pengenalan
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.
Produk Selesaiview
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.

Imej 1: bersudut 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.

Imej 2: Atas ke bawah 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.
Arahan Persediaan
- Buka pek Papan Kekunci: Carefully remove the keyboard and the USB Unifying receiver from its packaging.
- Pasang Bateri:
- Cari petak bateri di bahagian bawah papan kekunci.
- Buka penutup petak.
- Insert two AA batteries, ensuring correct polarity (+/-). (Two AA batteries are required and typically included).
- Tutup penutup petak bateri.
- Sambungkan Penerima USB:
- 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.
- Hidupkan kuasa: 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.
- Kefungsian Ujian: Verify that the keyboard and touchpad are responsive. If not, refer to the Troubleshooting section.

Imej 3: bersudut 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.
Arahan Operasi
Fungsi Papan Kekunci
- Menaip: Use the standard QWERTY (or AZERTY, depending on region) layout for text input.
- Kekunci Fungsi (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.
- Kekunci Kawalan Media: Dedicated keys for volume up/down/mute, play/pause, previous/next track are typically located above the function keys.
- Kunci Khas: Keys like Home, End, Page Up, Page Down are integrated into the layout for navigation.
Fungsi Pad Sentuh
The integrated touchpad allows for precise cursor control and supports multi-touch gestures.
- Ketik Satu Jari: Berfungsi sebagai klik kiri.
- Ketik Dua Jari: Berfungsi sebagai klik kanan.
- Tatal Dua Jari: Drag two fingers up or down to scroll vertically. Drag two fingers left or right to scroll horizontally.
- Pinch Zoom: Pinch in or out with two fingers to zoom in or out (application dependent).
- Butang Klik Kiri: 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.

Imej 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.
Penyelenggaraan
- Pembersihan:
- Matikan papan kekunci sebelum membersihkan.
- Gunakan kain lembut dan tidak berbulu sedikit dampdisapu dengan air atau larutan pembersih lembut.
- Elakkan kelembapan berlebihan dan jangan sembur pembersih terus ke papan kekunci.
- Jangan gunakan pembersih, pelarut atau semburan aerosol yang kasar.
- Penggantian Bateri:
- When the battery indicator light (if present) signals low power, or if performance degrades, replace the two AA batteries.
- Follow the battery installation steps outlined in the Setup section.
- Buang bateri lama secara bertanggungjawab mengikut peraturan tempatan.
- Storan: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, remove the batteries to prevent leakage.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Papan kekunci tidak bertindak balas |
|
|
| Pad sentuh tidak berfungsi dengan betul |
|
|
| Kekunci melekit atau tidak responsif |
|
|
Spesifikasi
- Jenama: Logitech
- Nombor Model: 920-003110 (K400)
- Teknologi Ketersambungan: Tanpa Wayar RF (2.4 GHz)
- Julat Tanpa Wayar: Up to 10 meters (33 feet) (Actual wireless range may vary with use, settings and environmental conditions.)
- Peranti Penunjuk: Pad Sentuh Bersepadu
- Susun atur Papan Kekunci: Standard (Layout may vary by region, e.g., QWERTY, AZERTY)
- Peranti Serasi: Laptop, PC, Smart TV
- Keserasian Sistem Pengendalian: Windows, Windows 7, Windows Vista, Windows XP (and generally compatible with modern OS like Windows 10/11, macOS, Linux for basic functions)
- Sumber Kuasa: Dikuasakan Bateri
- Bateri: 2 bateri AA (termasuk)
- Hayat Bateri: Up to 18 months (Battery life may vary based on user and computing conditions.)
- Berat Barang: Kira-kira 1.19 paun (0.54 kg)
- Dimensi Produk (LxWxH): Kira-kira 16 x 6 x 1.25 inci (40.64 x 15.24 x 3.18 cm)
- warna: Hitam
- Bahan: Silicone Plastic
- Apa yang ada di dalam Kotak: Wireless Touch Keyboard K400, USB Unifying receiver, 2 AA batteries, User documentation.
Waranti dan Sokongan
Untuk maklumat jaminan terperinci dan sokongan teknikal, sila rujuk Logitech rasmi website or contact Logitech customer service. Product registration may be required to activate your warranty.
- Sokongan dalam talian: melawat Sokongan Logitech for FAQs, drivers, and troubleshooting guides.
- Pendaftaran Produk: Daftar produk anda di Logitech Product Registration.





