Quick Start Guide

EN-20
Take the steps described in the tables below to solve simple problems before contacting
customer service centers.
NOTE:
Immediately turn off the device and disconnect the power adapter if the
device is not working properly. Never try to repair the unit without
authorized personnel for it may damage the unit.
 Troubleshooting
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 cannot
turn on the unit.
The adaptor is not
connected 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.
EN
Irregularity or
instability in
signal receiving.
The built-in rechargeable
battery is weak.
Use the adaptor to supply
power or charge the
battery.
Weak GPS signal
Make sure that you use the
device outside houses and
garages.