Document  Version:  V1.3 
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The diagnosis result is displayed on the right side of the page. See the following figure. 
 
4.7.6  Device Maintenance 
Navigate to Maintenance > Device Maintenance. 
You can perform maintenance operations on the NVR here, such as enabling or disabling SSH 
debugging, scheduled reboot, restoring default settings, and restoring factory settings. 
SSH Debugging 
Secure Shell (SSH) is a protocol used to realize secure remote access and file transfer services 
through encryption mechanisms and authentication mechanisms. This NVR supports the SSH 
server function and accepts SSH client connections. 
By default, SSH debugging is disabled.