Optoma EP721 Family Service Manual page 52

3. Programming
- key in the serial number into the barcode
blank space.
- In "Write Source Select," make a check
in "VGA1","VGA2"and "DVI".
- Click "Program".
4. Change the cable to VGA1
- Message box appears on the screen,
then click "OK".
5. Change the cable to VGA2
- Message box appears on the screen,
Unplug VGA Cable to connect to adapter
then plug in DVI port. After finish above
action, click "OK".
6. Change the cable to DVI
- Message box appears on the screen,
unplug the adapter then plug the DVI
Cable.After finish above action, click
"OK".
7. When the EDID program is completed,
a message "OK" will appear on the screen.
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Confidential
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