Optoma EP720 Family Service Manual page 49

5. Select "Edit\preferences\Communications"
- Choose "USB."
- Click "OK."
Choose "Flash Loader."
6.
- Click "Browse" to search the firmware file.
- Select "Skip Boot Loader Area" to 32KB.
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
7. Click "Reset Bus" to erase the flash
memory.
8. If the firmware is ready, click "start
download" to process the firmware
upgrade.
- Click "Yes" to erase the flash memory.
EP720 Family/EP726 Family
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Confidential
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