Arturia Keystep Manual: A Comprehensive Guide
This guide details the Arturia Keystep’s features – a versatile MIDI controller with sequencing, arpeggiation, and robust connectivity for modern music production.
Explore its Slimkey keyboard, MIDI/CV capabilities, and software integration, unlocking its full potential for creative expression and streamlined workflows.
Welcome to the world of the Arturia Keystep! This powerful, yet compact, USB MIDI controller is designed to be the central hub of your music creation setup. Whether you’re a seasoned producer or just starting your musical journey, the Keystep offers an intuitive and inspiring experience.
It’s more than just a keyboard; it boasts a fully-featured polyphonic sequencer, a versatile arpeggiator, and extensive MIDI and CV/Gate connectivity. The innovative Slimkey keyboard provides exceptional playability in a space-saving design. This manual will guide you through every aspect of the Keystep, helping you unlock its full creative potential.
Unboxing and Package Contents
Upon opening your Arturia Keystep package, you should find the following items carefully included. First, the Keystep 37 USB MIDI controller itself, featuring the Slimkey keyboard and control knobs. You’ll also receive a USB cable for connecting to your computer, enabling MIDI communication and power.
Critically, a printed Quickstart Guide is included for immediate setup. Finally, you’ll find a registration card to activate your Keystep and access Arturia’s software resources, including MIDI Control Center. Ensure all components are present and undamaged before proceeding. Retain the original packaging for potential future transport.
Keystep Features Overview
The Arturia Keystep boasts a comprehensive feature set within a compact design. It functions as a 37-key slimkey MIDI controller, ideal for portability. A powerful, polyphonic sequencer allows for intricate pattern creation and playback. The integrated arpeggiator offers diverse rhythmic possibilities with adjustable modes.
Connectivity includes standard MIDI In/Out, alongside CV/Gate and DIN Sync outputs for modular synthesizer integration. USB connectivity enables seamless computer integration and power. Chord and Scale modes inspire harmonic exploration, while dedicated buttons provide intuitive control over all functions.

Getting Started with Keystep
Begin your journey by connecting Keystep to your computer via USB, ensuring power, and installing the essential MIDI Control Center software for full functionality.
Connecting Keystep to Your Computer (USB)
To connect your Arturia Keystep to your computer, use the provided USB cable. Simply plug one end into the Keystep’s USB port and the other into an available USB port on your computer.
Your computer should automatically recognize the Keystep as a MIDI device. However, if it doesn’t, ensure the Keystep is powered on. You may need to select the Arturia Keystep as your MIDI input/output device within your Digital Audio Workstation (DAW) settings.
This connection enables both MIDI data transmission and Keystep’s power supply via USB, eliminating the need for a separate power adapter in many cases.
Powering the Keystep
The Arturia Keystep offers flexible power options. It can be powered via USB when connected to your computer, drawing power directly from the USB port. Alternatively, you can use a standard 5V DC power supply (center positive), plugged into the dedicated power input jack.
When using a separate power supply, ensure it meets the specified voltage and polarity requirements to avoid damaging the device. The Keystep’s power status is indicated by an LED; a lit LED confirms it’s receiving power.
USB bus power is often sufficient for normal operation, but a dedicated power supply may be preferable for demanding applications.
Downloading and Installing MIDI Control Center
Arturia’s MIDI Control Center software is essential for customizing your Keystep. Download the latest version from the official Arturia website – navigate to the “Support” section and locate the Keystep product page. Ensure you select the correct version compatible with your operating system (Windows or macOS).
The installation process is straightforward; simply run the downloaded installer and follow the on-screen instructions. Once installed, launch MIDI Control Center and connect your Keystep via USB. The software will automatically detect the device, allowing you to configure settings;

Understanding Keystep’s Controls
Keystep’s intuitive layout features a Slimkey keyboard, responsive knobs, and dedicated buttons for seamless control over sequencing, arpeggiation, and MIDI/CV functions.
The Slimkey Keyboard
Arturia’s innovative Slimkey keyboard offers a unique playing experience, maximizing playability within a compact 37-key design. These keys are velocity and aftertouch sensitive, allowing for expressive performances and dynamic control over your sounds.
Despite their reduced size, the Slimkey keys maintain a comfortable feel, making them suitable for both studio work and live performance. They provide a familiar keyboard layout for easy navigation and quick access to notes across multiple octaves. The keyboard is designed to be highly responsive, capturing every nuance of your playing style.
Knobs and Buttons: Functionality
Keystep features a collection of knobs and buttons providing hands-on control over various parameters. The rotary encoders allow for precise adjustment of settings like sequence length, tempo, and arpeggiator rate. Dedicated buttons offer quick access to essential functions such as octave shift, chord mode, and scale mode.
These controls are intuitively laid out, enabling seamless manipulation of your sound and sequences. The buttons also serve as parameter editors when combined with shift functionality, expanding the control surface. Their responsive design ensures a fluid workflow, enhancing your creative process.
Sequencer Controls
Keystep’s sequencer controls are central to its functionality. Dedicated buttons manage sequence recording, playback, and editing. The ‘Record’ button initiates sequence capture, while ‘Play/Stop’ controls playback. Use the ‘Step’ buttons to navigate through individual sequence steps for precise editing;
The ‘Shift’ button unlocks additional sequencer functions, like step insertion and deletion. Rotary encoders adjust sequence length and tempo. These controls allow for creating complex and dynamic musical patterns, offering a hands-on approach to sequencing. Mastering these controls unlocks Keystep’s full creative potential.

Sequencing with Keystep
Keystep excels at sequencing, allowing users to record, edit, and playback musical ideas with ease, utilizing its intuitive controls and polyphonic capabilities.
Creating a New Sequence
To begin a new sequence on your Arturia Keystep, first ensure the device is in Sequence Mode by pressing the ‘SEQ’ button. Next, select an empty sequence slot using the up/down arrow buttons – slots 1-8 are available. Pressing ‘REC’ will initiate recording to the currently selected slot, overwriting any existing data. Alternatively, holding ‘SHIFT’ while pressing ‘REC’ will create a new sequence without erasing previous content.
Remember to set your desired tempo using the tempo knob before recording. The Keystep’s sequencer offers 64 steps, providing ample space for complex patterns. Experiment with different sequence lengths and time divisions to achieve varied rhythmic results. A clear understanding of these initial steps is crucial for effective sequencing.
Recording a Sequence
Once you’ve selected a sequence slot and initiated record mode (by pressing ‘REC’), the Keystep begins capturing your performance. Play notes on the Slimkey keyboard – these will be recorded as MIDI data within the sequence. The currently active step will illuminate on the LED grid, visually indicating the recording position.
Real-time recording is the primary method, but you can also use step-entry mode for precise note placement. Pressing ‘STOP’ halts recording. Remember that any knob movements or button presses during recording will also be captured, adding dynamic control changes to your sequence. Experiment with overdubbing to layer additional parts.
Editing Sequence Data
After recording, you can refine your sequence using the data entry knobs and buttons. Pressing ‘EDIT’ activates editing mode, allowing you to modify individual steps. The knobs control parameters like note pitch, velocity, and length. Use the ‘UP’ and ‘DOWN’ buttons to navigate through the sequence steps.
Step editing enables precise adjustments, while the ‘SHIFT’ button unlocks additional editing functions, such as deleting or duplicating steps. Remember to save your edits frequently to avoid losing your work. Experiment with these tools to sculpt your sequences into polished musical ideas.
Sequence Length and Time Division
Keystep sequences can range from 1 to 64 steps, adjustable via the ‘LENGTH’ button in sequence mode. Shorter sequences create repetitive loops, while longer ones offer more complex arrangements. Time division controls the rhythmic resolution of each step.
Select between 1/4, 1/8, 1/16, and 1/32 note divisions using the dedicated buttons. Experimenting with these settings dramatically alters the groove and feel of your sequences. Combine different time divisions within a single sequence for polyrhythmic effects and intricate patterns.

Arpeggiator Functionality
Keystep’s arpeggiator transforms chords into dynamic rhythmic patterns. Selectable modes and adjustable parameters allow for diverse arpeggio creation and synchronization options.
Arpeggiator Modes
The Keystep boasts several arpeggiator modes, offering a wide range of sonic possibilities. Up mode plays the notes of the chord ascending, while Down plays them descending; Up/Down alternates between ascending and descending patterns, creating a bouncing effect. Random generates a non-deterministic sequence of notes within the chord.
Latch mode sustains the arpeggio even after releasing the keys, allowing for hands-free performance. Furthermore, the Chord mode intelligently arpeggiates the held chord, and the Pattern mode lets you select from pre-defined rhythmic patterns. Experimenting with these modes unlocks a diverse palette of arpeggiated textures, perfect for building dynamic musical ideas.
Setting Arpeggio Pattern
To define the arpeggio pattern on your Keystep, utilize the ‘Arp’ button alongside the dedicated pattern selection knob. Rotating this knob cycles through eight distinct patterns, ranging from straightforward up/down sequences to more complex rhythmic variations.
Experiment with patterns like ‘Random’, ‘Ping-Pong’, and various dotted note arrangements to discover unique textures. The currently selected pattern is visually indicated on the Keystep’s display. Combine these patterns with different arpeggiator modes for even greater control over the rhythmic and melodic character of your sequences.
Syncing the Arpeggiator
The Keystep arpeggiator can synchronize to external devices via MIDI clock, DIN Sync, or its internal clock. To enable external sync, access the ‘Sync’ settings via the MIDI Control Center software. Select the desired sync source – MIDI, DIN, or Internal – and configure the appropriate parameters.
When synced externally, the arpeggiator’s tempo will follow the incoming clock signal, ensuring tight timing with your other gear. Utilizing DIN Sync allows seamless integration with vintage synthesizers and drum machines, while MIDI sync offers broad compatibility with modern setups.

MIDI and CV/Gate Connections
Keystep offers versatile connectivity, featuring standard MIDI I/O for digital instruments and dedicated CV/Gate outputs for controlling analog synthesizers and modular setups.
MIDI Input/Output
The Keystep boasts a standard 5-pin MIDI DIN connector, enabling seamless communication with a wide range of MIDI-compatible instruments, sound modules, and computers. This allows you to both send and receive MIDI data, effectively using the Keystep as a controller and a receiver for external devices.
Through the MIDI output, you can trigger sounds on synthesizers, control parameters in software instruments, and synchronize with other MIDI gear. The MIDI input allows external controllers to control Keystep’s features, like triggering sequences or manipulating arpeggios. USB connectivity also provides MIDI functionality directly to your computer, eliminating the need for a dedicated MIDI interface in many setups.
CV/Gate Outputs: Connecting to Modular Synths
Keystep truly shines with its CV/Gate outputs, opening a world of possibilities for controlling analog synthesizers and modular systems. These outputs transmit control voltage (CV) and gate signals, essential for driving oscillators, filters, and other modules within your setup.
The 1/8” jacks allow for easy patching, and Keystep can output both monophonic and duophonic CV/Gate signals. This enables you to play and sequence your modular gear with the same intuitive control as traditional MIDI instruments, bridging the gap between modern and classic synthesis techniques.
DIN Sync
Keystep features a DIN Sync port, offering synchronization capabilities with vintage gear and other devices utilizing the classic DIN sync standard. This allows you to seamlessly integrate Keystep’s timing with older drum machines, sequencers, and synthesizers that don’t support MIDI synchronization.
Using a standard 5-pin DIN cable, you can send or receive clock signals, ensuring your entire setup remains tightly synchronized. This is particularly useful for creating complex rhythmic patterns and interlocking sequences across multiple instruments, expanding your creative possibilities beyond MIDI alone.

Advanced Features
Unlock deeper creativity with Keystep’s Chord and Scale modes, alongside seamless integration with Arturia’s software suite for expanded sonic possibilities.
Chord Mode
Chord Mode on the Arturia Keystep dramatically simplifies playing complex harmonies. By holding a single key, you can trigger a full chord with a press – perfect for sketching ideas quickly or performing live.
You can easily select from a variety of pre-programmed chord types, including major, minor, augmented, and diminished, using the dedicated buttons. Furthermore, you can customize the chord voicings and inversions to suit your musical preferences. This feature is incredibly useful for musicians who may not have extensive chord knowledge, or those seeking a faster workflow.
Experiment with different chord progressions and voicings to add depth and richness to your music. Chord Mode truly expands the creative possibilities of the Keystep.
Scale Mode
Scale Mode on the Arturia Keystep ensures you always play harmonically correct notes, even if you’re unfamiliar with music theory. Select from a wide range of scales – major, minor, pentatonic, chromatic, and more – and the Keystep will constrain the keyboard to only those notes.
This is incredibly helpful for improvisation, songwriting, and learning new scales. You can transpose the scale to different keys easily, allowing you to explore various harmonic territories. The dedicated button allows quick activation and deactivation of Scale Mode, providing seamless transitions.
Unlock your musical creativity without the constraints of wrong notes!
Using Keystep with Arturia Software
Arturia’s Keystep integrates seamlessly with their suite of software instruments and effects. Direct connectivity via USB allows for effortless control of parameters within Analog Lab, Pigments, V Collection, and more. Pre-mapped controls provide intuitive access to key sounds and functions.
Utilize Keystep’s sequencer to control Arturia software, creating complex patterns and arrangements. The MIDI Control Center software further enhances integration, allowing for custom mapping and personalized control schemes. Unlock the full potential of your Arturia ecosystem with Keystep’s powerful control capabilities.

Troubleshooting
Encountering issues? This section provides solutions for common problems like computer recognition failures, sequencer malfunctions, and MIDI connection difficulties with your Keystep.
Keystep Not Recognized by Computer
If your Keystep isn’t recognized, first ensure the USB cable is securely connected to both the device and your computer. Try a different USB port, preferably a USB 2.0 port, as some devices experience compatibility issues with USB 3.0.
Verify that the Keystep is powered on. Next, download and reinstall the latest version of Arturia’s MIDI Control Center software. This often installs necessary drivers. Check your computer’s device manager (Windows) or system information (macOS) to see if the Keystep appears as an unknown device.
Restart your computer and the Keystep. If problems persist, test the USB cable with another device to rule out a cable fault. Finally, consult Arturia’s support website for further assistance and specific troubleshooting steps.
Sequencer Issues
Experiencing sequencer problems? First, confirm you haven’t accidentally entered step-record mode when intending to play live. Ensure the sequence length is correctly set; a short length can cause unexpected looping. Verify the time division is appropriate for your desired rhythm.
If steps aren’t recording, check the record enable button and ensure sufficient memory is available. Try clearing the current sequence and starting fresh. MIDI clock synchronization issues can also cause erratic behavior; verify your MIDI clock settings.
Consult the manual for detailed explanations of sequencer functions and troubleshooting tips on Arturia’s support website.
MIDI Connection Problems
Facing MIDI connectivity issues? Begin by verifying the USB cable is securely connected to both the Keystep and your computer. Ensure the Keystep is recognized by your operating system – check device manager settings. Confirm that the correct MIDI input is selected within your DAW (Digital Audio Workstation).
If using MIDI cables, inspect them for damage and ensure proper connections to both the Keystep and your MIDI interface or device. Try a different USB port or MIDI cable to rule out hardware faults.
Refer to Arturia’s support resources for specific DAW configuration guides.

Resources and Support
For assistance, visit Arturia’s official support website for FAQs, knowledge base articles, and direct support options. Join the Keystep user forum for community help!
Arturia Support Website
Arturia’s comprehensive support website is your primary destination for resolving any questions or issues regarding your Keystep. Here, you’ll discover a wealth of resources, including a detailed FAQ section addressing common problems and troubleshooting steps.
Explore the extensive knowledge base, filled with articles and tutorials covering all aspects of Keystep functionality, from basic operation to advanced techniques. You can also submit support requests directly to Arturia’s dedicated support team, receiving personalized assistance from experienced professionals. The website provides access to software downloads, firmware updates, and helpful documentation, ensuring your Keystep remains optimized for peak performance.
Keystep User Forum
The Arturia Keystep user forum is a vibrant online community where owners connect, share knowledge, and assist each other. This platform provides a space to ask questions, discuss techniques, and troubleshoot issues with fellow Keystep enthusiasts.
Benefit from the collective experience of a passionate user base, discovering innovative workflows and creative solutions. Search existing threads for answers to common problems or start a new discussion to seek personalized guidance. The forum is an invaluable resource for expanding your understanding of Keystep’s capabilities and staying up-to-date with the latest tips and tricks.