Focusrite Scarlett Solo 2nd gen?

[GimaS]

In microphone mode, the card works only with the first channel. Unfortunately, this connector is XLR and the guitar is not connected to it. How can I switch the channel in the game?

[Paladin]

I have a scarlett 2i4 I use it only to drive my FRFR monitors. I use RS Cable for the game. Works fine on my Mac. I don't think you can switch the channel in the game. (Windows?)

In Mac I can set the channel before the game starts up and it will use that channel. I can't switch after the game has started. So try it outside the game first, then start the game.