– 21 –INOUTMIDIMIDI INPN81's Piano soundSynthesizer's String soundLayering SoundsMIDI cableDigital SynthesizerPN81MIDIThe term MIDI is an acronym for Musical Instrument Digital Interface, an international standardfor connecting synthesizers, sequencers (digital recorders) and other electronic instruments so thatthey can exchange performance data.The PN81 is equipped with two MIDI jacks for exchanging data: MIDI IN and MIDI OUT. Eachuses a special cable with a DIN connector.MIDI IN : For receiving note, program change and other data.MIDI OUT : For sending note, program change and other data.MIDI EXAMPLES(1) Connection to another MIDI compatible keyboard or sound generator moduleWhen connected as shown in the illustration, data on how the digital piano is played (which keysare struck) can be sent to another MIDI instrument. Plus, the sound from the PN81 can be layeredover the sound of the other instrument.