5.Octave Up & Octave Down Buttons: These buttons allow you to set the octave orientation of the Radium’s keyboard.

6.Data Entry Slider: This slide controller allows you to adjust the value of parameters such as Volume,Velocity, Aftertouch, and virtually any assignable MIDI control parameter directly from your keyboard. Setting the data slider is covered in the next section.

7.MIDI/SELECT button: Use this button to select different MIDI commands using certain keys from your keyboard. Activating this key is indicated by a lit LED on the MIDI/Select button.When MIDI/SELECT is activated, the keyboard becomes a set of function keys for setting MIDI parameter commands.

8.Programming Assignments Keys: After pressing the MIDI/SELECT button, these keys on the Radium act as function keys which allow you to assign certain MIDI parameters and Program Change/MIDI Channel selections by the numbered key group.

Utilizing the Programming Assignment Keys

This section contains the information you will need to program the Radium and to send MIDI parameter data from the keyboard.You may set the data slider to send MIDI controller data of your choice, send program change data from the keyboard, select the MIDI transmit channel of the Radium, set the octave or pitch of the keyboard, and program the sixteen knob and slider controllers.

The Data Entry Slider

You may select the transmitting value of various MIDI functions (such as velocity offset, aftertouch, reverb depth, pan pot, volume, CC data) by pressing the MIDI/SELECT button followed by the key labeled with that MIDI function, then moving the DATA ENTRY slider to select the desired value. For example, if you want to change the value of the velocity offset, first press the MIDI/SELECT button, then the velocity key. Next, change the DATA ENTRY slider to the value you want and press the MIDI/SELECT button again to complete the change.

You can also assign any MIDI Controller to the DATA ENTRY slider, by using the controller’s number.* This is done with the following steps.

1.Press the MIDI/Select button

2.Press the CC No. key

3.Press the number keys to select the desired MIDI Controller number

4.Press the Enter key

5.Press the MIDI/Select button to finish your selection.

* For a chart of MIDI Control Change values, see Appendix A of this manual.

The DATA ENTRY slider may be used to send MIDI controller information in real-time.When the Radium powers up, the DATA ENTRY slider defaults to a MIDI Controller value of 7 (Controller # 7 is MIDI volume).After a MIDI controller (such as velocity, aftertouch, pan, etc.) has been selected, by pressing one of the keys that

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M-Audio RAD-050503 warranty Utilizing the Programming Assignment Keys, Data Entry Slider
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RAD-050503 specifications

The M-Audio RAD-050503 is a powerful audio interface designed for musicians, producers, and sound engineers seeking high-quality recording and playback capabilities. This device is particularly notable for its versatility and high-performance features, making it an excellent choice for both home studios and professional environments.

One of the standout characteristics of the RAD-050503 is its exceptional audio quality, offering high-resolution audio capture at sample rates up to 192 kHz. This level of fidelity ensures that recordings are true to the original sound, preserving the nuances and subtleties of each instrument or voice. The device supports both 24-bit and 32-bit audio formats, providing flexibility for various recording requirements.

Equipped with multiple input options, the RAD-050503 includes XLR/TRS combo jacks that cater to microphones, guitars, and line-level sources. This flexibility makes it easy to connect different recording instruments without needing additional interfaces. The device also features phantom power, enabling the use of condenser microphones, which are essential for capturing high-quality vocal tracks.

For monitoring, the RAD-050503 provides high-output headphone outputs and balanced TRS main outputs. This ensures that users can achieve accurate sound representation during recording sessions, allowing for real-time monitoring without latency issues. The built-in zero-latency monitoring feature further enhances the recording experience by allowing musicians to hear their inputs directly through their headphones without delay.

In terms of connectivity, the RAD-050503 is USB-powered, providing a straightforward plug-and-play setup with minimal fuss. It is compatible with both Mac and Windows operating systems, making it accessible for a wide range of users. The interface is also equipped with MIDI I/O ports, allowing for seamless integration with MIDI devices, synthesizers, and controllers.

The rugged, compact design of the RAD-050503 makes it highly portable, making it suitable for musicians on the go. Users can easily transport it to live gigs or collaborate in different studio environments. The unit's thoughtful layout, featuring easy-to-use knobs and indicators, allows for intuitive operation, catering to both novice and experienced users alike.

In summary, the M-Audio RAD-050503 audio interface combines top-notch audio performance, versatile connectivity options, and user-friendly design, making it an excellent choice for anyone serious about recording and producing high-quality music.
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