Введение
This manual provides detailed instructions for the operation and maintenance of your Dexin-837b Large Display 12 Digits Solar and Battery Desktop Calculator. Please read this manual thoroughly before using the calculator to ensure proper function and longevity.
The Dexin-837b calculator features a hybrid power system, operating on both solar energy and battery power, ensuring reliable performance in various lighting conditions. It is designed for standard mathematical functions with a large 12-digit LCD display for easy readability.
Продукт болееview
Рисунок 1: Передний view of the Dexin-837b calculator, highlighting its large 12-digit display and overall pink design.
Рисунок 2: The calculator positioned on a desk, demonstrating its suitability for office or home use.
Рисунок 3: The calculator's design features a tilt angle for improved display visibility and comfortable reading.
Рисунок 4: Physical dimensions of the calculator, measuring approximately 15 cm in height and 12 cm in width.
Настраивать
Источник питания
The Dexin-837b calculator operates on a hybrid power system, utilizing both solar energy and a single AA battery. For optimal performance, ensure adequate lighting for solar power or install a fresh battery.
Рисунок 5: Dual power system, showing the solar energy panel and the compartment for one AA battery (not included).
- Установка аккумулятора: If using battery power, locate the battery compartment on the back of the calculator. Open the cover and insert one AA battery, ensuring correct polarity (+/-). Close the compartment cover securely.
- Солнечная энергия: For solar operation, place the calculator in a well-lit area. The solar panel is located above the display. The calculator will automatically switch to solar power when sufficient light is available.
Инструкция по эксплуатации
Основные операции
- Включение/выключение питания: Нажмите ВКЛ/переменный ток button to turn the calculator on or clear all entries.
- Очистить запись: Нажмите CE button to clear the last entered number.
- Очистить все: Нажмите ВКЛ/переменный ток button to clear all calculations and reset the calculator.
- Ввод числа: Use the number keys (0-9) and the decimal point (.) to enter values.
- Основная арифметика: Используйте + (добавление), - (вычитание), x (умножение), и ÷ (division) keys for calculations.
- Равно: Нажмите = клавиша для отображения результата вычисления.
- Проценtage: Используйте % ключ для процентовtagэлектронные расчеты.
- Функции памяти:
- M+: Adds the displayed value to memory.
- M-: Subtracts the displayed value from memory.
- МРК: Recalls the memory value. Pressing twice clears the memory.
- Общий итог (GT): Нажмите GT key to recall the grand total of all previous calculations.
- Mark Up (MU): Используйте MU key for mark-up calculations.
Рисунок 6: The calculator's keys are designed for fast and responsive input.
Обслуживание
- Уборка: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials, as they may damage the display or casing.
- Хранилище: Храните калькулятор в прохладном, сухом месте, вдали от прямых солнечных лучей и экстремальных температур.
- Замена батареи: If the display becomes dim or unresponsive when not in direct sunlight, replace the AA battery.
- Избегайте падения: Protect the calculator from impacts and drops, which can damage internal components or the display.
Поиск неисправностей
| Проблема | Возможная причина | Решение |
|---|---|---|
| Дисплей пустой или тусклый. | Недостаток света для работы солнечной энергии или низкий заряд батареи. | Move the calculator to a brighter area or replace the AA battery. |
| Калькулятор не реагирует на нажатия клавиш. | Calculator is off, or internal error. | Нажимать ВКЛ/переменный ток to turn on or reset. If problem persists, replace battery. |
| Неверные результаты расчетов. | Incorrect input or operation sequence. | Нажимать ВКЛ/переменный ток to clear and re-enter the calculation carefully. Review инструкция по эксплуатации. |
Технические характеристики
- Модель: 837б
- Бренд: ДЕКСИН
- Отображать: 12 Digits, LCD
- Источник питания: Hybrid (Solar Powered and 1x AA Battery)
- Цвет: Бледная роза
- Материал: Пластик
- Размеры (Д x Ш x В): Примерно 15 см x 12 см x 0.1 см
- Масса: 130 грамм
- Visible Screen Diameter: 10 см (4 дюйма)
- Тип калькулятора: Стандартная функция
Гарантия и поддержка
Specific warranty information is typically provided at the point of purchase or within separate documentation included with your product. Please refer to your purchase receipt or contact your retailer for details regarding warranty coverage.
For technical support or inquiries not covered in this manual, please contact the manufacturer, Dexin, or your authorized dealer. Keep your purchase receipt handy as proof of purchase may be required for support services.
Manufacturer: Dexin
Manufacturer Reference: Dx-837B