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

1. Uvod

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. Ključne značilnosti

• 12-mestni LCD zaslon: 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.
• Square Root Function: Dedicated button for quick square root calculations.
• Dvojni vir napajanja: Operates on both solar power and a lithium-ion battery, ensuring functionality even in low light conditions.

3. Nastavitev

3.1 Vklop

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 Namestitev/zamenjava baterije

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. Poiščite predal za baterije na zadnji strani enote.
3. Previdno odprite pokrov predala.
4. Remove the old battery and insert a new CR2032 lithium-ion battery, ensuring correct polarity (+/-).
5. Trdno zaprite pokrov prostora za baterije.

Note: Dispose of used batteries according to local regulations.

4. Navodila za uporabo

4.1 Osnovne aritmetične operacije

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

• Dodatek (+): Vnesite prvo številko, pritisnite +, vnesite drugo številko in pritisnite =.
• Odštevanje (-): Vnesite prvo številko, pritisnite -, vnesite drugo številko in pritisnite =.
• Množenje (×): Vnesite prvo številko, pritisnite ×, vnesite drugo številko in pritisnite =.
• Delitev (÷): Vnesite prvo številko, pritisnite ÷, vnesite drugo številko in pritisnite =.

4.2 Posebne funkcije

• Square Root (√): Enter a number, then press the √ key to calculate its square root.
• procentovtage (%): Uporablja se za odstotketage izračuni. Na primerample, to calculate 10% of 200: Enter 200, press ×, enter 10, press %.
• Skupni seštevek (GT): Accumulates the results of all calculations performed after the last GT clear. Press GT za prikaz skupnega zneska.
• Mark-up/Mark-down (MU): Used for profit margin calculations.
• Čisti vnos (CE): Clears the last entered number or operation without affecting previous calculations.
• Clear All (CA): Izbriše vse vnose in izračune ter ponastavi kalkulator.
• Spomin Plus (M+): Prikazano vrednost doda v pomnilnik.
• Minus spomina (M-): Odšteje prikazano vrednost od pomnilnika.
• Recall Memory (RM): Prikaže vrednost, ki je trenutno shranjena v pomnilniku.
• Clear Memory (CM): Izbriše pomnilnik.

4.3 Zaslon

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. Vzdrževanje

5.1 Čiščenje

Za čiščenje kalkulatorja uporabite mehko, suho krpo. Za trdovratno umazanijo rahlo obrišiteampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the casing in zaslon.

5.2 Shranjevanje

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. Odpravljanje težav

• Zaslon je prazen ali zatemnjen:
  • Ensure the calculator is in a well-lit area for solar power.
  • Check if the battery needs replacement. Refer to Section 3.2.
• Napačni izračuni:
  • Pritisnite CA (Clear All) button to reset the calculator.
  • Verify that you are entering numbers and operations correctly.
• Tipke se ne odzivajo:
  • Clean the keys and surrounding areas to remove any debris.
  • If the issue persists, the calculator may require professional servicing.

7. Specifikacije

8. Slike izdelkov

9. Garancija in podpora

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 webspletno mesto ali se obrnite na njihovo službo za pomoč strankam. Račun shranite kot dokazilo o nakupu za morebitne garancijske zahtevke.