Service/Maintenance And Care; Service; Maintenance And Care; Touch Screen Cleaning - D&B D80 Manual

13. Service/Maintenance and care

70

13.1. Service

CAUTION!
Potential risk of explosion.
The device incorporates a lithium battery which may cause danger
of explosion if not replaced correctly.
– Refer replacement only to qualified service personnel
authorized by d&b audiotechnik.
– Only replace with the same type of battery.
Do not open the device. No user serviceable parts inside. In case
of any damage do not operate the device under any
circumstances.
Refer servicing only to qualified service personnel authorized by
d&b audiotechnik. In particular if:
– objects or liquids have entered the device.
– the device does not operate normally.
– the device was dropped or the housing is damaged.

13.2. Maintenance and care

During normal operation the amplifier provides trouble-free service.
Due to the cooling concept no dust filters are required thus no
exchange or cleaning is necessary.
After a period of time the touch screen may require cleaning or
calibration.
For this purpose proceed as follows:

13.2.1. Touch screen cleaning

If the touch screen requires cleaning ...:
– use a soft cloth only.
– do not use any solvent cleaners.
For cleaning very heavy dirt on the panel, it may be helpful to use
a special cleaning spray for TFT screens. In this case proceed as
follows:
1. Spray on the soft cloth before wiping the screen.
Þ Never apply/spray directly on the screen as the liquid
could penetrate the device.
2. Wipe the screen with moderate pressure.
d&b D80 Manual 1.8 en