In Performance mode, the MIDI module provides an on-screen keyboard that can be used to assign MIDI note numbers to store and recall the current state of Synchronic settings. You can also recall stored combinations of Synchronic presets and settings by clicking the corresponding key on the on-screen keyboard.Click the left arrow to transpose the on-screen keyboard down an octave or click the right arrow to transpose the on-screen keyboard up an octave. This lets you readily assign Synchronic preset snapshots to any and all octaves of your MIDI keyboard.Displays the current octave transposition of the on-screen MIDI keyboard. C3 is middle C.