PRESTIGIO GeoVision 5050 - Инструкция (Страница 57)

EN-17
Take steps described in the tables below to solve simple problems before contacting
customer service.
NOTE:
Immediately turn off the device and disconnect the power adapter if the
device is not working properly. Never try to repair the unit without
authorized professionals for it may damage the unit.
Troubleshooting
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
There is no
sound.
The volume may be turned
down or mute. Turn up the volume or turn
on the sound output.
Users cannot
turn on the unit.
The adaptor is not
connected well. Connect the adaptor
correctly.
The built-in rechargeable
battery is weak.
Use the adaptor to supply
power or charge the
battery.
There is no
picture.
The brightness may be
turned down.
Adjust the brightness of the
LCD.
The unit cannot
receive satellite
signals or cannot
orient.
The unit work may be
obstructed by buildings or
metal blocks.
Make sure to use the unit
outdoors; if in vehicle, you
can use the external GPS
antenna to solve this
problem.
EN