Optoma EP783 Service Manual page 69

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7. Click "Reset Bus" to erase the flash
memory.
Note: If the error message"cannot open USB
driver - No projectors found" appears,
please unplug the USB Cable and replug,
then check Driver. Finally, repeat procedure.
8. If the Firmware is ready, click "Start
Download" to execute the firmware
upgrade.
- Click "Yes".
9. Proceeding Picture.
10. It takes about several minutes, the
firmware upgrade process is finished,
"Download completed" will appear on the
screen.
- Unplug USB cable and power cord, and
replug in power cable.
EP783/EP783S/EP783L/OPX5000/TX783L/TX783S Confidential
5-

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