1. Uvod
Thank you for choosing the OSALO OS-20TV Desktop Calculator. This manual provides detailed instructions for the proper setup, operation, and maintenance of your calculator. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.
The OSALO OS-20TV calculator on a desk, ready for use.
Ključne karakteristike:
- Profesionalne funkcije: Tax calculation mode, rounding adjustments (round up/cut off), and decimal place settings.
- Efficient Aggregation: Grand Total (GT) function and Memory Continuous Calculation (MRC) for streamlined transaction aggregation.
- Ispravak pogreške: Undo function for immediate correction of input errors.
- Ergonomski dizajn: High-speed response, zero-travel compact keys, and tactile navigation through concave/convex buttons for a smooth input experience, supporting blind touch.
- Čisti zaslon: 12-digit display with operation symbol icons for excellent visibility of complex calculations.
- Dvostruka snaga: Solar and battery dual power source ensures uninterrupted operation.
- Izdržljiv i prenosiv: Impact-resistant ABS resin construction, non-slip rubber feet, and an ultra-lightweight 150g design.
- Ušteda energije: Automatic power-off after 8 minutes of inactivity to extend battery life.
2. Proizvod je gotovview
Familiarize yourself with the components of your OSALO OS-20TV calculator.
Detailed diagram of the OSALO OS-20TV calculator's components and key functions.
Ključne komponente:
- Solarna ploča: Provides power in well-lit environments.
- Veliki LCD zaslon: 12-digit display for clear numerical output and operation symbols.
- Rounding Mode Switch (5/4): Adjusts rounding behavior.
- Decimal Place Setting Switch (F, 4, 2, 0, ADD2): Controls the number of decimal places.
- Tipke TAX+ / TAX-: For tax calculations.
- RATE Key: To set the tax rate.
- GT (Grand Total) Key: Accumulates results of multiple calculations.
- MRC (Memory Recall/Clear) Key: Recalls or clears memory content.
- M+ / M- Keys: Adds to or subtracts from memory.
- C (Clear) Key: Clears the last entry.
- AC (All Clear) Key: Clears all entries and memory (except tax rate).
- Arrow Key (Back/Undo): Corrects the last digit entered.
- Neklizajuće gumene nožice: Nalazi se na podnožju radi stabilnosti tijekom upotrebe.
The large 12-digit LCD display and solar panel, illustrating the dual power system.
3. Postavljanje
Izvor napajanja: Solarna energija i baterije
The OSALO OS-20TV calculator operates on a dual power system, utilizing both solar energy and a built-in battery. This ensures reliable operation in various lighting conditions.
- Solarna energija: In well-lit environments, the calculator will primarily use solar power. Ensure the solar panel is exposed to light for optimal performance.
- Snaga baterije: In low-light conditions or when solar power is insufficient, the calculator automatically switches to battery power. The battery is pre-installed.
Početno uključivanje
Za uključivanje kalkulatora pritisnite tipku AC (All Clear) key. The display will show '0'. If the display remains blank, ensure there is sufficient light for the solar panel or that the battery is functional.
Automatsko isključivanje
To conserve battery life, the calculator will automatically power off after approximately 8 minutes of inactivity. Press any key to turn it back on.
4. Upute za rad
Osnovne operacije
- Power On/All Clear (AC): Pritisnite AC to turn on the calculator and clear all previous calculations and memory (except the set tax rate).
- Čist unos (C): Pritisnite C to clear the last entered number or calculation.
- Unos broja: Use the number keys (0-9) to input values. The 00 key allows for quick entry of two zeros.
- Aritmetičke operacije: Koristiti +, -, ×, ÷ za zbrajanje, oduzimanje, množenje i dijeljenje. Pritisnite = za prikaz rezultata.
- Decimalna točka: Koristite . key for decimal numbers.
- Promjena predznaka (+/-): Pritisnite +/- za promjenu predznaka prikazanog broja.
- Percentage (%): Koristite % ključ za postotaktage izračuni.
- Input Correction (Arrow Key): Pritisnite tipku ← (arrow) key to delete the last digit entered.
Napredne funkcije
Examples of tax calculation using the dedicated TAX+ and TAX- keys.
- Izračun poreza (POREZ+, POREZ-):
- Određivanje porezne stope: Pritisnite AC. Enter the tax rate (e.g., 8 for 8%). Press STOPA. The tax rate is now set.
- Dodavanje poreza: Enter the amount. Press POREZ+. The display shows the amount including tax.
- Oduzimanje poreza: Enter the amount including tax. Press POREZ-. The display shows the original amount before tax.
- Calculating Tax Amount: After adding or subtracting tax, press POREZ- again to display the tax amount.
- Funkcije memorije (M+, M-, MRC):
- M+ (Memory Plus): Dodaje prikazanu vrijednost u memoriju.
- M- (Memorijski minus): Oduzima prikazanu vrijednost iz memorije.
- MRC (poziv memorije/brisanje): Press once to recall the memory content. Press twice to clear the memory content.
- Grand Total (GT) Function:
The GT key accumulates the results of all calculations performed using the = ključ. Pritisnite GT to display the grand total. Press AC to clear the grand total. - Rounding and Decimal Place Settings:
Use the slide switches located above the number keys to adjust rounding and decimal places.
Rounding (5/4) and Decimal Place (F, 4, 2, 0, ADD2) setting switches.
- Rounding Switch (5/4):
↑ (Round Up): Rounds up the last digit.
5/4 (Round Half Up): Rounds up if the fractional part is 0.5 or greater, otherwise rounds down. - Decimal Place Switch (F, 4, 2, 0, ADD2):
F (pomični decimalni broj): Displays all digits without rounding.
4, 2, 0: Sets the number of decimal places to 4, 2, or 0 respectively.
ADD2 (Način dodavanja): Automatski dodaje dva decimalna mjesta svim rezultatima, što je korisno za izračun valuta.
- Rounding Switch (5/4):
Ergonomic Keypad Design
The OSALO OS-20TV features an ergonomic keypad designed for comfort and speed, supporting blind touch operation.
The ergonomic key layout with tactile concave/convex buttons for efficient and fast input.
- Tactile Keys: Concave and convex button shapes provide tactile feedback, allowing for accurate key presses without looking.
- Zero-Travel Design: Compact keys with minimal travel distance enable high-speed response and rapid input.
- Optimized Layout: Number keys are centrally arranged to minimize finger movement, enhancing efficiency for professional users.
5. Održavanje
Proper care and maintenance will ensure the long-term performance of your calculator.
- Čišćenje: Use a soft, dry cloth to clean the calculator's surface and display. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using strong solvents or abrasive materials.
- Izbjegavajte ekstremne uvjete: Do not expose the calculator to direct sunlight for extended periods, high humidity, extreme temperatures, or strong vibrations.
- Skladištenje: When not in use for a long time, store the calculator in a cool, dry place.
- Baterija: The calculator uses a button cell battery (type not specified in product data, typically LR44 or CR2032). If the display becomes dim or unresponsive in low light, the battery may need replacement. Consult a professional or refer to the manufacturer's website for specific battery replacement instructions if needed.
6. Rješavanje problema
If you encounter any issues with your OSALO OS-20TV calculator, refer to the following common problems and solutions:
| Problem | Otopina |
|---|---|
| Zaslon je prazan ili taman. | Ensure the solar panel is exposed to sufficient light. If in low light, the battery may be low or depleted. Replace the battery if necessary. |
| Netočni rezultati izračuna. | Check the decimal place and rounding settings. Ensure the tax rate is correctly set if using tax functions. Press AC to clear all previous calculations and memory before starting a new calculation. |
| Tipke ne reagiraju ili su ljepljive. | Clean the keys and surrounding areas with a soft, dry cloth. Avoid spilling liquids on the keypad. |
| Calculator turns off too quickly. | The calculator has an auto-off feature after 8 minutes of inactivity to save power. This is normal operation. |
7. Specifikacije
Detailed technical specifications for the OSALO OS-20TV calculator.
Dimensions of the OSALO OS-20TV calculator.
| Značajka | Detalj |
|---|---|
| Broj modela | OS-20TV |
| Vrsta zaslona | LCD |
| Broj znamenki | 12 znamenke |
| Veličina zaslona | 3.8 inča |
| Izvor napajanja | Solar Power & Battery |
| Baterija uključena | Da |
| Materijal | Akrilonitril butadien stiren (ABS) |
| Dimenzije (D x Š x V) | 16.9 x 10.5 x 2.0 cm (6.65 x 4.13 x 0.78 inča) |
| Težina | 170 g |
| Boja | OS-20TV (as per product variant) |
| Proizvođač | Osalo Co.,Ltd |
8. Jamstvo i podrška
Informacije o jamstvu
This OSALO OS-20TV calculator is covered by a standard manufacturer's warranty against defects in materials and workmanship. The warranty period typically begins from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
Korisnička podrška
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact OSALO customer support through the retailer where you purchased the product or visit the official OSALO website for contact details. Please have your model number (OS-20TV) and purchase information ready when contacting support.