Troubleshooting
Take these 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
User can’t turn the unit on.
There is no sound.
Dark screen.
The unit can’t receive satellite signals or can’t orient.
POSSIBLE CAUSE |
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| POSSIBLE SOLUTION |
The adaptor is not correctly |
|
| Connect the adaptor |
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| ||
connected. |
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| correctly. |
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|
|
The |
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| Use the adaptor to supply |
|
| power or charge the | |
battery is weak. |
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| |
|
| battery. | |
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|
| |
The volume may be turned |
|
| Turn up the volume or turn |
|
| ||
down or mute. |
|
| on the sound output. |
The brightness may be |
|
| Adjust the brightness of the |
|
| ||
|
| ||
turned down. |
|
| LCD. |
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|
| Make sure to use the unit |
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|
| |
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|
| |
The unit may be obstructed |
|
| out of room; if in the |
by buildings or metal block. |
|
| vehicle, you can use the |
|
|
| external GPS antenna to |
|
|
| solve this problem. |
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|
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|
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