Royal Kludge R75Pro Mechanical Keyboard

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Fn blinks when the voltage is low.

Battery check

In Bluetooth or 2.4 Ghz mode, you can press and hold Fn + Enter to check the battery level (numeric keys light up to indicate percentage; e.g. 2 = 20%, 9 = 90%)


Development/Firmware Upgrade mode

This only works when you're connected using a USB cable.

There are two ways to enter into this mode:

Fn + Right Shift + Esc or press and hold the switch located under the Spacebar.

VIA drivers are https://usevia.app/


Secondary function keys

Fn + A Switch to Windows mode

Fn + S Switch to macOS mode

Fn + Del Scroll Lock

Fn + Home Print Screen

Fn + PgUp Pause

Fn + PgDn End

Fn + ] Ins


Backlight control

Note: The lights are in their full power when connected via USB

  • Fn + Up Arrow Increase Backlight Brightness
  • Fn + Down Arrow Decrease Backlight Brightness
  • Fn + \ Switch Backlight Mode (including turning it off)
  • Fn + Win Windows lock
  • Fn + Left Arrow Decrease backlight speed
  • Fn + Right Arrow Increase backlight speed
  • Fn + , Switch Backlight Monochrome
  • Fn + B Switch between six-key rollover and full-key rollover
  • Fn + Spacebar Press and hold for three seconds to restore factory settings


Bluetooth Connectivity

Fn + Q/W/E change Bluetooth channel

Fn + Q/W/E enter Bluetooth pairing mode


2.4 Ghz Connectivity

Fn + P change 2.4 Ghz channel


Custom Backlight Set

Note: Fn + 2 ~ 3 Fixed lighting effect, not recording

Step 1: Fn + 1 customize backlight

Step 2: Fn + Backspace enter backlit recording mode

Step 3: Press the keys which you want to record the backlight, and repeat this step

Step 4: Fn + Backspace save and exit backlit recording mode


Multimedia Keys

Modifier key Key Windows mode macOS mode
MULTIMEDIA KEYS
Fn F1 Computer Decrease screen brightness
F2 Browser Increase screen brightness
F3 Mailbox
F4 Calculator
F5 Player Decrease keyboard backlight brightness
F6 Stop Increase keyboard backlight brightness
F7 Previous Track Previous Track
F8 Play / Pause Play / Pause
F9 Next Track Next Track
F10 Mute Mute
F11 Decrease volume Decrease volume
F12 Increase volume Increase volume
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