In order to receive Astra 1 and Astra 2 signals, I have 2 quad LNBs on one dish, fed to 4 different rooms via a switch (type unknown – hidden in the roof)
With my Medion set top box, I receive all FTA English and German channels without any problem.
Using ProgDVB (currently 6.48.01) with either of ...

Progdvb 5.12.3 / 5.13.04 finds astra 1 channels easily, but will not find anything on Astra 2, whatever combination of diseq settings I use. It even finds astra 1 when set only to search Astra 2.

The Scan transponder window is also unable to yield any results.

I assume this is a diseq setting ...