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Troubleshooting
RS 165 | 25
Troubleshooting
Sound problems
Problem Possible cause Possible solutions Page
No sound
Headphones are switched off. Switch the headphones on. 19
No power connection.
Check the connection of the power supply
unit.
15
Headphones are muted. Deactivate the muting function. 20
Audio plug is not properly connected. Check the audio plug connection. 11
Audio source is switched off. Switch the audio source on. –
Volume of the analog audio source is
either set to the minimum or is on mute.
Increase the volume on the audio source
to at least a medium level/Deactivate the
muting function from the audio source.
–
Audio cable is defective. Replace the audio cable. –
Headphones are not correctly paired
with the transmitter (e.g. additional
headphones).
Pair the headphones with the transmitter
again.
22
Sound
dropouts/
no sound
Headphones are out of the transmitter’s
range.
Reduce the distance between
headphones and transmitter.
–
Signal is shielded.
Remove obstacles between the
transmitter and headphones.
–
There are interfering devices
(e.g. WLAN routers, Bluetooth devices
or microwaves) in the vicinity.
Change the position of the transmitter
or of the headphones.
11
Ensure that the transmitter is separated
from other wireless devices by at least
50 cm/20”.
–
Sound is too
low
Headphone volume is adjusted too low. Increase the volume on the headphones. 20
Volume of the analog audio source is
adjusted too low.
Increase the volume on the analog audio
source to at least a medium level.
–
Sound only on
one ear
Audio cable is not properly connected. Check the plug connection. 11
Audio cable is defective. Replace the audio cable. –
Sound is
distorted
Signal of the audio source is distorted. Reduce the volume of the audio source. –
Headphone volume is adjusted too high. Reduce the volume on the headphones. 20
Volume of the analog audio source is
adjusted too high.
Decrease the volume of the analog audio
source at least to a medium volume level.
–