Service; Maintenance; Trouble Shooting - Beyerdynamic Headzone Home Notice D'utilisation

13. Service

In the unlikely event of equipment failure, the product should be returned to your beyerdynamic
dealer. Unauthorised attempts at repair may invalidate the warranty.

14. Maintenance

• Use a slightly moistened or dry cloth for cleaning the device. Do not use any solvent cleaners,
as these could damage the surface.
• From time to time you should clean the ear pads of the headphone with a soft, damp cloth.
Use clear water only, no detergents. Make sure not to allow any water to enter the transducer
elements. As ear pads wear out eventually you should replace them if it becomes necessary.

15. Trouble shooting

To restore the factory settings of your Headzone
the following:
• Switch the HBC 1 base station with the standby button
appropriate LED will illuminate red.
• Press and hold the multifunction control
standby button .
• The "Value" LEDs
• Release the multifunction control
• The factory preset is restored.
Problem
Head tracker resets
autonomously.
Head tracker does not work
properly (small operating
range or head tracker "jumps
around").
will start illuminating in sequence (running lights).
.
Possible cause
• Bad ultrasonic transmission
between head tracker of
DT 880 HT and HR 1 head
tracking receiver.
• Bad ultrasonic transmission
between head tracker of
DT 880 HT and HR 1 head
tracking receiver.
• Reflections of the ultrasonic
signal lead to misinter-
pretation in the HR 1 head
tracking receiver.
® Home system, please proceed as described in
into the standby mode. The
while turning the HBC 1 base station on with the
Solution
• Check the position of the
• Remove obstacles or
• Try a different position for
- 49 -
HR 1 head tracking receiver.
change the positioning of
the HR 1 head tracking
receiver.
the HR 1 head tracking
receiver.