I just bought the sms122 with the regulator package. I read all the manuals and I still dont get it. What do I do first? What do I set the controller at before I calibrate it. And what I'm I looking for before I fiddle around the the screw in the back. The fluid that came with it is 7.01 how much do I use and would I have to buy the 4.01 too. I need help guys, thanks