Keychron K12 Pro Wireless QMK and VIA Mechanical Keyboard User Guide

: June 14, 2024
: Keychron

Table of Contents

Keychron K12 Pro Wireless QMK and VIA Mechanical Keyboard
INSTALLATION INSTRUCTION
The Layers
Multimedia Key and Function Key
The Backlight
Adjust The Backlight Brightness
Warranty
Factory Reset
Troubleshooting?
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Keychron K12 Pro Wireless QMK and VIA Mechanical 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.

INSTALLATION INSTRUCTION

Connect Bluetooth Press fn + Q (for 4 seconds) and pair with a device named Keychron K12 Pro.
Connect Cable
The VIA Key Remapping Software Please visit caniusevia.com to download the latest VIA software to remap the keys. If the VIA software cannot recognize your keyboard, please reach out to our support to get the instructions. (VIA only works when the keyboard is connected by wire to the computer.

The Layers

There are five layers of key settings on the keyboard. Layer 0 is for the Mac system. Layer 1 is for the Windows system. Layer 2 is for the Mac Multimedia keys. Layer 3 is for the Windows Multimedia keys. Layer 4 is for the Function keys.
If your system toggle is switched to Mac, then the layer O will be activated.
If your system toggle is switched to Windows, then the layer 1 will be activated.

Multimedia Key and Function Key

Keychron-K12-Pro-Wireless-QMK-and-VIA-Mechanical-Keyboard-
FIG-5

The Backlight

Keychron-K12-Pro-Wireless-QMK-and-VIA-Mechanical-Keyboard-
FIG-9

Adjust The Backlight Brightness

Press fn + S to increase the backlight brightness
Press fn + X to decrease the backlight brightness

Warranty

The keyboard is highly customizable and easy to rebuild. If anything goes wrong with any of the keyboard components of the keyboard during the warranty period, we will only replace the defective parts of the keyboard, not the whole keyboard.

Watch The Building Tutorial On Our Website
If you are building the keyboard for the first time, we highly recommend you watch the building tutorial video on our website first, then start building the keyboard yourself.

Factory Reset

Keychron-K12-Pro-Wireless-QMK-and-VIA-Mechanical-Keyboard-
FIG-10

Troubleshooting?

Don’t know what’s going on with the keyboard?

Plug in the power cable and switch the keyboard to Cable mode.
Factory reset the keyboard by pressing fn1 + J + Z (for 4 seconds).
Download the right firmware and QMK Toolbox from our website.
Switch the keyboard to OFF mode and remove the space bar keycap to find the reset button on the PCB.
Hold the reset key first, then switch the keyboard to Cable mode.
Release the reset key, and the keyboard will now enter DFU mode.
Flash the firmware with the QMK Toolbox.
Factory reset the keyboard again by pressing fn1 + J + Z (for 4 seconds).

Step by step guide can be found on our website.

Search “white backlight” here to download the JSON file if VIA does not automatically recognize keymap of the K12 Pro: https://www.keychron.com/blogs/archived/k12-pro-factory-reset-and-firmware- flash VIA Software for macOS, Windows, Linux: https://usevia.app/#/ How to Use VIA on Your Keychron K Pro Series Keyboard: https://www.keychron.com/blogs/archived/how-to-use-via-to-program-your- keyboard K12 Pro Source Code, please search “source code” on the product page on our official website.