LT Security LTD2516HD-C - Manual (Page 75)

69
Digital Video Recorder User Manual
Fig 7-9 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