Nextar X3-09 X3-09 Hardware Manual - Page 23

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. POSSIBLE CAUSE POSSIBLE SOLUTION The adaptor is not correctly connected. Connect the adaptor correctly. The built-in rechargeable battery is weak. Use the adaptor to supply power or charge the battery. Unit will not activate after pressing and holding the stand by button when connected to the adaptor for charging. There is no sound. The unit had not been used for a long time and built-in battery was overly discharged Press Reset button to turn the unit on. The volume may be turned down or mute. Turn up the volume or turn on the sound output. Dim screen. The brightness may be turned down. Adjust the brightness of the screen. 22