Sharp EL-344RB Metric Conversion Wallet Calculator User Manual

مقدمة

Thank you for choosing the Sharp EL-344RB Metric Conversion Wallet Calculator. This compact and solar-powered calculator is designed for convenient everyday calculations and essential metric conversions. Its 10-digit LCD display ensures clear readability, and the protective wallet case provides portability and durability. This manual provides instructions for the proper setup, operation, and maintenance of your calculator.

Image: The Sharp EL-344RB Metric Conversion Wallet Calculator, shown with its protective wallet case. The calculator features a 10-digit LCD display and a standard keypad.

يثبت

The Sharp EL-344RB calculator is solar-powered and does not require batteries under normal operating conditions. For optimal performance, ensure the solar panel is exposed to sufficient light.

الاستخدام الأولي:

1. أفرغ: Carefully remove the calculator from its packaging and protective wallet case.
2. تشغيل الطاقة: The calculator will automatically power on when exposed to light. If the display is blank, ensure the solar panel is receiving adequate illumination.
3. عرض واضح: اضغط على ON / C button to clear any previous calculations or entries from the display.

تعليمات التشغيل

الحسابات الأساسية:

• إضافة (+), Subtraction (-), Multiplication (×), Division (÷): Enter the first number, press the desired operation key, enter the second number, then press = للحصول على النتيجة.
• إدخال واضح (CE): Clears the last entered number without affecting previous operations.
• All Clear (ON / C): Clears all entries and operations, resetting the calculator.
• بيرسنtagهـ(%): يستخدم لـ percentagالحسابات الإلكترونية. على سبيل المثالample, to calculate 15% of 200, enter 200 × 15 %.

التحويلات المترية:

The EL-344RB features dedicated keys for common metric conversions. Refer to the calculator's keypad for specific conversion labels (e.g., سم/بوصة, كجم / رطل, L/gal).

1. Enter Value: Input the numerical value you wish to convert.
2. Press Conversion Key: Press the appropriate conversion key. The display will show the converted value.
3. Reverse Conversion: Pressing the same conversion key again will typically convert the value back to its original unit.

Example: Converting 10 inches to centimeters.

1. يدخل 10.
2. اضغط على سم/بوصة key. The display will show the equivalent value in centimeters.

وظائف الذاكرة:

• الذاكرة بلس (M+): يضيف القيمة المعروضة إلى الذاكرة.
• الذاكرة ناقص (M-): يطرح القيمة المعروضة من الذاكرة.
• Recall Memory (MR): يعرض القيمة الحالية المخزنة في الذاكرة.
• Clear Memory (MC): يقوم بمسح الذاكرة، وتعيين قيمتها إلى الصفر.

صيانة

• تنظيف: Use a soft, dry cloth to clean the calculator's surface. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive cleaners, or solvents, as these can damage the display or casing.
• تخزين: When not in use, store the calculator in its protective wallet case to prevent scratches and damage. Avoid exposing it to extreme temperatures, high humidity, or direct sunlight for extended periods when stored.
• لوحة الطاقة الشمسية: حافظ على نظافة اللوحة الشمسية وعدم وجود عوائق أمامها لضمان استمرار إمداد الطاقة.

استكشاف الأخطاء وإصلاحها

• شاشة فارغة:

  Ensure the solar panel is exposed to sufficient light. The calculator requires ambient light to operate. If in a dimly lit environment, move it to a brighter area.
• حسابات غير صحيحة:

  يضعط ON / C to clear all previous operations and memory. Re-enter your calculation carefully. Check for correct key presses and operation order.

• المفاتيح لا تستجيب:

  Ensure the calculator is clean and free from debris around the keys. If the issue persists, try moving it to a brighter area to ensure adequate power.

تحديد

معلومات الضمان

Specific warranty terms and conditions for the Sharp EL-344RB calculator are typically provided with the product at the time of purchase or can be found on the official Sharp website. Please retain your proof of purchase for warranty claims. For detailed warranty information, please refer to the documentation included in your product packaging or visit the official Sharp support portal.

دعم العملاء

For further assistance, technical support, or inquiries regarding your Sharp EL-344RB calculator, please contact Sharp customer support. Contact details can usually be found on the official Sharp webالموقع أو في عبوة المنتج.

الدعم عبر الإنترنت: قم بزيارة موقع شارب الرسمي webالموقع الخاص بالأسئلة الشائعة وتسجيل المنتج وموارد الدعم.

الدعم عبر الهاتف: راجع وثائق المنتج أو دليل شارب webموقع للحصول على أرقام هواتف خدمة العملاء الإقليمية.