I'm trying to use 3 loopers for an A section, B Section, and a C section. I use the softstep midi pedal. How do i set it so pedal 1- records looper 1 also stops looper 2(sectionB) also stops Looper 3(c section) Pedal 2- records looper 2 also stops looper 1(sectionA) also stops Looper 3(c section) pe...