Introdución
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Logitech Touch Keyboard K400. Designed for seamless control of your computer or smart TV from a distance, this wireless keyboard features an integrated touchpad for navigation.
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The Logitech Touch Keyboard K400 combines a full-size keyboard with a multi-touch touchpad, offering a compact solution for controlling your media center PC or other compatible devices. Its wireless connectivity provides freedom of movement.

Imaxe 1: En ángulo view of the Logitech Touch Keyboard K400, showcasing the keyboard layout and integrated touchpad on the right side. The keyboard is black with white key legends.

Imaxe 2: Arriba abaixo view of the Logitech Touch Keyboard K400, providing a clear perspective of all keys and the touchpad. This image highlights the standard keyboard layout and media control keys.
Instrucións de configuración
- Descomprimir o teclado: Carefully remove the keyboard and the USB Unifying receiver from its packaging.
- Instalar baterías:
- Localiza o compartimento da batería na parte inferior do teclado.
- Abra a tapa do compartimento.
- Insert two AA batteries, ensuring correct polarity (+/-). (Two AA batteries are required and typically included).
- Pecha a tapa do compartimento da batería.
- Conecte o receptor USB:
- Plug the small USB Unifying receiver into an available USB port on your computer, smart TV, or other compatible device.
- For desktop computers where the USB port might be far or obstructed, use the provided USB extender cable if available, to position the receiver for optimal signal.
- Encendido: Turn on the keyboard using the power switch, usually located on the top edge or side of the keyboard. The keyboard should automatically connect to the receiver.
- Funcionalidade de proba: Verify that the keyboard and touchpad are responsive. If not, refer to the Troubleshooting section.

Imaxe 3: En ángulo view of the Logitech K400, potentially showing the underside or a side profile where the battery compartment or power switch might be located for setup.
Instrucións de funcionamento
Funcións do teclado
- Escritura: Use the standard QWERTY (or AZERTY, depending on region) layout for text input.
- Teclas de función (F1-F12): These keys often have secondary functions (media controls, volume, home, search, etc.) accessible by pressing the Fn key simultaneously, or directly if configured as primary.
- Teclas de control multimedia: Dedicated keys for volume up/down/mute, play/pause, previous/next track are typically located above the function keys.
- Teclas especiais: Keys like Home, End, Page Up, Page Down are integrated into the layout for navigation.
Funcións do panel táctil
The integrated touchpad allows for precise cursor control and supports multi-touch gestures.
- Toque cun só dedo: Funciona como un clic esquerdo.
- Toque con dous dedos: Funciona como un clic co botón dereito.
- Desprazamento con dous dedos: Drag two fingers up or down to scroll vertically. Drag two fingers left or right to scroll horizontally.
- Pinch Zoom: Pinch in or out with two fingers to zoom in or out (application dependent).
- Botón esquerdo do clic: A dedicated left-click button is located on the top-left corner of the keyboard for convenient one-handed operation.
- Right-Click Buttons: Dedicated right-click buttons are typically located below the touchpad.

Imaxe 4: A lifestyle image showing two individuals comfortably using the Logitech K400 keyboard to interact with a large screen, demonstrating its use in a home entertainment setup.
Mantemento
- Limpeza:
- Apague o teclado antes de limpalo.
- Use un pano suave e sen pelusa lixeiramente dampmantelo con auga ou unha solución de limpeza suave.
- Evita a humidade excesiva e non pulverices produtos de limpeza directamente sobre o teclado.
- Non empregue produtos de limpeza abrasivos, solventes nin aerosois en aerosol.
- Substitución da batería:
- When the battery indicator light (if present) signals low power, or if performance degrades, replace the two AA batteries.
- Siga os pasos de instalación da batería descritos na sección Configuración.
- Elimina as pilas antigas de forma responsable segundo a normativa local.
- Almacenamento: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.
Resolución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O teclado non responde |
|
|
| Touchpad not working correctly |
|
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| As teclas están pegañentas ou non responden |
|
|
Especificacións
- Marca: Logitech
- Número de modelo: 920-003110 (K400)
- Tecnoloxía de conectividade: RF Wireless (2.4 GHz)
- Alcance sen fíos: Up to 10 meters (33 feet) (Actual wireless range may vary with use, settings and environmental conditions.)
- Dispositivo apuntador: Touchpad integrado
- Deseño do teclado: Standard (Layout may vary by region, e.g., QWERTY, AZERTY)
- Dispositivos compatibles: Portátil, PC, Smart TV
- Compatibilidade do sistema operativo: Windows, Windows 7, Windows Vista, Windows XP (and generally compatible with modern OS like Windows 10/11, macOS, Linux for basic functions)
- Fonte de enerxía: Alimentado por batería
- Baterías: 2 pilas AA (incluídas)
- Duración da batería: Up to 18 months (Battery life may vary based on user and computing conditions.)
- Peso do artigo: Aproximadamente 1.19 libras (0.54 kg)
- Dimensións do produto (LxWxH): Aproximadamente 16 x 6 x 1.25 polgadas (40.64 x 15.24 x 3.18 cm)
- Cor: Negro
- Material: Silicone Plastic
- Que hai na caixa: Wireless Touch Keyboard K400, USB Unifying receiver, 2 AA batteries, User documentation.
Garantía e Soporte
Para obter información detallada sobre a garantía e asistencia técnica, consulte a páxina oficial de Logitech website or contact Logitech customer service. Product registration may be required to activate your warranty.
- Soporte en liña: Visita Soporte Logitech para preguntas frecuentes, controladores e guías de resolución de problemas.
- Rexistro do produto: Rexistra o teu produto en Logitech Product Registration.





