Introducció i mésview
The Logitech K780 is a full-size, multi-device wireless keyboard designed for seamless switching between computers, tablets, and smartphones. It offers comfortable typing with quiet keys and an integrated stand for your devices.
Característiques principals:
- Connectivitat multidispositiu: Easily switch between up to three connected devices (computer, tablet, smartphone) with dedicated Easy-Switch buttons.
- Suport de dispositiu integrat: A built-in rubber cradle securely holds your phone or tablet at an optimal typing angle.
- Experiència de mecanografia còmoda: Features large, quiet, and concave keys for a familiar and comfortable typing feel, along with a convenient number pad.
- OS Adaptive Layout: Automatically recognizes the connected device's operating system (Windows, Mac, iOS, Android, Chrome OS) and maps keys to provide a familiar layout with appropriate hotkeys and shortcuts.
- Llarga vida útil de la bateria: Enjoy extended usage with up to two years of battery life on two AAA batteries (user experience may vary).
- Logitech FLOW Compatibility: Can be combined with a compatible Logitech FLOW mouse (sold separately) for seamless cross-computer typing, copying, pasting, and file transferència.
Configuració
1. Instal·lació de la bateria
The Logitech K780 keyboard requires two AAA batteries. To install or replace batteries:
- Localitzeu la tapa del compartiment de la bateria a la part inferior del teclat.
- Feu lliscar la coberta oberta.
- Introduïu dues piles AAA, assegurant-vos de la polaritat correcta (+/-).
- Tanqueu bé la tapa del compartiment de la bateria.

Image: The underside of the Logitech K780 keyboard, revealing the battery compartment and the storage slot for the USB Unifying Receiver. Two AAA batteries are visible inside the compartment.
2. Connexió a dispositius
The K780 keyboard supports connection via Bluetooth or the Logitech Unifying Receiver.
Using the Logitech Unifying Receiver:
- Locate the Unifying Receiver in the battery compartment of the keyboard.
- Plug the Unifying Receiver into a USB port on your computer.
- Turn on the keyboard using the power switch on the side.
- Press and hold one of the Easy-Switch buttons (1, 2, or 3) for 3 seconds until the LED light on the button starts blinking rapidly.
- The keyboard should now be paired with your computer via the Unifying Receiver.

Image: The Logitech K780 keyboard shown from an angled perspective, highlighting the integrated stand holding a smartphone and a tablet simultaneously. The Easy-Switch buttons are visible on the top left.
Ús de Bluetooth:
- Turn on the keyboard using the power switch on the side.
- Press and hold one of the Easy-Switch buttons (1, 2, or 3) for 3 seconds until the LED light on the button starts blinking rapidly.
- On your device (computer, tablet, or smartphone), go to Bluetooth settings and enable Bluetooth.
- Look for "Keyboard K780" in the list of available devices and select it to pair.
- Follow any on-screen prompts to complete the pairing process. The LED light on the Easy-Switch button will turn solid for 5 seconds, then turn off, indicating successful pairing.
Instruccions de funcionament
1. Canviar entre dispositius
The K780 keyboard allows you to connect and switch between up to three devices. Once paired, simply press the corresponding Easy-Switch button (1, 2, or 3) to instantly switch typing between your devices.
2. Ús del suport integrat
The integrated rubber cradle at the top of the keyboard is designed to hold your smartphone or tablet at an ideal viewing angle while you type. It can accommodate devices up to 11.3 mm (0.44 inches) thick.

Imatge: Vista de dalt a baix view of the Logitech K780 Multi-Device Wireless Keyboard, showcasing its full layout with circular keys and the integrated stand at the top.
3. OS Adaptive Features
The K780 automatically detects the operating system of the connected device (Windows, Mac, iOS, Android, Chrome OS) and adapts the key functions and shortcuts accordingly. This ensures a familiar typing experience regardless of the device you are using.
4. Function Keys and Hotkeys
The top row of keys includes various function keys (F1-F12) and media controls. These keys perform different actions depending on your operating system. For specific functions, refer to your device's operating system documentation.
Manteniment
1. Substitució de la bateria
When the battery indicator light on the keyboard turns red, it's time to replace the two AAA batteries. Follow the steps in the "Battery Installation" section under Setup.
2. Neteja
To clean your keyboard, use a soft, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid using abrasive cleaners or solvents.
Resolució de problemes
Si teniu problemes amb el teclat Logitech K780, proveu el següent:
- El teclat no es connecta: Ensure the keyboard is turned on and the batteries are correctly installed. For Bluetooth, make sure Bluetooth is enabled on your device and the keyboard is in pairing mode (blinking LED on Easy-Switch button). For the Unifying Receiver, ensure it's securely plugged into a USB port.
- Lag or dropped connection: Move the keyboard closer to your device or Unifying Receiver. Avoid placing the keyboard near other wireless devices that might cause interference.
- Les tecles no responen: Check battery levels. If the issue persists, try re-pairing the keyboard with your device.
- Incorrect key layout: Ensure the keyboard has correctly identified your device's operating system. If not, manually switch the OS mode using the appropriate key combination (e.g., Fn + O for Mac, Fn + P for Windows).
Especificacions
| Característica | Detall |
|---|---|
| Marca | Logitech |
| Model | K780 (920-008149X) |
| Tecnologia de connectivitat | USB-C (for receiver), Wireless (Bluetooth, Unifying Receiver) |
| Dispositius compatibles | Smartphone, Tablet, Computer |
| Compatibilitat de sistemes operatius | Windows 8 or later, Mac OS X 10.10 or later, iOS 5 or later, Android 5.0 or later, Chrome OS |
| Pes de l'article | 0.16 unces |
| Dimensions del producte (LxWxH) | 14.9 x 6.2 x 0.9 polzades |
| Color | Negre |
| Font d'alimentació | Funciona amb piles (es necessiten 2 piles AAA) |
| Durada de la bateria | Up to 2 years (estimated) |
Què hi ha a la caixa
- Teclat sense fil multidispositiu Logitech K780
- Receptor unificador USB
- 2 piles AAA (preinstal·lades o incloses)
- Documentació d'usuari (aquest manual)
Garantia i Suport
Per obtenir informació sobre la garantia i assistència tècnica, consulteu la pàgina oficial de Logitech. website or the documentation included with your product. You can also visit the Logitech support page for FAQs and troubleshooting guides.





