Pete,
As you devined I assumed the same joystick toggle would control the tiller on the ground and then as speed increased, gradualy transfer it's effect from nosewheel to rudder.
So I have to find another control on the X45 to become the tiller to steer the nosewheel? But that begs the question what purpose is the transfer then, if there are discrete controls for each. It would be up to me to apply rudder inputs as the rudder got sufficient airflow, as in the real thing. I could also still steer the nosewheel in the air if I wanted to!
I have read what seemed the relevant sections of the instructions, but as I say it is (necessarily) complex and it didn't make much sense at the first pass.
If you can clue me in that would be helpful.
Strangely I did have a working config, just by settings in FS, before I had to reset FS to default. I can't seem to acheive those now, hence turning to FSUIPC.
Nigel