ProKeys Sono 88 User Guide - M-Audio

Controls and Connectors
Top Panel Diagram
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Top Panel Descriptions
ProKeys Sono 88 User Guide
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1 . Modulation Wheel (Modulation): This wheel is used to add expressivity to your performance by changing the intensity
of certain effects . The Modulation wheel usually controls vibrato (change in intonation) or tremolo (change in volume) of your
selected sound . The MIDI data range of this wheel is 0 to 127, with 0 being the note-unchanged position (i .e ., the wheel is
rolled downward toward the user) .
Note that the Modulation wheel can be assigned to control MIDI parameters other than modulation (MIDI CC 1) . This topic is
covered in the “Advanced ProKeys Sono Functions in Edit Mode” chapter of this User Guide .
2 . Headphone Outputs (Phones): These two output jacks accept standard 1/4” headphones . The volume of these outputs is
controlled by the Master Volume fader (6) .
3 . Pitch Bend Wheel (Pitch Bend): This wheel lets you create expressive changes in your performances by raising and
lowering pitch . Rolling the Pitch Bend wheel upward will raise an instrument’s pitch whereas rolling it downward will lower the
pitch . Note that this wheel is spring-mounted and will return to the center position when released .
4 . Transpose (Data) < > Buttons: In this User Guide, these buttons will be referred to as the Data buttons . By default, these
buttons transpose the keyboard in half-step increments . Pressing the Data > button (right) will shift the notes played on the
keyboard up one half-step (for example, D becomes D-sharp) . When shifted upward, the LED above the right Data button will
illuminate . Pressing the Data < button (left) will shift the notes played on the keyboard downward (for example, G becomes
G-flat) and the LED above the left Data button LED will illuminate . Pressing both Data buttons together will “center” the
keyboard and restore the default transpose state (Transpose shift = 0) and any illuminated Data button LEDs will turn off .
The Data buttons can also be assigned to send different MIDI messages or control other features on ProKeys Sono . This is
explained in the “Advanced ProKeys Sono Functions in Edit Mode” section of this User Guide .
5 . Edit Mode Button (Edit Mode): When this button is pressed, the associated LED illuminates and the keyboard enters “Edit
mode .” While in this mode, the keys on the keyboard no longer transmit MIDI notes, and are instead used to select advanced
functions and enter data . The “Advanced ProKeys Sono Functions in Edit Mode” section of this User Guide contains more
detailed information about Edit mode . Press this button again to exit Edit mode .
6 . Master Volume Fader (Master Volume): The Master Volume fader controls the level of the main outputs (17) as well as
the headphone outputs (2) .
7 . Microphone Gain Knob (Mic Gain): This knob controls the gain level of the Microphone input . The signal (green) LED
illuminates when signal is present at the microphone input (i .e ., incoming audio signal is greater than -20dB) . The peak (red)
LED illuminates when incoming audio signal is clipping (distorting) and indicates that the Microphone Gain knob should be
turned down .