1. Sissejuhatus
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.
Toode läbiview
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.
Põhifunktsioonid
- Paberivaba toimimine: 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.
- Täissuuruses klaviatuur: 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.
- Vahelduvvoolutoitega: Designed for continuous use with an included AC adapter.
2. Seadistamine
Kalkulaatori sisselülitamine
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.
Joonis 2.1: Esiosa view of the Sharp EL-1901 calculator, showing the main display and secondary scrolling display.
3. Kasutusjuhised
Põhitoimingud
To turn the calculator ON, press the SISSE/VÄLJA button. The main 12-digit display will illuminate. The secondary 5-line display will show previous entries or be blank if reset.
- Numbri sisestamine: Use the numeric keypad (0-9, 00, .) to enter values.
- Aritmeetilised tehted: Kasutage + (lisamine) - (lahutamine), x (korrutamine) ja ÷ (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.
- Tagasilükkeklahv: Kasutage ← key to delete the last digit entered.
- Change Sign: Kasutage +/- 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 ▲ (üles) ja ▼ (down) arrow keys to scroll through your entry history.
Joonis 3.1: Lähivõte view of the calculator's main 12-digit display and the secondary 5-line scrolling display.
Check and Correct Function
See funktsioon võimaldab teil uuestiview and edit past entries. While viewing the history on the secondary display:
- Kasutage ▲ ja ▼ to navigate to the entry you wish to correct.
- Vajutage nuppu ÕIGE key. Enter the new value.
- Vajutage LISA to add a new line before the selected entry, or KUSTUTA 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 KUSTUTA KÕIK võti.
Video 3.1: Official product video demonstrating the Sharp EL-1901 Paperless Printing Calculator, highlighting its check and correct function and dual displays.
Erifunktsioonid
- 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.
- Maksuvõtmed (MAKS+, MAKS-): Use these keys for quick tax calculations. Set the tax rate using the HINNAS SET nuppu.
- Üldsumma (GT): Accumulates the results of multiple calculations. Press GT kogusumma kuvamiseks.
- Memory Keys (M+, M-, M*, M/): Store and recall values from memory.
- M+: Lisab kuvatud väärtuse mällu.
- M-: Lahutab mälust kuvatud väärtuse.
- 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. Hooldus
Puhastamine
Kalkulaatori puhastamiseks kasutage pehmet ja kuiva lappi. Kangekaelse mustuse korral nühkige seda kergelt.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.
Patarei vahetus
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.
- Leidke kalkulaatori alumisel küljel patareipesa.
- Open the compartment cover (you may need a small screwdriver).
- Remove the old CR2032 battery and insert a new one, observing the correct polarity (+/-).
- Sulgege akupesa kaas kindlalt.
5. Veaotsing
If you encounter issues with your Sharp EL-1901 calculator, please refer to the following common problems and solutions:
| Probleem | Võimalik põhjus | Lahendus |
|---|---|---|
| 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. |
|
| Valed arvutustulemused. | Incorrect entry, incorrect function used, or rounding settings. |
|
6. Tehnilised andmed
- Mudel: EL-1901
- Kaubamärk: Terav
- Toote mõõtmed: 11.02 x 8.27 x 3.15 tolli
- Kauba kaal: 1.94 naela
- Toiteallikas: Vahelduvvoolu adapter
- Aku: 1 x CR2032 (for memory backup)
- Ekraani suurus: 4 Inches (primary display)
- Kuva tüüp: 12-Digit LCD Primary, 5-Line Scrolling LCD Secondary
- Värv: Valge
7. Garantii ja tugi
For warranty information, please refer to the documentation included with your purchase or visit the official Sharp Calculators webveebisait. Kui vajate tehnilist abi või teil on küsimusi, mida selles kasutusjuhendis ei käsitleta, võtke ühendust Sharpi klienditoega.
Official Sharp Calculators Websait: www.sharpcalculators.com
