It is set in the rates screen (AFR/ D/R)
http://manuals.hobbico.com/fut/12z-manual.pdf
Page 72
Hope this helps....
Every set up is going to be different... takes MANY flights to get an IMAC plane set up.
Here are an article for you
http://www.mini-iac.com/InfoCentral/tabid/74/articleType/ArticleView/articleId/122/categoryId/38/Peter-Goldsmith-How-to-reduce-your-flying-workload.aspx
And here is a video to take a look at
https://www.youtube.com/watch?v=gsB8UBBRzUo
As long as you can get past the funky accent!