GoShockFree GSFS16, User Manual, Page: 44 / 45

Page 43
Appendix Troubleshooting
Please carry out the following operations in case of abnormal operation of the
GPS navigator.
Fault Reason Solution
Startup failure Low battery Supply external power and charge the battery.
System down Reset the GPS navigator.
Sudden power cut Low battery Supply external power and charge the battery.
No/ vague display Low backlight Turn up the backlight.
Backlight off Tap the screen with the touch pen.
Incorrect tapping
response Touch screen not
calibrated Recalibrate the screen.
No sounds Low volume Turn up the volume.
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 the seller for instructions on how to
restore the maps.