The NVR access can be protected by various authority levels; the user can add various user levels, and change them different accessing authorities. 256 users and 64 groups can be registered with various authority levels.

Please refer to manuals at Download Center https://www.idisglobal.solutions/downloads/

NVR DR-2/4/6000 series manual: Part 3 – Configuration > User

On the NVR, go to Settings > System > User