COP-USA DVR2716XD-L - Manual (Page 66)

DVR User Manual
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Fig 7-8 File Management Interface
Lock: Select certain file item in the file list box and then click “Lock” button to lock this file that ca not be deleted or overlaid
Unlock: Select a locked file and then click “unlock” button to unlock this file
Delete: Select an unlock file and then click “delete” button to delete this file from file list
7.4.2 Remote Backup
Click Backup button to enter into backup interface. Refer to Fig 7-9: