Thanks a lot! Your answer really helped me. I knew that the names of the pitches of the trumpet are a whole step up, but I was never taught how to transpose from one key to another for the trumpet (why F major goes to a G major, no idea).

You said that my software correctly transposed to the right key, but

The software however did not change the notes.

I figured now how to correctly use it. There’s a button labeled “Concert Pitch”, I just have to click it, write the whole score in concert pitch and click it again, then it goes to the transcribed trumpet version. Just tried it and it worked, it says now G – F – G – E – F – G – …

Thanks a lot! I really don’t know why the methods book I have simply don’t spend 1-2 pages explaining about this..