M3 Series Hardware Manual
Page 21
... difficult Brightness may be turned 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 Problem Unit...overly discharged Press Reset button to turn the power off . The unit had not been used for charging. 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. Never try...
... difficult Brightness may be turned 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 Problem Unit...overly discharged Press Reset button to turn the power off . The unit had not been used for charging. 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. Never try...