OSALO OS-20TV

OSALO OS-20TV Desktop Calculator Instruction Manual

Model: OS-20TV

1. Киришүү

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.

OSALO OS-20TV calculator on a wooden desk with a notebook and pencil

The OSALO OS-20TV calculator on a desk, ready for use.

Негизги өзгөчөлүктөрү:

  • Кесиптик функциялары: 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.
  • Ката оңдоо: Undo function for immediate correction of input errors.
  • Эргономикалык дизайн: High-speed response, zero-travel compact keys, and tactile navigation through concave/convex buttons for a smooth input experience, supporting blind touch.
  • Таза дисплей: 12-digit display with operation symbol icons for excellent visibility of complex calculations.
  • Кош кубаттуулук: Solar and battery dual power source ensures uninterrupted operation.
  • Туруктуу жана көчмө: Impact-resistant ABS resin construction, non-slip rubber feet, and an ultra-lightweight 150g design.
  • Энергияны үнөмдөө: Automatic power-off after 8 minutes of inactivity to extend battery life.

2. Продукт бүтүп калдыview

Familiarize yourself with the components of your OSALO OS-20TV calculator.

Diagram of OSALO OS-20TV calculator showing solar panel, large LCD display, rounding mode switch, tax function keys, memory keys, power on/all clear key, decimal point setting switch, grand total key, and double zero key.

Detailed diagram of the OSALO OS-20TV calculator's components and key functions.

Негизги компоненттер:

  • Күн панели: Provides power in well-lit environments.
  • Чоң LCD дисплей: 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.
  • TAX+ / TAX- Keys: 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.
  • Тайгаланбаган резина буттар: Колдонуу учурунда туруктуулук үчүн базада жайгашкан.
Close-up of the OSALO OS-20TV's 12-digit LCD display and solar panel, highlighting dual power capability.

The large 12-digit LCD display and solar panel, illustrating the dual power system.

3. Орнотуу

Кубат булагы: Күн жана батарея

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.

  • Күн энергиясы: In well-lit environments, the calculator will primarily use solar power. Ensure the solar panel is exposed to light for optimal performance.
  • Батарея кубаттуулугу: In low-light conditions or when solar power is insufficient, the calculator automatically switches to battery power. The battery is pre-installed.

Баштапкы күйгүзүү

Калькуляторду иштетүү үчүн басыңыз 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.

Автоматтык түрдө өчүрүү

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. Иштөө нускамалары

Негизги операциялар

  • Power On/All Clear (AC): Басыңыз AC to turn on the calculator and clear all previous calculations and memory (except the set tax rate).
  • Киргизүүнү тазалоо (C): Басыңыз C to clear the last entered number or calculation.
  • Сан киргизүү: Use the number keys (0-9) to input values. The 00 key allows for quick entry of two zeros.
  • Арифметикалык амалдар: Колдонуу +, -, ×, ÷ for addition, subtraction, multiplication, and division. Press = натыйжаны көрсөтүү үчүн.
  • Ондук чекит: колдонуу . key for decimal numbers.
  • Белгини өзгөртүү (+/-): Басыңыз +/- to change the sign of the displayed number.
  • Персенtage (%): колдонуу % key for percentage эсептөөлөр.
  • Input Correction (Arrow Key): басыңыз (arrow) key to delete the last digit entered.

Өркүндөтүлгөн функциялар

Диаграммада экс көрсөтүлгөнamples of tax calculation using TAX+ and TAX- keys on the OSALO OS-20TV calculator.

Examples of tax calculation using the dedicated TAX+ and TAX- keys.

  • Салыктарды эсептөө (САЛЫК+, САЛЫК-):
    1. Салык ставкасын белгилөө: Басыңыз AC. Enter the tax rate (e.g., 8 for 8%). Press БАА. The tax rate is now set.
    2. Салык кошуу: Enter the amount. Press САЛЫК+. The display shows the amount including tax.
    3. Салыкты алып салуу: Enter the amount including tax. Press САЛЫК-. The display shows the original amount before tax.
    4. Calculating Tax Amount: After adding or subtracting tax, press САЛЫК- again to display the tax amount.
  • Эстутум функциялары (M+, M-, MRC):
    1. M+ (Memory Plus): Көрсөтүлгөн маанини эс тутумга кошот.
    2. M- (эс тутум минус): Көрсөтүлгөн маанини эстутумдан чыгарат.
    3. MRC (эстутумду кайра чакыруу/тазалоо): 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 = ачкыч. Басыңыз 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.
    Close-up of the rounding and decimal place setting switches on the OSALO OS-20TV calculator.

    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 (Floating Decimal): Displays all digits without rounding.
          4, 2, 0: Sets the number of decimal places to 4, 2, or 0 respectively.
          ADD2 (Add Mode): Automatically adds two decimal places to all results, useful for currency calculations.

Ergonomic Keypad Design

The OSALO OS-20TV features an ergonomic keypad designed for comfort and speed, supporting blind touch operation.

Diagram illustrating the ergonomic key layout and tactile concave/convex buttons for fast input on the OSALO OS-20TV calculator.

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. Техникалык тейлөө

Proper care and maintenance will ensure the long-term performance of your calculator.

  • Тазалоо: 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.
  • Экстремалдуу шарттарды болтурбоо: Do not expose the calculator to direct sunlight for extended periods, high humidity, extreme temperatures, or strong vibrations.
  • Сактагыч: When not in use for a long time, store the calculator in a cool, dry place.
  • Батарея: 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. Кыйынчылыктарды

If you encounter any issues with your OSALO OS-20TV calculator, refer to the following common problems and solutions:

КөйгөйЧечим
Дисплей бош же күңүрт.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.
Туура эмес эсептөө натыйжалары.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.
Баскычтар жооп бербей жатат же жабышчаак болуп калат.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. Техникалык шарттар

Detailed technical specifications for the OSALO OS-20TV calculator.

Diagram showing the dimensions of the OSALO OS-20TV calculator: 4.13 inches (105mm) width, 6.65 inches (169mm) length, and 0.78 inches (20mm) thickness.

Dimensions of the OSALO OS-20TV calculator.

ӨзгөчөлүкДеталь
Модель номериOS-20TV
Дисплей түрүLCD
Сандардын саны12 Сан
Screen Size3.8 дюйм
Power SourceSolar Power & Battery
Батарея камтылганОоба
МатериалАкрилонитрил бутадиен стирол (ABS)
Өлчөмдөрү (L x W x Y)16.9 x 10.5 x 2.0 см (6.65 x 4.13 x 0.78 дюйм)
Салмагы170 г
ТүсOS-20TV (as per product variant)
ӨндүрүүчүOsalo Co.,Ltd

8. Кепилдик жана колдоо

Кепилдик маалымат

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.

Кардарларды колдоо

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.

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