This screen appears after you have chosen a Preset. Turning the 4 knobs now change the values of the synth parameters shown in the squares at the corners of the screen. The Controller list in the center of the screen allows you to choose sets of parameters to view and alter. | This screen appears after you have chosen a Preset. Turning the 4 knobs now change the values of the synth parameters shown in the squares at the corners of the screen. The Controller list in the center of the screen allows you to choose sets of parameters to view and alter. |