M3 Series Hardware Manual
Page 21
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. Charge battery Unit will ... power when the ignition is difficult Brightness may be turned down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to see down Check volume and mute condition Adjust brightness of the LCD screen 20 No Sound Volume may be turned...
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. Charge battery Unit will ... power when the ignition is difficult Brightness may be turned down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to see down Check volume and mute condition Adjust brightness of the LCD screen 20 No Sound Volume may be turned...