OSALO Desktop Calculator OS-8812T User Manual

1. Uvod

Thank you for choosing the OSALO Desktop Calculator OS-8812T. This 12-digit desktop calculator is designed for both home and office use, offering a large display, comfortable keys, and essential functions including a tax calculation feature. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

2. Ključne značilnosti

• Tax Rate Calculator Function: Simplifies tax calculations with integrated tax rate adjustments (TAX+, TAX-).
• Velik 12-mestni LCD zaslon: High-resolution display for clear and easy readability, tilted at 15 degrees for improved viewudobje.
• Ergonomic Concave Round Buttons: Designed for comfortable and accurate input, adapting to your fingertips.
• Sensitive Keys: Ensures quick and precise typing.
• Dvojni vir napajanja: Operates on solar energy and a single LR44 battery (included), providing reliable power and energy efficiency.
• Protizdrsna zasnova: Features anti-slip mats for stability during use.

3. Izdelek je končanview in Dimenzije

Familiarize yourself with the calculator's layout and physical specifications.

Slika: Spredaj in ob strani view of the OSALO Desktop Calculator OS-8812T, illustrating its dimensions (189mm length, 140mm width, 31mm height, 15-degree display tilt).

Slika: Podrobna view of the OSALO Desktop Calculator OS-8812T with key functions labeled, including Operation Symbol Display, Grand Total (GT), Memory Plus/Minus (M+, M-), Back Space, All Clear (AC), Tax Rate Settings (TAX+, TAX-), Memory Load/Clear (MRC), and Root (√).

4. Nastavitev

4.1 vir energije

The OSALO OS-8812T calculator operates using a dual power system: solar energy and a single LR44 battery. The calculator will automatically switch to battery power in low light conditions.

Namestitev/zamenjava baterije:

1. Prepričajte se, da je kalkulator izklopljen.
2. Poiščite predal za baterije na zadnji strani kalkulatorja.
3. Za odpiranje pokrova baterije uporabite majhen izvijač.
4. Insert one LR44 battery, ensuring the correct polarity (+/-).
5. Namestite pokrov baterije in ga pritrdite.

Image: The underside of the OSALO Desktop Calculator, highlighting the battery compartment and the anti-slip mats at each corner.

4.2 Začetna uporaba

Pritisnite AC (All Clear) button to clear any previous calculations and ensure the display shows '0'. The calculator is now ready for use.

5. Navodila za uporabo

5.1 Osnovne aritmetične operacije

Perform addition, subtraction, multiplication, and division using the respective keys (+, -, ×, ÷) and the equals (=) key.

5.2 Tax Calculation Function

The calculator features dedicated keys for tax calculations (TAX+, TAX-). This function simplifies adding or subtracting a predefined tax rate.

Določitev davčne stopnje:

1. Pritisnite AC da počistite zaslon.
2. Pritisnite RATE gumb.
3. Enter the desired tax rate (e.g., 8 for 8%).
4. Pritisnite RATE again to save the tax rate. The display will show the set rate.

Using Tax Functions:

• DDV+: To add tax to an amount, enter the amount, then press DAVEK+. The display will show the amount including tax.
• DAVEK-: To subtract tax from an amount, enter the amount, then press TAX-. The display will show the amount excluding tax.
• ODPOKLIC: To check the currently set tax rate, press ODPOKLIC.

Image: A table demonstrating the purpose, operation, and result for various tax functions, including setting an 8% tax rate, calculating total amount after tax, and total amount before tax.

5.3 Funkcije pomnilnika

• M+: Prikazano vrednost doda v pomnilnik.
• M-: Odšteje prikazano vrednost od pomnilnika.
• MRC: Recalls the memory content. Pressing it twice clears the memory.
• GT (skupni seštevek): Accumulates the results of all calculations. Pressing it twice clears the grand total.

5.4 Druge funkcije

• %: procentovtage key.
• √: Square root key.
• Back Space (►): Deletes the last entered digit.
• C/CE: Clear Entry. Clears the last entry without clearing the entire calculation.

5.5 Ergonomska zasnova

Slika: Bližnji posnetek view of the calculator's concave round buttons, designed for comfortable and precise finger placement during operation.

Image: A diagram illustrating the 30-degree ergonomic tilt of the calculator, showing how it provides an optimal viewing angle for users at a desk.

5.6 Izobraževalni videoposnetki

6. Vzdrževanje

6.1 Čiščenje

Za čiščenje kalkulatorja površino nežno obrišite z mehko, suho krpo. Za trdovratno umazanijo rahlo obrišiteampen the cloth with water and mild soap, then wipe dry immediately. Avoid using abrasive cleaners, solvents, or spraying liquids directly onto the calculator.

6.2 Skrb za baterije

If the calculator will not be used for an extended period, it is recommended to remove the LR44 battery to prevent leakage and potential damage to the device.

6.3 Shranjevanje

Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. Keep it away from strong magnetic fields.

7. Odpravljanje težav

• Zaslon je prazen ali zatemnjen:
  • Ensure sufficient light for solar power.
  • Check if the LR44 battery is correctly installed and not depleted. Replace if necessary.
  • Pritisnite AC za ponastavitev.
• Napačni izračuni:
  • Pritisnite AC to clear all previous operations and memory.
  • Verify the input sequence and numbers.
  • Check if any memory functions (M+, M-, GT) are active and affecting the result.
• Tipke se ne odzivajo:
  • Ensure the calculator is powered on.
  • Očistite okolico tipk, da odstranite vse ostanke.
  • If the issue persists, try replacing the battery.

8. Specifikacije

9. Varnostne informacije

• Kalkulatorja ne poskušajte razstavljati ali spreminjati.
• Keep the calculator away from water and other liquids to prevent damage.
• Kalkulatorja ne izpostavljajte močnim udarcem ali padcem.
• Baterije hranite izven dosega otrok. Če pride do zaužitja, takoj poiščite zdravniško pomoč.

10. Garancija in podpora

For warranty information and customer support, please refer to the documentation provided with your purchase or contact OSALO customer service directly. Keep your proof of purchase for any warranty claims.