YF PF08-5004HD/T, Руководство пользователя

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Appendix 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 pen.
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
Weak GPS satellite
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.