Sharp EL-2135 12-Digit Electronic Desktop Calculator User Manual

1. 서론

This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-2135 12-digit electronic desktop calculator. Designed for general purpose calculations, this lightweight and ergonomically designed calculator is ideal for both school and office environments. It features a clear 12-digit LCD display and operates efficiently with dual power sources.

2. 주요 특징

• 12자리 LCD 디스플레이: Provides clear and easy-to-read numerical output.
• Comfortable Desktop Size: Optimized dimensions for stable and convenient use on any desk.
• Elegant Gray Body: Durable ABS plastic construction with a professional aesthetic.
• 제곱근 함수: Dedicated button for quick square root calculations.
• 이중 전원: Operates on both solar power and a lithium-ion battery, ensuring functionality even in low light conditions.

3. 설정

3.1 전원 켜기

The Sharp EL-2135 calculator utilizes a dual power system: solar and battery. It will automatically draw power from the solar cell when sufficient light is available. In dim lighting or darkness, the included lithium-ion battery will provide power. No manual power-on switch is typically required; the calculator activates upon light exposure or key press.

3.2 배터리 설치/교체

The calculator comes with a lithium-ion battery pre-installed. If battery replacement becomes necessary:

1. Ensure the calculator is off or in a well-lit area to utilize solar power.
2. 장치 뒷면에서 배터리 칸을 찾으세요.
3. 조심스럽게 수납공간 덮개를 엽니다.
4. Remove the old battery and insert a new CR2032 lithium-ion battery, ensuring correct polarity (+/-).
5. 배터리 덮개를 단단히 닫으세요.

참고: 사용한 배터리는 현지 규정에 따라 폐기하십시오.

4. 사용 설명서

4.1 기본 산술 연산

Perform addition, subtraction, multiplication, and division using the dedicated keys:

• 추가(+): 첫 번째 숫자를 입력하고 누르세요 +두 번째 숫자를 입력하고 누르세요. =.
• 빼기(-): 첫 번째 숫자를 입력하고 누르세요 -두 번째 숫자를 입력하고 누르세요. =.
• 곱셈(×): 첫 번째 숫자를 입력하고 누르세요 ×두 번째 숫자를 입력하고 누르세요. =.
• 나누기(÷): 첫 번째 숫자를 입력하고 누르세요 ÷두 번째 숫자를 입력하고 누르세요. =.

4.2 특수 기능

• 제곱근(√): Enter a number, then press the √ key to calculate its square root.
• 퍼센tag전자(%): 퍼센트에 사용됨tag전자 계산. 예를 들어ample, to calculate 10% of 200: Enter 200, press ×, 10을 입력하고 누르세요 %.
• 총계(GT): Accumulates the results of all calculations performed after the last GT clear. Press GT 총합계를 표시하기 위해.
• Mark-up/Mark-down (MU): Used for profit margin calculations.
• 클리어 엔트리(CE): Clears the last entered number or operation without affecting previous calculations.
• Clear All (CA): Clears all entries and calculations, resetting the calculator.
• 메모리 플러스(M+): 표시된 값을 메모리에 추가합니다.
• 메모리 마이너스(M-): 표시된 값을 메모리에서 뺍니다.
• Recall Memory (RM): Displays the value currently stored in memory.
• Clear Memory (CM): 메모리를 지웁니다.

4.3 디스플레이

The 12-digit LCD display shows numbers clearly. If the result of a calculation exceeds 12 digits, an error indicator may appear, or the number may be displayed in scientific notation if supported.

5. 유지관리

5.1 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. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the casing와 디스플레이.

5.2 보관

Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Prolonged exposure to heat or cold can affect battery life and electronic components. When not in use for extended periods, ensure it is stored in a manner that prevents accidental key presses.

6. 문제 해결

• 디스플레이가 비어 있거나 어둡습니다.
  • 태양광 발전을 위해 계산기를 밝은 곳에 두십시오.
  • Check if the battery needs replacement. Refer to Section 3.2.
• 잘못된 계산:
  • 를 누르세요 CA (Clear All) button to reset the calculator.
  • Verify that you are entering numbers and operations correctly.
• 키가 응답하지 않습니다.
  • Clean the keys and surrounding areas to remove any debris.
  • If the issue persists, the calculator may require professional servicing.

7. 사양

8. 제품 이미지

9. 보증 및 지원

For warranty information, please refer to the documentation included with your purchase or contact your retailer. For technical support or service inquiries, please visit the official Sharp web사이트를 방문하거나 고객 서비스 부서에 문의하세요. 보증 청구에 대비해 구매 증빙 자료로 구매 영수증을 보관하세요.