Nextar X3I-02 X3i-02 Hardware - Page 22

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 POSSIBLE CAUSE POSSIBLE SOLUTION Users can't turn the unit on. The adaptor doesn't connect well. The built-in rechargeable battery is weak. Connect the adaptor correctly. Use the adaptor to supply power or charge the battery. There is no sound. The volume may be turned down or mute. Turn up the volume or turn on the sound output. Dark screen. There is no power supply. Connect the adaptor correctly or charge the battery. 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. 22