Troubleshooting in brief
Problem
Nothing happens when
you try to start the unit.
No sound can be heard in
the headphones when the
unit is switched on.
No sound can be heard in
the headphones when the
unit is switched on and
External Sound is selected.
A high-pitched noise is
heard in the headphones.
For further information about the product in English, refer to the Appendix.
Solution
•
Connect the charger and check that charging
starts within 10 seconds.
Please note! If charging does not start within
10 seconds, disconnect the charger imme-
diately and contact your nearest dealer!
•
Turn up the volume using the volume control
(9).
+
•
Check that the internal microphone has been
selected as the signal source and that it works
by gently scraping on the microphones (1).
•
Check that the headphone plug is securely
inserted in the headphone output.
•
Connect the headphones to another sound
source (with a 3.5 mm headphone output) to
test whether the headphones are working.
•
Check that the sound source is correctly
connected to the unit if the stereo cable is
connected to the External Sound Source Input
(16).
•
Turn down the volume or increase the distance
between the microphone and headphones.
•
Direct the microphone away from you.
EN
25