InFocus JTouch 50 Hardware Manual page 51

Advanced settings
System
Security
Additional options for USB, Cloud drive and other locks are possible along with allowing manual installation of
APK files.
Unknown sources when active will allow users to download APK files and manually install the applications
onto the display. By default this is not enabled.
External USB lock when enabled will prevent users from saving files to a USB drive inserted in the display.
This prevents files from being copied or other images, documents being saved to a USB device.
Internal Storage Lock when enabled will prevent any files, annotations, drawings being save to the internal
storage of the display. This is normally used if the device is to only allow saving to USB devices or if the
display is used in confidential locations.
Cloud Drive lock when enabled will prevent any files being saved to the cloud storage accounts that are
configured on the display
Samba/FTP lock when enabled will prevent the saving of files from the display to a remote connection
storage location on a server.
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