Your welcome.

This has a good write up for it.
http://www.helihobby.com/html/throttle_curve.html

I think these videos are the easiest way to learn about set up of helicopters. It will take a good amount of the day to watch all of them if you want. You have to register to helifreak to watch them. Go to the Pitch and Throttle Curves 101.
http://www.helifreak.com/showthread.php?t=41692

Nick