Manual do Usuário da Calculadora de Mesa Texas Instruments TI-5018

Introdução

This manual provides comprehensive instructions for the operation and maintenance of your Texas Instruments TI-5018 Desktop Calculator. Please read this manual thoroughly to ensure proper use and to maximize the lifespan of your device.

Descrição da imagem: uma frente view of the Texas Instruments TI-5018 Desktop Calculator. It features a black top panel with the Texas Instruments logo and a large, clear 12-digit LCD display. The main body of the calculator is silver-colored with dark gray rectangular buttons. Key labels visible include numbers 0-9, 00, decimal point, arithmetic operators (+, -, x, /), equals (=), CE (Clear Entry), C/AC (Clear All/All Clear), GT (Grand Total), MU (Markup), M+, M-, MR (Memory Recall), MC (Memory Clear), and an OFF button. A prominent blue '+' button is located at the bottom right.

Configurar

Fonte de energia

The TI-5018 calculator operates using a dual power system: solar power and a battery backup. For optimal performance, ensure the solar panel is exposed to sufficient light. The calculator also includes a pre-installed LR44 alkaline battery for use in low-light conditions or as a backup.

Instalação/Substituição da Bateria

The calculator comes with one LR44 battery pre-installed. If the display becomes dim or unresponsive in low light, the battery may need replacement.

1. Turn the calculator OFF.
2. Localize o compartimento da bateria na parte traseira da calculadora.
3. Utilizando uma pequena chave de fenda, abra a tampa do compartimento da bateria.
4. Remova a bateria LR44 antiga e insira uma nova, certificando-se da polaridade correta (+/-).
5. Recoloque a tampa do compartimento da bateria e fixe-a.

Observação: Descarte as baterias usadas de acordo com os regulamentos locais.

Instruções de operação

Operações básicas

• Ligar: The calculator powers on automatically when exposed to light or by pressing any key if already in a low-power state.
• Desligar: Pressione o DESLIGADO button to turn off the calculator and conserve battery life.
• Entrada Limpa (CE): Imprensa CE to clear the last entered number without affecting previous calculations or memory.
• Clear All (C/AC): Imprensa C/AC once to clear the current entry. Press it twice to clear all calculations and reset the calculator.
• Entrada de número: Use the number keys 0-9 e 00 to input values.
• Ponto decimal: Imprensa . for decimal calculations.
• Operaçoes aritimeticas: Usar + (addition), - (subtraction), x (multiplication), and / (division).
• É igual a: Imprensa = Exibir o resultado de um cálculo.
• Retrocesso: Use o ← key to delete the last digit entered.

Funções de memória

• Memória Plus (M+): Adiciona o valor exibido à memória.
• Memória Negativa (M-): Subtrai o valor exibido da memória.
• Memory Recall (MR): Displays the current value stored in memory.
• Memory Clear (MC): Limpa o valor armazenado na memória.

Funções avançadas

• Total Geral (GT): Acumula os resultados de todos os cálculos realizados usando o = chave. Pressione GT Exibir o total geral.
• Markup (MU): Used for calculating selling prices based on cost and desired profit margin.

Manutenção

Limpeza

Para limpar a calculadora, use um pano macio e seco. Para sujeira mais resistente, umedeça levemente.ampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use abrasive cleaners, solvents, or spray directly onto the calculator.

Armazenar

Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, ensure the calculator is turned off.

Solução de problemas

• A tela está escura ou em branco:
  • Ensure the solar panel is exposed to sufficient light.
  • The battery may be low or depleted. Replace the LR44 battery as described in the "Battery Installation/Replacement" section.
• Calculator is unresponsive:
  • Pressione o C/AC button twice to clear all operations.
  • Check the battery. If the issue persists, try replacing the battery.
• Resultados de cálculo incorretos:
  • Ensure numbers and operations are entered correctly.
  • Clear all previous calculations by pressing C/AC duas vezes.

Especificações

Garantia e Suporte

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Texas Instruments webGuarde o comprovante de compra como prova de aquisição.