Introdución
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your Logitech K855 Wireless Mechanical Keyboard. Designed for both office and gaming use, this 84-key keyboard offers versatile connectivity and a comfortable typing experience.
Guía de configuración
Contido do paquete
Asegúrate de que todos os elementos estean presentes no paquete:
- Teclado mecánico inalámbrico Logitech K855
- Receptor USB Logi Bolt
- Documentación do usuario (este manual)
Requisitos do sistema
Before connecting your keyboard, ensure your device meets the following requirements:
- Receptor USB Logi Bolt: Available USB port. Compatible with Windows 10, Windows 11 or later; macOS 10.15 or later; Chrome OS™; Linux®.
- Bluetooth de baixa enerxía: Bluetooth low energy wireless technology. Compatible with Windows 10 or later; macOS 10.15 or later; iPadOS 14.0 or later; iOS 14.0 or later; Chrome OS™; Linux; Android 8.0 or higher.
- Internet connection for downloading Logi Options+ software (optional, for advanced customization).
Conectando o teclado
The Logitech K855 offers two connection methods: Logi Bolt USB Receiver or Bluetooth Low Energy.
Method 1: Using the Logi Bolt USB Receiver
- Locate the Logi Bolt USB receiver in your keyboard's packaging.
- Conecta o receptor USB Logi Bolt a un porto USB dispoñible do teu ordenador.
- Acenda o teclado. Debería conectarse automaticamente ao receptor.
Method 2: Using Bluetooth Low Energy
- Acende o teu teclado.
- Activate Bluetooth on your device (computer, tablet, or smartphone).
- On your keyboard, press and hold one of the Easy-Switch keys (usually F1, F2, or F3, indicated by a Bluetooth icon) until the LED indicator starts blinking rapidly, indicating pairing mode.
- On your device, search for Bluetooth devices and select "Logitech K855" from the list.
- Follow any on-screen prompts to complete the pairing process. The LED indicator on the keyboard will turn solid when connected.

Figura 1: Arriba view of the Logitech K855 keyboard, showing key layout.

Figura 2: Abaixo view of the Logitech K855 keyboard, showing the battery compartment and adjustable feet.
Instrucións de funcionamento
Funcións básicas do teclado
The Logitech K855 features an 84-key layout with standard alphanumeric keys, function keys, and navigation keys. The mechanical TTC red switches provide a smooth, linear feel for comfortable and responsive typing.
Funcionalidade Easy-Switch
The keyboard supports connecting to up to three devices simultaneously. Use the Easy-Switch keys (typically F1, F2, F3) to seamlessly switch between your paired devices. Press the desired Easy-Switch key to instantly connect to the corresponding device.
Teclas de función (Fn)
The function keys (F1-F12) can perform special actions when pressed in combination with the 'Fn' key. These actions may include media control, volume adjustment, and other system shortcuts. Refer to your device's operating system for specific Fn key functionalities.
Logi Options+ Software (Optional)
For advanced customization, download and install the Logi Options+ software. This software allows you to:
- Reassign keys to perform custom actions.
- Adjust keyboard settings.
- Xestionar dispositivos conectados.
- Utilize Logitech Flow with compatible mice for seamless multi-computer control.

Imaxe 3: Primeiro plano view of the mechanical TTC red switches, highlighting the linear feedback.

Figure 4: The compact design of the K855 keyboard, suitable for various workspaces.
Mantemento
Limpeza do teclado
Para manter un rendemento e unha aparencia óptimos, limpa o teclado regularmente:
- Desconecte o teclado do dispositivo antes de limpalo.
- Use un pano suave e sen pelusa lixeiramente dampened with water or a mild cleaning solution to wipe down the keys and surface.
- Evita usar produtos químicos agresivos, produtos de limpeza abrasivos ou pulverizar líquidos directamente sobre o teclado.
- Para residuos entre as teclas, use aire comprimido.
Substitución da batería
The Logitech K855 keyboard has a battery life of up to 36 months, depending on usage. When the battery indicator light signals low power, replace the batteries:
- Apague o teclado.
- Locate the battery compartment on the underside of the keyboard (refer to Figure 2).
- Abra o compartimento e retire as pilas antigas.
- Insira pilas novas, asegurándose da polaridade correcta.
- Close the battery compartment and turn on the keyboard.
Resolución de problemas
O teclado non se conecta
- Comprobar a potencia: Ensure the keyboard is turned on and has sufficient battery power.
- Receptor USB: If using the Logi Bolt receiver, ensure it is securely plugged into a working USB port. Try a different USB port.
- Bluetooth: If using Bluetooth, ensure Bluetooth is enabled on your device and the keyboard is in pairing mode (blinking LED). Remove "Logitech K855" from your device's Bluetooth list and try pairing again.
- Distancia: Ensure the keyboard is within the 10-meter wireless reception range of your device.
- Interferencia: Move away from other wireless devices or sources of interference (e.g., Wi-Fi routers, cordless phones).
As chaves non responden
- Batería: Replace the batteries if the battery indicator is low.
- Conexión: Re-establish the connection (see "Keyboard Not Connecting").
- Limpeza: Check for debris under the keys and clean as described in the Maintenance section.
Entrada con atraso ou retardo
- Interferencia: Reduce wireless interference.
- Distancia: Ensure the keyboard is close to the receiver or Bluetooth device.
- Batería: Low battery can affect performance. Replace if needed.
Especificacións
| Característica | Detalle |
|---|---|
| Número de modelo | Logitech Signature K855 |
| Dimensións (H x W x D) | 138.8 mm x 355.2 mm x 38.8 mm |
| Tipo de conexión | Bluetooth Low Energy Wireless (Bluetooth 5.1), Logi Bolt USB Receiver (2.4Ghz Wireless) |
| Rango de recepción sen fíos | 10 meters (varies depending on usage environment) |
| Mechanical Key Shaft | Red shaft (linear) |
| Duración da batería | Ata 36 meses (varía segundo o uso) |
| Indicadores | Caps Lock, Easy-Switch key, Battery indicator |
| Software opcional | Logitech Options+ (for macOS 10.15+, Windows 10/11+) |
| Compatibilidade de Logitech Flow | Compatible with Logitech Flow-enabled mice |
| Estándar de teclado | 84 Keys, Mini Keyboard |
| Aplicación | Escritorio, portátil, tableta |
| Tipo de interface | USB (para o receptor) |
| Estilo | Standard, Ergonomics, Gaming, Multifunctional Keyboard |
| Soporte de pulso | Si |
| Linguaxe | inglés |
| Orixe | China continental |
Garantía e Soporte
Garantía do produto
Your Logitech K855 keyboard is covered by a warranty that includes:
- Devolucións gratuítas: As devolucións gratuítas están dispoñibles dentro dos 90 días posteriores á compra.
- Garantía de entrega rápida: In case of delayed delivery, a $1.00 coupon code may be provided. Refunds are available if the package is lost or items are damaged during transit, or if no delivery occurs within 60 days.
Seguridade e Privacidade
Logitech is committed to protecting your personal information:
- Pagos seguros: Personal details are not shared with third parties without your consent.
- Datos persoais seguros: A súa privacidade está protexida e os seus datos persoais mantéñense seguros e protexidos.
Atención ao cliente
For further assistance, technical support, or warranty claims, please refer to the official Logitech support channels or contact your retailer.





