Royal Kludge RKF99 Mechanical Keyboard User Manual
Brand: Royal Kludge
Introduction
This document serves as the user manual for the Royal Kludge RKF99 Mechanical Keyboard.
Product Specifications
| Size | 418(L)x131(W)x41(H) mm |
| Layout | 96% |
| Switch | Gateron/Kailh/Cherry/Mechanical Switches |
| Version | USB3.0+2.4G+BT |
Note: This product does not support fast charging.
Connectivity
Wired Mode
To utilize wired mode, set the switch located on the back of the keyboard to the "OFF" position. Connect the keyboard to your computer using the provided USB Type-C cable.
2.4G Wireless Mode
Set the switch on the back of the keyboard to the "ON" position. To enter pairing mode, long press the FN + Q, FN + W, or FN + E keys. The indicator light will flash during pairing.
On your device, enable Bluetooth, search for the keyboard, and select it for connection. The device name to search for is "RKF99".
(Note: These pairing steps are for connecting to one of three available wireless groups.)
Bluetooth Mode
To connect via Bluetooth, ensure the switch on the back of the keyboard is set to "ON". Long press FN + Q, FN + W, or FN + E to enter pairing mode. The indicator light will flash. On your device's Bluetooth settings, search for "RKF99" and connect.
Indicator Lights & Battery Status
Indicator Lights
- Num Lock: [Num Lock indicator light]
- Caps Lock: [Caps Lock indicator light]
- Scroll Lock: [Scroll Lock indicator light]
- Charging Indicator: A solid red light signifies that the keyboard is charging. The red light turns off when charging is complete.
Battery Level Indication
The battery level is visually represented by a bar graph consisting of four segments. The display shows approximately 10% charge remaining when one segment is illuminated.
When the backlight brightness is simultaneously reduced from level "1" to "0", the battery indicator will flash red for 5 seconds before turning off.
Keyboard Functions & Controls
Backlight Control
The following key combinations allow you to manage the keyboard's backlight:
| Key Combination | Function |
|---|---|
FN + ↑ | Increase Backlight Brightness |
FN + ↓ | Decrease Backlight Brightness |
FN + → | Increase Backlight Speed |
FN + ← | Decrease Backlight Speed |
FN + Print | Change Backlight Color |
FN + PgDn | Switch Backlight Mode |
FN + Home | Start Backlight Recording Mode |
FN + Win | Windows Lock [Disables Windows key] |
FN + Space bar | Press and hold for three seconds to restore factory settings. |
Custom Backlight Effect
To create and save custom backlight effects:
- Press
FN + Hometo enter the custom backlight recording mode. - Press
FN + Endto save the current backlight configuration. - When you have finished customizing, press
FN + Homeagain to exit recording mode and save your custom backlight settings.
Secondary Combination Function Keys
These key combinations provide access to essential system functions:
| Key Combination | Function |
|---|---|
FN + Ins | Pause |
FN + Del | End |
FN + PgUp | Page Up |
FN + PgDn | Page Down |
FN + Home | Home |
FN + End | End |
FN + A | Switch to Windows System |
FN + S | Switch to Mac System |
Multimedia Keys
Access multimedia functions using the following key combinations:
For Windows System
| Key Combination | Function |
|---|---|
FN + F1 | Computer |
FN + F2 | Browser |
FN + F3 | |
FN + F4 | Calculator |
FN + F5 | Previous Song |
FN + F6 | Play/Pause |
FN + F7 | Next Song |
FN + F8 | Stop |
FN + F9 | Mute |
FN + F10 | Volume - |
FN + F11 | Volume + |
FN + F12 | Volume [Mute/Unmute Toggle] |
For Mac System
| Key Combination | Function |
|---|---|
FN + F1 | Launchpad |
FN + F2 | Brightness - |
FN + F3 | Brightness + |
FN + F4 | Mission Control |
FN + F5 | Previous Song |
FN + F6 | Play/Pause |
FN + F7 | Next Song |
FN + F8 | Stop |
FN + F9 | Volume - |
FN + F10 | Volume + |
FN + F11 | Volume [Mute/Unmute Toggle] |
FN + F12 | Volume [Mute/Unmute Toggle] |
Safety and Compliance
FCC Warning
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
RF Exposure Statement
This device complies with FCC RF exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Batteries
This keyboard may contain a battery pack or batteries installed inside. Do not expose to heat, direct sunlight, or flammable liquids. Improper handling of batteries may result in an explosion or leakage of flammable liquid or gas.
When Using a Keyboard
- Maintain proper posture and avoid applying excessive force on the keys.
- Hold the keyboard with both hands.
- Keep the keyboard clean and free from dust and dirt.
- Avoid exposing the keyboard to liquids.
- Avoid using the keyboard in extreme heat, from extreme temperatures, or high humidity. Remember these tips for a comfortable and durable keyboard experience.
Manufacturer Information
Manufacturer: Jingheng Tengwei (Huizhou) Electronic Technology Co., Ltd.
Address: No. 1, Xinxing Road, Xinxing Industrial Park, Xinxing Town, Huizhou City, Guangdong Province, China.
Model: RKF99
Executive Standard: GB/T 14081-2010








