Optoma EX785 Service Manual page 70

Delta Elec. Inc.
Step 5: The Flash-Tool 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 6: Press the "Start" button to update the flash with the chosen firmware.
A warning message box will appear for confirmation. Press <OK> to continue.
Step 7: The last warning message box appears, this is the last chance to stop the update.
Press "OK" button to start the firmware update.
Caution:
DO NOT install any USB driver when erasing or upgrading process started.
Company Confidential
70
EX785_ EW775
The "Start" button
Optoma___________________ Delta________________
2010/01/05