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USING A SUSTAIN PEDAL For added flexibility and control as you make music, you can connect an optional sustain pedal (not supplied), available through your local RadioShack store. A sustain pedal lets you sustain the keyboard’s sound. To connect a sustain pedal to your MD1150, insert the plug on the pedal’s cord into the SUSTAIN jack on the back of the keyboard. 24 42-4039.fm Page 25 Friday, March 3, 2000 8:55 AM USING MIDI Your MD-1150 includes a feature called MIDI (Musical Instrument Digital Interface). MIDI is the universal standard for sending and receiving performance data between all types of electronic musical instruments, regardless of the manufacturer. Using MIDI, you can play music on your MD-1150 and another instrument at the same time while pressing the keys on only one, record your music to a sequencer, acquire a wider selection of preset tones from a sound module, and much more. ABOUT MIDI Every MIDI-equipped instrument has MIDI OUT and IN terminals, and some also have a MIDI THRU terminal. Each of these terminals serves a different purpose. MIDI OUT sends MIDI data to (“talks to”) the other MIDI instrument(s). MIDI IN receives (“listens to”) MIDI data sent by the other MIDI instrument(s). MIDI THRU lets you connect (“network”) additional MIDI instruments, and sends along to other MIDI devices a copy of all data it receives through its MIDI IN terminal. Your MD-1150 has MIDI OUT and MIDI IN terminals. MIDI OUT MIDI IN The cable that connects MIDI devices does not actually carry sound between them, like a speaker wire carries sound from a receiver to a speaker. Instead, MIDI-equipped devices communicate with each other using digital codes (instructions). One MIDI device sends digital instructions representing exactly what is being played on it. The other MIDI device receives and translates those instructions, then produces (or records) the sound exactly as it was played on the first device. MAKING THE MIDI CONNECTIONS To connect your MD-1150 to another MIDI-equipped device, you must use a MIDI cable, available at your local RadioShack store. 25 42-4039.fm Page 26 Friday, March 3, 2000 8:55 AM Cautions: • Always turn off power to your MD1150 and the other MIDI device before you connect or disconnect MIDI cables. • As you make the cable connections, be sure to align the MIDI cable pins with the matching holes on your keyboard’s MIDI OUT and MIDI IN terminals. If you have trouble plugging in the cable, do not force it! You might damage the plug or the instrument. To send MIDI data from your keyboard, use a MIDI cable to connect the MD1150’ s MIDI OUT terminal to the other device’s MIDI IN terminal. To receive MIDI data on your keyboard, use a MIDI cable to connect the MD1150’ s MIDI IN terminal to the other device’s MIDI OUT terminal. Note: You do not need to make both connections if you are only either sending or receiving. MIDI DATA Your MD-1150 can send and receive several different types of MIDI data. The MD-1150’s tones, rhythms, and other types of MIDI data are sent automatically as you play. Notes: • The MD-1150’s prerecorded tunes cannot be sent as MIDI data. • For detailed specifications of the MIDI function, see the “MIDI Implementation Chart” on Page 34. Note On/Off — specifies which keys are pressed (Note On) or released (Note Off). Also includes how loud a note is played as a value from 0 to 127. Notes: • The pitch of a note depends on the tone that is being used, as shown in the “Note Table” on Page 33. • If the keyboard receives a “request” to play notes outside of its range (higher or lower), it automatically selects the same note in the nearest octave. Program Change — specifies the tone. The keyboard sends program change data in the range of 0 to 99, corresponding to tone numbers. It receives data within the same range if GM tone mapping is set to N, or in the range of 0 to 127 if GM tone mapping is set to G. In the latter case, tones in the range of 100 to 127 are translated to the closest tone that the keyboard has. Pitch Bend — supplies pitch bend information. The keyboard’s pitch changes as it receives a Pitch Bend message through the MIDI IN terminal. Control Change — adds effects such as vibrato and volume changes applied during keyboard play. The message includes a control number (the effect type) and a control value (the on/off and depth of the effect). 26 42-4039.fm Page 27 Friday, March 3, 2000 8:55 AM Here is the data that can be received with this keyboard and the corresponding control number. Effect Control Number Modulation 1 Volume 7 Pan 10 Hold1 (Sustain) 64 The MD-1150 can send Hold1 Control Change data only when you connect a sustain pedal and press it. CHANGING MIDI SETTINGS The MD-1150 lets you change two MIDI parameters, Tone Map and Keyboard Channel. Keyboard Channel — sets the channel for sending MIDI data to an external device (Default: 01). The MD-1150 receives MIDI data on channels 1 through 4 and 10 only. The data received on other channels are ignored...