Network Video Recorder User Manual 
89 
 
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. 
 
Figure 5. 31 Unlocking Attention
 
5.10.2 Setting HDD Property to Read-only 
Steps: 
1.  Enter HDD setting interface. 
Menu > HDD 
 
Figure 5. 32 HDD General 
 
2.  Click    to edit the HDD you want to protect.