This article covers how to set up motion detection recording on older NVRs:
SRN NVRs
QRN-410S
QRN-810S
QRN-1610S
XRN-410S
XRN-810S
XRN-1610S
XRN-2010
XRN-2011
XRN-3010
PRN-2011
For newer models of NVRs please see this article
You can enable motion detection for each camera here:
Ensure motion detection is enabled for the camera by ticking the MD box
You can set up the detection area, object size and sensitivity here too
Ensure the camera is set to Event or Continuous & Event recording
And ensure the NVR is set to log motion detection events:
The NVR will now record motion detection events
Troubleshooting
If its not working, ensure motion detection events are occurring on the camera and NVR
Camera logs:
NVR logs: