OSALO DJ-120D Desktop Calculator User Manual

1. Киришүү

Thank you for choosing the OSALO DJ-120D Desktop Calculator. This calculator is designed for efficiency and ease of use, featuring a large 12-digit display, comfortable big buttons, and dual power sources (solar and battery) for reliable performance. It is ideal for various settings including office, home, and school, and includes specialized functions like VAT tax calculation and automatic replay for enhanced productivity.

2. Продукт бүтүп калдыview

Сүрөт 2.1: Алдыңкы view of the OSALO DJ-120D Desktop Calculator.

2.1. Дисплей жана баскычтар

The OSALO DJ-120D features an extra-large 5.5-inch LCD display, ensuring numbers and results are clearly visible, which helps reduce eye strain during prolonged use. The large, concave-designed buttons provide a comfortable and precise pressing experience, minimizing input errors and improving overall efficiency.

Figure 2.2: Detail of large buttons and anti-slip rubber pads on the calculator's base.

2.2. Кубат булагы

This calculator operates on dual power sources: solar energy and a pre-installed LR44 battery. The solar panel ensures continuous operation in well-lit environments, while the battery provides power in low-light conditions, guaranteeing dependable performance.

Figure 2.3: The calculator's display area highlighting the solar panel and battery power indicators.

3. Орнотуу

3.1. Батареяны орнотуу

The OSALO DJ-120D comes with one LR44 battery pre-installed. Should you need to replace it, locate the battery compartment on the back of the calculator, open it, and insert a new LR44 battery, ensuring correct polarity. The dual power system allows for extended use without frequent battery changes.

4. Иштөө нускамалары

Familiarize yourself with the key functions of your OSALO DJ-120D calculator for optimal use.

Figure 4.1: Key functions and their locations on the calculator.

4.1. Негизги эсептөөлөр

Perform standard arithmetic operations (addition, subtraction, multiplication, division) using the respective keys. Input numbers and operators in sequence, then press the = key for the result.

4.2. VAT Tax Functions (TAX+/TAX-)

The exclusive TAX+/TAX- buttons allow for instant computation of VAT-compliant prices. This is critical for invoicing or retail pricing. Refer to the table below for detailed usage.

Figure 4.2: Guide to using the TAX functions for various calculations.

4.3. Automatic Replay and Correction

• AUTO REPLAY: Traces calculation paths, allowing you to review previous entries.
• ТУУРА: кайра мүмкүнчүлүк беретview and edit past entries instantly, ensuring 100% accuracy without restarting complex sums.

4.4. Memory Functions (M+, M-, MRC)

• M+: Көрсөтүлгөн маанини эс тутумга кошот.
• М-: Көрсөтүлгөн маанини эстутумдан чыгарат.
• MRC: Recalls the memory content. Pressing twice clears the memory.

4.5. Башка функциялар

• Rounding Mode: Adjusts how results are rounded.
• Decimal Places Settings: Көрсөтүлгөн ондук белгилердин санын башкарат.
• Step-by-Step Check: Allows for verification of each step in a calculation.

5. Кароо жана тейлөө

• Keep the calculator clean by wiping it with a soft, dry cloth.
• Абразивдүү тазалагычтарды же эриткичтерди колдонуудан алыс болуңуз.
• Do not expose the calculator to extreme temperatures, humidity, or direct sunlight for extended periods.
• The calculator is encased in tough plastic to resist daily wear, ensuring years of dependable performance.

6. Кыйынчылыктарды

6.1. Display is blank or dim

• Ensure adequate lighting for solar power.
• Батареяны алмаштыруу керекпи же жокпу текшериңиз.

6.2. Incorrect calculations

• колдонуу AC/ON button to clear all previous entries and start fresh.
• Verify input using the AUTO REPLAY function.
• Check decimal place settings and rounding mode.

6.3. Calculator shuts off unexpectedly

• The calculator has an automatic power-off feature to save battery life, typically after 8 minutes of inactivity. This is normal operation.

7. Техникалык шарттар

Figure 7.1: Physical dimensions of the calculator.

8. Колдонуу сценарийлери

The OSALO DJ-120D Desktop Calculator is a versatile tool suitable for a wide range of users and environments:

Figure 8.1: Diverse applications of the OSALO DJ-120D calculator.

• Офис: Ideal for accountants, sales professionals, and general office use.
• Үй: Perfect for managing household finances and personal budgeting.
• Мектеп: A reliable tool for students tackling math and financial courses.
• Чекене: Useful in supermarkets and other retail settings for quick calculations.
• Карылар: The large display and big buttons make it particularly user-friendly for seniors.

9. Кепилдик жана колдоо

OSALO stands behind the quality of its products. For any questions, technical support, or warranty claims, please refer to the contact information provided with your purchase or visit the official OSALO webсайт. Сураныч, кепилдик максаттары үчүн сатып алганыңыздын далилин сактап коюңуз.