Optoma HD82 Serivce Manual page 66

10. Click "Write", Waiting for 5 seonds, the
image will show "Exit ISP mode ... Finish".
This FW upgrade procedure is completed.
Note: 1. If the fixture version is V32, the PC
can detect the USB driver directly.
2. If the fixture version is V31, you
need to press the "switch" once on
the fixture as the red circle.
3. The fixture version is on the IC as
right picture.
HD82/HD8200 Confidential
5-0