| Field | Details |
| Document Title | Royal Kludge Magnetic Mechanical Keyboard User Manual |
| Document Type | User Manual |
| Brand Name | Royal Kludge (RK) |
| Product Name | C87 Magnetic Mechanical Keyboard |
| Model Number | C87 |
| PDF File Size | 6.41 MB |
| Number of Pages | 36 |
| Languages Covered in the Document | English, Traditional Chinese, German, Russian, French, Spanish, Italian, Japanese, Korean, Turkish, Thai, Arabic, Portuguese (Brazil) |
Royal Kludge C87 Magnetic Mechanical Keyboard
The Royal Kludge C87 is a wired magnetic mechanical keyboard featuring an 87% keyboard layout, adjustable backlighting, Windows and Mac operating system modes, and dedicated multimedia controls.
The keyboard connects to a compatible computer through a USB Type-C to USB-A cable. It includes an Fn key for secondary functions such as changing backlight brightness, adjusting lighting speed, switching lighting modes, locking the Windows key, and restoring factory settings.
The C87 uses magnetic switches that require the correct magnetic pole orientation during replacement. After replacing a magnetic switch, calibration must be performed through the keyboard driver.
Product Overview
C87 Keyboard Specifications
| Specification | Details |
| Brand | Royal Kludge |
| Model | C87 |
| Product Type | Magnetic Mechanical Keyboard |
| Keyboard Layout | 87% |
| Switch Technology | Magnetic switches |
| Connection Type | Wired |
| Connection Interface | USB Type-C |
| Computer Connection | USB Type-C to USB-A cable |
| Keyboard Length | 366.26 mm |
| Keyboard Width | 138.74 mm |
| Keyboard Height | 40.14 mm |
| Dimension Tolerance | ±2 mm |
| Backlight Brightness Control | Supported |
| Backlight Effect Speed Control | Supported |
| Multiple Backlight Modes | Supported |
| Monochrome Lighting Switching | Supported |
| Side Lighting Adjustment | Supported |
| Windows Mode | Supported |
| Mac Mode | Supported |
| Windows Key Lock | Supported |
| Factory Reset | Fn + Spacebar, held for 3 seconds |
| Magnetic Switch Calibration | Through keyboard driver |
| Executive Standard | GB/T 14081-2010 |
| Manufacturing Country | China |
Main Keyboard Features
The Royal Kludge C87 provides the following functions:
- Compact 87% magnetic mechanical keyboard layout.
- USB Type-C wired connection.
- Dedicated function-key row.
- Adjustable keyboard backlight brightness.
- Adjustable backlight effect speed.
- Multiple lighting modes.
- Monochrome lighting switching.
- Side lighting adjustment.
- Backlight on/off control.
- Windows and Mac system modes.
- Multimedia playback shortcuts.
- Screen and keyboard brightness controls on Mac.
- Caps Lock, Scroll Lock, Windows Lock, and Mac status indicators.
- Windows key locking.
- Factory reset through an Fn shortcut.
- Magnetic switch replacement with driver-based calibration.
Keyboard Layout and Components
The C87 has a compact keyboard layout with standard typing keys, function keys, navigation keys, and directional arrow keys.
Keyboard Components
| Component | Function |
| Alphanumeric Keys | Provide standard typing input |
| Fn Key | Activates secondary keyboard functions |
| F1–F12 Keys | Provide function-key and multimedia commands |
| Esc Key | Provides Escape functionality |
| Windows Key | Provides Windows-related commands and supports locking |
| Caps Lock Key | Controls capitalization |
| Scroll Lock Key | Provides Scroll Lock functionality and a lighting shortcut |
| Pause Key | Provides Pause functionality and a monochrome lighting shortcut |
| Insert Key | Provides Insert functionality and side lighting adjustment |
| Backspace Key | Deletes characters and supports the lighting on/off shortcut |
| Spacebar | Provides spacing input and supports factory reset |
| Arrow Keys | Provide directional navigation and lighting adjustments |
| USB Type-C Port | Connects the keyboard to a computer |
| Indicator Lights | Display selected keyboard status conditions |
Keyboard Layout
The 87% layout includes:
- A dedicated function-key row containing F1 through F12.
- A standard alphanumeric typing area.
- Modifier keys such as Shift, Ctrl, Alt, and Windows.
- Navigation keys including Insert, Home, Page Up, Delete, End, and Page Down.
- Separate directional arrow keys.
- Status indicator lights.
The Fn key is used with selected keys to access additional lighting, multimedia, and system functions.
Magnetic Switch Replacement and Calibration
The C87 uses magnetic switches that require correct orientation when a switch is replaced.
Magnetic Switch Orientation
When replacing a magnetic switch, the switch body must be installed with its N-pole facing downward.
This orientation is required for the keyboard’s magnetic switch mechanism.
Calibrating a Replaced Magnetic Switch
After replacing the switch body, the keyboard must be calibrated through its driver software.
The replacement procedure is:
- Remove the switch that requires replacement.
- Position the replacement switch with the N-pole facing downward.
- Install the replacement switch in the appropriate position.
- Open the keyboard driver.
- Perform the required switch calibration in the driver.
Calibration is required after replacing the magnetic switch body.
Before First Use
The keyboard should be connected to a computer through its USB cable before operation.
Initial Setup
- Position the keyboard on a suitable working surface.
- Locate the USB Type-C connection port.
- Connect the USB Type-C end of the cable to the keyboard.
- Connect the USB-A end to an available USB port on the computer.
- Select the appropriate Windows or Mac operating system mode.
- Configure the keyboard’s lighting preferences if required.
Wired USB Type-C Connection
The Royal Kludge C87 operates through a wired USB connection.
How to Connect the C87 Keyboard
- Locate the USB Type-C port on the keyboard.
- Insert the USB Type-C connector into the port.
- Connect the USB-A connector to an available USB port on a computer.
- Use the keyboard through the wired connection.
The USB Type-C to USB-A cable provides the connection between the keyboard and the computer.
Keyboard Indicator Lights
The keyboard has four indicator functions.
Indicator Light Guide
| Indicator | Meaning |
| Caps Lock | Shows the Caps Lock status |
| Scroll Lock (ScrLk) | Shows the Scroll Lock status |
| Win Lock | Shows the Windows key lock status |
| Mac | Indicates Mac system mode |
Caps Lock Indicator
The Caps Lock indicator corresponds to the keyboard’s capitalization setting.
Scroll Lock Indicator
The Scroll Lock indicator corresponds to the Scroll Lock function.
Windows Lock Indicator
The Windows Lock indicator shows the status of the Windows key lock feature.
Mac System Indicator
The Mac indicator remains illuminated while the keyboard is operating in Mac system mode.
Backlight Controls
The Royal Kludge C87 provides keyboard shortcuts for controlling the backlight brightness, effect speed, lighting modes, monochrome switching, and side lighting.
Complete Backlight Shortcut Table
| Key Combination | Function |
| Fn + Up Arrow (↑) | Increase backlight brightness |
| Fn + Down Arrow (↓) | Decrease backlight brightness |
| Fn + Left Arrow (←) | Decrease backlight effect speed |
| Fn + Right Arrow (→) | Increase backlight effect speed |
| Fn + Scroll Lock (ScrLk) | Switch backlight mode |
| Fn + Pause | Switch monochrome lighting |
| Fn + Insert (Ins) | Adjust side lighting |
| Fn + Backspace (Back) | Turn all lights on or off |
Increasing Backlight Brightness
Press Fn + Up Arrow (↑) to increase the backlight brightness.
Decreasing Backlight Brightness
Press Fn + Down Arrow (↓) to decrease the backlight brightness.
Increasing Backlight Effect Speed
Press Fn + Right Arrow (→) to increase the speed of the backlight effect.
Decreasing Backlight Effect Speed
Press Fn + Left Arrow (←) to reduce the speed of the backlight effect.
Changing Backlight Modes
Press Fn + Scroll Lock (ScrLk) to switch between the keyboard’s available backlight modes.
Switching Monochrome Lighting
Press Fn + Pause to activate the monochrome lighting switching function.
Adjusting Side Lighting
Press Fn + Insert (Ins) to adjust the side lighting.
Turning All Lights On or Off
Press Fn + Backspace (Back) to turn all keyboard lights on or off.
Windows Key Lock
The C87 provides a shortcut for controlling the Windows key lock.
Locking the Windows Key
Press Fn + Win.
This activates the Windows Lock function.
Windows Lock Indicator
The Win Lock indicator displays the status of the Windows key lock.
The same shortcut controls the locking function when the Windows key needs to be used again.
Factory Reset
The C87 includes a factory reset shortcut that restores the keyboard’s default settings.
How to Factory Reset the Royal Kludge C87
- Keep the keyboard connected to the computer.
- Press and hold Fn + Spacebar.
- Continue holding both keys for 3 seconds.
- Release the keys after the reset command has been activated.
The keyboard restores its factory settings.
Windows Mode
The C87 supports a Windows operating system mode.
Switching to Windows Mode
Press Fn + A.
This selects the Windows system layout.
Windows Mode Functions
Windows mode provides access to:
- Computer shortcut.
- Browser shortcut.
- Mailbox shortcut.
- Calculator shortcut.
- Media player.
- Playback controls.
- Audio volume controls.
- Mute function.
These functions are assigned to the F1–F12 keys.
Windows Multimedia Shortcut Keys
The following shortcuts apply when the keyboard is operating in Windows mode.
Windows Shortcut Table
| Key Combination | Function |
| Fn + F1 | Computer |
| Fn + F2 | Browser |
| Fn + F3 | Mailbox |
| Fn + F4 | Calculator |
| Fn + F5 | Player |
| Fn + F6 | Stop |
| Fn + F7 | Previous song |
| Fn + F8 | Play/Pause |
| Fn + F9 | Next song |
| Fn + F10 | Mute |
| Fn + F11 | Decrease volume |
| Fn + F12 | Increase volume |
Opening the Computer Shortcut
Press Fn + F1 to activate the Computer shortcut.
Opening the Browser
Press Fn + F2 to open the browser function.
Opening the Mailbox
Press Fn + F3 to activate the mailbox shortcut.
Opening the Calculator
Press Fn + F4 to activate the Calculator shortcut.
Media Player Controls
| Shortcut | Function |
| Fn + F5 | Open Player |
| Fn + F6 | Stop |
| Fn + F7 | Previous song |
| Fn + F8 | Play or pause |
| Fn + F9 | Next song |
Audio Controls
| Shortcut | Function |
| Fn + F10 | Mute |
| Fn + F11 | Decrease volume |
| Fn + F12 | Increase volume |
Mac Mode
The C87 also includes a Mac operating system mode.
Switching to Mac Mode
Press Fn + S.
This selects the Mac system layout.
Mac Mode Functions
Mac mode includes shortcuts for:
- Screen brightness adjustment.
- Keyboard backlight brightness adjustment.
- Previous and next song.
- Play and pause.
- Mute.
- System volume adjustment.
Mac Multimedia Shortcut Keys
The following shortcuts apply when the keyboard is operating in Mac mode.
Mac Shortcut Table
| Key Combination | 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 song |
| Fn + F8 | Play/Pause |
| Fn + F9 | Next song |
| Fn + F10 | Mute |
| Fn + F11 | Decrease volume |
| Fn + F12 | Increase volume |
Mac Screen Brightness
Press Fn + F1 to decrease screen brightness.
Press Fn + F2 to increase screen brightness.
Mac Keyboard Backlight Brightness
Press Fn + F5 to reduce keyboard backlight brightness.
Press Fn + F6 to increase keyboard backlight brightness.
Mac Media Playback
| Shortcut | Function |
| Fn + F7 | Previous song |
| Fn + F8 | Play or pause |
| Fn + F9 | Next song |
Mac Audio Volume
| Shortcut | Function |
| Fn + F10 | Mute |
| Fn + F11 | Decrease volume |
| Fn + F12 | Increase volume |
Switching Between Windows and Mac Mode
The C87 provides separate shortcuts for selecting the keyboard system layout.
System Mode Shortcuts
| Key Combination | Function |
| Fn + A | Switch to Windows mode |
| Fn + S | Switch to Mac mode |
Changing to Windows Mode
Press Fn + A.
Changing to Mac Mode
Press Fn + S.
The Mac indicator identifies when Mac system mode is selected.
Keyboard Driver and Software
The Royal Kludge C87 supports driver-based configuration and magnetic switch calibration.
The driver is required when calibrating magnetic switches after replacement.
Driver Website
The driver address supplied in the manual is:
Magnetic Switch Calibration
After replacing a magnetic switch:
- Confirm that the replacement switch has been installed with its N-pole facing downward.
- Open the keyboard driver.
- Complete the required calibration through the driver.
The keyboard must be calibrated after magnetic switch replacement.
Japanese Input Mode
The Japanese-language instructions include additional guidance for typing Japanese characters with the keyboard.
Caps Lock and Kana Input
The Japanese section describes different key outputs depending on the Caps Lock and Shift states.
It provides separate character-reference tables for:
- Caps Lock enabled.
- Caps Lock enabled with Shift.
- Caps Lock disabled with Shift.
- Caps Lock disabled.
Japanese Input Precautions
When using Japanese input, the system’s Japanese input method must be enabled.
Some shortcuts require Shift and Fn to be pressed together with the assigned key. Fn combinations only work when the appropriate key combination is used.
The character output can vary according to the selected keyboard layout and input method.
Complete C87 Keyboard Shortcut Reference
The following table summarizes the keyboard’s main controls.
| Key Combination | Function |
| Fn + A | Windows mode |
| Fn + S | Mac mode |
| Fn + Up Arrow | Increase backlight brightness |
| Fn + Down Arrow | Decrease backlight brightness |
| Fn + Left Arrow | Decrease backlight effect speed |
| Fn + Right Arrow | Increase backlight effect speed |
| Fn + Scroll Lock | Switch backlight mode |
| Fn + Pause | Switch monochrome lighting |
| Fn + Insert | Adjust side lighting |
| Fn + Backspace | Turn all lights on or off |
| Fn + Win | Windows Lock |
| Fn + Spacebar (hold 3 seconds) | Factory reset |
| Fn + F1 (Windows) | Computer |
| Fn + F2 (Windows) | Browser |
| Fn + F3 (Windows) | Mailbox |
| Fn + F4 (Windows) | Calculator |
| Fn + F5 (Windows) | Player |
| Fn + F6 (Windows) | Stop |
| Fn + F7 | Previous song |
| Fn + F8 | Play/Pause |
| Fn + F9 | Next song |
| Fn + F10 | Mute |
| Fn + F11 | Decrease volume |
| Fn + F12 | Increase volume |
| Fn + F1 (Mac) | Decrease screen brightness |
| Fn + F2 (Mac) | Increase screen brightness |
| Fn + F5 (Mac) | Decrease keyboard backlight brightness |
| Fn + F6 (Mac) | Increase keyboard backlight brightness |
Customer Support Information
Royal Kludge provides customer support for product questions and operating issues.
Manufacturer Information
| Field | Details |
| Brand | Royal Kludge |
| Manufacturer | JingHeng TengWei (HuiZhou) Electronic Technology Co., Ltd. |
| Manufacturer Address | No. 8, Minying 1st Road, Yuanzhou Town, Boluo County, Huizhou City, Guangdong Province, China |
| Driver Website | https://drive2.rkgaming.com/ |
| Executive Standard | GB/T 14081-2010 |
| Manufacturing Country | China |
| Document Identification | 166-088803-001 |
For product questions or operating issues, customers can contact Royal Kludge through its customer support channels.
Frequently Asked Questions
1. How is the Royal Kludge C87 connected to a computer?
The C87 uses a USB Type-C wired connection. The Type-C end of the cable connects to the keyboard, while the USB-A end connects to an available USB port on the computer.
2. How can the backlight brightness be adjusted on the C87?
Press Fn + Up Arrow to increase backlight brightness or Fn + Down Arrow to decrease it. Backlight effect speed is controlled using Fn + Left Arrow and Fn + Right Arrow.
3. How can the lighting mode be changed?
Press Fn + Scroll Lock to switch between the keyboard’s available lighting modes. Fn + Pause controls monochrome switching, and Fn + Insert adjusts the side lighting.
4. How can all keyboard lights be turned off?
Press Fn + Backspace to turn all keyboard lights off or on.
5. How is the Royal Kludge C87 factory reset?
Press and hold Fn + Spacebar for three seconds to restore the keyboard’s factory settings.
6. How is the C87 switched between Windows and Mac mode?
Press Fn + A to select Windows mode or Fn + S to select Mac mode.
7. How should a magnetic switch be installed on the C87?
A replacement magnetic switch must be installed with its N-pole facing downward. After the switch is installed, it must be calibrated through the keyboard driver.
8. Where can the Royal Kludge C87 driver be accessed?
The driver website listed in the user manual is https://drive2.rkgaming.com/. The driver is used for supported keyboard configuration and magnetic switch calibration.




