X3-03Hardware Manual
Page 22
... something wrong with this unit, immediately turn the unit on. Weak battery The unit had not been used for charging. 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 21 No Sound Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to repair the unit yourself.
... something wrong with this unit, immediately turn the unit on. Weak battery The unit had not been used for charging. 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 21 No Sound Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to repair the unit yourself.