Hey everyone, Thanks for taking the time to look at my post. I have SR400qm and need clarification on the control that changes focus between rear and forward pickup. Like the other knobs, it has a helpful "notch" to let you know when it is centered. My question is, when the knob is turned all the way toward the rear pickup, is it supposed to be soundless or ONLY the rear pickup? If it's the latter, I'm going to have to get a solder gun and fix some connections I think... Because, as it is, when I roll the knob all the way back, there's no sound at all going the amp. Yet, when I roll it slightly forward, I start getting sound from (What I think) is the rear pickup. The sound is nice and crisp from there, centered, and forward. Thank you in advance, Mic.