1. 서론
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.
제품 끝view
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.
주요 특징
- 종이 없는 작업: 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.
- 풀 사이즈 키보드: 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 전원: Designed for continuous use with an included AC adapter.
2. 설정
계산기 전원 켜기
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.
그림 2.1: 전면 view of the Sharp EL-1901 calculator, showing the main display and secondary scrolling display.
3. 사용 설명서
기본 작업
To turn the calculator ON, press the 켜짐/꺼짐 button. The main 12-digit display will illuminate. The secondary 5-line display will show previous entries or be blank if reset.
- 숫자 입력: Use the numeric keypad (0-9, 00, .) to enter values.
- 산술 연산: 사용하세요 + (덧셈), - (빼기), x (곱셈) ÷ (나눗셈) 키를 누르세요. = 결과를 계산하기 위해.
- 입력 내용 지우기/모두 지우기: 그만큼 C/CE key clears the last entry. Pressing it twice typically clears all entries and resets the calculation.
- 역행 키이: 사용하세요 ← 마지막으로 입력한 숫자를 삭제하려면 키를 누르세요.
- Change Sign: 사용하세요 +/- 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 ▲ (위) 그리고 ▼ (down) arrow keys to scroll through your entry history.
그림 3.1: 클로즈업 view of the calculator's main 12-digit display and the secondary 5-line scrolling display.
Check and Correct Function
이 기능을 사용하면 다음을 수행할 수 있습니다.view and edit past entries. While viewing the history on the secondary display:
- 사용 ▲ 그리고 ▼ to navigate to the entry you wish to correct.
- 를 누르세요 옳은 key. Enter the new value.
- 누르다 끼워 넣다 to add a new line before the selected entry, or 삭제 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 모두 삭제 열쇠.
Video 3.1: Official product video demonstrating the Sharp EL-1901 Paperless Printing Calculator, highlighting its check and correct function and dual displays.
특수 기능
- 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 요금 설정 단추.
- 총계(GT): Accumulates the results of multiple calculations. Press GT 총합계를 표시하기 위해.
- Memory Keys (M+, M-, M*, M/): Store and recall values from memory.
- M+표시된 값을 메모리에 추가합니다.
- M-표시된 값을 메모리에서 뺍니다.
- M*: Multiplies the displayed value with memory.
- M/: Divides the displayed value with memory.
- 링깃/센티미터: Recalls memory content / Clears memory content.
- Rounding Keys (ROUND, DEC): Adjust rounding settings for calculations.
4. 유지관리
청소
계산기를 청소하려면 부드럽고 마른 천을 사용하세요. 잘 지워지지 않는 오염의 경우, 가볍게 두드리세요.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.
배터리 교체
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.
- 계산기 아랫면에 있는 배터리함을 찾으세요.
- Open the compartment cover (you may need a small screwdriver).
- Remove the old CR2032 battery and insert a new one, observing the correct polarity (+/-).
- 배터리 덮개를 단단히 닫으세요.
5. 문제 해결
If you encounter issues with your Sharp EL-1901 calculator, please refer to the following common problems and solutions:
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 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. |
|
| 잘못된 계산 결과입니다. | Incorrect entry, incorrect function used, or rounding settings. |
|
6. 사양
- 모델: EL-1901
- 상표: 날카로운
- 제품 크기: 11.02 x 8.27 x 3.15 인치
- 품목 무게: 1.94파운드
- 전원: AC 어댑터
- 배터리: 1 x CR2032 (for memory backup)
- 화면 크기: 4 Inches (primary display)
- 디스플레이 유형: 12-Digit LCD Primary, 5-Line Scrolling LCD Secondary
- 색상: 하얀색
7. 보증 및 지원
For warranty information, please refer to the documentation included with your purchase or visit the official Sharp Calculators web본 사이트는 본 설명서에 나와 있지 않은 기술 지원이나 문의 사항이 있는 경우 Sharp 고객 지원팀에 문의하시기 바랍니다.
Official Sharp Calculators Web대지: www.sharpcalculators.com