Millennium Enterprises Integrated Modeling Amplifier System Exclusive Implementation, Midi Basics

Johnson Millennium Section - 7 Appendix

System Exclusive Implementation

MIDI System Exclusive communication allows a user to control a device directly through MIDI in a very powerful and flexible manner. Much care has gone into creating and testing this documentation but Johnson Amplification can not guarantee 100% accuracy, nor can Johnson Amplification be held responsible for presets and data lost in a product from System Exclusive Information use.

A working knowledge of the MIDI Version 1.0 Detailed Specification can be useful while implementing any manufacturer's SysEx commands. For a copy of the MIDI spec contact:

MIDI Manufacturers Association 5316 West 57th Street

Los Angeles, California 90056 USA (213) 649-6434

It is a good practice to back up any user programs and/or user algorithms in the device before you begin to work with SysEx commands due to the fact that incorrect commands can produce unexpected results. Should you encounter any discrepancies between this documentation, and a Johnson Amplification S-DISC II™ MIDI, product please feel free to contact us at:

Johnson Amplification

Attn: Product Management Dept.

8760 South Sandy Parkway

Sandy, Utah 84070 USA

(801)566-8800 http:///www.digitech.com

MIDI Basics

MIDI Channels: The Millennium can be set so that they communicate on 1 of 16 discrete MIDI channels. Some devices may also be set up to transmit or receive information on all channels in an Omni mode or to none of the channels in a Disabled mode.

Preset Changes: When the Millennium is set to communicate on one or all of the MIDI channels, it will recognize a Preset Change command. If the number is legal (e.g. within the device’s range of selectable presets) the Johnson Amplification device will respond by changing to the new preset. MIDI sends Preset Changes 0 through 127. Johnson Amplification devices begin their preset numbering with 1, thus Preset Change 0 will select preset 1. The Millennium also allows the user to ‘re-map’ the Preset Change commands so that Preset Change 0 could call preset 135, if so desired.

Continuous Controllers: A MIDI Continuous Controller may be ‘Linked’ to nearly any available parameter in the Millennium. CC links (Modifiers) and their ranges are treated uniquely in each preset with the assignments being saved only if they are stored as part of the preset.

Channel Pressure: Johnson Amplification products treat Channel Pressure as simply another type of Continuous Controller which can be linked to parameters for control.

User Guide

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