i have a greddy profec B spec2 boost control unit but dont understand how to use it correctly
anyone here have one that can tell me the basics, like how do i work out what psi or bar its set at and how to adjust correctly

 

http://www.alamomotorsports.com/gred...EC_B_SPEC2.pdf

 

thanks maye, i actually have a manuall with it but cant make any sense of it