Optoma HD710 Service Manual page 58

9. Proceeding Picture.
10. When firmware upgrade process is
finished, the unit return to stand-by
status. the LED power lights on and
appears blue.
- Unplug USB cable and power cord and
replug in power cable.
11. Restart the unit and enter the Service
mode to check the firmware version.
(To enter Service mode, please refer to
Chapter 4 Function Test and Alignment
Procedure.)
HD71/HD710/HD75 Confidential
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