The guide that soloboss posted up is a must read for any cx-cx2 owner. Once you get your heli all setup and flying again you should also check out these links.

Flying Tips
http://www.krshobbies.com/tips.html

Flight School
http://www.dream-models.com/eco/flying-index.html

Tips/Repair/Guides/Mods Links
http://www.rcuniverse.com/forum/m_70.../tm.htm7035042

You'll find that everyone in here is a great help and if you ever have a question they'll have it answered. Good luck.