Uporabniški priročnik za 12-mestni kalkulator Sharp EL339HB s kovinskim zgornjim delom in polnamiznim ohišjem

1. Uvod

The Sharp EL339HB is a semi-desk executive calculator designed for efficient and precise calculations. It features an extra-large, 12-digit liquid crystal display (LCD) with punctuation for enhanced readability. Built with a durable metal case and a low-noise keyboard, this calculator is ideal for professional environments. Its dual power source (solar with battery backup) ensures reliable operation.

Key functions include a four-key memory system (memory plus, memory minus, recall memory, and clear memory), grand total key, cost/sell/margin calculations, percent key, sign change key, and an answer check feature. The integrated kickstand provides flexible viewing angles for user comfort.

Slika 1: Spredaj view of the Sharp EL339HB Semi-Desk Executive Calculator, showing the 12-digit display and key layout.

2. Nastavitev in napajanje

The Sharp EL339HB calculator operates on a dual power system: solar power and battery backup. This ensures continuous operation even in varying light conditions.

2.1 Začetna uporaba

Upon first use, ensure the calculator is exposed to sufficient light for the solar panel to activate. If the display does not immediately appear, press the ON/C·CE key. The calculator is ready for use when "0." appears on the display.

2.2 Samodejni izklop

To conserve power, the calculator features an automatic power-off function. It will turn off after approximately 7 minutes of inactivity. To reactivate, simply press the ON/C·CE ključ.

2.3 Kickstand Adjustment

Za optimalno viewing, the calculator is equipped with a kickstand on its rear. Gently pull out the kickstand to prop the calculator at an angle. Push it back in when not needed for flat storage.

Slika 2: Zadaj view of the calculator showing the adjustable kickstand for ergonomic viewing.

3. Navodila za uporabo

This section details the various functions and operations of the Sharp EL339HB calculator.

3.1 Osnovne aritmetične operacije

Vnesite številke s številsko tipkovnico. Uporabite + (addition), - (subtraction), x (multiplication), and ÷ (division) keys for calculations. Press = za prikaz rezultata.

• ON/C·CE: Turns the calculator on. When on, acts as Clear Entry (clears the last entered number) with a single press, and Clear All (clears all calculations and memory) with a double press.
• CA: Clear All. Clears all entries and memory.

3.2 Funkcije pomnilnika

The calculator includes a four-key memory system:

• M+: Prikazano vrednost doda v pomnilnik.
• M-: Odšteje prikazano vrednost od pomnilnika.
• RM: Prikliče vrednost, shranjeno v pomnilniku, na zaslon.
• CM: Izbriše pomnilnik.

3.3 Posebne funkcije

• GT: Grand Total. Accumulates the results of all calculations. Pressing GT displays the accumulated total.
• COST/SELL/MGN: These keys are used for cost, selling price, and margin calculations. Refer to the detailed user manual for specific sequences.
• %: Percent key. Used for percentage izračuni.
• +/-: Sign Change key. Changes the sign of the displayed number (positive to negative, or negative to positive).
• ANSWER CHECK: Allows you to verify previous calculations.

3.4 Decimal Point Settings

The calculator offers various decimal point settings, typically controlled by a slider switch:

• F: Plavajoča decimalna vejica.
• 3, 2, 1, 0: Fixed decimal places (3, 2, 1, or 0 digits after the decimal point).
• A: Add mode (automatically adds decimal point for currency calculations).

Additionally, there is a "5/4" switch which controls rounding up or down for fixed decimal settings.

4. Vzdrževanje

4.1 Čiščenje

To maintain the calculator's appearance and functionality, wipe the surface with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the calculator in water.

4.2 Zamenjava baterije

The calculator includes a battery backup. If the display becomes dim or unresponsive in adequate light, the battery may need replacement. The battery compartment is located on the back of the unit. Refer to the full user manual for detailed instructions on how to safely replace the battery. Use only the specified battery type.

5. Odpravljanje težav

6. Specifikacije

• Znamka: Ostra
• Model: SHREL339HB
• barva: siva
• Vrsta kalkulatorja: Finančna
• Zaslon: 12-Digit Liquid Crystal Display (LCD)
• vir energije: Solar Powered with Battery Backup (1 Product Specific battery included)
• Dimenzije izdelka: 10.2 x 6.3 x 1 palcev
• Teža artikla: 3.52 unč
• Lastnosti: Four-key memory, Grand Total, Cost/Sell/Margin, Percent, Sign Change, Answer Check, Low-noise keyboard, Metal case, Kickstand.

7. Garancija in podpora

For detailed warranty information, please refer to the documentation included with your product or visit the official Sharp webZa tehnično podporo ali servisna vprašanja se obrnite na službo za stranke Sharp.

Uradni uporabniški priročnik v PDF formatu je na voljo za prenos: Prenesi uporabniški priročnik (PDF).