check out bowhuntermag.com ,
They have a page that features video on tunning bows and set-up amongst other things. Two years ago I shot a bow , point , aim , and hope . Now I shoot a complex piece of technology that every little part can alter ther arrival destination of the arrow. Ive been learning alot lately , it never stop's. Just keep asking ???'s and check out the tuning post on the forum.
A knocking point is a must
Good luck