I think this really needs to go in a sticky =)
not blaming you or anything, but this q comes up like once per week =P it's all good though. Just read back a few pages at the most and you'll find some threads with lots of info. I'm not really a cx2 guy so I can't really help you, but if you can't find it maybe one of these nice cx2 guys could pull it up for ya =)
also check out
http://www.heli-max.net/mediawiki/in..._and_CX2_Setup
for more good cx2 setup info
and welcome =)