4.Below you will see the drop down menu for the midi input. It will be labeled MIDI From. Generally you can leave this set to All Ins, however if need be choose the specific input for the MPK49/MPD32 from the drop down menu.

5.If you have something set to a specific midi channel that you would like only this instrument to respond to you can choose the channel by dropping down the menu below. Generally this will stay on All Channels.

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Akai MPD, MPK warranty