I have a Blade 360cfx I'm updating to 2.0.2 from 1.x. The manual says that for the Spirit Pro using DSM2/X that
Channel 1 is Aileron servo
Channel 2 is Elevator
Channel 3 is Pitch

However, the wizard for a Trex 450 says
Channel 1 is Pitch
Channel 2 is Elevator
Channel 3 is Aileron

Which one is correct?

Please check the latest manual here:
http://wiki.spirit-system.com/index.php ... n%C3%AD/en

What you can see in the wizard is definitively correct. You have to select swashplate type your helicopter is equipped with else it will not work.
Trex 450 is not good profile, since it is different helicopter. Selecting a different helicopter can select also wrong swashplate so you have to re-check it.

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Spirit System developer

Another member who owns the same heli recommended I use the Trex 450 profile when I first set up my original Spirit last year. It worked well, but I'm setting it now on the Default profile. I was using the 2.0.1 manual since it was in pdf format on your website. Maybe get rid of that? Thank you