ATEN VanCryst VP3520, Руководство пользователя

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Appendix
70

Do not attempt to service the device yourself. Refer all servicing to
qualified service personnel.
 If the following conditions occur, unplug the device from the wall outlet
and bring it to qualified service personnel for repair.
 The power cord or plug has become damaged or frayed.

Liquid has been spilled into the device.
 The device has been exposed to rain or water.

The device has been dropped, or the cabinet has been damaged.
 The device exhibits a distinct change in performance, indicating a need
for service.
 The device does not operate normally when the operating instructions
are followed.

Only adjust those controls that are covered in the operating instructions.
Improper adjustment of other controls may result in damage that will
require extensive work by a qualified technician to repair.