Optoma EX762 Service Manual page 59

(6) Click "Finish", then the USB driver has
been installed successfully.
Note: - If you have installed the USB driver, there
is no need to perform this action.
(6)
5-1-5 Firmware Upgrade ��rocedure
TM
1. Execute the "DLP Composer Lite 9.2" file.
2. Click "Edit" and "Preferences".
EX762/EW762 Confidential
5-5