Manuale utente della calcolatrice Casio MJ-100D Plus Check

1. Introduzione e oltreview

This manual provides detailed instructions for the proper use and maintenance of your Casio MJ-100D Plus Check Calculator. Designed for efficiency, this calculator features a 300-step check function, tax calculation capabilities, and an extra-large display for enhanced readability. Please read this manual thoroughly to ensure optimal performance and longevity of your device.

Figura 1: Fronte view of the Casio MJ-100D Plus Check Calculator, showing the display and key layout.

2. Impostazione

2.1 Installazione della batteria

The Casio MJ-100D Plus calculator operates on battery power. To install or replace the battery:

1. Assicurarsi che la calcolatrice sia spenta.
2. Individuare il coperchio del vano batterie sul retro della calcolatrice.
3. Use a small screwdriver to remove the screw securing the cover, then slide the cover off.
4. Insert one Lithium Ion battery (CR2032 recommended) with the correct polarity (+/-) as indicated inside the compartment.
5. Riposizionare il coperchio del vano batteria e fissarlo con la vite.

2.2 Accensione iniziale

Dopo l'installazione della batteria, premere il tasto AC (All Clear) button to turn on the calculator and clear any previous entries. The display should show '0'.

3. Istruzioni per l'uso

3.1 Operazioni aritmetiche di base

Perform standard calculations:

• Aggiunta (+): Inserisci il primo numero, premi +, inserisci il secondo numero, quindi premi =.
• Sottrazione (-): Inserisci il primo numero, premi -, inserisci il secondo numero, quindi premi =.
• Moltiplicazione (×): Inserisci il primo numero, premi ×, inserisci il secondo numero, quindi premi =.
• Divisione (÷): Inserisci il primo numero, premi ÷, inserisci il secondo numero, quindi premi =.

3.2 Clear Functions

• C (Clear Entry): Clears the last entered number or the current calculation entry without affecting previous operations or memory.
• AC (All Clear): Clears all entries, calculations, and memory, resetting the calculator to its initial state.

3.3 300-Step Check and Recheck with Sound Assist

Questa funzione ti consente di riview up to 300 steps of your calculations. Sound assist provides audible confirmation for each step.

• CHECK BACK: Premi questo pulsante per riview previous calculation steps one by one.
• CHECK FORWARD: Press this button to move forward through reviewed steps.
• RICONTROLLARE: Initiates a full review of all recorded steps.
• AUTO REVIEW: Automatically scrolls through the calculation steps.

3.4 Tax Calculation

The calculator supports quick tax calculations. First, set the tax rate:

1. Premere TARIFFA IMPOSTATA.
2. Enter the tax rate percentage (e.g., 8 for 8%).
3. Premere TARIFFA IMPOSTATA di nuovo per salvare.

To perform tax calculations:

• IMPOSTE+: Adds the set tax amount to the displayed value.
• IMPOSTA-: Subtracts the set tax amount from the displayed value.

3.5 Funzioni di memoria

Memorizzare e richiamare i valori utilizzando i tasti di memoria:

• M+: Aggiunge il valore visualizzato alla memoria.
• M-: Sottrae il valore visualizzato dalla memoria.
• MRC: Premere una volta per richiamare il valore memorizzato. Premere due volte per cancellare la memoria.

3.6 Altre funzioni

• % (Percenttage): Calcola la percentualetages. E.g., 50 × 10 % = 5.
• √ (Square Root): Calcola la radice quadrata del numero visualizzato.
• MU (Mark-up): Used for profit margin calculations.
• GT (Grand Total): Accumulates the results of multiple calculations. Press to display the grand total.
• CORRETTO: Corrects the last digit entered.
• DISP: Adjusts the display settings, such as decimal places or rounding.
• ▶ (Shift Key): Moves the cursor to the right, useful for correcting entries.
• Localized Number Display: The calculator automatically adjusts number formatting based on regional standards.
• Indicatori di virgola a 3 cifre: Numbers are displayed with commas separating every three digits for improved readability.
• Rollover chiave: Allows for fast input by ensuring that key presses are registered even if the previous key has not been fully released.

Figura 2: primo piano view of the calculator keys, highlighting the function labels for clarity.

4. Manutenzione

4.1 Pulizia

Per pulire la calcolatrice, strofinare delicatamente la superficie con un panno morbido e asciutto. Per lo sporco ostinato, strofinare leggermenteampen the cloth with water and a mild detergent, then wipe dry immediately. Avoid using abrasive cleaners, solvents, or spraying liquids directly onto the calculator.

4.2 Sostituzione della batteria

When the display becomes dim or calculations are erratic, it is time to replace the battery. Refer to Section 2.1 for battery installation instructions. Always dispose of used batteries according to local regulations.

4.3 Conservazione

Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, it is advisable to remove the battery to prevent leakage.

5. Risoluzione Dei Problemi

• Il display è vuoto o poco luminoso: Check battery installation. Replace with a new battery if necessary. Ensure the calculator is turned on by pressing AC.
• Calcoli errati: Premere AC to clear all previous operations and memory. Re-enter the calculation carefully. Ensure the correct mode (e.g., tax rate) is set if applicable.
• I tasti non rispondono: Clean the keys and surrounding areas. If the issue persists, the battery might be low.
• La calcolatrice si blocca: Remove the battery for a few minutes, then reinsert it to perform a hard reset.

6. Specifiche

• Numero modello: MJ-100DPLUS
• Marca: Casio
• Tipo di calcolatrice: Funzione standard
• Tipo di visualizzazione: LCD
• Dimensioni dello schermo: 5 pollici
• Numero di cifre: 10
• Fonte di energia: Alimentato a batteria (è necessaria 1 batteria agli ioni di litio)
• Materiale: Plastica
• Colore: Nero
• Dimensioni (circa): 15 cm (6.1 inches) in length (refer to Figure 3 for visual scale)
• Caratteristiche: 300 Steps Check, Recheck with Sound Assist, Tax Calculation, Localized Number Display, Extra Large Display, 3-Digit Comma Markers, UV-coated Durable Keys, Key Rollover, Shift Key (▶), Mark-up (MU), Grand Total (GT), Independent Memory.

Figure 3: Size comparison of the Casio MJ-100D Plus Check Calculator, indicating its approximate dimensions.

7. Garanzia e supporto

For warranty information and customer support, please refer to the warranty card included with your product or visit the official Casio websito. Conservare la ricevuta d'acquisto come prova d'acquisto per eventuali reclami in garanzia.