If a problem occurs ...
Set 860 | 41
If a problem occurs ...
Problem Possible cause Possible solution Page
The transmit-
ter does not
switch on
No connection to the power
supply system.
Check the connections of the
power supply unit.
14
The head-
phones cannot
be switched on
The rechargeable battery is
empty.
Recharge the rechargeable bat-
tery.
15
The rechargeable battery is
deep discharged.
Recharge the rechargeable battery
for several hours. If the recharge-
able battery is deep discharged,
the charging process might take a
while to start (up to 1 hour).
No sound
No connection to the power
supply system.
Check the connections of the
power supply unit.
14
The audio plug is not properly
connected.
Check the audio plug connection. 10
The audio source is switched
off.
Switch the audio source on. –
The volume of the analog audio
source is either set to the mini-
mum or is on mute.
Increase the volume on the audio
source to at least a medium level/
deactivate the muting function on
the audio source.
–
The audio cable is defective. Replace the audio cable. –
The stethoset receiver is not
correctly paired with the trans-
mitter (e.g. additional stethoset
receiver/receiver).
Pair the stethoset receiver with the
transmitter again.
32
No audio
signal when a
digital audio
source is con-
nected
Cables are connected to both
the digital and the analog audio
input.
Remove the cable from the analog
audio input.
10
The connected digital audio
source uses an incompatible
audio format. The
Transmitter
status
LED flashes white and
blue.
Set the audio format of your audio
source to “PCM”, with a sampling
rate of max. 96 kHz (see the
instruction manual of the audio
source).
–
Occasional
sound drop-
outs, it might
be that you
hear 5 beeps
via the receiver
The stethoset receiver is out of
the transmitter’s range.
Reduce the distance between the
stethoset receiver and the trans-
mitter.
–
The signal is shielded.
Remove obstacles between the
transmitter and the stethoset
receiver.
–
There are interfering devices
(e.g. WiFi router, Bluetooth
devices or microwaves) in the
vicinity.
Change the position of the trans-
mitter or of the receiver.
9
Separate the transmitter from
other wireless devices by at least
50 cm/20".
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