Optoma EP1690 Service Manual page 56

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Procedure
. Choose "Flash
Loader"
2. Click "Browse" to
search the firmware
file. (EP1690)
3. Select the item "Skip
Boot Loader Area
(load all but the first
64KB)."
4. Click "Reset Bus" to
erase the flash
memory.
Note:
If the error message "can-
not open USB driver - No
projectors found" appears,
please replug the USB
Cable and check driver
again and then re-do the
above procedures.
1. If the firmware is
ready, click "Start
Download" to process
the firmware upgrade.
2. Click "Yes" to erase
the flash memory.
Note:
EP690 / OP280 / OP40
5-8
Photo
2
1