The layout is vol,vol, for each pickup, and then master vol,(3rd nob) and then one filter for each pickup, and then one CVQ for each p/u, and the toggle is for stand by, and, or batterys(if im not using the power cable) .( basic sreiesII controls without p/u selector switch)..and notice the two little holes on the plate? those are gain adjusters , the CVQ adjusters are within the electronics cavity. and it takes two 9volts.