M3 Series Hardware Manual
Page 21
...yourself. No Sound Volume may be turned to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. The unit had not been used for charging. Problem Unit will not activate after pressing and holding the stand by button when ... for a long time and built-in battery was overly discharged Press Reset button to turn the power off . 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.
...yourself. No Sound Volume may be turned to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. The unit had not been used for charging. Problem Unit will not activate after pressing and holding the stand by button when ... for a long time and built-in battery was overly discharged Press Reset button to turn the power off . 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.