Hiya Summers.
I've set mine by just using the in-game axes settings in controls menu. Click the pitch axis, move the wheel and it should map it then and there.
I also mapped the mixture to the wheel on the front of the throttle, which is handy.
If you mean setting it up in the logitech profiler, someone else will have to answer as I never use it, I'm afraid.
Edit: If you mean mapping pitch to the two hat switches, I'd say use the wheels rather than the hat switches.