Operation Manual
User Manual of Digital Video Recorder 
87 
5.10 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. 29 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. 30 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. 
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. 
Protect file by setting HDD property to Read-only 
Before you start: 










