Optoma EH1060 Service Manual page 44

Delta Elec. Inc. EH1060
Step 3-b. Select the "PW392 Download" button.
If you see below warning message of "No Action", it means that the projector got something
wrong or the RS232 cable did not get well connection.
When "FlashUpgrader.exe" is running, the first window looks like "Fig 2"
Make sure that Connection, COM Port, Baud Rate and Modes are set correctly.
Fig 2
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2010/03/17