Manual do usuario da calculadora de escritorio TI-5018 de Texas Instruments

Introdución

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.

Descrición da imaxe: Unha fronte 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.

Configuración

Fonte de enerxía

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.

Instalación/substitución de baterías

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. Localiza o compartimento das pilas na parte traseira da calculadora.
3. Usando un pequeno destornillador, abra a tapa do compartimento da batería.
4. Retire a pila LR44 vella e insira unha nova, asegurándose de manter a polaridade correcta (+/-).
5. Coloque a tapa do compartimento da batería e fíxaa.

Nota: Elimina as baterías usadas segundo a normativa local.

Instrucións de funcionamento

Operacións básicas

• ENCENDIDO: The calculator powers on automatically when exposed to light or by pressing any key if already in a low-power state.
• APAGADO: Preme o DESACTIVADO button to turn off the calculator and conserve battery life.
• Borrar entrada (CE): Preme CE to clear the last entered number without affecting previous calculations or memory.
• Clear All (C/AC): Preme C/AC once to clear the current entry. Press it twice to clear all calculations and reset the calculator.
• Number Entry: Use the number keys 0-9 e 00 to input values.
• Punto decimal: Preme . for decimal calculations.
• Operacións aritméticas: Use + (addition), - (subtraction), x (multiplication), and / (division).
• Igual: Preme = to display the result of a calculation.
• Retroceso: Usa o ← key to delete the last digit entered.

Funcións de memoria

• Memoria Plus (M+): Engade o valor mostrado á memoria.
• Memoria Menos (M-): Resta da memoria o valor mostrado.
• Recordación da memoria (RM): Displays the current value stored in memory.
• Borrar a memoria (MC): Borra o valor almacenado na memoria.

Funcións avanzadas

• Gran Total (GT): Accumulates the results of all calculations performed using the = chave. Preme GT to display the grand total.
• Markup (MU): Úsase para calcular os prezos de venda en función do custo e da marxe de beneficio desexada.

Mantemento

Limpeza

Para limpar a calculadora, use un pano suave e seco. Para a sucidade persistente, dóreo lixeiramenteampEnxágüe o pano con auga e un deterxente suave e logo séqueo inmediatamente. Non empregue produtos de limpeza abrasivos nin solventes, nin pulverice directamente sobre a calculadora.

Almacenamento

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.

Resolución de problemas

• A pantalla está escura ou en 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.
• A calculadora non responde:
  • Preme o C/AC button twice to clear all operations.
  • Check the battery. If the issue persists, try replacing the battery.
• Resultados de cálculo incorrectos:
  • Ensure numbers and operations are entered correctly.
  • Clear all previous calculations by pressing C/AC dúas veces.

Especificacións

Garantía e Soporte

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Texas Instruments websitio. Garde o recibo da compra como xustificante da mesma.