1. Introduction
Thank you for choosing the Rii RM400 LED Gaming Keyboard & Mouse Combo. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your new gaming peripherals. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.
Figure 1: Rii RM400 LED Gaming Keyboard and Mouse Combo. This image displays the full keyboard and mouse set, highlighting the LED backlighting and ergonomic design.
2. Setup Instructions
Follow these steps to connect your Rii RM400 Gaming Keyboard and Mouse to your computer.
- Unpack Components: Carefully remove the keyboard and mouse from their packaging. Ensure all components are present.
- Connect Keyboard: Locate the USB cable attached to the Rii RM400 keyboard. Plug the USB connector into an available USB port on your computer.
- Connect Mouse: Locate the USB cable attached to the Rii RM400 mouse. Plug the USB connector into another available USB port on your computer.
- System Recognition: Your operating system (e.g., Windows, macOS) should automatically detect and install the necessary drivers. This process may take a few moments. No additional software installation is typically required for basic functionality.
- Verify Connection: Once drivers are installed, the keyboard's LED backlighting should illuminate, and the mouse cursor should respond to movement.
3. Operating Instructions
3.1 Keyboard Functions
- Standard Typing: Use the keyboard for all standard typing and input tasks.
- LED Backlight Control:
- Press the Scroll Lock key to turn the LED backlight on or off.
- The keyboard features a 7-color static backlight. Color cycling is automatic and cannot be manually adjusted.
- Multimedia Keys: The keyboard may include dedicated multimedia function keys (e.g., F1-F12 with Fn combinations). Refer to the keycap legends for specific functions such as volume control, media playback, and web browser shortcuts.
3.2 Mouse Functions
- Standard Buttons: The mouse features left-click, right-click, and scroll wheel buttons for standard navigation and interaction.
- DPI Adjustment: The mouse may include a DPI (Dots Per Inch) button, typically located near the scroll wheel. Pressing this button cycles through different sensitivity levels, allowing you to adjust cursor speed to your preference.
- LED Lighting: The mouse also features LED lighting that may change color or pattern, indicating its operational status or DPI setting.
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Rii RM400 combo.
- Cleaning the Keyboard:
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, slightly damp cloth to wipe the surface of the keyboard. Avoid excessive moisture.
- For dust and debris between keys, use compressed air or a soft brush.
- Do not use harsh chemicals, abrasive cleaners, or solvents.
- Cleaning the Mouse:
- Disconnect the mouse from your computer.
- Wipe the mouse surface with a soft, slightly damp cloth.
- Clean the optical sensor on the underside of the mouse with a cotton swab lightly dampened with rubbing alcohol, if necessary. Ensure it is dry before reconnecting.
- Storage: When not in use for extended periods, store the keyboard and mouse in a clean, dry environment away from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your Rii RM400 combo, refer to the following common solutions:
- Keyboard or Mouse Not Responding:
- Ensure both USB cables are securely plugged into your computer's USB ports.
- Try plugging the devices into different USB ports.
- Restart your computer.
- Test the devices on another computer to determine if the issue is with the peripherals or your system.
- LED Backlight Not Working:
- Press the Scroll Lock key to toggle the backlight on/off.
- Ensure the keyboard is properly connected and receiving power.
- Mouse Cursor Jumps or is Erratic:
- Clean the optical sensor on the underside of the mouse.
- Ensure you are using the mouse on a clean, non-reflective, and uniform surface. Mouse pads are recommended.
- Try adjusting the DPI setting using the DPI button on the mouse.
- Keys Not Registering:
- Check for any physical obstructions under the keycaps.
- Ensure the keyboard is clean and free of debris.
6. Specifications
Key technical specifications for the Rii RM400 LED Gaming Keyboard & Mouse Combo:
| Feature | Detail |
|---|---|
| Brand | Rii |
| Model Number | RM400 |
| Hardware Platform | PC |
| Keyboard Description | Gaming |
| Special Feature | Backlit (7 Color) |
| Compatible Devices | Gaming Console (and PC) |
| Manufacturer | Zettaguard Inc. |
7. Warranty and Support
Rii products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your product or visit the official Rii website. If you require technical assistance or have questions not covered in this manual, please contact Rii customer support through their official channels.
Online Support: For the most up-to-date support information, FAQs, and contact details, please visit the Rii Official Store Page.





