Optoma HD72 Serivce Manual page 42

No Step
8 Proceed-
ing
9
10 Check
Firmware
Procedure
Proceeding Picture
1. When Firmware
Upgrade Process is
finished, the LED
power light on.
2. Unplug USB Cable
and Power Cord.
Re-plug in Power
Cable.
Restart the unit and
enter the Service Mode
to check the Firmware
Version.
(For entering Service
Mode, please refer to
Chapter 4 Function Test
and Alignment Proce-
dure.)
Photo
5-8 HD72