1. Introducció
This manual provides instructions for the Keychron K12 60% layout RGB hot-swappable Bluetooth wireless/USB wired mechanical keyboard. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience.
2. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Keychron K12 Mechanical Keyboard
- Cable USB-Type C
- Extractor de tecles
- Tirador de commutació
- Extra Keycaps for Windows and Mac operating systems
- Manual d'usuari (aquest document)
3. Producte acabatview
The Keychron K12 is a compact 60% layout mechanical keyboard designed for versatility and customization. It features a durable aluminum frame and ABS plastic construction.
3.1 Característiques clau
- Disseny compacte al 60%: A space-saving design with 61 keys.
- PCB intercanviable en calent: Permet una fàcil substitució de l'interruptor sense soldar.
- Connectivitat dual: Supports Bluetooth 5.1 wireless and USB Type-C wired connections.
- Suport multidispositiu: Es connecta a fins a 3 dispositius simultàniament.
- Retroil·luminació RGB: Features 18 types of RGB backlight effects.
- Gateron G Pro Brown Switches: Pre-installed tactile mechanical switches with a 50 million keystroke lifespan.
- Mac & Windows Compatibility: Includes dedicated keycaps for both operating systems.
- Llarga vida útil de la bateria: Equipped with a 4000 mAh battery, offering up to 240 hours of use with backlighting off.
- Disseny ergonòmic: Two-level adjustable feet and an inclined bottom frame for comfortable typing.

Image: The Keychron K12 keyboard highlighting its 60% compact layout.
4. Configuració
4.1 Càrrega del teclat
Before initial use, fully charge the keyboard. Connect the provided USB Type-C cable to the keyboard's USB-C port and the other end to a power source (e.g., computer USB port, USB wall adapter).

Image: The Keychron K12 keyboard, illustrating its 4000mAh battery capacity.
4.2 Connexió del teclat
The K12 supports both Bluetooth wireless and USB wired connections.
4.2.1 Connexió Bluetooth
- Ensure the keyboard's mode switch (located on the side) is set to 'BT' (Bluetooth).
- Press and hold the 'Fn1' + '1' (or 'Fn1' + '2' or 'Fn1' + '3') keys for 4 seconds to enter pairing mode. The backlight will flash rapidly.
- On your device (computer, smartphone, tablet), enable Bluetooth and search for 'Keychron K12'.
- Select 'Keychron K12' to pair. The backlight will stop flashing upon successful connection.
- To switch between paired devices, press 'Fn1' + '1', 'Fn1' + '2', or 'Fn1' + '3'.

Image: The Keychron K12 keyboard demonstrating its ability to connect to up to three devices for multitasking.
4.2.2 Connexió per cable
- Ensure the keyboard's mode switch is set to 'Cable'.
- Connecteu el cable USB tipus C del teclat al port USB de l'ordinador.
- El sistema operatiu reconeixerà automàticament el teclat.
4.3 Canvi de sistema operatiu
The K12 has a switch to select between Mac and Windows operating system layouts. Locate the 'Mac/Windows' switch on the side of the keyboard and set it to your desired operating system. This ensures correct key mapping for multimedia and function keys.

Image: The Keychron K12 keyboard displaying its compatibility with both Mac and Windows operating systems.
5. Instruccions de funcionament
Control de retroiluminació 5.1
The K12 features RGB backlighting with 18 different effects. Use the following key combinations to control the backlight:
- Fn1 + Light Key (bulb icon): Cycle through backlight effects.
- Fn1 + Arrow Up/Down: Ajusteu la brillantor de la llum de fons.
- Fn1 + Arrow Left/Right: Adjust backlight speed (for dynamic effects).

Image: The Keychron K12 keyboard showcasing its 18 types of RGB backlight.
5.2 Interruptors d'intercanvi en calent
The K12's hot-swappable PCB allows you to change mechanical switches without soldering. This feature enables customization of your typing experience.
- Apagueu el teclat o desconnecteu-lo del dispositiu.
- Feu servir l'extractor de tecles proporcionat per treure amb cura la tecla desitjada.
- Use the provided switch puller to gently grasp the switch from the top and bottom, then pull it straight up to remove it.
- Alineeu els pins del nou interruptor amb els forats de la placa de circuit imprès. Assegureu-vos que els pins estiguin rectes.
- Gently press the new switch into place until it clicks. Do not force it.
- Substitueix la tapa de les tecles.

Image: The Keychron K12 keyboard demonstrating its hot-swappable switch capability with switches and keycaps removed.
5.3 Funcions clau
The K12's compact layout utilizes function (Fn) keys to access various commands. Refer to the keyboard's keycap legends for specific combinations. The included extra keycaps can be used to match your operating system's layout.
5.4 peus ajustables
The keyboard features two-level adjustable feet to customize the typing angle for ergonomic comfort. Flip out the feet to achieve your preferred angle.

Imatge: Lateral view of the Keychron K12 keyboard illustrating its two-level adjustable feet for ergonomic positioning.
6. Manteniment
Proper maintenance ensures the longevity and performance of your Keychron K12 keyboard.
- Neteja: Feu servir un drap suau i sec per netejar la superfície del teclat. Per a una neteja més profunda, traieu les tecles amb l'extractor de tecles proporcionat i utilitzeu aire comprimit per eliminar les restes entre els interruptors.
- Cura de la bateria: Avoid fully discharging the battery frequently. For long-term storage, charge the battery to about 50% and store in a cool, dry place.
- Cura del canvi: If switches feel inconsistent, they can be removed and cleaned or replaced.
- Emmagatzematge: Store the keyboard in a clean, dry environment away from extreme temperatures and direct sunlight.
7. Solució De Problemes
If you encounter issues with your Keychron K12 keyboard, refer to the following common solutions:
| Problema | Possible solució |
|---|---|
| El teclat no es connecta per Bluetooth |
|
| Keyboard not responding in wired mode |
|
| Les claus no es registren o s'escriuen dues vegades |
|
| La retroiluminació no funciona o està enganxada |
|
8. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | K12 |
| Número de model | K12J3 |
| Disseny | 60% (61 tecles) |
| Connectivitat | Bluetooth 5.1 & USB Type-C |
| Interruptors | Gateron G Pro Brown (Tactile, Hot-Swappable) |
| Il·luminació de fons | RGB (18 tipus) |
| Capacitat de la bateria | 4000 mAh |
| Durada de la bateria | Fins a 240 hores (amb retroiluminació apagada) |
| Sistema operatiu compatible | macOS, Windows |
| Material | Aluminum Frame, ABS Plastic |
9. Garantia i Suport
Per obtenir informació sobre la garantia i assistència tècnica, consulteu la pàgina oficial de Keychron. website or contact their customer service directly. Details regarding warranty periods and support procedures are typically provided with your purchase documentation or on the manufacturer's weblloc.
Oficial Weblloc: www.keychron.com