Nextar X3-T User Manual - Page 21

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 There is no sound The volume may be turned Turn up the volume. down. There is no picture. The brightness may be turned down. Adjust the brightness of the LCD. Other possibilities: Static or other external interference may cause the unit function abnormally. In order to recover normal status, please unplug the power supply cord and then plug it into the outlet again to reset the unit. If the problems still exist, please cut off the power supply and consult your service center or the qualified technician. 20