I am new to NVR's and just installed my home system.
I have 2 static cams and 2 ptz's
The NVR is a DHI-NVR5216-16P-4KS2E firmware V4.002.0000000.6.R, Build Date: 15-11-2022
The 2 PTZ's are both DH-SD3E405DB-GNY-A-PV1 one has not been updated, the other is on the latest firmware.
I have done...