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Problem
Reason
Action
Can not power on
Low power
Charge the battery
Power off suddenly
Low power
Touch screen deflected
No sound
Tool low volume
Turn on the volume
Insert the earphone properly
Cannot connect with PC Poor USB cable connection
Refer to the 2.3 chapter, connect the USB cable well.
Calibration is not precise.
Refer to 3.6.6 to calibrate your touch screen.
Poor connection between
the earphone and device
Difficulty receiving
GPS signal
Depending on environmental conditions, the intensity of the GPS signals
will vary.
It may take approximately 1-3 minutes to receive the signal.
Unable to use
navigation function
Contact Customer Service.
Failure to charge
AC adaptor is not
securely attached
Check that the adapter is inserted securely,
and indicator is red.
Power Key invalid,
touch screen and
display abnormal
The system crashes
Press the reset key with stylus pen from the back
of the unit to reset the device.
Charge the battery
6.Troubleshooting
