NetworkVideoRecorderwithHDMI
NVR‐820/NVR‐1620
11.5 USB Backup
It’s a function that allows users to back up the recording data in its database file format (not AVI)
to the externally connected USB hard disk.
You can check the “Disk Status” page under “System Options” to see if the USB disk has been
detected by the NVR. If it's available, it will also be in the USB HDD drop-down menu on the
USB backup page.
* It needs a USB disk containing free space larger than 100MB.
Once it’s detected, go back to the “USB Backup” page and it should be available for further
configuration
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