Also, make sure that you enter these messages in the order shown. They will not work if your MC-303 receives them in the wrong order. Mono sounds will only play one note at a time. Portamento is an effect that causes a pitch slide between notes. This works great on synth leads and some bass sounds.
Higher values create longer slide times.
Selects RPN function. Selects pitch bend as the parameter you want to adjust. CC06 XX Sensitivity in half steps. The range is 0-24. Fine Tuning With the fine tuning Registered Parameter Number function, the MC-303 can be tuned to match another instrument.