Nextar 4.3 Q4 - Manual (Page 21)

21
Take steps described in the tables below to solve simple problems before contacting
customer service.
If you suspect something wrong with this unit, immediately turn the power off and
disconnect the power connector from the unit. Never try to repair the unit yourself
because it is dangerous to do so.
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.
The unit can’t
receive satellite
signals or can’t
orient.
The unit may be obstructed
by buildings or metal block.
Make sure to use the unit
out of room; if in the
vehicle, you can use the
external GPS antenna to
solve this problem.
Users can’t turn
on the unit.
The adaptor doesn’t
connect well.
Connect the adaptor
correctly.
The built-in rechargeable
battery is weak.
Use the adaptor to supply
power or charge the
battery.
Dim screen.
The brightness may be
turned down.
Adjust the brightness of the
LCD.
Troubleshooting