Nextar 4.3 q4 User Manual

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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