Network Video Recorder User Manual 
87 
5.10 Files Protection 
Purpose: 
You  can  lock the  recording files or set the HDD property to Read-only  to protect the  record files  from being 
overwritten.   
5.10.1 Locking the Recording Files 
Lock File when Playback 
Steps: 
1.  Enter Playback interface. 
Menu> Playback 
2.  Check the checkbox of channel(s) in the channel list and then double-click to select a date on the calendar. 
 
Figure 5. 27 Normal Playback 
 
3.  During playback, click the    button to lock the current recording file. 
 
In the multi-channel playback mde, clicking the    button will lock all the record files related to the 
playback channels. 
4.  You can click the    button to pop up the file management interface. Click the Locked File tab to check 
and export the locked files.