User Manual
Record & Disk Management 
  NVR  User  Manual 
39 
Each group can add the disks and cameras from other groups. Each disk and camera can only be added into one group. Select a disk group and then 
click    in the disk or camera row to pop up a window. Check the disks or cameras in the window and then click “Add”.   
For the model with 2 or 4 HDD slots, BK group can be added. 
Click    to add the backup HDD. After account verification, select a HDD and then this HDD will be removed from the normal group to the 
backup group. Simultaneously, it will be formatted. Please back up all data of this HDD in advance when you want to remove it to the backup group. 
You can add cameras to this HDD. The added cameras can exist and be recorded both in one HDD of the normal group and the backup group. 
Note: Each HDD only can exist in one group. 
7.4.3  View Disk and S.M.A.R.T. Information 
Click StartSettingsDiskView Disk Information to view the HDD information; click “S.M.A.R.T. Information” to view the working status of the 
HDD. Refer to the picture below. 










