1. Product Overview
The MMD KM17 is a compact, 17-key mechanical numerical keyboard designed for professionals and enthusiasts. Featuring a durable CNC aluminum alloy body, full key hot-swap capability, and customizable functions via VIA software, it offers a premium and versatile input experience for various applications.

2. Package Contents
- 1 x MMD-KM17 Keyboard
- 1 x USB-A to USB-C data cable
- 1 x Product Manual
3. Setup Guide
3.1 Connecting the Keyboard
- Locate the USB-C port on the MMD KM17 keyboard.
- Connect one end of the provided USB-A to USB-C data cable to the keyboard's USB-C port.
- Connect the other end of the cable (USB-A) to an available USB port on your computer (Desktop, Laptop, Tablet).
- The keyboard is plug-and-play and should be recognized automatically by your operating system (Windows or macOS).
3.2 Customizing Key Functions (VIA Software)
The MMD KM17 keyboard supports full key customization using VIA software. This allows you to remap keys, create macros, and configure the knob interface to suit your workflow.
- To download the VIA software and access customization guides, visit the official MMD KM17 GitHub page: https://mmdkm.github.io/
- Follow the instructions on the website to install and use the VIA software for advanced customization.

4. Operating Instructions
4.1 Basic Operation
Once connected, the MMD KM17 functions as a standard 17-key numerical keypad. Use it for numerical input, calculations, and other standard functions.
4.2 Advanced Functions and Software Integration
Leverage the customizable keys and knob for enhanced productivity in various software applications. The keyboard is designed to integrate seamlessly with:
- Design & Editing Software: Photoshop (PS), Illustrator (Ai), InDesign (Id), Premiere Pro (Pr), After Effects (Ae), Audition (Au), Dreamweaver (Dw), Animate (An), Fresco (Fr), Dimension (Dn), Substance (Ds), Painter (Pt), Sketchbook (Sg), Marvelous Designer (Md), AutoCAD (A), C4D, Maya (M), 3ds Max (3).
- Office & Productivity: Forms, daily work tasks (e.g., copy, paste, save, switch).
- Gaming: Specific competitive games (e.g., League of Legends) with custom keybinds.

5. Maintenance
5.1 Cleaning
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, dry cloth to wipe the surface of the keyboard.
- For deeper cleaning, you may use a slightly damp cloth with a mild cleaning solution, ensuring no liquid enters the keyboard.
- Compressed air can be used to remove dust and debris from between keycaps.
5.2 Hot-Swap Switches and Keycaps
The MMD KM17 features full key hot-swap sockets, allowing you to easily change switches and keycaps without soldering.
- To remove a keycap, gently pull it upwards using a keycap puller.
- To remove a switch, use a switch puller to carefully dislodge it from the PCB.
- When installing new switches, ensure the pins are aligned correctly with the sockets to avoid bending.
- Press new keycaps firmly onto the switch stems.

6. Troubleshooting
- Keyboard not recognized: Ensure the USB-C cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
- Keys not responding: Check for debris under the keycap or switch. If using hot-swap switches, ensure the switch is fully seated in its socket.
- Customization issues: Verify that the VIA software is correctly installed and the keyboard firmware is up to date. Refer to the VIA software documentation on the MMD KM17 GitHub page.
- RGB lighting not working: Check VIA software settings for lighting controls.
7. Specifications
| Feature | Description |
|---|---|
| Product Name | MMD-KM17 |
| Keyboard Layout | 17 keys (Numerical) |
| Operation Style | Mechanical |
| Switches | MMD-Ice Cream V3 (Linear) Trigger pressure: 55±5gf Bottom pressure: 62±5gf Trigger stroke: 2.0±0.1mm Total Travel: 3.6±0.2mm |
| Hot-Swap | Full key hot-swap support |
| Keycaps | ASA Transparent Keycap |
| Body Material | CNC Aluminum Alloy |
| Interface | Type-C (Wired) |
| Rated Voltage | DC 5V |
| Working Current | ≤ 400mA |
| Dimensions (L x W x H) | 107mm x 85mm x 42mm |
| Weight | Approximately 0.4kg |
| Compatible Systems | Windows, macOS |
| RGB Lighting | Yes |
| Ergonomics | Yes |
| Battery Included | Yes (Likely for settings memory, primary connection is wired) |



8. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the seller or manufacturer directly. The manufacturer offers professional after-sales service and remote guidance for users.
For software-related support and customization, refer to the official VIA software page for the MMD KM17: https://mmdkm.github.io/





