Help on setting an apexi AVCR

okay me and my buddies hooked up the avcr but dont know how to set it…the boost just keeps rising…does anybody know how to set an avcr? u can email me at coolstyls@aol.com so u dont have to waste any bandwith…i did a search but didnt find anything on how to set it…thanks

http://www.apexi-usa.com/productdocumentation/electronics_savcr_ins.pdf