1. Pengenalan
This manual provides instructions for the installation, operation, and maintenance of your AT&T EL51403 DECT 6.0 Cordless Home Phone System. This system includes a base unit and four cordless handsets, designed for clear communication and ease of use in your home or office environment.
Key features include DECT 6.0 technology for interference-free communication, a simulated full-duplex handset speakerphone, a backlit LCD display, a lighted keypad, and Caller ID/Call Waiting functionality.
2. Apa yang ada di dalam Kotak
Sahkan bahawa pakej anda mengandungi item berikut:
- Unit asas
- 4 Telefon bimbit
- 3 Adaptors (for charging cradles)
- 4 Pek bateri
- Tali talian telefon
- Panduan permulaan cepat

Imej: Selesaiview of the AT&T EL51403 4-handset cordless phone system, showing the main base unit with one handset and three additional charging cradles with their respective handsets.
3. Persediaan
3.1. Pemasangan Bateri
- Buka penutup petak bateri di belakang setiap telefon bimbit.
- Sambungkan palam pek bateri dengan selamat ke dalam bicu di dalam petak.
- Place the battery pack with the label UP into the compartment.
- Slide the battery compartment cover back into place until it clicks.
3.2. Connecting the Base Unit and Charging Cradles
- Plug the large end of the base unit power adapter into an electrical outlet.
- Plug the small end of the base unit power adapter into the power jack on the back of the base unit.
- Plug one end of the telephone line cord into the telephone jack on the back of the base unit.
- Palamkan hujung satu lagi kord talian telefon ke dalam bicu dinding telefon.
- For each additional handset, plug the power adapter into an electrical outlet and the charging cradle.
3.3. Pengecasan Awal
Place each handset in its respective base unit or charging cradle. The CHARGE light on the handset will illuminate. Allow the handsets to charge for at least 16 hours before initial use to ensure optimal battery performance.
4. Arahan Operasi
4.1. Membuat dan Menjawab Panggilan
- Untuk Membuat Panggilan: Tekan TELEFON / FLASH, kemudian dail nombor itu.
- Untuk Menjawab Panggilan: Semasa telefon berdering, tekan TELEFON / FLASH or any dialing key (0-9, *, #).
- Untuk Menamatkan Panggilan: Tekan MATI/BATAL or place the handset back in the base/charger.
4.2. Menggunakan Telefon Pembesar Suara
Semasa panggilan, tekan PENCERAMAH button to activate the speakerphone. Press it again to return to normal handset mode.

Image: A cordless handset on its base, with the speakerphone function active, illustrating a simulated full-duplex conversation between two individuals.
4.3. Melaraskan Kelantangan
Semasa panggilan, tekan JILID (DIR/CID) up or down to adjust the listening volume.
4.4. Phonebook Directory
The phonebook can store up to 50 names and numbers. To access, add, or edit entries:
- Tekan MENU/PILIH apabila telefon bimbit tidak berfungsi.
- Scroll to "Phonebook" and press MENU/PILIH.
- Follow the on-screen prompts to add, review, or edit entries.

Image: A cordless handset on its base, with the screen showing a phonebook directory interface, indicating the ability to store up to 50 names and numbers.
4.5. Caller ID/Call Waiting
The handset displays the caller's name and number if you subscribe to Caller ID service. The phone stores up to 50 Caller ID records.
- Reviewing Caller ID History: Tekan CID when the handset is idle. Scroll through the list using the DIR / VOLUME butang.
- To Call Back: manakala viewdalam masukan ID Pemanggil, tekan TELEFON / FLASH.

Image: A close-up of the cordless handset's screen showing an incoming call with caller ID information, including name and number.
5. Ciri-ciri
- Teknologi DECT 6.0: Provides superior sound quality, security, and range. This digital technology ensures calls are clear and interference-free, with an operating range of up to 1000 feet outdoors.
- Simulated Full-Duplex Handset Speakerphone: Allows both parties to speak and be heard simultaneously, enhancing natural conversation flow.
- Mod ECO: An energy-saving feature that intelligently manages power consumption, extending battery life and reducing energy usage.
- Backlit Screen and Lighted Keypad: The high-contrast white backlit LCD screen and illuminated keypad ensure easy readability and dialing in various lighting conditions, including low light.

Image: A hand holding the cordless handset, clearly showing the illuminated keypad and the bright, backlit LCD screen in a dimly lit room.
- Paparan Lebih Besar: The large text on the screen makes it easy to read caller ID information and navigate menus.

Imej: Dari dekat view of the cordless handset's screen, highlighting the large, easy-to-read text for caller ID and time display.
- Butang Besar: Features large font and extra-large backlit keys, which are particularly helpful for users with visual impairments.

Image: A cordless handset on its base, showing the large, clearly visible, and backlit numeric keys. An inset image shows an elderly man comfortably using the phone.
- Wall-Mount Bracket Included: The base unit can be easily installed on a table or mounted on a wall for flexible placement options.

Image: The cordless phone base unit with a handset, shown mounted on a wall using the included bracket, demonstrating its versatile installation options.
6. Penyelenggaraan
- Pembersihan: Bersihkan telefon dan unit asas dengan lembut, sedikit damp kain. Jangan gunakan semburan pembersih atau bahan kimia yang keras.
- Penjagaan Bateri: To maintain optimal battery life, fully charge the handsets for 16 hours before first use. If the phone will not be used for an extended period, remove the batteries.
- Keadaan Persekitaran: Avoid placing the phone in direct sunlight, near heat sources, or in areas with excessive moisture or dust.
7. Penyelesaian masalah
7.1. Tiada Nada Dail
- Ensure the base unit's power adapter is securely plugged into an electrical outlet and the telephone line cord is connected to a working wall jack.
- Check if other phones on the same line are working. If not, contact your telephone service provider.
7.2. Handset Does Not Charge
- Verify the handset is correctly placed in the charging cradle and the CHARGE light is on.
- Ensure the battery pack is properly installed and connected inside the handset.
- Bersihkan sesentuh pengecas pada kedua-dua telefon bimbit dan pemegangnya dengan kain kering.
7.3. Poor Sound Quality or Interference
- Gerakkan telefon bimbit lebih dekat ke unit asas.
- Avoid placing the base unit near other electronic devices (e.g., microwaves, computers, Wi-Fi routers) that may cause interference.
- If using a DSL service, ensure a DSL filter is installed on the telephone line.
7.4. Display is Blank or Handset Does Not Power On
- Ensure the battery pack is fully charged. Place the handset in the charger for at least 16 hours.
- Check that the battery pack is correctly installed.
8. Spesifikasi
| Dimensi Produk | 4.76 x 3.29 x 6.81 inci |
|---|---|
| Berat Barang | 2.59 paun |
| Nombor Model | EL51403 |
| Bateri | 4 Produk Bateri khusus diperlukan (termasuk) |
| Jenis Telefon | Tanpa wayar |
| bahan | plastik |
| Sumber Kuasa | Elektrik Bertali |
| Jenis Pendail | Papan kekunci tunggal |
| Jenis Sistem Menjawab | Tidak |
| Peranti Serasi | PSTN Landline Services |

Image: A visual representation of the AT&T EL51403 base unit and a handset, detailing their respective height, width, and depth measurements.
9. Waranti dan Sokongan
AT&T products are manufactured by VTech Communications, Inc. A standard limited warranty typically covers defects in materials and workmanship under normal use for a specified period from the date of purchase. Please refer to the warranty card included in your product packaging or visit the official AT&T product support website for detailed warranty information and customer service contact options.
For technical support or warranty claims, please contact AT&T customer service. Keep your purchase receipt as proof of purchase.





