welcome to the board, glad to have you. For a good tuning guide go to
www.eastonarchery.com they have a tuning guide that should pretty much exsplain what you need. Therir are also a few good books around that will help. Their is a good one written by Larry Wise, can't remember the name right now, but many archery shops carry it as well as cabelas.
TAKE YOUR KIDS HUNTING AND YOU WON'T BE HUNTING FOR YOUR KIDS