Mechanical Keyboard F99

Royal Kludge Mechanical Keyboard F99

The Royal Kludge F99 is a 98% layout mechanical keyboard featuring adjustable backlighting and three connection modes: USB wired, Bluetooth and 2.4GHz wireless. It combines a compact keyboard design with a dedicated function row, navigation keys, arrow keys and a numeric keypad.

The F99 supports three Bluetooth device profiles, allowing it to connect to multiple compatible devices through the Fn + Q, Fn + W and Fn + E shortcuts. Its 2.4GHz wireless mode uses a USB receiver paired with the keyboard at the factory. Wired operation is available through the USB Type-C connection.

The keyboard features monochrome or RGB backlighting, depending on the version. Users can adjust lighting brightness, change effect speed, switch backlight colors and create a custom illuminated key arrangement using Fn combinations.

The F99 also includes battery and charging indicators, a battery-level display function, Windows and Mac keyboard layouts, multimedia shortcuts and a factory reset function.

Technical Specifications

What’s Included in the Box

The Royal Kludge F99 package includes the keyboard and the following accessories.

Keyboard Parts and Components

The F99 uses a 98% keyboard layout with mechanical switches, a function row, navigation keys and a numeric keypad.

Main Keyboard Components

Connection Switch Positions

The keyboard includes a connection switch on the back.

The switch position determines the selected operating mode.

Keyboard Indicator Lights

The F99 includes indicator lights for keyboard functions, battery status and charging.

Indicator Light Guide

Windows Lock Indicator

A constant white indicator light shows that the Windows key lock is active.

Low-Battery Indicator

A flashing white light indicates that the battery voltage is low.

Charging Indicator

The charging indicator remains red while charging is in progress.

When the battery is fully charged, the red light turns off.

Before First Use

The F99 should be prepared and connected using the appropriate wired or wireless mode.

Important: The F99 does not support fast charging.

Initial Setup Instructions

1. Remove the keyboard and supplied accessories from the packaging.
2. Place the keyboard on a stable surface.
3. Locate the USB Type-C port and rear connection switch.
4. Connect the USB Type-C cable if wired operation or charging is required.
5. Select USB, Bluetooth or 2.4GHz wireless mode.
6. Choose the Windows or Mac keyboard layout as required.

USB Wired Mode and Charging

The F99 supports wired operation through its USB Type-C connector.

How to Connect the F99 in Wired Mode

1. Move the switch on the back of the keyboard to OFF.
2. Connect the supplied USB Type-C cable to the keyboard.
3. Connect the other end of the cable to an available USB port on the computer.
4. Use the keyboard through the wired connection.

Charging the Keyboard

The keyboard’s rechargeable battery can be charged using its USB Type-C connection.

1. Connect the USB Type-C cable to the keyboard.
2. Connect the opposite end to a suitable USB power source.
3. Check the charging indicator.
4. Allow charging to finish.

The charging indicator remains red during charging and turns off when the battery is fully charged.

How to Check the F99 Battery Level

The F99 includes a battery-level display function that uses the number-row backlighting.

This function operates in Bluetooth and 2.4GHz wireless modes.

Battery Level Check Instructions

1. Select Bluetooth or 2.4GHz wireless mode.
2. Press and hold Fn + Enter.
3. Observe the illuminated number keys.
4. The illuminated keys indicate the remaining battery percentage.

Battery Level Indicator Guide

When the number-row backlighting illuminates keys 1 through 0 simultaneously, the battery is at 100% charge.

Wireless Connection Modes

The F99 supports two wireless connection methods.

Bluetooth supports three saved device profiles. The 2.4GHz connection uses the supplied USB dongle.

How to Connect the F99 Using Bluetooth

The F99 supports three Bluetooth connection profiles, allowing it to store connections to three compatible devices.

Bluetooth Profile Shortcuts

Bluetooth Pairing Instructions

1. Move the switch on the back of the keyboard to B.
2. Select one of the Bluetooth profiles.
3. Press and hold Fn + Q, Fn + W or Fn + E to enter pairing mode.
4. Enable Bluetooth on the computer, tablet or other compatible device.
5. Open the device’s Bluetooth settings.
6. Search for available Bluetooth devices.
7. Select RK F99.
8. Complete the pairing process.

The selected Bluetooth profile is saved for subsequent connections.

Bluetooth Pairing and Reconnection Shortcuts

The profile shortcuts perform different functions depending on how they are pressed.

Switching Between Three Bluetooth Devices

After pairing the required devices with the three Bluetooth profiles:

1. Keep the keyboard in Bluetooth mode.
2. Briefly press Fn + Q, Fn + W or Fn + E.
3. The keyboard switches to the selected profile and attempts to reconnect.

A long press should be used when pairing a new device, while a short press selects an existing profile.

How to Connect the F99 Using 2.4GHz Wireless

The F99 supports 2.4GHz wireless operation through the supplied USB dongle.

The receiver is paired with the keyboard at the factory.

Connecting with the 2.4GHz Receiver

1. Move the rear connection switch to G.
2. Insert the 2.4GHz USB receiver into an available USB port on the computer.
3. Use the keyboard through the wireless connection.

How to Pair the 2.4GHz Receiver

If the receiver requires pairing again:

1. Move the rear connection switch to G.
2. Press and hold Fn + P to enter 2.4GHz pairing mode.
3. Connect the USB receiver to the host computer.
4. Allow the keyboard and receiver to complete the pairing process.

The supplied receiver is factory-paired, so another pairing procedure is normally unnecessary.

Backlight Controls

The Royal Kludge F99 supports adjustable keyboard backlighting.

Depending on the product version, the backlight is monochrome or RGB.

Backlight Shortcut Table

Adjusting Backlight Brightness

The vertical arrow keys control the brightness of the keyboard illumination.

• Fn + Up Arrow: Increases brightness.
• Fn + Down Arrow: Decreases brightness.

Adjusting Backlight Effect Speed

The horizontal arrow keys control the speed of the selected lighting effect.

• Fn + Left Arrow: Decreases the effect speed.
• Fn + Right Arrow: Increases the effect speed.

Changing Backlight Color

Press Fn + Delete to switch the backlight color on versions that support color selection.

Switching Backlight Modes

Press Fn + Print Screen to switch between the available backlighting modes.

Custom Backlight Recording

The F99 supports creating a custom illuminated key arrangement.

The keyboard provides a custom lighting setting and separate fixed lighting effects.

Custom Backlight Shortcuts

How to Set Custom Backlighting

1. Press Fn + 1 to select the custom backlight function.
2. Press Fn + Home to enter backlight recording mode.
3. Press the keys that should be included in the custom lighting arrangement.
4. Continue selecting the required keys.
5. Press Fn + Home again to save the selected arrangement and exit recording mode.

Fixed Lighting Effects

The keyboard provides fixed lighting effects through Fn + 2 and Fn + 3.

These settings are separate from the custom backlight recording function.

Secondary Function Keys

The F99 includes secondary functions for navigation and operating system controls.

Secondary Function Key Table

Scroll Lock

Press Fn + Insert to activate Scroll Lock.

Pause

Press Fn + Page Up to perform the Pause function.

End

Press Fn + Page Down to perform the End function.

Windows and Mac Operating System Modes

The F99 supports Windows and Mac keyboard layouts.

System Mode Shortcuts

Switching to Windows Mode

Press Fn + A to select the Windows keyboard layout.

Switching to Mac Mode

Press Fn + S to select the Mac keyboard layout.

The selected mode determines the multimedia functions assigned to the function keys.

Windows Multimedia Shortcuts

When Windows mode is selected, the keyboard provides application, playback and volume controls.

Windows Multimedia Shortcut Table

Application Shortcuts

The first five Windows multimedia functions provide access to common applications.

Music Playback Controls

The keyboard includes controls for supported media applications.

Windows Volume Controls

• Fn + F10: Mutes audio.
• Fn + F11: Decreases volume.
• Fn + F12: Increases volume.

Mac Multimedia Shortcuts

When Mac mode is selected, the keyboard provides shortcuts for display brightness, keyboard illumination, media playback and volume.

Mac Multimedia Shortcut Table

Mac Screen Brightness Controls

• Fn + F1: Decreases screen brightness.
• Fn + F2: Increases screen brightness.

Keyboard Backlight Brightness in Mac Mode

• Fn + F5: Decreases keyboard backlight brightness.
• Fn + F6: Increases keyboard backlight brightness.

Mac Music and Volume Controls

The F7–F12 multimedia functions provide previous track, play/pause, next track, mute, volume down and volume up controls.

Windows Key Lock

The F99 includes a Windows key lock function.

How to Lock the Windows Key

Press Fn + Win.

A constant white indicator light identifies the active Windows Lock state.

How to Restore Factory Settings

The F99 supports a factory reset through an Fn shortcut.

Factory Reset Instructions

1. Locate the Fn key and Spacebar.
2. Press and hold Fn + Spacebar.
3. Keep both keys pressed for three seconds.
4. The keyboard restores its factory settings.

Connection and Indicator Troubleshooting

The following controls and indicators can help identify pairing, battery and keyboard-setting conditions.

Battery Safety Instructions

The keyboard contains rechargeable battery equipment that must be handled carefully.

Battery Precautions

• Do not expose the battery to excessive heat, direct sunlight or fire.
• Do not replace the battery with an incorrect type.
• Do not dispose of the battery in fire or a hot oven.
• Do not crush or cut the battery.
• Do not expose the battery to extremely high temperatures.
• Do not expose the battery to extremely low air pressure.

Incorrect battery handling may result in an explosion or the release of flammable liquid or gas.

Keyboard Cleaning and Maintenance

Regular cleaning helps maintain keyboard operation and prevent dust accumulation.

Keyboard Care

• Clean the keyboard regularly to remove dust and dirt.
• Keep liquids away from the keyboard.
• Avoid excessive force when pressing the keys.
• Maintain a suitable operating environment without extreme temperatures or humidity.

Comfortable Keyboard Use

Maintain proper posture while typing.

Avoid unnecessary force when pressing the keys, and take regular breaks to reduce hand fatigue during extended use.

Regulatory Information

FCC Compliance

The F99 complies with Part 15 of the FCC Rules.

Operation is subject to two conditions:

1. The device must not cause harmful interference.
2. The device must accept received interference, including interference that may cause undesired operation.

The equipment has been tested against the applicable limits for a Class B digital device.

Reducing Radio Interference

If the keyboard causes interference to radio or television reception, the following measures may help:

• Reorient or relocate the receiving antenna.
• Increase the distance between the equipment and receiver.
• Connect the equipment to an outlet on a different electrical circuit.
• Consult the dealer or an experienced radio/TV technician.

Changes or modifications not approved by the responsible party may void the user’s authority to operate the equipment.

Radio-Frequency Exposure

The equipment complies with applicable FCC radio-frequency exposure limits for an uncontrolled environment.

The transmitter must not be placed or operated together with another antenna or transmitter.

ISED Compliance

The keyboard contains licence-exempt radio equipment that complies with applicable Innovation, Science and Economic Development Canada requirements.

The device must not cause interference and must accept interference that may affect its operation.

Taiwan NCC Radio Requirements

The keyboard includes a Taiwan NCC notice concerning low-power radio-frequency equipment.

The notice addresses restrictions on unauthorized changes to radio equipment and interference with legitimate radio communications.

Royal Kludge F99 Driver Download

Royal Kludge provides a driver download resource for the keyboard.

Driver Download Address

https://en.rkgaming.com/download/1

The manufacturer’s download resource provides software support for compatible Royal Kludge keyboard products.

Manufacturer and Customer Support

Royal Kludge provides assistance for product issues and questions.

Manufacturer Information

For product problems or technical questions, customers can contact Royal Kludge through its product support channels.

Frequently Asked Questions

1. How do I connect the Royal Kludge F99 using Bluetooth?

Move the rear switch to B and press and hold Fn + Q, Fn + W or Fn + E to enter the desired Bluetooth pairing profile. Enable Bluetooth on the host device, select RK F99 and complete pairing.

2. How do I connect the F99 using the 2.4GHz USB receiver?

Move the rear switch to G and connect the supplied USB receiver to the computer. The receiver is paired at the factory. If pairing is required again, hold Fn + P to enter pairing mode.

3. How do I use the Royal Kludge F99 in wired mode?

Move the rear connection switch to OFF and connect the USB Type-C cable between the keyboard and computer.

4. How do I check the battery level on the F99?

While using Bluetooth or 2.4GHz mode, press and hold Fn + Enter. The number-row backlighting indicates battery charge in 10% increments. When keys 1 through 0 illuminate simultaneously, the battery is at 100%.

5. What do the F99 charging indicator lights mean?

A flashing white light indicates low battery. A solid red light indicates that charging is in progress. The red charging light turns off when the battery is fully charged.

6. How do I change the F99 RGB backlight settings?

Use Fn + Up/Down Arrow to adjust brightness and Fn + Left/Right Arrow to change effect speed. Fn + Delete switches backlight colors on supported versions, while Fn + Print Screen changes lighting modes.

7. How do I switch between Windows and Mac modes on the F99?

Press Fn + A to switch to Windows mode or Fn + S to select Mac mode. Each layout provides its corresponding multimedia shortcuts.

8. How do I reset the Royal Kludge F99 keyboard?

Press and hold Fn + Spacebar for three seconds. The keyboard restores its factory settings.