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Keith McMillen Instruments 12 Step User Manual

Keith McMillen Instruments 12 Step
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Note: Bank Select messages are 14-bit resolution (a range of 0-16383), as opposed to the standard
7-bit MIDI message (range 0-127). This is accomplished by using two separate messages: an MSB (most
significant bit) and an LSB (least significant bit). With 12 Step, values in the Bank field will set the LSB of
the bank message —!the MSB will be fixed at 0. The MSB is generally transmitted as a CC 0 messages,
immediately followed by the LSB as a CC 32 message.
(5) Bend Range
Sets the pitch bend range (in semitones) of the 12 Step.
Range: 1-12
(6) Transpose
Sets a transposition amount (in semitones) for the entire preset.
Example: A Transpose value of “3” would transpose all of the preset’s MIDI note output by a
minor third interval.
Range: ±12
(7) Key Safety
Sets how many keys can be activated simultaneously.
Single Key: Only a single key can be activated at a time.
Multi Key: Any key can be activated at any time.
(8) Note Mode
Sets how MIDI notes will behave when playing the 12 Step
Normal: Notes will turn on when a key is pressed and turn off when the key is released.
Legato: Notes will turn on when a key is pressed and continue playing when released. When
another key is pressed, the previous notes will turn off and the new key’s notes will turn on.
Toggle: Notes will turn on when a key is pressed and stay on until the key is pressed again.
Hold: Allows toggling between Normal and Legato mode using the Select key.
When a preset set to Hold mode is first selected, the 12 Step will be in Legato mode
!indicated by the Select LED flashing. Quickly tapping the Select key will switch the board
over to Normal mode — all currently active notes will turn off and the Select LED will stop
flashing.
12 Step Editor 32
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Keith McMillen Instruments 12 Step Specifications

General IconGeneral
TypeMIDI Foot Controller
Number of Steps12
Dimensions12.5 x 4.25 x 1 inches (31.75 x 10.8 x 2.54 cm)
Weight1.2 lbs (0.54 kg)
ConnectivityUSB
Power SupplyUSB bus powered
Power SourceUSB bus powered

Summary

Before You Begin

What's In The 12 Step Package?

Lists the items included in the 12 Step package.

What's In The MIDI Expander Package?

Lists the items included in the MIDI Expander package.

System Requirements

Details hardware and software requirements for the 12 Step.

Conventions In This Manual

Explains formatting conventions used throughout the manual.

Getting Started

12 Step Hardware

Overview and specifications of the 12 Step hardware.

MIDI Expander Hardware

Overview and specifications of the MIDI Expander accessory.

Connecting 12 Step

Instructions for connecting the 12 Step to various devices.

Start Playing

Basic steps and concepts for using the 12 Step.

Editor

Main Window Overview

Introduces the main interface of the 12 Step Editor software.

Display Name

How to set the four-character display name for presets.

Connected Indicator

Shows the connection status between the editor and the 12 Step.

Main Tab Area

Describes the main tabs within the editor for customization.

Presets Section

Details managing presets, including saving and deleting.

Note Entry Tab

Editing Keys

How to assign MIDI notes to each key in the editor.

Note Entry Keyboard

Graphical keyboard for editing notes for the selected key.

Edit Buttons

Explains buttons like Copy Key, Paste Key, and Clear Key.

MIDI Parameters Tab

Fixed Parameters

Configuration of global MIDI settings like channel, program change, and bend range.

Modline Section

Defining MIDI output behavior using message types, sources, gain, and offset.

Setlist Tab

Enable/Disable Switch

Controls whether a preset slot is active or inactive.

Preset Selection Drop-down

Selects which preset to assign to a setlist slot.

Settings Tab

Global Key Sensitivity

Adjusts the overall sensitivity of all 12 Step keys.

Select Button Sensitivity

Adjusts the sensitivity of the Select button.

Send Full Volume On Preset Change Switch

Toggles CC 7 message output on preset changes.

Velocity Override

Forces all notes to transmit at maximum velocity.

Menu Bar Options

File

Options for exporting and importing presets.

Edit

Functions for clearing, copying, and pasting presets and setlists.

Hardware

Options for updating or reloading device firmware.

Help

Access to documentation and tool tip settings.

Select Mode

Entering Select Mode

Procedure to activate Select Mode for changing presets or octaves.

Changing Presets

Steps to navigate and select presets using Select Mode.

Changing Octaves

Procedure to shift octaves up or down using Select Mode.

Ports

Port 1 vs. Port 2

Explains the function and usage of 12 Step Port 1 and Port 2.

Appendix

Sources

Details the various sensor data sources available for MIDI output.

Message Types

Lists and explains the different MIDI message types supported.

Curves

Describes the available curve shapes for modifying MIDI values.

External Control Of 12 Step

Controlling 12 Step LEDs

How to control the 12 Step's key LEDs via CC messages.

Controlling 12 Step Display

How to control the four-character display using CC messages.

Changing Presets With Program Changes

Using program changes to select presets externally.

Using The MIDI Expander

Controlling the 12 Step via the MIDI Expander.

Factory Presets Overview

CHrO ("Chromatic Scale")

The default chromatic scale preset for basic note playing.

LGtO ("Legato")

Preset utilizing the Legato note mode for smooth note transitions.

EPO ("Power Chords Legato")

Preset designed for playing power chords with legato articulation.

CLIP ("Live Clip Launching")

Preset optimized for clip launching in Ableton Live.

dtrd ("Diatonic Triads")

Preset for playing diatonic triads in the key of C.

dSEt ("Drum Set")

Preset mapped for drum sounds on MIDI channel 10.

MIDI Note Naming Reference

C3=60 Standard

Chart for converting MIDI note numbers to note names and vice versa.

Changes From 12 Step V1.0

New Tabbed Interface

Overview of the redesigned user interface for the editor.

Presets Numbered 1-128

Information on the updated preset numbering system.

Input to MIDI Expander Fixed

Details a fix for issues with preset changes via MIDI Expander.

Troubleshooting

Connectivity Issues

Solutions for problems connecting the 12 Step via USB.

Mac OS CoreMIDI "bug"

Explains and provides workarounds for a Mac OS CoreMIDI issue.

Windows Class-Compliant Device Limitation

Describes limitations when using Windows with class-compliant MIDI devices.

FAQ

Contact & Support Information

How to contact KMI support and what information to provide.

Editor & Firmware Management

Questions about editor installation, firmware updates, and presets.

Device Usage & Connectivity

FAQs regarding using multiple devices, USB hubs, and troubleshooting.

Safety Precautions

Health and Environmental Warnings

Precautions related to medical devices, conditions, and explosive atmospheres.

Usage and Hazard Advisories

Guidance on repetitive motion, high-consequence activities, and choking hazards.