What does the cascade setting on the NVR Network menu do?

This feature is added to control another NVR’s output displayed channels with a PIH-931D keyboard.

For example, I have two NVRs (NVR1 & NVR2). I connect the keyboard to NVR1 and added NVR2’s IP address to the NVR1’s “NVR Cascade Table” and then enable it. If I use the keyboard to select “DVR ID=1”, then I can change the NVR2’s displayed channels to 4 division, 8 division or 16 divisions and so on.


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