Keychron K4-A3 Mechanical Gaming Keyboard User Guide

June 4, 2024
Keychron

Keychron K4-A3 Mechanical Gaming Keyboard

If you are a Windows user, please find the appropriate keycaps in the box, then follow the instructions below to find and replace the following keycaps.

Connect Bluetooth

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-1

Connect Cable

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-2

Change Light Effect

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-3

Switch Between Function and Multimedia Keys

(Fl- F12)

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-4

Disable Auto Sleep Mode

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-5

Remap keys

We don’t have an official software to remap the keys yet. But you can use this two software to get the job done. (Except the light effect key)

We have a Linux user group on Facebook. Please search “Keychron Linux Group” on Facebook. So you can better experience with our keyboard.

Turn Off the Backlight

If you are on the Mac, the default is to press FS key. If you are on Windows, the default is to press fn + FS key.

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-7

Activate Siri / Cortana

For Siri on Mac: Go to System preferences> Siri > select “Press Fn (Function) Space” option.

Keychron K4-A3 Mechanical Gaming Keyboard-FIG-8

For Cortana on Windows: Select Start > Settings > Cortana and select the shortcut by pressing the Windows key+ C key. Windows Cortana is only available for Windows 10 and above OS. Cortana is only available in certain countries/ regions and might not work everywhere.

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