Program Change Toggle Used to toggle between two separate PC numbers Enter the PC#'s and Channel for which to send your message. When pressing the button associated with this Midi type, the PC# above Max/On will be sent fist then the PC# above Min/Off will be sent on the second press, this process will repeat each time the button is pressed. Switching banks will reset the counter and the PC# above Max/On will be sent with the first button press.