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KeyStudio 49i User Guide

Appendix D - Additional RPN Messages

You may have noticed that although we have stated there are 128 MIDI controller messages ( 0 – 127), Appendix C shows 132
assignable controller messages T his is because messages 128 – 131 are a different type of MIDI me ssage, defined in the MIDI
Specification as RPN messages M-Audio has created four messages that are s ent like MIDI CC’s, but actually trans mit a series of
RPN messages This makes sending thes e complex multi-part messages a s easy as sending a MIDI CC mes sage You can assign
these to the controls on your KeyStudio keyboard in exactly the same way as a ny other MIDI controller message T he RPN messages
control the following:
Controller
Number
MIDI Message Use
128 Pitch Bend Sensitivity Alters the range of a pitch bend message
129 Fine Tune Adjusts the tuning of your sound module or synthesizer in smal l steps
130 Coarse Tune Adjusts the tuning of your sound module or synthesizer in larg e steps
131 Monophonic Aftertouch* Adds a vibrato effect
*Monophonic aftertouch is not an RPN message. H owever, it is an additional effect message defined in the General MIDI
specification and this is why we have included it in Appendix D.
Warranty
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Warranty Terms

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© 2007 Avid Technology, Inc. All rights reserved. Product features, specific ations, system requirements and availability are subject
to change without notice. Avid, KeyStudio 49i, Session, Pro Tools and M-Audio are either trademarks o r registered trademarks of
Avid Technology, Inc. All other trademarks contained herein are the property of the ir respective owners.