M-Audio O2 User Manual
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User Guide

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Summary of Contents for M-Audio O2

  • Page 1 User Guide...
  • Page 2: What's In The Package

    2. Plug in the USB cable provided with the M-Audio O to a free USB port on your computer. 3. Plug in the other end of the USB cable to the USB input on the M-Audio O The single USB cable not only powers the M-Audio O but also sends MIDI data to and from your computer system.
  • Page 3: M-Audio Features And Functions

    Windows XP and Mac OS X If you are using Windows XP or Mac OS X, you may simply switch the power position to “on.” Because the M-Audio O keyboard is class compliant, it will work with out any further installation.
  • Page 4: Muting All Controllers

    MIDI signals. If you are using a MIDI sound module or connecting to another piece of MIDI equipment, you will need to make sure that both your M-Audio keyboard and the receiving unit are set to the same MIDI channel. The Global MIDI Channel affects the keyboard, Program, and Bank Changes, plus whatever controllers have been set to respond to the global setting.
  • Page 5: Modulation Control

    Foot Switch Any polarity foot switch (not included) can be plugged in to the foot switch input on your M-Audio O keyboard. The keyboard will automatically detect the correct polarity upon powering on. If you want to reverse the polarity, make sure the pedal is pressed when you switch on your keyboard.
  • Page 6 The Fader and Rotary Knobs: MIDI CC Description Data 2 Data 3 0-119 Standard MIDI CCs 120-127 Channel Mode Messages Pitch Bend Sensitivity Channel Fine Tune Channel Coarse Tune Channel Pressure RPN Coarse RPN LSB RPN MSB RPN Fine RPN LSB RPN MSB NRPN Coarse NRPN LSB...
  • Page 7: Basic Programming Operations

    As you create custom setups, be sure you store your changes to a memory location before recalling any other setups. Selecting a Controller for Editing To assign a MIDI CC to one of the M-Audio O ’s controllers, it needs to be selected for editing.
  • Page 8: Setting Toggle Values For The Buttons

    Setting Toggle Values for the Buttons The 8 assignable buttons and the pedal can each be assigned to toggle between two values. This is how: Press the ADVANCED FUNCTION button, followed by the DATA 2 (MIN) key. 2. Type in the Minimum desired toggle number using the numerical data entry keys or the Preset +/- buttons. 3.
  • Page 9: Assigning Mmc Control To A Button

    Many data sheets for synths make use of NRPN messages and will give the MSB and LSB values that should be entered for DATA 3 and DATA 2 (See Appendix F). Some manuals may only give the hex values, but the M-Audio O requires the decimal value be entered.
  • Page 10: Assigning A Note To A Button

    The Device ID for a SysEx message assigned to a controller cannot be changed using the DEV ID key. This key is used for varying the global Device ID of the M-Audio O For more information please reference the “SysEx Messages” and “Device ID” sections later in the manual.
  • Page 11: Midi Messages Explained

    The LED display will show “USB,” indicating that the MIDI Out port is now set to transmit data from the USB port. Program Mode will automatically cancel. When MIDI Out from USB Mode is NOT active, the MIDI Out port will mirror the data that is sent via USB from the M-Audio O controller. To disengage MIDI Out from USB Mode: Press the ADVANCED FUNCTION button.
  • Page 12: General Troubleshooting

    It should be noted that a SysEx message is not transmitted on any specified channel. All SysEx messages contain a Device ID, which is used to single out devices to respond to the SysEx message. All other devices are ignored. If you are using a SysEx message on the M-Audio O , the Global Channel is ignored.
  • Page 13: Contact M-Audio

    Contact M-Audio If you have any questions, comments or suggestions about this or any M-Audio product, we invite you to contact us by using the following information: M-AUDIO U.S. M-AUDIO Deutschland (Germany) 5795 Martin Road, Irwindale, CA 91706-6211, U.S.A. Kuhallmand 34, D-74613 Ohringen, Germany...
  • Page 14: Technical Info

    Technical Info Modifications not authorized by the manufacturer may void users authority to operate this device. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 15: Appendix A - Midi Implementation Chart

    Appendices Appendix A - MIDI IMPLEMENTATION CHART Function Transmitted Received Remarks Basic :Default 1-16 Channel: Changed 1-16 :Default --------- Mode :Messages :Altered ********* Note 0-127 Number: True Voice ********* Velocity: Note ON : Note OFF After : Keys Touch :Ch’s Pitch Bend Control 0-119...
  • Page 16: Appendix B - Assignable Midi Cc's On The M-Audio O

    Appendix B - Assignable MIDI CC’s on the M-Audio O B1 - The Fader and rotary Controllers: MIDI CC Description Data Lsb (Press Twice) Data Msb (Press Twice) 0-119 Standard MIDI CC’s 120-127 Channel Mode Messages Pitch Bend Sensitivity Channel Fine Tune...
  • Page 17 The Buttons and Pedal: Program MIDI CC Description Data Lsb (Press Twice) Data Msb (Press Twice) (Press Twice) 0-119 Standard MIDI CC’s Toggle value 2 Toggle value 1 120-127 Channel Mode Messages Toggle value 2 Toggle value 1 Pitch Bend Range Sensitivity value Channel Fine Tune Tuning amount...
  • Page 18: Appendix C - Hexadecimal Conversion Chart

    Appendix C - Hexadecimal Conversion Chart Hexadecimal to Decimal Conversion Chart Hexadecimal Decimal Hexadecimal Decimal Hexadecimal Decimal Value Value Value Value Value Value...
  • Page 19: Appendix D - Useful Midi Data

    Appendix D - Useful MIDI data General MIDI Instruments Piano Bass Reed Synth Effects 0 Acoustic Grand Piano 32 Acoustic Bass 64 Soprano Sax 96 SFX Rain 1 Bright Acoustic Piano 33 Fingered Bass 65 Alto Sax 97 SFX Soundtrack 2 Electric grand Piano 34 Electric Picked Bass 66 Tenor Sax...
  • Page 20: Appendix E - Standard Midi Controller Numbers (Midi Cc's)

    Appendix E - Standard MIDI Controller numbers (MIDI CC's) Bank Select Controller 46 Tremelo Depth Modulation Controller 47 Chorus Depth Breath Control Gen Purpose 1 LSB Celeste (De-tune) Controller 3 Gen Purpose 2 LSB Phaser Depth Foot Control Gen Purpose 3 LSB Data Increment Porta Time Gen Purpose 4 LSB...
  • Page 21: Appendix F - Roland Gs And Yamaha Xg Nrpn Support To Roland Jv/Xp

    Appendix F - Roland GS and Yamaha XG NRPN Support to Roland JV/XP NRPN NRPN Data Data CC99 CC98 CC06 CC38 00-7F n/a (-64 - 0 - +63) Vibrato Rate (relative change) 00-7F n/a (-64 - 0 - +63) Vibrato Depth (relative change) 00-7F n/a (-64 - 0 - +63) Vibrato Delay (relative change) 00-7F...

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