ViewSonic EP4220, User Manual

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5. Auto Copy of Files
This version supports auto copying files from one USB drive to another USB drive or SD card. Create a new file
with name COPY.TXT(all capital), and copy all the new files into the USB drive and insert to the USB port of the
display. The new content will be automatically copied to the current storage. You will see image as following:
Format Usb?
Yes NO
Press the Left/Right key to select and press MENU key to confirm selection. If there is no selection within 10
seconds, the system will execute “NO” option to copy the new content to the current storage.
YES: Format the current drive first, and copy the new contents in.
NO: Copy the contents in without format the current drive. The files with same name will be replaced by new
file.
Note
: Folders can not be supported for this auto copy function. Only single files under root directory.
6. One Key Upgrade
Copy the upgrade software to the USB drive and insert the USB drive to the board of display, then press the
MUTE key for about 5 seconds, then it will go to auto-upgrade progress. It will take about 2minutes for the
upgrade, after it is done, the display will reboot automatically.
Note: Please do not power it off during the upgrade. After the upgrade, please reset to factory default setting,
otherwise the panel will be a little bit dark.