Keychron K2M-B4

Keychron K2 Max QMK/VIA Wireless Mechanical Keyboard User Manual

Model: K2M-B4

Introducción

The Keychron K2 Max is a versatile 75% layout mechanical keyboard designed for seamless integration across multiple operating systems and connectivity options. It supports 2.4 GHz wireless, Bluetooth 5.1, and Type-C wired connections, offering a 1000Hz polling rate in 2.4G and wired modes for optimal performance in both gaming and professional environments. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your K2 Max keyboard.

Keychron K2 Max keyboard with a single banana switch shown above it.
The Keychron K2 Max 75% layout mechanical keyboard, featuring a compact design and a sample of the Keychron Super Banana switch.

Configuración

Contenido del paquete

Antes de comenzar, asegúrese de que todos los componentes estén presentes en el paquete:

  • 1x teclado completamente ensamblado
  • 1 extractor de teclas y interruptores.
  • 1x destornillador
  • 1 receptor tipo A de 2.4 GHz.
  • 1x adaptador de extensión para receptor
  • 1x cable tipo A a tipo C
  • Extra keycaps for Windows layout
Diagram showing the contents of the Keychron K2 Max Fully Assembled Version package, including the keyboard, tools, receiver, and cable.
Illustration of the items included with the Keychron K2 Max Fully Assembled Version.

Carga inicial

The keyboard comes with a built-in 4000mAh rechargeable battery. For optimal performance, it is recommended to fully charge the keyboard before first use. Connect the provided Type-A to Type-C cable to the keyboard's USB-C port and a power source (e.g., computer USB port or wall adapter).

Opciones de conectividad

The K2 Max offers three connection modes:

  • 2.4 GHz inalámbrico: For a stable and fast connection, ideal for gaming. Insert the 2.4GHz receiver into a USB port on your device. The receiver can be stored in a dedicated slot on the keyboard's underside when not in use.
  • Bluetooth 5.1: For wireless convenience with up to 3 devices. Pair the keyboard with your laptop, tablet, or smartphone.
  • Cableado tipo C: For a direct and reliable connection, also allowing charging.
Close-up of the Keychron K2 Max keyboard's underside, showing the storage slot for the 2.4 GHz wireless dongle.
The 2.4 GHz wireless dongle can be conveniently stored in a dedicated slot on the keyboard's underside.
Keychron K2 Max keyboard connected wirelessly to a smartphone, tablet, and laptop, illustrating its tri-mode connectivity.
The Keychron K2 Max supports Bluetooth 5.1, 2.4 GHz Wireless, and Type-C Wired connections for versatile use across multiple devices.

Instrucciones de funcionamiento

Cambio de sistemas operativos

The K2 Max is optimized for both macOS and Windows. Use the dedicated toggle switch on the keyboard to switch between macOS and Windows layouts. Extra keycaps for Windows are included to match the layout.

Keychron K2 Max keyboard with a Mac OS logo and additional Windows keycaps, highlighting its cross-platform compatibility.
The K2 Max is compatible with both Mac and Windows operating systems, and includes additional keycaps for Windows users.

Personalización de QMK/VIA

The keyboard supports QMK open-source firmware, allowing extensive customization of key remapping, macros, and shortcuts. Access the Keychron Launcher web app for configuration without requiring any software installation.

Captura de pantalla del lanzador de Keychron Web App interface, showing options for keymap, lighting, macro, firmware update, and key test.
Customize your Keychron K2 Max using the Keychron Launcher Web App, which requires no installation.

Control de luz de fondo

The K2 Max features South-Facing RGB Backlight. Use the dedicated function keys to cycle through various lighting effects, adjust brightness, and change colors. Refer to the keyboard's quick start guide for specific key combinations.

Gestión de la duración de la batería

The 4000mAh battery provides long-lasting performance. With the backlight off, the keyboard can last up to 190 hours. At the lowest brightness setting, it can provide approximately 100 hours of continuous use. Recharge the keyboard when the battery indicator shows low power.

Infographic illustrating the battery life of the Keychron K2 Max, showing 190 hours with backlight off and 100 hours with backlight on (lowest brightness), powered by a 4000mAh battery.
The Keychron K2 Max features a 4000mAh battery, offering extended usage times.

Mantenimiento

Limpieza del teclado

Para limpiar el teclado, primero desconéctelo de todas las fuentes de alimentación. Utilice un paño suave y sin pelusa ligeramente seco.ampened with water or a mild cleaning solution. For cleaning between keycaps, use compressed air or a small brush. Avoid spraying liquids directly onto the keyboard.

Reemplazo de teclas e interruptores

The Keychron K2 Max features hot-swappable switches, allowing you to change switches without soldering. Use the provided keycap and switch puller tools for safe removal and installation.

  • Quitar las teclas: Tire suavemente la tecla hacia arriba utilizando el extractor de teclas.
  • Quitar interruptores: Insert the switch puller's prongs under the top and bottom clips of the switch and gently rock it while pulling upwards.
  • Instalación de interruptores: Alinee las clavijas del nuevo interruptor con los orificios de la placa de circuito impreso y presione firmemente hasta que encaje en su lugar. Asegúrese de que las clavijas no estén dobladas.
  • Instalación de teclas: Alinee la tecla con el vástago del interruptor y presione hacia abajo firmemente.
De cerca view of several mechanical keyboard switches with RGB lighting, showing their clear housing and yellow stems.
A close-up of the mechanical switches, illustrating their design and the RGB lighting capabilities.
Diagram explaining 'What is Double-shot?', showing a keycap composed of two plastic injections: the main housing and the legend.
Explanation of double-shot keycap construction, which ensures legends do not fade over time.
Image of keyboard stabilizers, which are components used to ensure larger keys press down evenly.
Keyboard stabilizers, essential for consistent keypresses on larger keys like the spacebar and shift keys.

Solución de problemas

Problemas de conectividad

  • 2.4 GHz inalámbrico: Ensure the receiver is securely plugged into a USB port. Try a different USB port. Ensure the keyboard is in 2.4G mode.
  • Bluetooth: Ensure Bluetooth is enabled on your device. Unpair and re-pair the keyboard if connection is lost. Ensure the keyboard is in Bluetooth mode and selected the correct device slot (BT1, BT2, BT3).
  • Wired: Comprueba la conexión del cable USB-C en ambos extremos. Prueba con otro cable o puerto USB-C.

Las teclas no responden

  • If a specific key is not responding, it might be a faulty switch. If your model is hot-swappable, try replacing the switch with a spare one or swapping it with a less frequently used key to diagnose.
  • Asegúrese de que el teclado no esté en modo de suspensión.
  • Check for any debris under the keycap or switch.

Problemas de retroiluminación

  • If the backlight is off, check if it's disabled or set to the lowest brightness. Adjust using the backlight control keys.
  • Asegúrese de que el teclado tenga suficiente carga de batería.

Problemas de carga

  • Asegúrese de que el cable de carga esté conectado correctamente.
  • Pruebe con un puerto USB o adaptador de corriente diferente.
  • Allow the keyboard to charge for a few hours.

Presupuesto

Nombre del modeloK2M-B4
Tecnología de conectividadConexión inalámbrica 2.4G, Bluetooth 5.1, cable tipo C
Descripción del tecladoMecánico
Característica especialBacklit (South-Facing RGB)
ColorKeychron Super Banana Switch (Black keyboard chassis)
Dispositivos compatiblesGaming Console, Laptop, PC (Mac/Windows/Linux)
BateríaPolímero de litio de 4000 mAh (incluido)
Peso del artículo3.08 libras
Dimensiones del paquete15.27 x 6.42 x 2.24 pulgadas
FabricanteClavechrono
Exploded diagram of the Keychron K2 Max keyboard layers, showing keycaps, switches, plate, sound absorbing foam, IXPE foam, PET film, PCB, EPDM foam, bottom case PET film, silicone bottom pad, battery, and bottom case.
Detailed internal structure of the Keychron K2 Max, highlighting its enhanced acoustic foams and layered design for a premium typing experience.

Garantía y soporte

Para obtener información sobre la garantía, soporte técnico o asistencia adicional, visite el sitio web oficial de Keychron. website or their Amazon store. Keychron offers various protection plans for extended coverage.

Visita el Tienda Keychron en Amazon para más productos y recursos de soporte.

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