For the Keychron V4, we’ve included all the normal and useful function keys that can be accessed via the key combinations. Here is the table for all the key combinations and functions it can access.(Download the key combinations table here.)
Keychron V4 Key Combinations
fn+keys
Keys
Function
fn + esc
`
fn + 1
Screen Brightness Down
fn + 2
Screen Brightness Up
fn + 3
Mission Control (Mac mode) / Task View (Windows mode)
fn + 4
Launchpad (Mac mode) / File Explorer (Windows mode)
fn + 5
Keyboard Backlight Down
fn + 6
Keyboard Backlight Up
fn + 7
Rewind
fn + 8
Play / Pause
fn + 9
Fast Forward
fn + 0
Sound: Volume Mute
fn + -
Sound: Volume Down
fn + =
Sound: Volume Up
fn + backspace
RGB Mode Next
fn + tab
Turn On / Off the Backlight
fn + Q
RGB Mode Next
fn + A
RGB Mode Previous
fn + W
Keyboard Backlight Up
fn + S
Keyboard Backlight Down
fn + E
Hue Increase
fn + D
Hue Decrease
fn + R
Saturation Increase
fn + F
Saturation Decrease
fn + T
RGB Speed Increase
fn + G
RGB Speed Decrease
fn + P
Insert
fn + L
Screen Shot
fn + [
Page Up
fn + ;
Page Down
fn + ]
Home
fn + "
End
fn + K
Arrow Up
fn + <
Arrow Down
fn + M
Arrow Left
fn + >
Arrow Right
fn + ?
Delete
fn + O
Scrollock (Windows mode)
fn + I
Menu (Windows mode)
fn + J + Z (long press for 3s)
Reset the Keyboard
fn1+keys
Keys
Function
fn1 + esc
~
fn1 + 1
F1
fn1 + 2
F2
fn1 + 3
F3
fn1 + 4
F4
fn1 + 5
F5
fn1 + 6
F6
fn1 + 7
F7
fn1 + 8
F8
fn1 + 9
F9
fn1 + 0
F10
fn1 + -
F11
fn1 + =
F12
fn1 + tab
Turn On / Off the Backlight
fn1 + Q
RGB Mode Next
fn1 + A
RGB Mode Previous
fn1 + W
Keyboard Backlight Up
fn1 + S
Keyboard Backlight Down
fn1 + E
Hue Increase
fn1 + D
Hue Decrease
fn1 + R
Saturation Increase
fn1 + F
Saturation Decrease
fn1 + T
RGB Speed Increase
fn1 + G
RGB Speed Decrease
*Above are the default key combinations of Keychron V4. You can customise your own key combinations on each layer and access to more functions through VIA software. Please click here and read "How to Use Different Layers to Set the Combination Keys" for details.
More software tutorials:
How To Use VIA To Program Your Keyboard
How To Program Backlight Keys On VIA
How to do a Keyboard Test for the QMK/VIA Enabled Keychron Keyboard