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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. This is because messages 128 – 131 are a different type of MIDI message, defined in the MIDI
Specification as RPN messages. M-Audio has created four messages that are sent like MIDI CC’s, but actually transmit a series of
RPN messages. This makes sending these complex multi-part messages as easy as sending a MIDI CC message. You can assign
these to the controls on your KeyStudio keyboard in exactly the same way as any other MIDI controller message. The 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 small steps
130 Coarse Tune Adjusts the tuning of your sound module or synthesizer in large steps
131 Monophonic Aftertouch* Adds a vibrato effect
*Monophonic aftertouch is not an RPN message. However, 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
M-Audio warrants products to be free from defects in materials and workmanship, under normal use and provided that the product is
owned by the original, registered user. Visit www.m-audio.com/warranty for terms and limitations applying to your specific product.
Warranty Registration
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manufacture the finest quality products available. Register online at www.m-audio.com/register to receive FREE product updates
and for the chance to win M-Audio giveaways.
© 2007 Avid Technology, Inc. All rights reserved. Product features, specifications, system requirements and availability are subject
to change without notice. Avid, M-Audio, KeyStudio 49i, Session and Pro Tools are either trademarks or registered trademarks of
Avid Technology, Inc. All other trademarks contained herein are the property of their respective owners.