I don't really know what to say. I see it a lot. You spent how many Hundreds of dollars and don't even know how to adjust the weight? Didn't you get an owner's manual with it? This kind of info should be in there.

In case you don't know it the difference between bow technicians at shops and the average person is that we just get our tools out and do what it takes to get the results. Sometimes we don't actually know what dos what until we try.