User Manual of Digital Video Recorder 
 
67 
5.8  Files Protection 
Purpose: 
You can lock the recorded files or set the HDD property to Read-only to protect the record files from being 
overwritten.   
Protect file by locking the record files 
Steps: 
1.  Enter Playback setting interface. 
Menu> Export 
 
Figure 5. 26 Export 
 
2.  Select the channels you want to investigate by checking the checkbox to  . 
3.  Configure the record type, file type, start time and end time. 
4.  Click Search to show the results. 
 
Figure 5. 27 Export- Search Result 
 
5.  Protect the record files. 
1)  Find the record files you want to protect, and then click the    icon  which will turn  to  , 
indicating that the file is locked. 
Note: The record files of which the recording is still not completed cannot be locked. 
2)  Click    to change it to    to unlock the file and the file is not protected.