The picture has the control panel in a lot of shade in the corner with the shadow of an electric wire cutting diagonally across.

Hopefully that wasn't the actual test setup lol.

Edit: h god it is.

https://www.sciencedirect.com/science/article/pii/S259012302...

Bro. I can see that electric shadow wire in figure 1. If that moves across the control panel throughout the day the test is totally bunk.