soul assassin

specifically the new blitz sbc-id boost controller, how did you guys set it up?? jesus this thing has some options but i am getting 2 different boost readings one from the sbc and the one on my greddy boost gauge don't match up its about.10 bar off do you think i have the gain cranked up to high or what? would that even affect it? any tips on how to set htis thing up before i go out and play with it tomorrow would be appreciated.