User Manual
Page 20
... is difficult to solve simple problems. If you still suspect something wrong with this unit, immediately turn the unit on. Troubleshooting Before contacting customer service, review the steps below to see Volume may be turned down or muted Brightness may be turned down Check volume and mute condition Adjust brightness of... the LCD screen 20 No Sound Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to repair the unit yourself.
... is difficult to solve simple problems. If you still suspect something wrong with this unit, immediately turn the unit on. Troubleshooting Before contacting customer service, review the steps below to see Volume may be turned down or muted Brightness may be turned down Check volume and mute condition Adjust brightness of... the LCD screen 20 No Sound Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to repair the unit yourself.