M3 Series Hardware Manual
Page 21
... turned to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to turn the power off . Troubleshooting Before contacting customer service, review the steps below to the adaptor for a long time and built-in battery was overly discharged Press Reset...
... turned to see down or muted Screen is off , disconnect the power connector from the unit, and contact Nextar Customer Service. Never try to turn the power off . Troubleshooting Before contacting customer service, review the steps below to the adaptor for a long time and built-in battery was overly discharged Press Reset...