Optoma EP706 Service Manual page 50

No Step
9 Next 1. When Firmware
2. Unplug RS232
0 Check Restart the unit
Firmware and press "up" and
"down" buttons
simultaneously to
check the Firmware
Version.
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Procedure
Upgrade Process
is finished, the
LED power light
on.
Cable and Power
Cord. Re-plug in
Power Cable.
5-9
Photo
EP706/709