1. Киришүү
This manual provides comprehensive instructions for the operation and maintenance of your Sharp EL-1901 Paperless Printing Desk Calculator. Please read this manual thoroughly before using the calculator to ensure proper function and longevity.
Продукт бүттүview
The Sharp EL-1901 is a paperless printing calculator designed for efficiency and environmental consciousness. It combines the robust functionality of a traditional desktop calculator with an innovative digital display that eliminates the need for paper and ink. Its unique features include a large 12-digit primary LCD and a secondary 5-line scrolling LCD for reviewing past calculations.
Негизги өзгөчөлүктөрү
- Кагазсыз операция: Eco-friendly design eliminates the need for paper rolls and ink ribbons.
- Dual LCD Displays: Features a large 12-digit primary display and a secondary 5-line scrolling display for reviewing up to 300 previous entries.
- Check and Correct Function: Easily modify and recalculate entries within the 300-line history for accuracy.
- Толук өлчөмдөгү баскычтоп: Includes dedicated keys for tax calculations (TAX+, TAX-), cost/sell/margin (COST, SELL, MGN), grand total (GT), backspace, and memory functions (M+, M-, M*, M/).
- Quiet and Fast Operation: Provides instant results without the noise associated with traditional printing calculators.
- AC кубаттуулугу: Designed for continuous use with an included AC adapter.
2. Орнотуу
Калькуляторду иштетүү
The Sharp EL-1901 calculator is primarily powered by an AC adapter. Locate the AC adapter port on the side or rear of the calculator and plug in the provided adapter. Connect the adapter to a standard electrical outlet.
For backup or memory retention, the calculator also requires 1 CR2032 battery. Ensure this battery is installed correctly in its compartment, typically located on the underside of the unit, to maintain settings and memory during power interruptions or when the AC adapter is disconnected.
Сүрөт 2.1: Алдыңкы view of the Sharp EL-1901 calculator, showing the main display and secondary scrolling display.
3. Иштөө нускамалары
Негизги операциялар
To turn the calculator ON, press the КҮЙГҮЗҮҮ/ӨЧҮРҮҮ button. The main 12-digit display will illuminate. The secondary 5-line display will show previous entries or be blank if reset.
- Number Entry: Use the numeric keypad (0-9, 00, .) to enter values.
- Арифметикалык амалдар: колдонуу + (addition), - (subtraction), x (multiplication), and ÷ (division) keys. Press = натыйжасын эсептөө үчүн.
- Clear Entry/Clear All: The C/CE key clears the last entry. Pressing it twice typically clears all entries and resets the calculation.
- Backspace: колдонуу ← key to delete the last digit entered.
- Change Sign: колдонуу +/- key to change the sign of the displayed number.
Paperless Printing and Scrolling Display
The secondary 5-line LCD acts as your digital "paper tape," displaying up to 300 lines of previous calculations. Use the ▲ (жогоруда) жана ▼ (down) arrow keys to scroll through your entry history.
Сүрөт 3.1: Жакын пландан view of the calculator's main 12-digit display and the secondary 5-line scrolling display.
Check and Correct Function
Бул өзгөчөлүк сизге кайра мүмкүнчүлүк беретview and edit past entries. While viewing the history on the secondary display:
- Колдонуу ▲ жана ▼ to navigate to the entry you wish to correct.
- басыңыз ТУУРА key. Enter the new value.
- Басыңыз INSERT to add a new line before the selected entry, or ЖОК to remove the selected entry.
- The calculator will automatically recalculate the total based on your changes.
- To clear all entries from the secondary display, press the БААРЫН ЖОК ачкыч.
Video 3.1: Official product video demonstrating the Sharp EL-1901 Paperless Printing Calculator, highlighting its check and correct function and dual displays.
Атайын функциялар
- Cost/Sell/Margin (COST, SELL, MGN): These keys simplify profit margin calculations. Enter any two variables (cost, selling price, or margin percentage), and the calculator will automatically compute the third.
- Tax Keys (TAX+, TAX-): Use these keys for quick tax calculations. Set the tax rate using the БАА КОЮЛДУ баскычы.
- Жалпы жыйынтык (GT): Accumulates the results of multiple calculations. Press GT жалпы сумманы көрсөтүү үчүн.
- Memory Keys (M+, M-, M*, M/): Store and recall values from memory.
- M+: Adds the displayed value to memory.
- M-: Subtracts the displayed value from memory.
- M*: Multiplies the displayed value with memory.
- M/: Divides the displayed value with memory.
- RM/CM: Recalls memory content / Clears memory content.
- Rounding Keys (ROUND, DEC): Adjust rounding settings for calculations.
4. Техникалык тейлөө
Тазалоо
Калькуляторду тазалоо үчүн жумшак, кургак чүпүрөктү колдонуңуз. Өтө кир болсо, бир аз сүртүңүз.ampen the cloth with water or a mild, non-abrasive cleaner. Do not use strong solvents or abrasive materials, as they may damage the surface or displays.
Батареяны алмаштыруу
The calculator uses one CR2032 battery for memory backup. If the display shows erratic behavior or memory functions are unreliable when the AC adapter is disconnected, the battery may need replacement.
- Ensure the calculator is turned off and disconnected from the AC power.
- Калькулятордун астыңкы бетинен батарея бөлүмүн табыңыз.
- Open the compartment cover (you may need a small screwdriver).
- Remove the old CR2032 battery and insert a new one, observing the correct polarity (+/-).
- Батарея уясынын капкагын бекем жабыңыз.
5. Кыйынчылыктарды
If you encounter issues with your Sharp EL-1901 calculator, please refer to the following common problems and solutions:
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Calculator does not turn on or respond to key presses. | No power, loose AC adapter connection, or internal malfunction. |
|
| Secondary display (scrolling history) is blank or not updating. | Display cleared, or a temporary software glitch. |
|
| Туура эмес эсептөө натыйжалары. | Incorrect entry, incorrect function used, or rounding settings. |
|
6. Техникалык шарттар
- Модел: ЭЛ-1901
- Бренд: Sharp
- Продукциянын өлчөмдөрү: 11.02 x 8.27 x 3.15 дюйм
- Элемент Салмагы: 1.94 фунт
- Кубат булагы: AC адаптер
- Батарея: 1 x CR2032 (for memory backup)
- Экрандын өлчөмү: 4 Inches (primary display)
- Дисплей түрү: 12-Digit LCD Primary, 5-Line Scrolling LCD Secondary
- Түсү: Ак
7. Кепилдик жана колдоо
For warranty information, please refer to the documentation included with your purchase or visit the official Sharp Calculators website. If you require technical assistance or have questions not covered in this manual, please contact Sharp customer support.
Official Sharp Calculators Webсайт: www.sharpcalculators.com
