M3 Series Hardware Manual
Page 21
...been used for charging. Never try to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. No Sound Volume may be turned down Check volume and mute condition Adjust brightness of the LCD screen 20 Charge battery Unit will... provide no power when the ignition is difficult Brightness may be turned to repair the unit yourself. Troubleshooting Before contacting customer service, review the steps below to solve simple problems. If you still suspect something wrong with this unit, immediately turn the unit on.
...been used for charging. Never try to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. No Sound Volume may be turned down Check volume and mute condition Adjust brightness of the LCD screen 20 Charge battery Unit will... provide no power when the ignition is difficult Brightness may be turned to repair the unit yourself. Troubleshooting Before contacting customer service, review the steps below to solve simple problems. If you still suspect something wrong with this unit, immediately turn the unit on.