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Take steps described in the tables below to solve simple problems before contacting
customer service.
If you suspect something wrong with the unit, immediately turn the power off and
disconnect the power connector from the unit. Never try to repair the unit yourself
because it is dangerous to do so.
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 can’t turn
on the unit.
The adaptor doesn’t connect
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 can’t
receive satellite
signals or can’t
orient.
Buildings or metal block
may obstruct the unit.
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 built-in GPS antenna is
not open or it’s angle is not
correct.
Rotate the built-in GPS
antenna out until it’s
horizontal (parallel with the
ground) and make sure it
maintains the status.
Troubleshooting
