Introdução
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.
Configurar
The MAUL Eco 850 calculator is solar-powered and does not require batteries. It is ready for use when exposed to sufficient light.
- Desembalagem: Carefully remove the calculator from its environmentally friendly, plastic-free packaging.
- Ligar: 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.
Instruções de operação
The MAUL Eco 850 features a 12-digit LCD display and a range of functions for various calculations.
Funções básicas
- Addition (+), Subtraction (-), Multiplication (×), Division (÷): Enter the first number, press the desired operation key, enter the second number, then press the equals (=) key for the result.
- Percentualtage (%): To calculate a percentage, 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 %.
- Raiz quadrada (√): Enter the number, then press the √ key to calculate its square root.
- Mudança de sinal (+/-): Press this key to change the sign of the displayed number from positive to negative or vice versa.
- Double Zero (00): Quickly enter two zeros.
Funções de memória
- M+ (Memória Plus): Adiciona o valor exibido à memória.
- M- (memória menos): Subtrai o valor exibido da memória.
- MR (recuperação de memória): Exibe na tela o valor armazenado na memória.
- MC (memória limpa): Clears the memory.
Clear Functions
- LIGADO/AC (Tudo Limpo): Apaga todas as entradas e a memória, reiniciando a calculadora.
- C (Limpar entrada): Clears the last entered number or the current calculation without affecting memory or previous operations.
Imagem: Detalhada view of the calculator's display and key layout.
Manutenção
To ensure the longevity and proper functioning of your MAUL Eco 850 calculator, follow these maintenance guidelines:
- Limpeza: 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.
- Fonte de energia: 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.
- Armazenar: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Manuseio: The calculator features sturdy plastic buttons. Avoid dropping the device or subjecting it to strong impacts.
Imagem: Lado view highlighting the calculator's ergonomic design.
Solução de problemas
If you encounter issues with your MAUL Eco 850 calculator, refer to the following common problems and solutions:
| Problema | Possível causa | Solução |
|---|---|---|
| A tela está em branco ou com brilho reduzido. | Insufficient light for solar cells. | Move the calculator to a brighter area. Ensure the solar panel is not obstructed. |
| Resultados de cálculo incorretos. | Input error or previous calculation residue. | Imprensa LIGADO/CA to clear all entries and memory, then re-enter the calculation. Double-check your input. |
| As teclas não respondem. | Temporary software glitch or low power. | Ensure adequate light. If the problem persists, try pressing LIGADO/CA. |
Especificações
- Marca: MALHO
- Modelo: Eco 850 (Model Number: 7268890)
- Mostrar: 12-digit LCD, 1-line display
- Fonte de energia: Solar Powered (operates from 50 lux)
- Material: Housing made from 80% recycled plastic
- Funções: Basic arithmetic (+, -, ×, ÷), Percentage (%), Square Root (√), Memory (M+, M-, MR, MC), Sign Change (+/-), Double Zero (00), Clear Entry (C), All Clear (ON/AC).
- Dimensões: 17.5 x 12.6 x 0.1 cm (aproximadamente 6.9 x 5.0 x 0.04 polegadas)
- Peso: 211 g (aproximadamente 7.4 oz)
- Certificação Ambiental: Blue Angel / UZ116
Image: The calculator proudly displaying the Blue Angel eco-label.
Garantia e Suporte
The MAUL Eco 850 Desktop Calculator comes with a Garantia de 5 ano, 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.
