For Keychron QMK keyboards with 100%, 96%, 80%, or 75% layouts, we’ve summarized the general and utility default function keys that can be accessed via key combinations, including wireless connect, changing light effects, resetting the keyboard, and other function key combinations. Below are tables listing all the key combinations and the functions they can access.
Wireless Connect
fn + 1
Select Bluetooth device #1
fn + 2
Select Bluetooth device #2
fn + 3
Select Bluetooth device #3
fn + 1 (long press for 3s)
Pair with Bluetooth device #1
fn + 2 (long press for 3s)
Pair with Bluetooth device #2
fn + 3 (long press for 3s)
Pair with Bluetooth device #3
fn + 4 (long press for 3s)
Pair with 2.4GHz device (Only works on keyboards that support 2.4GHz mode)
Light Effect
fn + 5 (Window mode)
Backlight Brightness Decrease
fn + 6 (
Windows mode)
Backlight Brightness Increase
fn + Q
Backlight Mode Next
fn + A
Backlight Mode Previous
fn + W
fn + Knob Clockwise
Backlight Brightness Increase
(Backlight Turns On when Backlight is Off)
fn + S
fn + Knob Counterclockwise
Backlight Brightness Decrease
(Backlight Turns Off when Brightness is at its Lowest)
fn + E
Backlight Hue Next
fn + D
Backlight Hue Previous
fn + R
Backlight Saturation Increase
fn + F
Backlight Saturation Increase
fn + T
Backlight Speed Increase
fn + G
Backlight Speed Increase
fn + Tab/fn + Light Effect Key/fn + Knob Press
Turn On / Off the Backlight
Reset The Keyboard
fn1 + J + Z (long press for 3s)
Reset the Keyboard
Other Key Combinations
fn + B
(Only works in Bluetooth or 2.4G mode)
RGB-Backlight Version
Backlight Red = 0~30% Power
Backlight Blue = 30%~70% Power
Backlight Green = 70%~100% Power
White-Backlight Version
Two Rows Backlight off & the Other On = 0~30% Power
One Row Backlight off & the Other On= 30%~70% Power
All Backlight On = 70%~100% Power
Non-Backlight Version
Q Backlight Red= 0~30% Power
Q W Backlight Red = 30%~70% Power
Q W E Backlight Red = 70%~100% Power
fn + Caps Lock
(C3 Pro Exclusive)
Switch Mac / Windows
Multimedia and Function Keys
fn + F1 (Windows mode)
Screen Brightness Decrease
fn + F2 (Windows mode)
Screen Brightness Increase
fn + F3 (Windows mode)
Task View
fn + F4 (Windows mode)
File Explorer
fn + F7 (Windows mode)
Previous
fn + F8 (Windows mode)
Play / Pause
fn + F9 (Windows mode)
Next
fn + F10 (Windows mode)
Mute
fn + F11 (Windows mode)
Volume Decrease
fn + F12 (Windows mode)
Volume Increase
Above are the default key combinations for Keychron QMK keyboards with 100%, 96%, 80%, and 75% layouts. Some keyboard models may not be fully compatible; please refer to your keyboard’s manual for details. You can customize your key combinations on each layer and access more functions through the launcher software. Please click here and read “How to Use Different Layers to Set the Key Combinations” for details.
