Вовед
The MAUL Eco 850 is an environmentally friendly desktop calculator designed for office, desk, and school use. This solar-powered device features a 12-digit LCD display and is constructed from 80% recycled plastic, earning it the "Blue Angel" eco-label. This manual provides instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your calculator.
Image: The MAUL Eco 850 Desktop Calculator, demonstrating its compact size and clear display.
Поставување
The MAUL Eco 850 calculator is solar-powered and does not require batteries. It is ready for use when exposed to sufficient light.
- Отпакување: Carefully remove the calculator from its environmentally friendly, plastic-free packaging.
- Вклучување: Place the calculator in an area with adequate ambient light (at least 50 lux). The display should activate automatically. If the display does not turn on, ensure it is exposed to brighter light.
Image: The MAUL Eco 850 calculator ready for use on a desk.
Упатства за работа
The MAUL Eco 850 features a 12-digit LCD display and a range of functions for various calculations.
Основни функции
- Собирање (+), одземање (-), множење (×), делење (÷): Enter the first number, press the desired operation key, enter the second number, then press the equals (=) key for the result.
- Персенtage (%): За да се пресмета процентtage, enter the base number, press the multiplication (×) key, enter the percentage value, then press the % key. For example, to calculate 10% of 200, enter 200 × 10 %.
- Квадратен корен (√): Enter the number, then press the √ key to calculate its square root.
- Промена на знак (+/-): Press this key to change the sign of the displayed number from positive to negative or vice versa.
- Двојна нула (00): Quickly enter two zeros.
Функции на меморија
- M+ (меморија плус): Ја додава прикажаната вредност во меморијата.
- М- (меморија минус): Ја одзема прикажаната вредност од меморијата.
- МР (Потсетување на меморијата): Ја повикува вредноста зачувана во меморијата на екранот.
- MC (чистење на меморијата): Ја прочистува меморијата.
Исчисти функции
- ВКЛУЧЕНО/AC (Сè е чисто): Clears all entries and memory, resetting the calculator.
- C (Чист влез): Clears the last entered number or the current calculation without affecting memory or previous operations.
Слика: Детална view of the calculator's display and key layout.
Одржување
To ensure the longevity and proper functioning of your MAUL Eco 850 calculator, follow these maintenance guidelines:
- Чистење: Use a soft, dry cloth to clean the calculator's surface and display. Avoid using liquid cleaners, abrasive materials, or solvents, as these can damage the plastic and electronic components.
- Извор на енергија: As the calculator is solar-powered, ensure it is regularly exposed to light to maintain its charge. Avoid storing it in dark places for extended periods.
- Складирање: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Ракување: The calculator features sturdy plastic buttons. Avoid dropping the device or subjecting it to strong impacts.
Слика: Страна view highlighting the calculator's ergonomic design.
Решавање проблеми
If you encounter issues with your MAUL Eco 850 calculator, refer to the following common problems and solutions:
| Проблем | Можна причина | Решение |
|---|---|---|
| Екранот е празен или затемнет. | Insufficient light for solar cells. | Move the calculator to a brighter area. Ensure the solar panel is not obstructed. |
| Неточни резултати од пресметката. | Input error or previous calculation residue. | Притиснете ВКЛУЧЕНО/АС to clear all entries and memory, then re-enter the calculation. Double-check your input. |
| Копчињата не реагираат. | Temporary software glitch or low power. | Ensure adequate light. If the problem persists, try pressing ВКЛУЧЕНО/АС. |
Спецификации
- Бренд: МАУЛ
- Модел: Eco 850 (Model Number: 7268890)
- Прикажи: 12-digit LCD, 1-line display
- Извор на енергија: Solar Powered (operates from 50 lux)
- Материјал: Housing made from 80% recycled plastic
- Функции: Basic arithmetic (+, -, ×, ÷), Percentage (%), Square Root (√), Memory (M+, M-, MR, MC), Sign Change (+/-), Double Zero (00), Clear Entry (C), All Clear (ON/AC).
- Димензии: 17.5 x 12.6 x 0.1 см (приближно 6.9 x 5.0 x 0.04 инчи)
- Тежина: 211 г (приближно 7.4 оз)
- Сертификација за животна средина: Blue Angel / UZ116
Image: The calculator proudly displaying the Blue Angel eco-label.
Гаранција и поддршка
The MAUL Eco 850 Desktop Calculator comes with a 5 година гаранција, reflecting MAUL's commitment to precision and reliability. For support or warranty claims, please refer to the contact information provided with your purchase or visit the official MAUL website. MAUL, a German family business with over 110 years of experience, ensures high-quality products and customer service.