Introducció
This manual provides detailed instructions for setting up, operating, and maintaining your Logitech K855 wireless mechanical keyboard. The K855 features a compact 84-key layout, TTC red mechanical switches for a lightweight feel, and versatile connectivity options including Bluetooth and a 2.4G Logi Bolt USB receiver. It is designed for efficient and comfortable use across multiple platforms.

Contingut del paquet
Assegureu-vos que tots els elements siguin presents al paquet:
- Wireless mechanical keyboard (Logitech K855)
- Receptor USB Logi Bolt
- 2 piles AAA (preinstal·lades)
- Documentació d'usuari

Especificacions
| Característica | Detall |
|---|---|
| Model | K855 |
| Dimensions (Alçada x Amplada x Profunditat) | ~138.8 mm x ~355.2 mm x ~38.8 mm |
| Pes | ~692.4 g (bateria inclosa) |
| Estil d'operació | Mechanical (TTC Red Axis) |
| Teclat estàndard | 84 claus |
| Tipus de connectivitat | Bluetooth Low Energy (Bluetooth 5.1), 2.4G Logi Bolt USB Receiver |
| abast sense fils | Up to 10 meters (33 feet), varies by usage environment |
| Durada de la bateria | Fins a 36 mesos (estimat en funció de 2 milions de pulsacions de tecles/any) |
| Suport multidispositiu | Easy Switch™ key for pairing and switching up to 3 devices |
| Requisits del sistema | Available USB port (for receiver), Windows® 10.11 or higher, macOS® 10.15 or higher, Chrome OSTM, Linux® |
| Llengua | Anglès |
| Aplicació | Escriptori, ordinador portàtil |

Configuració
Connecting with Logi Bolt USB Receiver
- Locate the Logi Bolt receiver in the packaging and plug it into an available USB port on your computer.
- Pull out the battery activation tab from the back of the keyboard. The keyboard will automatically power on.
- For Windows users, the keyboard is ready to use. For macOS users, press the FN + O keys simultaneously for three seconds to activate the Mac layout.

Connexió amb Bluetooth
- Pull out the battery activation tab from the back of the keyboard. The keyboard will automatically power on.
- On your device (computer, tablet, or smartphone), open the Bluetooth settings.
- Select "Signature K855" from the list of available Bluetooth devices to pair.

Instruccions de funcionament
Tecles de funció
The K855 keyboard features media keys that are assigned by default. To switch between media key functions and standard F-key functions, press the FN + Esc claus.
You can customize the F4-F12 keys using the Logi Options+ software.
| Tecla de funció | Descripció |
|---|---|
| F4 | Cerca |
| F5 | Dictat |
| F6 | Emoji |
| F7 | Captura de pantalla |
| F8 | Silencia / activa el micròfon |
| F9 | Reproduir/Pausa |
| F10 | Silencia el so |
| F11 | Baixa el volum |
| F12 | Puja el volum |
Canvi entre dispositius
The Signature K855 features an Easy Switch™ key, allowing you to seamlessly switch input between up to three paired devices. Simply press the Easy Switch™ key corresponding to the device you wish to control.

Manteniment
To ensure the longevity and optimal performance of your Logitech K855 keyboard, follow these maintenance guidelines:
- Neteja: Utilitzeu un drap suau i sense pelusa lleugerament dampNetegeu la superfície del teclat amb aigua o una solució de neteja suau. Eviteu productes químics agressius o materials abrasius.
- Tecles de tecles: The mechanical switches allow for easy removal of keycaps for deeper cleaning. Gently pull keycaps straight up to remove them. Realign and press down firmly to reattach.
- Substitució de la bateria: When the battery indicator light signals low power, replace the two AAA batteries located in the battery compartment on the underside of the keyboard.
- Emmagatzematge: Guardeu el teclat en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.

Resolució de problemes
If you encounter issues with your Logitech K855 keyboard, try the following steps:
- Sense conexió:
- Ensure the keyboard is powered on (check battery tab).
- For Logi Bolt: Verify the receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth: Ensure Bluetooth is enabled on your device and the keyboard is selected in your device's Bluetooth settings. Try unpairing and re-pairing the keyboard.
- Comproveu el nivell de la bateria i substituïu-la si cal.
- Les tecles no responen:
- Clean under the keycaps to remove any debris.
- Assegureu-vos que el teclat estigui connectat correctament.
- Connexió endarrerida o intermitent:
- Move the keyboard closer to your device or Logi Bolt receiver.
- Minimitzar les interferències d'altres dispositius sense fil.
- Assegureu-vos que el sistema operatiu i els controladors Bluetooth del dispositiu estiguin actualitzats.
Consells per a l'usuari
- Maximitzar la durada de la bateria: While the keyboard boasts a long battery life, turning it off when not in use for extended periods can further conserve power.
- Desk Space Optimization: The compact 84-key layout is ideal for saving desk space. Consider storing it vertically when not in use, thanks to its convenient grip design.
- Personalize with Software: Utilize the Logi Options+ software to customize function keys and enhance your typing experience.

Garantia i Suport
For detailed warranty information, additional support, or to download the Logi Options+ software, please refer to the official Logitech support resources.
- Manual d'usuari (PDF): Hi ha disponible per descarregar un manual d'usuari complet en format PDF. View Manual d'usuari (PDF)
- Assistència en línia: Visita el servei d'assistència de Logitech website for FAQs, troubleshooting guides, and contact options: Logitech Support - Signature K855
Informació ambiental
The Logitech K855 is designed with environmental responsibility in mind:
- Environmentally Friendly Packaging: The paper packaging of the Signature K855 is sourced from FSC™ Certified Forests and other controlled sources (FSC™ N003028). By choosing this product, you support responsible forest management.
- Low Carbon Aluminum: The aluminum material in the top cover of the Signature K855 is made from renewable energy instead of fossil fuels, contributing to a beautiful and low-carbon product.
