| Field | Details |
| Document Title | Mechanical Keyboard User Manual |
| Document Type | User Manual |
| Brand Name | Royal Kludge (RK) |
| Product Name | RK84 Mechanical Keyboard |
| Model Number(s) | RK84 |
| PDF File Size | 9.98 MB |
| Number of Pages | 36 |
| Languages Covered | English, Traditional Chinese, German, Russian, French, Spanish, Italian, Japanese, Korean, Turkish, Thai, Arabic, Portuguese (Brazil) |
Royal Kludge RK84 Mechanical Keyboard
The Royal Kludge RK84 is an 80% layout mechanical keyboard designed for desktop computing, typing, and multimedia control. Its compact design measures 317 × 126 × 42 mm and includes dedicated function keys, navigation controls, LED backlighting, and Windows and Mac keyboard layouts.
The RK84 mechanical keyboard supports wired USB operation through the keyboard’s USB connector. It includes Fn key combinations for controlling backlight brightness, lighting-effect speed, backlight colors, and lighting modes.
The keyboard also provides multimedia shortcuts for opening applications, controlling music playback, adjusting volume, and changing display brightness on supported systems.
Windows and Mac layouts can be selected using Fn + A and Fn + S. Additional shortcuts provide Insert, Scroll Lock, Windows key locking, and a factory reset function.
These instructions cover the RK84 keyboard’s specifications, wired setup, backlight settings, function keys, Windows and Mac shortcuts, factory reset, and driver support.
Technical Specifications
| Specification | Details |
| Brand | Royal Kludge (RK) |
| Product | RK84 Mechanical Keyboard |
| Keyboard Layout | 80% |
| Keyboard Type | Mechanical |
| Length | 317 mm |
| Width | 126 mm |
| Height | 42 mm |
| Dimension Tolerance | ±2 mm |
| Connection Described | Wired USB |
| Backlighting | Adjustable Brightness, Speed, Colors, and Modes |
| Windows Layout | Supported |
| Mac Layout | Supported |
| Function Keys | F1–F12 |
| Multimedia Controls | Supported |
| Windows Key Lock | Supported |
| Factory Reset | Fn + Spacebar |
| Driver Download | https://en.rkgaming.com/download/1/ |
Keyboard Parts and Components
The RK84 features a compact keyboard layout with a function row, letter keys, modifier keys, and navigation controls.
Main Keyboard Components
| Component | Function |
| Mechanical Keys | Provide typing and command input |
| Function Keys F1–F12 | Perform standard function and multimedia operations |
| Fn Key | Activates secondary keyboard functions |
| Arrow Keys | Provide directional input and backlight adjustments |
| Home Key | Switches backlight modes when used with Fn |
| End Key | Switches backlight colors when used with Fn |
| Print Screen Key | Provides the Insert function with Fn |
| Pause Key | Provides Scroll Lock with Fn |
| Windows Key | Can be locked using Fn |
| Spacebar | Used with Fn to restore factory settings |
| USB Connector | Provides the wired connection |
| Backlighting | Illuminates the keys using selectable lighting settings |
Compact Keyboard Layout
The keyboard uses an 80% layout, providing a compact arrangement while retaining commonly used navigation and function keys.
Several keys also support additional functions through Fn combinations.
Before First Use
The keyboard connects to a compatible computer through a USB cable.
Preparing the Keyboard
- Place the keyboard on a stable surface.
- Locate the USB connector on the keyboard.
- Prepare the USB connection cable.
- Connect the keyboard to the computer.
- Select the required Windows or Mac keyboard layout.
How to Connect the RK84 in Wired Mode
The wired connection allows the keyboard to communicate with the computer through USB.
Wired Setup Instructions
- Locate the USB connection on the keyboard.
- Insert the appropriate end of the USB cable into the keyboard.
- Connect the USB-A end to an available USB port on the computer.
- Use the keyboard through the wired connection.
The wired-mode illustration shows the keyboard connected directly to a computer through a USB cable.
Keyboard Backlight Controls
The RK84 provides keyboard shortcuts for changing the illumination brightness, lighting-effect speed, color, and backlight mode.
Backlight Shortcut Guide
| Shortcut | Function |
| Fn + ↑ | Increase Backlight Brightness |
| Fn + ↓ | Decrease Backlight Brightness |
| Fn + ← | Decrease Backlight Effect Speed |
| Fn + → | Increase Backlight Effect Speed |
| Fn + End | Switch Backlight Color |
| Fn + Home | Switch Backlight Mode |
Adjusting Backlight Brightness
The brightness of the keyboard illumination can be increased or decreased using the arrow keys.
- Fn + Up Arrow: Increases backlight brightness.
- Fn + Down Arrow: Decreases backlight brightness.
Adjusting Backlight Effect Speed
The speed of the selected lighting effect can be controlled independently of brightness.
- Fn + Left Arrow: Decreases the effect speed.
- Fn + Right Arrow: Increases the effect speed.
Changing Backlight Colors
Press Fn + End to switch the keyboard’s backlight color.
Switching Backlight Modes
Press Fn + Home to change the backlight mode.
The keyboard switches to another available lighting mode each time the shortcut is activated.
Windows Key Lock
The RK84 includes a Windows key lock function.
How to Lock the Windows Key
Press Fn + Win.
The shortcut activates the keyboard’s Windows Lock function.
This control is useful when the Windows key should not interrupt the current keyboard activity.
Secondary Function Key Combinations
The keyboard provides additional functions through Fn combinations.
Special Function Key Table
| Shortcut | Function |
| Fn + PrtSc | Insert |
| Fn + Pause | Scroll Lock |
| Fn + A | Switch to Windows System |
| Fn + S | Switch to Mac System |
Insert Function
Press Fn + PrtSc to perform the Insert key function.
Scroll Lock Function
Press Fn + Pause to activate the Scroll Lock function.
Windows and Mac Keyboard Layouts
The RK84 supports separate Windows and Mac system layouts.
Switching to Windows Mode
Press Fn + A to select Windows mode.
Switching to Mac Mode
Press Fn + S to select Mac mode.
The available multimedia shortcuts depend on the selected operating system layout.
Windows Multimedia Shortcuts
When Windows mode is selected, the F1–F12 function keys provide shortcuts for opening applications, controlling playback, and adjusting volume.
Windows Multimedia Function Table
| Shortcut | Function |
| Fn + F1 | Open Computer |
| Fn + F2 | Open Browser |
| Fn + F3 | Open Mailbox |
| Fn + F4 | Open Calculator |
| Fn + F5 | Open Media Player |
| Fn + F6 | Stop Playback |
| Fn + F7 | Previous Track |
| Fn + F8 | Play/Pause |
| Fn + F9 | Next Track |
| Fn + F10 | Mute |
| Fn + F11 | Decrease Volume |
| Fn + F12 | Increase Volume |
Application Shortcuts
The Windows multimedia functions include direct access to common applications:
- Computer
- Browser
- Mailbox
- Calculator
- Media Player
Music Playback Controls
The playback shortcuts allow the keyboard to control compatible media applications.
| Shortcut | Action |
| Fn + F6 | Stop |
| Fn + F7 | Previous Track |
| Fn + F8 | Play or Pause |
| Fn + F9 | Next Track |
Windows Volume Controls
- Fn + F10 mutes the audio output.
- Fn + F11 reduces volume.
- Fn + F12 increases volume.
Mac Multimedia Shortcuts
The Mac layout includes shortcuts for display brightness, keyboard backlight brightness, music playback, and volume.
Mac Multimedia Function Table
| Shortcut | Function |
| Fn + F1 | Decrease Screen Brightness |
| Fn + F2 | Increase Screen Brightness |
| Fn + F5 | Decrease Keyboard Backlight Brightness |
| Fn + F6 | Increase Keyboard Backlight Brightness |
| Fn + F7 | Previous Track |
| Fn + F8 | Play/Pause |
| Fn + F9 | Next Track |
| Fn + F10 | Mute |
| Fn + F11 | Decrease Volume |
| Fn + F12 | Increase Volume |
Adjusting Mac Screen Brightness
In Mac mode:
- Fn + F1 decreases display brightness.
- Fn + F2 increases display brightness.
Adjusting Keyboard Backlighting in Mac Mode
- Fn + F5 decreases keyboard backlight brightness.
- Fn + F6 increases keyboard backlight brightness.
Controlling Music Playback
The keyboard supports previous track, play/pause, and next track functions using Fn + F7, Fn + F8, and Fn + F9.
Japanese Keyboard Input Functions
The Japanese-language instructions include additional key-output examples for Japanese input configurations.
The illustrated key behavior depends on Caps Lock, Shift, and the selected Japanese input mode.
Japanese Input Modes
| Input Condition | Function |
| Caps Lock On | English letters and symbols |
| Caps Lock On + Shift | Alternate English symbols |
| Caps Lock Off | Japanese kana input |
| Caps Lock Off + Shift | Alternate Japanese character and symbol input |
The Japanese keyboard diagrams also identify additional character-input combinations using Fn and Shift.
The resulting characters depend on the system’s Japanese input settings and keyboard configuration.
How to Restore Factory Settings
The keyboard supports a factory reset using Fn + Spacebar.
RK84 Factory Reset Instructions
- Locate the Fn key.
- Press and hold Fn + Spacebar.
- Keep both keys pressed for three seconds.
- The keyboard restores its factory settings.
| Function | Shortcut | Duration |
| Factory Reset | Fn + Spacebar | 3 Seconds |
Royal Kludge RK84 Driver Download
Royal Kludge provides a driver download resource for the keyboard.
Driver Download Address
https://en.rkgaming.com/download/1
The manufacturer identifies this address in the multimedia function instructions.
Customer Support Information
Royal Kludge provides customer assistance for product issues and questions.
Manufacturer Details
| Field | Information |
| Brand | Royal Kludge |
| Manufacturer | JingHeng TengWei (HuiZhou) Electronic Technology Co., Ltd. |
| Address | No. 8, Minying 1st Road, Yuanzhou Town, Boluo County, Huizhou City, Guangdong Province, China |
| Executive Standard | GB/T 14081-2010 |
| Driver Download | https://en.rkgaming.com/download/1/ |
Customers with product issues or questions can contact Royal Kludge customer support.
Frequently Asked Questions
1. How do I connect the Royal Kludge RK84 keyboard?
The RK84 uses a USB connection in the supplied guide. Connect the USB cable to the keyboard and insert the other end into an available USB port on the computer.
2. How do I change the RK84 backlight color?
Press Fn + End to switch the backlight color.
3. How do I change the RK84 backlight mode?
Press Fn + Home to switch between the available backlight modes.
4. How do I adjust the RK84 backlight brightness and effect speed?
Use Fn + Up Arrow to increase brightness and Fn + Down Arrow to decrease it. Press Fn + Right Arrow to increase lighting-effect speed or Fn + Left Arrow to decrease it.
5. How do I switch the RK84 between Windows and Mac modes?
Press Fn + A to select Windows mode or Fn + S to select Mac mode.
6. How do I reset the Royal Kludge RK84 keyboard?
Press and hold Fn + Spacebar for three seconds. The keyboard restores its factory settings.
7. How do I lock the Windows key on the RK84?
Press Fn + Win to activate the Windows Lock function.




