1. Introduction
Thank you for choosing the Mars Gaming MKXTKL Mechanical Gaming Keyboard. This manual provides essential information for setting up, operating, and maintaining your keyboard. Please read it carefully before use.
2. Setup
2.1 Package Contents
Before proceeding, please verify that all components are present:
- Mars Gaming MKXTKL Mechanical Gaming Keyboard
- Detachable Ergonomic Wrist Rest
- User Manual (this document)
2.2 Connecting the Keyboard
The MKXTKL keyboard connects via a standard USB cable. Follow these steps:
- Locate an available USB port on your computer.
- Plug the USB connector of the keyboard into the USB port.
- Your operating system should automatically detect and install the necessary drivers.
2.3 Attaching the Wrist Rest
The ergonomic wrist rest can be easily attached or detached:
- Align the wrist rest with the bottom edge of the keyboard.
- Gently push the wrist rest until it securely clicks into place using its practical fastening system.
- To remove, gently pull the wrist rest away from the keyboard.

Image: The Mars Gaming MKXTKL mechanical keyboard with its ergonomic, detachable wrist rest attached, showcasing its RGB backlighting.
3. Operating Instructions
3.1 Basic Keyboard Functions
The MKXTKL keyboard features a standard French (FR) layout. All keys function as labeled for typing and general computer use.
3.2 RGB Lighting Control
The keyboard is equipped with a 5-color backlight system and 10 predefined RGB lighting profiles. You can customize your keyboard's appearance using the following key combinations:
- Fn + Insert: Cycle through the 10 predefined RGB lighting profiles.
- Fn + Up Arrow: Increase backlight brightness.
- Fn + Down Arrow: Decrease backlight brightness.
- Fn + Left/Right Arrow: Adjust lighting effect speed or direction (depending on the active profile).

Image: A close-up view of the right side of the MKXTKL keyboard, highlighting the Mars Gaming logo and the vibrant RGB backlighting on the arrow keys and function keys.
3.3 Function (Fn) Key Combinations
The Fn key allows access to secondary functions printed on certain keys. Common combinations include:
- Fn + F1-F12: Access multimedia controls or other system functions (e.g., volume, media playback, web browser). Refer to the keycap legends for specific functions.
- Fn + Win: Lock/unlock the Windows key to prevent accidental presses during gaming.
3.4 Mechanical Switches
The MKXTKL keyboard utilizes OUTEMU SQ Blue mechanical switches, known for their tactile feedback and audible click. The keycaps are manufactured with Dual-Injection technology for enhanced durability and longevity.

Image: A detailed close-up of an OUTEMU SQ Blue mechanical switch, showing its transparent housing and blue stem, characteristic of the MKXTKL keyboard.
4. Maintenance
4.1 Cleaning the Keyboard
To ensure optimal performance and longevity, regular cleaning is recommended:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, dry cloth to wipe down the keycaps and keyboard surface.
- For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the keyboard.
- Compressed air can be used to remove dust and debris from between the keys.
- Avoid using harsh chemicals or abrasive materials.
4.2 Storage
When not in use for extended periods, store the keyboard in a clean, dry environment away from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your Mars Gaming MKXTKL keyboard, please refer to the following common solutions:
- Keyboard not responding: Ensure the USB cable is securely connected to both the keyboard and the computer. Try plugging the keyboard into a different USB port or a different computer to rule out port or system issues.
- RGB lighting not working or incorrect: Check if the lighting is turned off (Fn + Down Arrow). Cycle through lighting profiles using Fn + Insert. If a specific lighting mode does not save after power cycling, this may be a design characteristic of the keyboard.
- Specific keys not working: Ensure the keyboard is clean and free of debris that might obstruct key presses. If the issue persists, contact customer support.
- Windows key locked: Press Fn + Win to toggle the Windows key lock function.
6. Specifications
| Brand | Mars Gaming |
| Model | MKXTKLBFR |
| Keyboard Type | Mechanical TKL (Tenkeyless) |
| Key Switches | OUTEMU SQ Blue |
| Layout | French (FR) |
| Backlighting | RGB (5-color system, 10 predefined profiles) |
| Connectivity | USB |
| Material | Acrylonitrile Butadiene Styrene |
| Dimensions (L x W x H) | 36.5 x 13.6 x 3.8 cm |
| Weight | 800 g |
| Special Features | Ergonomic detachable wrist rest, Dual-Injection keycaps |
| Compatible OS | Linux (and generally Windows/macOS) |
7. Warranty Information
Mars Gaming products are covered by a manufacturer's warranty. For detailed information regarding warranty terms, conditions, and duration, please refer to the warranty card included with your purchase or visit the official Mars Gaming website. Keep your proof of purchase for warranty claims.
8. Customer Support
If you require further assistance or have questions not covered in this manual, please visit the official Mars Gaming website for support resources, FAQs, and contact information.
Mars Gaming Official Website: www.marsgaming.eu





