruction manual
of the transmitter).
sensitivity correctly
(see the instruction manual
of the transmitter).
No access to a
certain channel
certain channel
During scanning, an
RF signal has been
detected on this channel
and the channel has
been locked
RF signal has been
detected on this channel
and the channel has
been locked
Set the transmitter operating
on this channel to a different
channel and redo the
frequency preset scan
(see page 15).
on this channel to a different
channel and redo the
frequency preset scan
(see page 15).
During scanning, a
transmitter of your
system operating on
this channel has not
been switched off
transmitter of your
system operating on
this channel has not
been switched off