Sharp EL-145T BL Calculator User Manual

1. Вовед

This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-145T BL 14-digit desktop calculator. Designed for office tasks, this calculator features tax calculation, percentage calculation, root calculation, and a 4-key memory system. It operates using both solar power and a backup battery, ensuring reliable performance.

Ве молиме внимателно прочитајте го ова упатство пред да го користите калкулаторот за да обезбедите оптимални перформанси и долготрајност.

2. Информации за безбедност

• Do not expose the calculator to direct sunlight for extended periods or to extreme temperatures.
• Avoid dropping the calculator or subjecting it to strong impacts.
• Keep the calculator away from water and other liquids.
• Do not attempt to disassemble or modify the calculator. Refer all servicing to qualified personnel.
• Фрлете ги батериите според локалните прописи.

3. Производот завршиview

The Sharp EL-145T BL is a compact and efficient 14-digit desktop calculator. Its angled LCD display enhances readability, making it suitable for various calculations.

Слика 1: Предна страна view of the Sharp EL-145T BL calculator, showing the 14-digit display, solar panel, and key layout. The calculator features a black body with blue accents.

Клучни карактеристики:

• 14-digit angled LCD display for clear viewинг.
• Dual power source: Solar and battery (1 x LR-54/LR44).
• Dedicated tax calculation keys (+TAX, -TAX, RATE SET, RATE RECALL).
• Персенtage calculation function (%).
• Square root calculation (√).
• 4-key memory functions (M+, M-, RM, CM).
• Clear Entry (CE) and All Clear (CA/C) keys.

Компоненти:

The calculator consists of a main unit with a display panel, a solar panel, and a keypad. The keypad includes numeric keys (0-9, .), arithmetic operation keys (+, -, ×, ÷, =), and special function keys.

Слика 2: The Sharp EL-145T BL calculator positioned on a wooden desk, demonstrating its compact size and suitability for office environments. A highlighter and sticky note are visible nearby.

4. Поставување

Извор на енергија:

The EL-145T BL calculator is designed for dual power operation:

• Соларна енергија: The calculator primarily operates on solar power when sufficient light is available. Ensure the solar panel (located above the display) is exposed to light.
• Напојување на батеријата: A backup battery (1 x LR-54 or LR44) is included to provide power in low-light conditions.

Инсталација/замена на батерија:

1. Ensure the calculator is turned off or in a well-lit area to utilize solar power.
2. Пронајдете го капакот на преградата за батерии на задната страна од калкулаторот.
3. Внимателно отстранете го капакот.
4. Insert a new LR-54 or LR44 battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
5. Добро заменете го капакот на преградата за батерии.

Note: The calculator may power on automatically once sufficient light or battery power is detected.

5. Упатства за работа

Основни аритметички операции:

Enter numbers and use the standard arithmetic keys (+, -, ×, ÷) followed by the equals key (=) to perform calculations.

• Додаток: [Number 1] [+] [Number 2] [=]
• Одземање: [Number 1] [-] [Number 2] [=]
• Множење: [Number 1] [×] [Number 2] [=]
• Поделба: [Number 1] [÷] [Number 2] [=]

Clear Functions:

• [CA/C] (All Clear): Clears all entries and memory, resetting the calculator.
• [CE] (Clear Entry): Clears the last entered number or the current calculation result without affecting previous entries or memory.

Персенtage Пресметка:

Да се ​​пресмета процентотtages, use the [%] клуч.

• Exampле: Calculate 15% of 200.
  Внесете [200] [×] [15] [%]Резултатот ќе биде 30.
• Exampле: Add 15% to 200.
  Внесете [200] [+] [15] [%]Резултатот ќе биде 230.

Пресметка на данок:

The calculator features dedicated keys for tax calculations. First, set the tax rate.

1. Одредување на даночната стапка:
   Enter the tax rate (e.g., [8] for 8%). Press [RATE SET]. The tax rate is now stored.
2. Додавање данок:
   Enter the amount (e.g., [100]). Притиснете [+TAX]. The display will show the amount with tax added.
3. Одземање на данок:
   Enter the amount (e.g., [108]). Притиснете [-TAX]. The display will show the amount with tax removed.
4. Повикување на даночна стапка:
   Притиснете [RATE RECALL] до view моментално утврдената даночна стапка.

Функции на меморија:

The 4-key memory allows you to store and recall values.

• [M+] (Memory Plus): Ја додава прикажаната вредност во меморијата.
• [M-] (Memory Minus): Ја одзема прикажаната вредност од меморијата.
• [RM] (Recall Memory): Displays the value currently stored in memory.
• [CM] (Clear Memory): Clears the memory content. (Often combined with RM, pressing RM twice clears memory).

Пресметка на квадратен корен:

To calculate the square root of a number, enter the number and then press the [√] клуч.

• Exampле: Calculate the square root of 81.
  Внесете [81] [√]Резултатот ќе биде 9.

6. Одржување

• Чистење: Use a soft, dry cloth to clean the calculator's exterior. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use abrasive cleaners or solvents.
• Складирање: When not in use for extended periods, store the calculator in a cool, dry place away from direct sunlight and extreme temperatures.
• Траење на батеријата: The battery life is approximately 2 years when used for 1 hour per day under solar power. Replace the battery when the display becomes dim or erratic in low light.

7 Смена на проблеми

8. Спецификации

9. Гаранција и поддршка

Sharp products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or contact your local Sharp customer support. Keep your purchase receipt as proof of purchase.

For further assistance or inquiries, please visit the official Sharp webсајт или контактирајте со нивниот оддел за услуги на клиентите.