Optoma EX774 Serivce Manual page 40

Step 4-1:.The Flashtool will validate the signature of the binary image file for upgrading. The "Start" button will not
enable if the binary image is not a valid projector firmware.
Step 5: Press "Start" button to start flash the firmware into projector, the warning message box will appear to get
your confirmation. Press <OK> to continue.
Step 6: The last warning message box appears, this is the last chance to stop the update, press "OK" button to start
the firmware update.
Company Confidential
Use img file type for
firmware binary data
The "Start" button
Optoma_______________________
40
Rev. 00
Delta____________
2008/07/02