Which light?

[jonnyvermont]

I have the dji phantom 2 vision plus. I am still getting to know this thing, and I am not sure what I am looking at:

For the calibration, the app gives this diagram:

So what am I looking at? Are these the lights below the dji phantom 2 vision plus? It seems to be a drawing of something else.

Thanks!

 

[jonnyvermont]

Thanks!