User`s manual

Troubleshooting 51
Chapter IX Troubleshooting
Please carry out the following operations in case of abnormal operation of
the GPS navigator. For further problems, please contact our customer
service center.
Fault Reason Solution
Low battery Supply external power and
charge the battery.
Startup failure
System down Reset the GPS navigator.
Sudden power cut Low battery Supply external power and
charge the battery.
Low backlight Turn up the backlight. No/ vague display
Backlight off Tap the screen with the touch
pan.
Incorrect tapping
response
Touch screen
not calibrated
Recalibrate the screen.
Low volume Turn up the volume. No sounds
Poor contact of
earphone
Connect the earphone.
Communication
with PC
Poor USB
connection
Connect the USB cable.
GPS signals
reception failure
Poor GPS signal About 3 minutes are needed for
low intensity of local GPS
satellite signal.
Loss of map data Accidental
deletion
Contact your agent or
distributor.
Input a new password after
recovering the GPS data.