Handling and operation
GB
MT
72
KH 2347
Troubleshooting
Safety instructions
WARNING
To avoid danger and property damage observe the following
safety instructions:
Repairs to electronic devices may only be carried out by spe-
►
cialists who have been trained by the manufacturer. Consider-
able danger to the consumer and damage to the headphones
can occur as a result of incorrect repairs.
Malfunction causes and remedies
The following table will help with localizing and remedying minor
malfunctions:
Defect
Possible cause
Solution
The battery
indicator
5
does not light
up/no sound
reduction
The On/Off switch
6
is
in the OFF-Position.
Slide the on/off switch
6
on the left ear
cap
in the "ON"
direction.
Batteries are discharged. Insert new batteries.
No sound
Audio source is not
switched on.
Switch the audio
source on.
The connection cable
plug is not inserted pro-
perly into the connection
socket.
Make sure that the plug
is inserted completely
into the connection
socket.
Mute switching
2
on the
headphones is activated.
Deactivate the mute
switching
2
.
Volume control
4
is set
to "0".
Set the volume control
4
higher.