Planet Networking & Communication NVR-810 User Manual page 44

If cameras are marked with "*" in the search result, it means those
cameras are already configured and connected to NVR.
Add a camera manually
Simply follow the instruction described above but instead of using the "Search"
function, enter the camera's IP address and credential in the "Camera
Information" manually, then follow step 5 and 6 described above.
2.
1.
Enter manually