Indledning
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.
Produkt overview
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.

Billede 1: Vinklet 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.

Billede 2: Top-down 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.
Opsætningsinstruktioner
- Pak tastaturet ud: Carefully remove the keyboard and the USB Unifying receiver from its packaging.
- Installer batterier:
- Find batterirummet på undersiden af tastaturet.
- Åbn dækslet til rummet.
- Insert two AA batteries, ensuring correct polarity (+/-). (Two AA batteries are required and typically included).
- Luk batterirummets dæksel.
- Tilslut USB-modtageren:
- 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.
- Tænd: 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.
- Test funktionalitet: Verify that the keyboard and touchpad are responsive. If not, refer to the Troubleshooting section.

Billede 3: Vinklet 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.
Betjeningsvejledning
Tastatur funktioner
- Indtastning: Use the standard QWERTY (or AZERTY, depending on region) layout for text input.
- Funktionstaster (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.
- Mediekontrolknapper: Dedicated keys for volume up/down/mute, play/pause, previous/next track are typically located above the function keys.
- Specialnøgler: Keys like Home, End, Page Up, Page Down are integrated into the layout for navigation.
Touchpad -funktioner
The integrated touchpad allows for precise cursor control and supports multi-touch gestures.
- Tryk med en enkelt finger: Fungerer som et venstreklik.
- To-finger tryk: Fungerer som et højreklik.
- To-finger rulning: Drag two fingers up or down to scroll vertically. Drag two fingers left or right to scroll horizontally.
- Knib zoom: Pinch in or out with two fingers to zoom in or out (application dependent).
- Venstreklik-knap: 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.

Billede 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.
Opretholdelse
- Rensning:
- Sluk tastaturet før rengøring.
- Brug en blød, fnugfri klud lidt dampafsluttes med vand eller en mild rengøringsopløsning.
- Undgå for meget fugt, og sprøjt ikke rengøringsmidler direkte på tastaturet.
- Brug ikke slibende rengøringsmidler, opløsningsmidler eller aerosolspray.
- Udskiftning af batteri:
- When the battery indicator light (if present) signals low power, or if performance degrades, replace the two AA batteries.
- Følg trinene til batteriinstallation, der er beskrevet i afsnittet Opsætning.
- Bortskaf gamle batterier ansvarligt i henhold til lokale regler.
- Opbevaring: Opbevar tastaturet et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer. Fjern batterierne, hvis det opbevares i en længere periode, for at forhindre lækage.
Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Tastaturet reagerer ikke |
|
|
| Touchpad not working correctly |
|
|
| Tasterne er klæbrige eller reagerer ikke |
|
|
Specifikationer
- Mærke: Logitech
- Modelnummer: 920-003110 (K400)
- Forbindelse teknologi: RF trådløs (2.4 GHz)
- Trådløs rækkevidde: Up to 10 meters (33 feet) (Actual wireless range may vary with use, settings and environmental conditions.)
- Pegeanordning: Integreret touchpad
- Tastatur layout: Standard (Layout may vary by region, e.g., QWERTY, AZERTY)
- Kompatible enheder: Laptop, PC, Smart TV
- Operativsystemkompatibilitet: Windows, Windows 7, Windows Vista, Windows XP (and generally compatible with modern OS like Windows 10/11, macOS, Linux for basic functions)
- Strømkilde: Batteridrevet
- Batterier: 2 AA batterier (medfølger)
- Batterilevetid: Up to 18 months (Battery life may vary based on user and computing conditions.)
- Varens vægt: Cirka 1.19 pund (0.54 kg)
- Produktmål (LxBxH): Cirka 16 x 6 x 1.25 tommer (40.64 x 15.24 x 3.18 cm)
- Farve: Sort
- Materiale: Silicone Plastic
- Hvad er der i æsken: Wireless Touch Keyboard K400, USB Unifying receiver, 2 AA batteries, User documentation.
Garanti og support
For detaljerede garantioplysninger og teknisk support henvises til den officielle Logitech-brugermanual. website or contact Logitech customer service. Product registration may be required to activate your warranty.
- Online support: Besøg Logitech Support for FAQs, drivers, and troubleshooting guides.
- Produktregistrering: Registrer dit produkt på Logitech Product Registration.





