1. Киришүү
The Sharp EL339HB is a semi-desk executive calculator designed for efficient and precise calculations. It features an extra-large, 12-digit liquid crystal display (LCD) with punctuation for enhanced readability. Built with a durable metal case and a low-noise keyboard, this calculator is ideal for professional environments. Its dual power source (solar with battery backup) ensures reliable operation.
Key functions include a four-key memory system (memory plus, memory minus, recall memory, and clear memory), grand total key, cost/sell/margin calculations, percent key, sign change key, and an answer check feature. The integrated kickstand provides flexible viewing angles for user comfort.
Сүрөт 1: Алдыңкы view of the Sharp EL339HB Semi-Desk Executive Calculator, showing the 12-digit display and key layout.
2. Орнотуу жана кубат
The Sharp EL339HB calculator operates on a dual power system: solar power and battery backup. This ensures continuous operation even in varying light conditions.
2.1 Алгачкы колдонуу
Upon first use, ensure the calculator is exposed to sufficient light for the solar panel to activate. If the display does not immediately appear, press the ON/C·CE key. The calculator is ready for use when "0." appears on the display.
2.2 Автоматтык түрдө өчүрүү
To conserve power, the calculator features an automatic power-off function. It will turn off after approximately 7 minutes of inactivity. To reactivate, simply press the ON/C·CE ачкыч.
2.3 Kickstand Adjustment
Оптималдуу үчүн viewing, the calculator is equipped with a kickstand on its rear. Gently pull out the kickstand to prop the calculator at an angle. Push it back in when not needed for flat storage.
2-сүрөт: Арткы view of the calculator showing the adjustable kickstand for ergonomic viewing.
3. Иштөө нускамалары
This section details the various functions and operations of the Sharp EL339HB calculator.
3.1 Негизги арифметикалык амалдар
Сандык баскычтопту колдонуп сандарды киргизиңиз. Колдонуңуз + (кошумча), - (кемитүү), x (көбөйтүү), жана ÷ (division) keys for calculations. Press = натыйжаны көрсөтүү үчүн.
- ON/C·CE: Turns the calculator on. When on, acts as Clear Entry (clears the last entered number) with a single press, and Clear All (clears all calculations and memory) with a double press.
- CA: Clear All. Clears all entries and memory.
3.2 Эстутум функциялары
The calculator includes a four-key memory system:
- M+: Көрсөтүлгөн маанини эс тутумга кошот.
- M-: Көрсөтүлгөн маанини эс тутумдан кемитип алат.
- RM: Эстутумда сакталган маанини дисплейге чакырып алат.
- CM: Clears the memory.
3.3 Атайын функциялар
- GT: Grand Total. Accumulates the results of all calculations. Pressing GT displays the accumulated total.
- COST/SELL/MGN: These keys are used for cost, selling price, and margin calculations. Refer to the detailed user manual for specific sequences.
- %: Percent key. Used for percentage эсептөөлөр.
- +/-: Sign Change key. Changes the sign of the displayed number (positive to negative, or negative to positive).
- ANSWER CHECK: Allows you to verify previous calculations.
3.4 Ондук чекиттин жөндөөлөрү
The calculator offers various decimal point settings, typically controlled by a slider switch:
- F: Калкыма ондук чекит.
- 3, 2, 1, 0: Fixed decimal places (3, 2, 1, or 0 digits after the decimal point).
- A: Add mode (automatically adds decimal point for currency calculations).
Additionally, there is a "5/4" switch which controls rounding up or down for fixed decimal settings.
Видео 1: Продукт бүттүview demonstrating key features and operation of the Sharp EL339HB calculator.
4. Техникалык тейлөө
4.1 Тазалоо
To maintain the calculator's appearance and functionality, wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the calculator in water.
4.2 Батареяны алмаштыруу
The calculator includes a battery backup. If the display becomes dim or unresponsive in adequate light, the battery may need replacement. The battery compartment is located on the back of the unit. Refer to the full user manual for detailed instructions on how to safely replace the battery. Use only the specified battery type.
5. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Дисплей бош же күңүрт. | Insufficient light for solar panel, or low battery. | Ensure the calculator is in a well-lit area. If the problem persists, replace the battery. |
| Calculator does not turn off with a dedicated key. | This model features an automatic power-off function. | The calculator will automatically turn off after approximately 7 minutes of inactivity. This is normal operation. |
| Туура эмес эсептөө натыйжалары. | Incorrect key input, or incorrect decimal setting. | Басыңыз CA to clear all entries and memory, then re-enter the calculation. Check the decimal point setting switch (F, 3, 2, 1, 0, A) and the 5/4 rounding switch. |
6. Техникалык шарттар
- Бренд: Sharp
- Модел: SHREL339HB
- Түсү: Боз
- Калькулятордун түрү: Каржылык
- Дисплей: 12-Digit Liquid Crystal Display (LCD)
- Кубат булагы: Solar Powered with Battery Backup (1 Product Specific battery included)
- Продукциянын өлчөмдөрү: 10.2 x 6.3 x 1 дюйм
- Элемент Салмагы: 3.52 унция
- Өзгөчөлүктөрү: Four-key memory, Grand Total, Cost/Sell/Margin, Percent, Sign Change, Answer Check, Low-noise keyboard, Metal case, Kickstand.
7. Кепилдик жана колдоо
For detailed warranty information, please refer to the documentation included with your product or visit the official Sharp webсайт. Техникалык колдоо же тейлөө боюнча суроолоруңуз болсо, Sharp кардарларды тейлөө кызматына кайрылыңыз.
PDF форматындагы расмий колдонуучу колдонмосун жүктөп алуу үчүн жеткиликтүү: Колдонуучунун колдонмосун жүктөп алуу (PDF).
