Here is a pic of my power commander. The bike runs good and apparently has the correct program for the pipe and Air box. I didn't get any information or "plug in" with the PC3 as I bought it used. Am I able to tweak the PC3 without the use of a computer by using the 3 "buttons". If so could anybody please tell me how. I'm not even sure how the "buttons" work and haven't messed with them. I see there is Low, Mid and High rpm. thks