I need some help setting up some of my guitar gear. I have recently started playing guitar again after about a twenty year hiatus. When I played before I was in my teens and had no money for anything other than a practice amp to plug my guitar into. The grass is greener now and I have a line6 M13 stompbox modeler and have just purchased a Vox AC30C2 that has an effects loop. I was wondering if someone familiar with the M13 might be able to walk me through setting everything up. I tried setting it up myself and all I got was awful feedback. I don't really have a firm understanding of the fx loop and would appreciate any advice.... Thanks......