Indledning
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.
Opsætningsvejledning
Pakkens indhold
Sørg for at alle varer er til stede i pakken:
- Logitech K855 Wireless Mechanical Keyboard
- Logi Bolt USB-modtager
- Brugerdokumentation (denne manual)
Systemkrav
Before connecting your keyboard, ensure your device meets the following requirements:
- Logi Bolt USB-modtager: Available USB port. Compatible with Windows 10, Windows 11 or later; macOS 10.15 or later; Chrome OS™; Linux®.
- Bluetooth lavenergi: 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).
Tilslutning af dit tastatur
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.
- Sæt Logi Bolt USB-modtageren i en ledig USB-port på din computer.
- Turn on the keyboard. It should automatically connect to the receiver.
Method 2: Using Bluetooth Low Energy
- Tænd dit tastatur.
- 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.

Figur 1: Øverst view of the Logitech K855 keyboard, showing key layout.

Figur 2: Nederst view of the Logitech K855 keyboard, showing the battery compartment and adjustable feet.
Betjeningsvejledning
Grundlæggende tastaturfunktioner
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.
Easy-Switch-funktionalitet
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.
Funktionstaster (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.
- Administrer tilsluttede enheder.
- Utilize Logitech Flow with compatible mice for seamless multi-computer control.

Figur 3: Nærbillede view of the mechanical TTC red switches, highlighting the linear feedback.

Figure 4: The compact design of the K855 keyboard, suitable for various workspaces.
Opretholdelse
Rengøring af tastaturet
To maintain optimal performance and appearance, clean your keyboard regularly:
- Frakobl tastaturet fra din enhed, før du rengør det.
- Brug en blød, fnugfri klud lidt dampened with water or a mild cleaning solution to wipe down the keys and surface.
- Avoid using harsh chemicals, abrasive cleaners, or spraying liquids directly onto the keyboard.
- Brug trykluft til at fjerne snavs mellem tasterne.
Udskiftning af batteri
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:
- Sluk for tastaturet.
- Locate the battery compartment on the underside of the keyboard (refer to Figure 2).
- Åbn rummet og fjern de gamle batterier.
- Indsæt nye batterier, og sørg for korrekt polaritet.
- Close the battery compartment and turn on the keyboard.
Fejlfinding
Tastaturet forbinder ikke
- Tjek strøm: Ensure the keyboard is turned on and has sufficient battery power.
- USB-modtager: Hvis du bruger Logi Bolt-modtageren, skal du sørge for, at den er korrekt tilsluttet en fungerende USB-port. Prøv en anden 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.
- Afstand: Ensure the keyboard is within the 10-meter wireless reception range of your device.
- Interferens: Move away from other wireless devices or sources of interference (e.g., Wi-Fi routers, cordless phones).
Taster reagerer ikke
- Batteri: Replace the batteries if the battery indicator is low.
- Forbindelse: Re-establish the connection (see "Keyboard Not Connecting").
- Rensning: Check for debris under the keys and clean as described in the Maintenance section.
Lag eller forsinket input
- Interferens: Reduce wireless interference.
- Afstand: Ensure the keyboard is close to the receiver or Bluetooth device.
- Batteri: Low battery can affect performance. Replace if needed.
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | Logitech Signature K855 |
| Dimensioner (H x B x D) | 138.8 mm x 355.2 mm x 38.8 mm |
| Tilslutningstype | Bluetooth Low Energy Wireless (Bluetooth 5.1), Logi Bolt USB Receiver (2.4Ghz Wireless) |
| Trådløs modtagelsesområde | 10 meters (varies depending on usage environment) |
| Mechanical Key Shaft | Red shaft (linear) |
| Batterilevetid | Op til 36 måneder (varierer med brug) |
| Indikatorer | Caps Lock, Easy-Switch key, Battery indicator |
| Valgfri software | Logitech Options+ (for macOS 10.15+, Windows 10/11+) |
| Logitech Flow-kompatibilitet | Compatible with Logitech Flow-enabled mice |
| Tastaturstandard | 84 Keys, Mini Keyboard |
| Anvendelse | Stationær, bærbar, tablet |
| Interface Type | USB (til modtager) |
| Stil | Standard, Ergonomics, Gaming, Multifunctional Keyboard |
| Håndledsstøtte | Ja |
| Sprog | engelsk |
| Oprindelse | Fastlandet Kina |
Garanti og support
Produktgaranti
Your Logitech K855 keyboard is covered by a warranty that includes:
- Gratis returnering: Gratis returnering er mulig inden for 90 dage efter købet.
- Hurtig leveringsgaranti: 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.
Sikkerhed og privatliv
Logitech is committed to protecting your personal information:
- Sikre betalinger: Personal details are not shared with third parties without your consent.
- Secure Personal Details: Your privacy is protected, and personal details are kept safe and secure.
Kundesupport
For further assistance, technical support, or warranty claims, please refer to the official Logitech support channels or contact your retailer.





