1. Введение
Thank you for choosing the Deli WM01120 12-Digit Dual Power Basic Calculator. This manual provides essential information for the proper setup, operation, and maintenance of your calculator. Please read it thoroughly to ensure optimal performance and longevity of your device.
2. Продукт закончилсяview
The Deli WM01120 is a versatile 12-digit basic calculator designed for both office and home use. It features a large LCD display, dual power options (solar and battery), and advanced functions like Grand Total (GT) and a 120-step check and correct feature.

Изображение 2.1: Спереди view of the Deli WM01120 calculator, showcasing its 12-digit display and key layout.

Изображение 2.2: Подробно view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Настройка
3.1 Источник питания
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Солнечная энергия: The calculator utilizes solar energy for power when sufficient light is available.
- Мощность аккумулятора: For low-light conditions or when solar power is insufficient, the calculator automatically switches to battery power. It requires two LR44 batteries (included).

Image 3.1: Illustration of the calculator's dual power options, highlighting the solar panel and battery compartment.
3.2 Установка/замена аккумулятора
Для установки или замены батарей:
- Убедитесь, что калькулятор выключен.
- Найдите отсек для батареек на задней панели калькулятора.
- Откройте крышку батарейного отсека.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Плотно закройте крышку батарейного отсека.
4. Инструкция по эксплуатации
4.1 Основные операции
- ON/C·CE: Press to turn on the calculator or clear the current entry. Press twice to clear all entries and memory.
- АС: All Clear. Clears all entries and memory.
- Number Keys (0-9, .): Input numerical values.
- Арифметические операторы (+, -, ×, ÷): Perform addition, subtraction, multiplication, and division.
- =: Displays the result of a calculation.
- %: Проценtage key.
4.2 Grand Total (GT) Function
The GT (Grand Total) key accumulates the results of all previous calculations. After performing several calculations, pressing GT will display the sum of all those results.

Image 4.1: A hand pressing the GT key on the calculator, demonstrating its use for summing multiple calculation results.
4.3 120-Step Check and Correct Function
Эта функция позволяет повторноview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- ПРОВЕРЯТЬ: Press to enter check mode and review previous entries. Repeated presses cycle through entries.
- CORRECT (00→0): While in check mode, use this key to correct an incorrect entry.
- AUTO REPLAY: Automatically replays the entire calculation sequence.

Image 4.2: The calculator display showing the 'CHECK' function in action, allowing users to review past entries.
4.4 Функции памяти
- М+: Добавляет отображаемое значение в память.
- М-: Вычитает отображаемое значение из памяти.
- МРЦ: Recalls the memory content. Pressing it twice clears the memory.

Image 4.3: Close-up of the calculator's memory function keys: MRC, M-, and M+.
4.5 Tax Functions
- ЗАДАВАТЬ: Used to set the tax rate.
- TAX+: Adds tax to the displayed value.
- TAX-: Subtracts tax from the displayed value.

Image 4.4: Close-up of the calculator's tax function keys: SET, TAX-, and TAX+.
4.6 Decimal Point and Rounding Selectors
On the top right side of the calculator, there are slide switches to control the decimal point and rounding settings:
- Decimal Point Selector (F, 5/4, 0, 2, 3, 4): Controls the number of decimal places displayed. 'F' is for floating decimal.
- Rounding Selector (Cut, Up, 5/4): Determines how results are rounded. 'Cut' truncates, 'Up' rounds up, '5/4' rounds to the nearest value.

Image 4.5: Close-up of the slide switches for decimal point control and rounding settings.
4.7 Автоотключение
The calculator features an auto power-off function to conserve energy. If left idle for a certain period, it will automatically turn off. Press the ON/C·CE key to turn it back on.

Изображение 4.6: вид сбоку view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Рабочее видео
Video 4.1: This video demonstrates the basic operation and key features of the Deli WM01120 calculator, including inputting numbers and performing calculations.
5. Техническое обслуживание
- Уборка: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials.
- Хранилище: Храните калькулятор в прохладном, сухом месте, вдали от прямых солнечных лучей и экстремальных температур.
- Уход батареи: Если калькулятор не будет использоваться в течение длительного времени, извлеките батарейки, чтобы предотвратить утечку.
6. Поиск Неисправностей
| Проблема | Возможная причина | Решение |
|---|---|---|
| Дисплей пустой или тусклый. | Недостаток света для работы солнечных батарей; низкий заряд батареи. | Move to a brighter area; replace batteries. |
| Неверные результаты расчетов. | Incorrect entry; incorrect decimal/rounding settings. | Use the Check and Correct function to review entries; verify decimal and rounding switch positions. |
| Клавиши не реагируют. | Калькулятор завис; физическое препятствие. | Press AC to reset; check for debris under keys. |
7. Технические характеристики
| Особенность | Деталь |
|---|---|
| Бренд | гастроном |
| Номер модели | WM01120 (also referred to as EM01120 in some specifications) |
| Цвет | Черный |
| Тип калькулятора | Стандартная функция |
| Источник питания | Battery Powered (2 x LR44 included), Solar Power |
| Размер экрана | 20 Centimetres (diagonal) |
| Тип дисплея | ЖК-дисплей |
| Материал корпуса | Пластик |
| Размеры товара (Д x Ш) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Вес товара | 140 грамм |
| Количество цифр | 12 |
8. Гарантия и поддержка
The Deli WM01120 calculator comes with a Гарантия 3 год from the date of purchase, covering manufacturing defects. For warranty claims or technical support, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty validation.