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Troubleshooting
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Troubleshooting
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Take steps described in the tables below to solve
simple problems before contacting customer
service.
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.
Users can't turn on the unit.
-
Connect the adaptor correctly.
-
Use the adaptor to supply power or charge the
battery.
There is no sound.
-
Turn up the volume or turn on the sound
output.
There is no picture.
-
Adjust the brightness of the LCD.
The unit can't receive satellite signals or can't
orient.
-
Make sure to use the unit out of room; if in the
vehicle, you can use the external GPS antenna
to solve this problem.
The unit can receive signals now but can't then;
signals received are not stable.
-
Use the adaptor to supply power or charge the
battery.
-
Remove the veil.
-
Avoid great swing of the unit.
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