dhi-nvr4216

Hi all, I have 8 cams (mixed Dahua AI, Imou, some Aliexpress) and a NVR4216-4KS2 NVR. All is fine, AI works where it should, motion detection works fine. recently I bought a VTO2311 with VTH2611 and I added the VTO to NVR as channel 9. My expectation was, that NVR will record VTO video when...