Appendix D - Additional Rpn Messages - M-Audio ProKeys Sono 88 User Manual

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 CCs, 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 ProKeys Sono keyboard in exactly the same way as any other MIDI controller message . The RPN
messages control the following:
Controller Number MIDI Message
128 Pitch Bend Sensitivity
129 Fine Tune
130 Coarse Tune
131 Channel Pressure
Channel Pressure is not an RPN message. However, it is an additional effect message defined in the General MIDI
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specification and this is why we have included it in Appendix D.
Appendix E - Piano Reset Button
When the Piano Reset button is pressed, ProKeys Sono performs the following sequence of functions:
1 . MIDI Out mode is set to send MIDI from the keyboard to the computer via USB and to the external MIDI Out jack .
2 . Local mode is set to Local On .
3 . An 'All Notes Off' command is sent on MIDI channel 1 .
4 . A 'Reset All Controllers' command is sent on MIDI channel 1 .
5 . The Voice Volume knob is assigned to send MIDI controller 7 (Volume) messages .
6 . The Modulation Wheel is assigned to send MIDI controller 1 (Modulation) messages .
7 . The Sustain Pedal is assigned back to controller 64 (Sustain) .
8 . The Global Transmit channel is set to 1 .
9 . Transpose and octave shift are both set back to zero .
10 . A Program Change = 0 message is sent on MIDI channel 1 .
11 . Bank Change MSB = 0 and Bank Change LSB = 0 messages are sent on MIDI channel 1 .
12 . The Reverb Depth is set back to the default value for the Piano Voice .
13 . The Chorus Depth is set back to the default value for the Piano Voice .
14 . The current status of the Sustain Pedal is sent on MIDI channel 1 .
ProKeys Sono 88 User Guide
Use
Alters the range of a pitch bend message
Adjusts the tuning of your sound module or synthesizer in small steps
Adjusts the tuning of your sound module or synthesizer in large steps
Adds an effect such as vibrato or brightness, depending on the instrument
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settings and capabilities
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