Yamaha YDP-101 Owner's Manual - Page 28

The Function Mode F7 MIDI Functions G A Brief Introduction to MIDI MIDI, the Musical Instrument Digital Interface, is a world- MIDI OUT YDP-101 MIDI Cable MIDI IN Tone Generator standard communication interface that allows MIDI-compatible musical instruments and equipment to share musical information and control one another. This makes it possible to create "systems" of MIDI instruments and equipment that offer far greater versatility and control than is available with isolated instruments. For example, most MIDI keyboards (including the YDP-101, of course) transmit note and velocity (touch response) information via the MIDI OUT connector whenever a note is played on the keyboard. If the MIDI OUT connector is connected to the MIDI IN connector of a second keyboard (synthesizer, etc.) or a tone generator (essentially a synthesizer with no keyboard), the second keyboard or tone generator will respond precisely to notes played on the original transmitting keyboard. The result is that you can effectively play two instruments at once, providing thick multi-instrument sounds. This same type of musical information transfer is used for MIDI Data Being Recorded sequence recording. A sequence recorder can be used to "record" MIDI OUT Playback Data MIDI IN MIDI OUT MIDI data received from a YDP-101, for example. When the re- MIDI IN corded data is played back, the YDP-101 automatically "plays" the recorded performance in precise detail. Sequencer The examples given above really only scratch the surface. MIDI can do much, much more. The YDP-101 MIDI functions allow it to YDP-101 be used in fairly sophisticated MIDI systems. After selecting "F7.Y", press the [+/YES] button to engage the MIDI function sub-mode, then use the FUNCTION [] buttons to select the desired MIDI function, as listed below. NOTE • Always use a high-quality MIDI cable to connect MIDI OUT to MIDI IN terminals. Never use MIDI cables longer than about 15 meters, since cables longer than this can pick up noise which can cause data errors. F7.1: MIDI Transmit Channel Selection F7.2: MIDI Receive Channel Selection MIDI OUT MIDI IN MIDI THRU The MIDI system allows transmission MIDI IN and reception of MIDI data on 16 differ- Sequencer Tone Generator ent channels. Multiple channels have (Set to receive on MIDI channel 2) YDP-101 (Set to receive on MIDI channel 1) been implemented to allow selective control of certain instruments or devices connected in series. For example, a single MIDI sequence recorder could be used to "play" two different instruments or tone generators. One of the instruments or tone generators could be set to receive only on channel 1, while the other is set to receive on channel 2. In this situation the first instrument or tone generator will respond only to channel-1 information transmitted by the sequence recorder, while the second instrument or tone generator will respond only to channel-2 information. This allows the sequence recorder to "play" two completely different parts on the receiving instruments or tone generators. 28 YDP-101 26