Introducción
Thank you for choosing the Keychron K3 Version 2 Ultra-Slim Wireless Mechanical Keyboard. This manual provides detailed instructions to help you set up, operate, and maintain your keyboard, ensuring optimal performance and longevity. The K3 Version 2 is designed for productivity, offering both wireless Bluetooth and wired USB connectivity, a compact 75% layout, and low-profile interruptores mecánicos.
Configuración
1. Carga inicial
Before first use, connect the keyboard to a power source using the provided USB-C cable. The charging indicator light will show the charging status. A full charge is recommended for optimal wireless performance.
2. Conexión vía Bluetooth
- Locate the mode switch on the side of the keyboard and set it to "BT" (Bluetooth).
- Mantenga pulsado el Fn + 1 key combination for 4 seconds to enter pairing mode. The backlight will flash rapidly.
- On your device (computer, tablet, smartphone), enable Bluetooth and search for "Keychron K3".
- Select "Keychron K3" to pair. Once connected, the backlight will stop flashing.
- To connect to additional devices (up to 3), repeat steps 2-4 using Fn + 2 y Fn + 3.
- Switch between paired devices by pressing Fn + 1, Fn + 2, o Fn + 3.

Image: The Keychron K3 supports up to three Bluetooth connections and a wired USB connection, indicated by BT1, BT2, BT3, and Wired icons.
3. Connecting via USB Wired
To use the keyboard in wired mode, set the mode switch to "Cable". Connect the keyboard to your device using the provided USB-C to USB-A cable. The keyboard will automatically be recognized.
4. Cambio de sistema operativo
The K3 Version 2 features a switch to toggle between Mac and Windows layouts. Locate the OS switch on the side of the keyboard and select the appropriate operating system for your device. This ensures correct key mapping for multimedia and function keys.

Image: The Keychron K3 keyboard is compatible with both Mac OS and Windows, featuring dedicated keycaps for both systems.
Instrucciones de funcionamiento
1. Teclas de función y controles multimedia
The top row of keys serves as both function keys (F1-F12) and multimedia controls.
- Fn + F1-F12: Access standard F-keys.
- F1-F12 (without Fn): Access multimedia functions (e.g., brightness, media playback, volume).
- Fn + Light Key: Cycle through backlight effects.
- Fn + Flecha izquierda/derecha: Ajusta el brillo de la retroiluminación.

Image: The Keychron K3 keyboard features a compact 75% layout with dedicated function and multimedia keys.
2. Control de luz de fondo
The K3 Version 2 features a white LED backlight. Use the dedicated backlight key (usually located near the top right) to toggle the backlight on/off or cycle through various lighting effects. Adjust brightness using the function key combinations mentioned above.

Image: The Keychron K3 features a white LED backlight, illuminating the low-profile keycaps and switches.
3. Bajo perfilfile Teclas e interruptores
El teclado utiliza perfil bajo.file ABS keycaps and Keychron Mechanical Brown switches, designed for a tactile typing experience with a shorter travel distance compared to conventional mechanical switches.

Image: The Keychron K3 features low-profile ABS keycaps, contributing to its ultra-slim design.
Mantenimiento
1. Limpieza del teclado
- Desconecte el teclado de todas las fuentes de alimentación y dispositivos antes de limpiarlo.
- Utilice un paño suave y sin pelusa ligeramente seco.ampLimpie con agua o una solución de limpieza suave las teclas y el marco.
- Para eliminar el polvo y los residuos entre las teclas, utilice aire comprimido.
- Evite productos químicos agresivos o materiales abrasivos que puedan dañar el acabado.
2. Cuidado de la batería
- Para prolongar la vida útil de la batería, evite descargar completamente el teclado con frecuencia.
- Guarde el teclado en un lugar fresco y seco si no lo utilizará durante períodos prolongados.
- Si no va a utilizar el teclado durante un tiempo prolongado, cárguelo al 50 % aproximadamente antes de guardarlo.
Solución de problemas
- El teclado no se conecta mediante Bluetooth:
- Ensure the keyboard is in "BT" mode and pairing mode (Fn + 1/2/3 held for 4 seconds).
- Compruebe si Bluetooth está habilitado en su dispositivo.
- Remove "Keychron K3" from your device's Bluetooth list and attempt to re-pair.
- Asegúrese de que el teclado esté suficientemente cargado.
- Try connecting to a different Bluetooth slot (Fn + 1, 2, or 3).
- Keys not responding in wired mode:
- Ensure the keyboard is in "Cable" mode.
- Pruebe un puerto USB diferente en su dispositivo.
- Pruebe con un cable USB-C diferente.
- La luz de fondo no funciona o parpadea:
- Adjust backlight brightness using Fn + Left/Right Arrow.
- Asegúrese de que el teclado esté cargado.
- Cycle through backlight effects using the dedicated backlight key.
- Incorrect key mapping (Mac/Windows):
- Verify the OS switch on the side of the keyboard is set to your operating system.
- If issues persist, check the Keychron website for potential firmware updates for your K3 Version 2 model.
Presupuesto
| Marca | Clavechrono |
| Modelo | K3 Versión 2 |
| Tecnología de conectividad | Bluetooth 5.1 (Wireless), USB-C (Wired) |
| Descripción del teclado | 75% Layout, Multimedia Mechanical Keyboard |
| Característica especial | Ultra-Slim, Low-Profile Keychron Mechanical Brown Switch, White LED Backlit |
| Dispositivos compatibles | Laptop, PC, Smartphone, Tablet (Mac & Windows) |
| Dimensiones del producto | 12.05" de largo x 4.57" de ancho x 0.87" de alto (306 mm x 116 mm x 22 mm) |
| Material | Acrylonitrile Butadiene Styrene (ABS), Aluminum Frame |
| Tipo de interruptor | Keychron Low-Profile Mechanical Brown Switch |
| Fuerza operativa del interruptor | 47±8gf |
| Cambiar antes del viaje | 1.7 0.4 mm ± |
| Cambiar el recorrido total | 3.1 0.3 mm ± |
| Switch Behavior | Táctil |
| Cambiar la vida útil | Hasta 50 millones de pulsaciones de teclas |

Image: The Keychron K3 keyboard measures 306mm (12.05 inches) in length and 116mm (4.57 inches) in width.

Image: A visual comparison illustrating the ultra-slim body of the Keychron K3 and the reduced height of its low-profile mechanical switches (0.46 inches) compared to conventional switches (0.71 inches).

Image: Detailed specifications for the Low Profile Brown Switch, including operating force, pre-travel, total travel, behavior (tactile), sound level (gentle), and lifespan.
Garantía y soporte
Keychron products typically come with a limited warranty. For specific warranty terms, conditions, and duration, please refer to the warranty card included with your product or visit the official Keychron websitio.
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Keychron customer service through their official websitio: www.keychron.com/pages/contact-us.





