Optoma EX542 Service Manual page 68

9. If the FW is ready, click "Start Download" to execute
the firmware upgrade.
- Click "Yes".
10. Proceeding Picture.
11. It takes about several minutes, the
firmware upgrade process is finished, "Download
completed" will appear on the screen.
- The projector will automatically turn on.
12. 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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