ViewSonic X100-4K - Firmware Update by USB with FAT32 Format

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Firmware Update by USB with FAT32 Format
NOTE: NTFS format, read only.
1. 
USB device.
2. Plug the USB into the projector, then go to: Home > Seng > Firmware Upgrade
> Soware Update By USB.
3. Select Enter by pressing OK on the remote control.
4. The system will detect the Firmware version and display the above dialog
message.
5. Yes, a progress bar will appear as the update process begins.
6. 
10 minutes.
7. 