Service manual
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Coretronic Manuals
Projector
H57
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H57
5-3
Coretronic Corporation
Step3.
Click “Fla
sh” to start the firmware upgra
de procedure a
nd keep press the
projector’s power button
i
mmediately
until downloa
d “gui.hex” to 10%.
Fla
sh
C:\Firmware\Optoma\H57
C:\Firmware\Optoma\H57\
1
...
...
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