Check when Hi-Path 4000 switched over to either A or B during the night

[NYPQ-EN]

Hello everyone,

What amo command do I use to see when the Hi-Path 4000 switched over to either A or B during the night and at what time was the switch made?
I also would like to see that in Assistant.

Thanks

 

[Moriendi]

Dis-signl:system;