4.6 Video backup
The video backup operation in video backup menu USB port external storage devices,
interface as shown.
[Detection] when you insert a USB external storage device can detect whether the USB
device is correctly identified. If identified correctly, the list should be displayed in the
corresponding device and the correct capacity.
[Backup] tick select the USB external storage device to back up, click the [backup] into the
backup interface, interface as shown
The backup operation