Optoma EX542 Service Manual page 63

7. If the FW is ready, click "Start Download" to
execute the firmware upgrade.
- Click "Yes".
8. Proceeding Picture.
9. It takes about several minutes, the
firmware upgrade process is finished,
"Download completed" will appear on the
screen.
- The projector will automatically turn on.
- Unplug USB cable.
10. Check FW version.
- Get into the service mode to check the
firmware version.
(To get into service mode, please press
"Power", "Left", "Left" and "Menu" buttons
sequentially.)
EX540/EX542/EX612/EX615/EX762/EX540I/EX542I/ES523ST/EW533ST Confidential
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