M-Audio 25 manual About SysEx Messages and Device ID, Assigning the Device ID, Memory Dump

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KeyRig 25 User Guide

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8.Finally, press the ADVANCED FUNCTION button, then the CHAN ASGN key.

9.Enter the channel that the message should be sent on.

10.Press the ENTER key to confirm your selection.

Note: Many specification sheets for synthesizers and other MIDI devices 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 sheets may only list the values in hexadecimal format, but the M-Audio KeyRig 25 requires each value to be entered as a decimal. Use Appendix C at the end of this User Guide to convert hexadecimal values into decimal.

About SysEx Messages and Device ID

MIDI SysEx messages (memory dump, all notes off, master tune, etc.) are global MIDI messages that are not MIDI channel-specific. This means SysEx messages are not transmitted on specific MIDI channels. Instead, SysEx transmits a Device ID number along with any SysEx message. This ID is used to uniquely address a particular destination device within your MIDI setup. Device IDs range between 00–127. To send a SysEx message to a particular device in your MIDI setup, find out which Device ID it responds to, then assign the same Device ID to KeyRig 25 before starting the transmission.

For most devices, the Device ID is pre-configured at 127 at the factory. Device ID 127 plays a special role, as it can be read by all connected devices, regardless of their individual Device ID setting.

As an example, a device with device ID 50 will not only accept messages that are using Device ID 50, but also messages with Device ID 127. SysEx messages with any other Device ID are ignored.

The Device ID for a SysEx message assigned to a controller can be changed using the DEV ID key. This key is used for varying the global Device ID of the M-Audio KeyRig 25.

Assigning the Device ID

Press the ADVANCED FUNCTION button, then the DEV ID key to assign a Device ID to the M-Audio KeyRig 25. When the DEV ID key is pressed, the LED display indicates the assigned Device ID. It is possible to enter a new device ID using the numerical data entry keys, or the +/- buttons. Press the ENTER key to confirm.

If a SysEx message is sent from a device with a Device ID of 127, that message can be read by all attached MIDI receiving hardware regardless of their Device ID settings. If a SysEx message is created by a device with a Device ID other than 127, the SysEx message will only be processed by devices with an identical Device ID. The sent SysEx message will be ignored by devices with a Device ID that doesn’t match that of the sending device.

Memory Dump

Press the ADVANCED FUNCTION button followed by the MEM DUMP key to send out a number of SysEx data packets that represent the 5 user-defined or factory-set presets of the M-Audio KeyRig 25. This can be used for storing or backing up the contents of the memory presets externally.

It is possible to record a Memory Dump to a standard MIDI sequencer track, much like how you would record notes on a MIDI sequencer track. You can recall the Memory Dump you recorded by playing back the MIDI track containing the recorded Memory Dump, making sure that the M-Audio KeyRig 25 is selected as the MIDI output for that particular track.

The current controller assignments are not immediately affected by a Memory Dump, or a memory location that is sent to the keyboard. You first need to recall a preset to access the uploaded new settings after a memory dump has been sent to the keyboard.

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Contents KeyRigTM KeyRig 25 Keyboard Features IntroductionWhat’s in the Box? Windows Minimum System RequirementsKeyRig 25 Keyboard Key Rig Virtual Instrument Software PC onlyAdvanced Installation Instructions for Windows XP optional Installing the KeyRig 25 keyboardTop Panel Controls and ConnectorsRear Panel Configuring Your Software Using KeyRigSetting the Global Midi Channel Sending Program ChangesSending Bank Changes KeyRig 25 Advanced Features Midi Out from USB ModeRecalling Presets Sending a Snap Shot Storing PresetsDuplicating and Organizing Presets Enigma SoftwareProgram Mode Overview Assigning Midi CCsAssigning Midi Channels Limiting the Range of the Controls Using Controls to Increment or Decrement ValuesAssigning Midi Machine Control MMC Commands to a Button Setting Toggle Values for the ButtonsAssigning RPN/NRPN to a Fader or Knob Assigning a Note to a ButtonAbout SysEx Messages and Device ID Assigning the Device IDMemory Dump Program & Bank Changes Midi Messages In-DepthTroubleshooting Appendices Appendix a Midi Implementation ChartTable B1 Knobs and fader assignments Appendix B Assignable Midi CC’s on KeyRigTable B2 Buttons and Sustain Pedal Assignments Table B3 MMC Command NumbersValor hexadecimal Valor decimal Appendix C Hexadecimal Conversion ChartMidi Note Numbers Appendix D General Midi Preset SpecificationAppendix E Standard Midi Controller Numbers Midi CC’s Channel Mode MessagesReverb Types Chorus Types Appendix G General Midi Reverb and Chorus TypesWarranty Warranty Terms Warranty RegistrationTechnical Info Web Audio U.K Audio USATechnical Support Sales
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25 specifications

M-Audio, a prominent name in the world of music production equipment, offers a diverse range of MIDI controllers to cater to the needs of musicians and producers. Among its lineup, the M-Audio 25 stands out as a compact yet powerful keyboard that appeals to both beginners and experienced users alike.

The M-Audio 25 features a 25-key velocity-sensitive keyboard, providing a responsive playing experience that allows musicians to express their creativity effectively. The keys are designed to replicate the feel of an acoustic keyboard, making it comfortable for extended sessions of play and composition. Despite its compact size, the instrument maintains a professional quality, ensuring that users do not have to compromise on performance.

One of the standout technologies featured in the M-Audio 25 is its ergonomic design, which makes it highly portable. Weighing in at just a few pounds, it can easily fit into a backpack or gig bag, making it an ideal choice for musicians on the go. This portability does not detract from its functionality, as the controller includes a variety of knobs, pads, and buttons for dynamic control of software synthesizers and DAWs (Digital Audio Workstations).

Another key characteristic of the M-Audio 25 is its comprehensive software bundle, which enhances its value significantly. It typically includes a selection of virtual instruments, production software, and plugins that empower users to start making music right out of the box. This integrated approach helps to streamline the music production process for users of all skill levels.

In terms of connectivity, the M-Audio 25 offers USB connectivity, allowing for a simple plug-and-play setup. There's no need for cumbersome external power supplies, as the keyboard draws power directly from the computer. This user-friendly aspect is perfect for laptop musicians working in live settings or home studios.

The pads on the M-Audio 25 are pressure-sensitive, allowing for expressive playing styles, whether drumming or triggering samples. The knobs and faders are assignable, granting users the flexibility to customize the controller according to their specific needs and preferences.

In conclusion, the M-Audio 25 is a compact MIDI controller that brings together key features like velocity-sensitive keys, portable design, and an array of control options. It caters to musicians seeking versatility, responsiveness, and convenience in their music production workflow, making it a valuable addition to any setup.
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