This guide is based on you knowing the IP address of your Camera.
Once these settings have been updated you should now be able to add your camera to your NVR using the IP address and the user you have created following these steps.
Login using the credentials you have set. If you have not setup your username and password you will need to complete this first.
On this page you will need to click Integration Protocol on the top right of the page and then Tick Enable ONVIF
Media user, Operator user and Administrator user is selectable. Enter your user name and password and select the Administrator user level. This will be the username and password you will use when adding the camera to the NVR.
You will now see the user displayed in the userlist like above. You should now be able to successfully add your camera to the NVR.