Lorex E841CD camera - motion detection?

[antamy]

I have E841CD cameras, late 2020 vintage, and I'm trying to enable motion detection on them for use with Google AI assistant and Frigate. I have motion enabled as an event, Region1 in Area is all colored red, but I never get a snapshot. Does anyone else have this working on one of these cameras? Or is this just something that's on the web config page for the camera but not actually implemented?

appAutoStart=true
deviceType=E841CD
hardwareVersion=1.00
processor=SSC328Q
serialNumber=ND012102054897
updateSerial=IPC-HDW2831TP-AS-S2
updateSerialCloudUpgrade=IPC-HDW2831TP-AS-S2:01:02:05:9E:3D:00:01:10:01:00:04:400:00:00:00:00:00:01:00:00:100

Thanks for any insights!