ViewSonic LS850WU User Manual page 45

NOTE:
If the download process fails, please refer to the "Projector Software Update
Firmware by USB" below.
A.
Visit ViewSonic's website to download the Projector Software Update
Firmware :
B.
Connect the USB A cable to the projector and computer.
C.
Continuously press the projector's Power Key and
connected to a power outlet.
D.
The LED will begin to flash, and downloading will restart.
v. The software program will start automatically. Please wait for a few minutes
until it is completed.
vi. Click "Exit" once the update has finished.
CAUTION:
Do not turn off the projector or computer while updating.
6. LAN Firmware Update
i. Visit ViewSonic's website to download the LAN Firmware:
https://www.viewsonic.com.
ii. Upload the LAN Firmware file to the Network Control website.
iii. After finishing the LAN Firmware update, please go to Crestron e-Control®
page and click the "info" button to check the LAN Firmware version.
https://www.viewsonic.com
45
.
Menu Key while