1. المقدمة
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. ماذا يوجد في الصندوق
تأكد من أن الحزمة الخاصة بك تحتوي على العناصر التالية:
- الوحدة الأساسية
- هواتف 4
- 3 Adaptors (for charging cradles)
- عدد 4 بطارية
- سلك خط الهاتف
- دليل البدء السريع

الصورة: أكثر منview 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. الإعداد
3.1. تركيب البطارية
- افتح غطاء حجرة البطارية الموجود على الجزء الخلفي لكل سماعة.
- قم بتوصيل قابس حزمة البطارية بشكل آمن بالمقبس الموجود داخل الحجرة.
- Place the battery pack with the label UP into the compartment.
- قم بتحريك غطاء حجرة البطارية إلى مكانه حتى تسمع صوت طقطقة.
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.
- قم بتوصيل أحد طرفي سلك خط الهاتف بمقبس الهاتف الموجود في الجزء الخلفي من الوحدة الأساسية.
- قم بتوصيل الطرف الآخر من سلك خط الهاتف بمقبس الهاتف الموجود على الحائط.
- For each additional handset, plug the power adapter into an electrical outlet and the charging cradle.
3.3. الشحن الأولي
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. تعليمات التشغيل
4.1. إجراء المكالمات والرد عليها
- لإجراء أتصال: يضعط الهاتف / الفلاشثم اتصل بالرقم.
- للرد على مكالمة: عندما يرن الهاتف ، اضغط على الهاتف / الفلاش or any dialing key (0-9, *, #).
- لإنهاء المكالمة: يضعط إيقاف/إلغاء أو ضع سماعة الهاتف مرة أخرى في القاعدة/الشاحن.
4.2. استخدام مكبر الصوت
أثناء المكالمة ، اضغط على المتحدث 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. ضبط الحجم
أثناء المكالمة، اضغط على مقدار (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:
- يضعط القائمة/الاختيار عندما يكون الهاتف في وضع الخمول.
- Scroll to "Phonebook" and press القائمة/الاختيار.
- 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: يضعط معرف العميل when the handset is idle. Scroll through the list using the DIR / الحجم أزرار.
- To Call Back: بينما viewing a Caller ID entry, press الهاتف / الفلاش.

Image: A close-up of the cordless handset's screen showing an incoming call with caller ID information, including name and number.
5. المميزات
- تقنية 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.
- نمط الصدى: 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.
- Extra-Large Display: The large text on the screen makes it easy to read caller ID information and navigate menus.

الصورة: لقطة مقربة view of the cordless handset's screen, highlighting the large, easy-to-read text for caller ID and time display.
- أزرار كبيرة: 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. الصيانة
- تنظيف: قم بتنظيف الهاتف والوحدة الأساسية بقطعة قماش ناعمة ومبللة قليلاً.amp القماش. لا تستخدم بخاخات التنظيف أو المواد الكيميائية القاسية.
- العناية بالبطارية: 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.
- الظروف البيئية: تجنب وضع الهاتف في ضوء الشمس المباشر، أو بالقرب من مصادر الحرارة، أو في المناطق ذات الرطوبة أو الغبار الزائد.
7. استكشاف الأخطاء وإصلاحها
7.1. لا يوجد نغمة اتصال
- 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.
- Clean the charging contacts on both the handset and the cradle with a dry cloth.
7.3. Poor Sound Quality or Interference
- قم بتحريك الهاتف بالقرب من الوحدة الأساسية.
- 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. المواصفات
| أبعاد المنتج | 4.76 × 3.29 × 6.81 بوصة |
|---|---|
| وزن العنصر | 2.59 رطل |
| رقم الموديل | اي ال 51403 |
| البطاريات | 4 بطاريات خاصة بالمنتج مطلوبة (متضمنة) |
| نوع الهاتف | لاسلكي |
| مادة | بلاستيك |
| مصدر الطاقة | كهرباء سلكية |
| نوع المسجل | لوحة مفاتيح واحدة |
| نوع نظام الرد | لا |
| الأجهزة المتوافقة | 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. الضمان والدعم
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.





