Do you mean the paddles at the ends of the flybar?
Typically, they should be level, although some report that having each with a few degrees of up angle helps.
If you are just starting out, there are some links that may help.
[link=http://www.dream-models.com/h/flying-index.html]Radds[/link] will help you get started without breaking as much.
The [link=http://www.rcgroups.com/forums/showthread.php?t=275607]EHBG[/link] has a lot of good information for people looking to learn more about Electric Helis.