Help, none of my IPC-HDW5231R-Z, IPC-HDW5231R-ZE, IPC-HFW5231E-Z5 seem to show IVS lines, snapshots or trigger recording on the NVR5216. I've searched this forum and see numerous others are having this same issue. I've set up IVS and a SMART PLAN within each camera and confirm triggering with...