1. Introduction
Thank you for choosing the MRSVI K1 PRO Visual LCD AI Keyboard. This 80% layout mechanical keyboard is designed for both gaming and office use, featuring advanced visual macro programming, hot-swappable switches, and customizable RGB backlighting. This manual will guide you through the setup, operation, and maintenance of your new keyboard.
2. Key Features
- Visual Macro Programming: Customize shortcut keys, icons, and actions on the LCD keys for quick access to programs and functions.
- Hot-Swappable Switches: Compatible with 3-pin or 5-pin switches, allowing for easy customization and replacement of individual switches without soldering.
- Gasket Mount Structure: Provides a soft, elastic feel and pure key sound.
- 80% Layout: Compact design with 78 keys, suitable for various desktop setups.
- Multifunctional Knobs: Three dedicated knobs for quick control of keyboard lighting and computer volume.
- RGB Backlighting: Customizable RGB lighting with various effects.
- Wired Connectivity: Stable and fast connection via detachable Type-C USB cable.
- Ergonomic Design: Features adjustable foot support (6 to 13 degrees) to relieve wrist fatigue.
- Durable Switches: Pre-lubricated switches built to last up to 70 million keystrokes.
- Cross-Platform Compatibility: Supports both Mac and Windows systems.
3. Package Contents
Please check the package for the following items:
- MRSVI K1 PRO Keyboard (x1)
- USB Type-C Cable (x1)
- Switch and Keycap Puller (x1)
- Function Card & Manual (x1)
4. Setup Guide
- Unpacking: Carefully remove the keyboard and all accessories from the packaging.
- Connect the Cable: Connect one end of the provided USB Type-C cable to the Type-C port on the keyboard and the other end to an available USB port on your computer.

Image: USB-C interface on the MRSVI K1 PRO keyboard for wired connection. - Initial Power On: The keyboard should power on automatically once connected. The RGB backlighting will illuminate.
- Driver Installation (Optional): For full customization features, including visual macro programming and advanced lighting effects, download and install the MRSVI K1 PRO software from the official website.
5. Operating Instructions
5.1 Basic Keyboard Functions
The MRSVI K1 PRO functions as a standard 78-key mechanical keyboard for typing and general computer use. All standard keys (letters, numbers, symbols, function keys F1-F12, arrow keys, etc.) operate as expected.
5.2 Visual LCD AI Keys & Macro Programming
The keyboard features dedicated LCD keys that can be visually customized for macro programming. This allows you to assign specific functions, launch applications, or execute complex commands with a single press.
- Software Installation: Ensure the MRSVI K1 PRO customization software is installed on your computer.
- Access Customization: Open the software. You will see a visual representation of your keyboard.
- Assign Functions:
- Select an LCD key on the software interface.
- Choose from various functions such as:
- Keyboard: Assign standard key presses.
- GIF Wallpaper: Display custom GIFs on the LCD screen.
- Windows Controller: Control Windows functions (e.g., brightness, mute, volume, task manager).
- Favorite Web: Open specific websites (e.g., Temu, AliExpress, Amazon, YouTube, Facebook, Netflix, TikTok).
- Music Console: Control media playback (play/pause, next/previous track, volume).
- Info. Board: Display information.
- Word: Assign text editing shortcuts (e.g., bold, italic, underline, save, search).
- Toolbox: Access various tools like website shortcuts, hotkeys, mouse events, opening apps, text input, passwords, multimedia controls.
- Operation Flow: Create complex action sequences.
- Customize the icon and title for each assigned function.
- Save and Apply: Save your configurations within the software to apply them to the keyboard.

5.3 Hot-Swappable Switches
The K1 PRO keyboard supports hot-swappable switches, allowing you to change the mechanical switches without soldering.
- Power Off: Disconnect the keyboard from your computer.
- Remove Keycap: Use the provided keycap puller to gently remove the keycap from the switch you wish to replace.
- Remove Switch: Use the provided switch puller to carefully grip the switch and pull it straight up.
- Insert New Switch: Align the pins of the new 3-pin or 5-pin mechanical switch with the holes on the PCB. Press down gently until the switch clicks into place. Ensure the pins are not bent.
- Replace Keycap: Place the keycap back onto the new switch.


5.4 Multifunctional Knobs
The K1 PRO keyboard is equipped with three knobs for quick control:
- Left Knob: Typically controls RGB lighting effects or brightness.
- Middle Knob: Often controls system volume.
- Right Knob: Can be customized for various functions via the software.
Rotate the knobs to adjust settings. Pressing the knobs may also trigger specific functions (e.g., mute volume, cycle through lighting modes).

5.5 RGB Backlighting
The keyboard features customizable RGB backlighting. Use the dedicated software or the multifunctional knobs to adjust lighting modes, colors, and brightness.

6. Maintenance
- Cleaning Keycaps: Use a soft, damp cloth to wipe down keycaps. For deeper cleaning, remove keycaps using the provided puller and wash them with mild soap and water. Ensure they are completely dry before reattaching.
- Cleaning the Keyboard Body: Use a soft, dry cloth to wipe the keyboard body. Avoid using harsh chemicals or abrasive materials.
- Dust Removal: Use compressed air to remove dust and debris from between the keys.
- Cable Care: Avoid bending or twisting the USB-C cable excessively to prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding | Loose cable connection, incorrect USB port, driver issue. |
|
| Backlighting not working or incorrect | Software settings, knob adjustment, power issue. |
|
| Macro keys not functioning | Software not running, incorrect macro assignment, software conflict. |
|
| Keys feel inconsistent or sticky | Dust/debris under keycap, switch malfunction. |
|
| Compatibility issues with Mac/Windows | Software version, system settings. |
|
8. Specifications
| Feature | Detail |
|---|---|
| Brand | MRSVI |
| Model | K1 PRO |
| Layout | 80% (78 Keys) |
| Switch Type | Mechanical (Red Axis, Hot-Swappable) |
| Backlight | RGB |
| Connectivity | Wired (USB Type-C) |
| Polling Rate | 1000Hz (USB 2.0 compatible with 3.0) |
| Operation Style | Mechanical |
| Application | Desktop |
| Language | English (Default) |
| Ergonomics | Adjustable foot support (6 to 13 degrees) |
| Switch Lifespan | Up to 70 million keystrokes |
| Package Dimensions (L x W x H) | 44 cm x 20 cm x 7 cm |
| Package Weight | 1.055 kg |
| Certification | CE |
9. User Tips
- Mac/Windows Compatibility: The customization software is compatible with both Windows and Mac. Shortcuts and settings can be configured similarly on both operating systems.
- Custom Layouts: While the default layout is English, some users inquire about changing to other layouts (e.g., Spanish with 'ñ'). This may be possible through software customization or by replacing keycaps with a compatible set.
- Gaming Console Compatibility: The keyboard is primarily designed for PC use. Compatibility with gaming consoles like PS5 is not guaranteed and may require additional adapters or specific console settings.
- Casing Material: The casing is typically made of durable plastic, providing a solid build for daily use.
10. Warranty and Support
The MRSVI K1 PRO keyboard comes with a standard manufacturer's warranty. Please refer to the Function Card & Manual included in your package for specific warranty terms and conditions. For technical support, driver downloads, or further assistance, please visit the official MRSVI website or contact their customer service.