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. Problem Unit will not activate after pressing and holding the stand by button when connected 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. No...
...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. Problem Unit will not activate after pressing and holding the stand by button when connected 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. No...