RK ROYAL KLUDGE RK87 Mechanical Wireless Keyboard User Manual

Product Overview

This manual provides instructions for the RK ROYAL KLUDGE RK87 Mechanical Wireless Keyboard. It covers setup, connectivity, and features.

Package Contents

• RK ROYAL KLUDGE RK87 Mechanical Keyboard
• Type-C Cable
• User Manual

Wired Mode & Charging

Connect the keyboard using the provided Type-C cable. When the USB is plugged in, the indicator light flashes to show the charging state. For optimal performance, fully charge the keyboard before first use. A fully charged keyboard will have a steady light, and a low battery is indicated by fast flashing.

Bluetooth (BT) Connection

To connect via Bluetooth:

1. Switch the power to ON.
2. Short press Fn + Q/W/E to select a Bluetooth channel.
3. Long press Fn + Q/W/E to enter pairing mode.

2.4Ghz Connection

To connect via 2.4Ghz:

1. Switch the power to ON.
2. Switch to the G mode (indicated by a specific light).

Backlight Control

Use the following key combinations to control the backlight:

• Switch Backlight Mode: Fn + `
• Backlight Brightness +: Fn + ]
• Backlight Brightness -: Fn + [
• Windows Lock: Fn + Win
• Monochrome Switching: Fn + ←
• Backlight Speed +: Fn + →
• Backlight Speed -: Fn + ←
• Restore to factory settings: Fn + Esc (Hold for 3 seconds)

Custom Backlight Settings

1. Press Fn + ` to select a backlight mode.
2. Press Fn + ` again to enter custom backlight settings (indicator lights will blink).
3. Press the keys you want to set the backlight for. Repeat for other keys.
4. Press Fn + ` again to save and exit.

Multimedia Keys for Windows

In Windows mode (Fn + A to switch to Windows system):

• Fn + F1: Computer
• Fn + F2: Browser
• Fn + F3: Mailbox
• Fn + F4: Calculator
• Fn + F5: Player
• Fn + F6: Stop
• Fn + F7: Last song
• Fn + F8: Play / pause
• Fn + F9: Next song
• Fn + F10: Mute
• Fn + F11: Volume -
• Fn + F12: Volume +

Multimedia Keys for Mac

In Mac system (Fn + S to switch to Mac system):

• Fn + F7: Last song
• Fn + F8: Play / pause
• Fn + F9: Next song
• Fn + F10: Mute
• Fn + F11: Volume -
• Fn + F12: Volume +

System Requirements

BT Mode

• Device With Bluetooth 5.1 or later
• PC: Windows 7 or Later
• Mac: macOS X 10.6 Snow Leopard or Later
• iOS: All iPads/iPhone 5 or Later
• Android: 5.0 Lollipop or Later

Wired/2.4Ghz Mode

• Computer With Available USB port
• PC: Windows 7 or Later
• Mac: macOS X 10.6 Snow Leopard or Later

Indicator Light Prompt Function

The indicator lights (from left to right) indicate:

• 1. Caps Lock
• 2. Scrlk
• 3. WIN Lock
• 4. Charging status: Breathing state means charging, fast flashing means low battery, steady light means full charge.

Support

For any product issues or questions regarding RK products, please contact the seller. Royal Kludge aims to provide prompt assistance.

Safety Information

WARNING: This product can expose you to chemicals including {name of one or more chemicals}, which is (are) known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov.

Executive standard: GB/T 14081-2010