Sharp EL-1901 Paperless Printing Desk Calculator User Manual

1. Sarrera

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.

Produktua amaituview

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.

Ezaugarri nagusiak

Paperik gabeko eragiketa: 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.
Tamaina osoko teklatua: 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.
Korronte elektrikoa: Designed for continuous use with an included AC adapter.

2. Konfigurazioa

Kalkulagailua piztu

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.

Sharp EL-1901 Paperless Printing Desk Calculator front view

2.1. irudia: Aurrealdea view of the Sharp EL-1901 calculator, showing the main display and secondary scrolling display.

3. Funtzionamendu-argibideak

Oinarrizko Eragiketak

To turn the calculator ON, press the ON/OFF 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.
Eragiketa aritmetikoak: Erabili + (addition), - (subtraction), x (multiplication), and ÷ (division) keys. Press = to calculate the result.
Clear Entry/Clear All: The C/CE key clears the last entry. Pressing it twice typically clears all entries and resets the calculation.
Atzealdea: Erabili ← key to delete the last digit entered.
Change Sign: Erabili +/- 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 ▲ (gora) eta ▼ (down) arrow keys to scroll through your entry history.

3.1. irudia: hurbileko planoa view of the calculator's main 12-digit display and the secondary 5-line scrolling display.

Check and Correct Function

Ezaugarri honek berriro egiteko aukera ematen dizuview and edit past entries. While viewing the history on the secondary display:

Erabili ▲ eta ▼ to navigate to the entry you wish to correct.
Sakatu ZUZENA key. Enter the new value.
Sakatu txertatu to add a new line before the selected entry, or EZABATU 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 EZABATU GUZTIAK giltza.

Video 3.1: Official product video demonstrating the Sharp EL-1901 Paperless Printing Calculator, highlighting its check and correct function and dual displays.

Funtzio bereziak

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 TASA EZARTUA botoia.
Guztira (GT): Accumulates the results of multiple calculations. Press GT to display the grand total.
Memory Keys (M+, M-, M*, M/): Store and recall values from memory.
- M+: Bistaratutako balioa memoriara gehitzen du.
- M-: Bistaratutako balioa memoriatik kentzen du.
- 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. Mantentzea

Garbiketa

To clean the calculator, use a soft, dry cloth. For stubborn dirt, slightly dampen 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.

Bateria ordezkatzea

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.
Locate the battery compartment on the underside of the calculator.
Open the compartment cover (you may need a small screwdriver).
Remove the old CR2032 battery and insert a new one, observing the correct polarity (+/-).
Itxi bateriaren konpartimenduaren estalkia ondo.

5. Arazoak

If you encounter issues with your Sharp EL-1901 calculator, please refer to the following common problems and solutions:

Arazoa	Kausa posiblea	Irtenbidea
Calculator does not turn on or respond to key presses.	No power, loose AC adapter connection, or internal malfunction.	Ensure the AC adapter is securely plugged into both the calculator and a working electrical outlet. Try plugging the AC adapter into a different outlet. Sakatu Berrezarri button (usually a small recessed button requiring a pointed object like a pen tip). Arazoak jarraitzen badu, jarri harremanetan bezeroarentzako laguntza-zerbitzuarekin.
Secondary display (scrolling history) is blank or not updating.	Display cleared, or a temporary software glitch.	Ensure you have performed calculations; the display will be blank if no entries have been made or if it was recently cleared. Sakatu ▲ or ▼ mugitzeko teklak. Perform a soft reset by pressing the Berrezarri botoia.
Kalkulu-emaitza okerrak.	Incorrect entry, incorrect function used, or rounding settings.	Use the Check and Correct function to review and modify entries. Verify rounding settings using the BOROBILA eta AB giltzak. Ensure correct order of operations for complex calculations.

6. Zehaztapenak

Eredua: EL-1901
Marka: Zorrotza
Produktuaren neurriak: 11.02 x 8.27 x 3.15 hazbete
Elementuaren pisua: 1.94 kilo
Energia iturria: AC egokigailua
Bateria: 1 x CR2032 (for memory backup)
Pantailaren tamaina: 4 Inches (primary display)
Bistaratzeko mota: 12-Digit LCD Primary, 5-Line Scrolling LCD Secondary
Kolorea: Zuria

7. Bermea eta Laguntza

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 Webgunea: www.sharpcalculators.com

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