Casio MJ-100D Plus Check Calculator User Manual

1. Introduktion og overview

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.

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

2. Opsætning

2.1 Batteriinstallation

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

1. Sørg for, at lommeregneren er slukket.
2. Find batteridækslet på bagsiden af ​​lommeregneren.
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. Sæt batterirummets dæksel på igen og fastgør det med skruen.

2.2 Indledende tænding

Efter isætning af batterier skal du trykke på AC (All Clear) button to turn on the calculator and clear any previous entries. The display should show '0'.

3. Betjeningsvejledning

3.1 Grundlæggende aritmetiske operationer

Perform standard calculations:

• Addition (+): Indtast det første tal, tryk på +, indtast det andet tal, og tryk derefter på =.
• Subtraction (-): Indtast det første tal, tryk på -, indtast det andet tal, og tryk derefter på =.
• Multiplication (×): Indtast det første tal, tryk på ×, indtast det andet tal, og tryk derefter på =.
• Division (÷): Indtast det første tal, tryk på ÷, indtast det andet tal, og tryk derefter på =.

3.2 Ryd funktioner

• C (Clear Entry): Sletter det sidst indtastede tal eller den aktuelle beregningsindtastning uden at påvirke tidligere operationer eller hukommelse.
• 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

Denne funktion giver dig mulighed for at genview up to 300 steps of your calculations. Sound assist provides audible confirmation for each step.

• CHECK BACK: Tryk på denne knap for at gentageview previous calculation steps one by one.
• CHECK FORWARD: Press this button to move forward through reviewed steps.
• KONTROLLER GEN: 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. Trykke TASTE SÆT.
2. Enter the tax rate percentage (e.g., 8 for 8%).
3. Trykke TASTE SÆT igen for at gemme.

To perform tax calculations:

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

3.5 Hukommelsesfunktioner

Store and recall values using the memory keys:

• M+: Tilføjer den viste værdi til hukommelsen.
• M-: Trækker den viste værdi fra hukommelsen.
• MRC: Tryk én gang for at genkalde hukommelsesværdien. Tryk to gange for at slette hukommelsen.

3.6 Andre funktioner

• % (Procenttage): Beregner procenttages. E.g., 50 × 10 % = 5.
• √ (Square Root): Beregner kvadratroden af ​​det viste tal.
• MU (Mark-up): Used for profit margin calculations.
• GT (Grand Total): Accumulates the results of multiple calculations. Press to display the grand total.
• KORREKT: Corrects the last digit entered.
• Nytte: 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.
• 3-cifrede kommamarkører: Numbers are displayed with commas separating every three digits for improved readability.
• Key Rollover: Allows for fast input by ensuring that key presses are registered even if the previous key has not been fully released.

Figur 2: Nærbillede view of the calculator keys, highlighting the function labels for clarity.

4. Vedligeholdelse

4.1 Rengøring

To clean your calculator, gently wipe the surface with a soft, dry cloth. For stubborn dirt, slightly dampen 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 Udskiftning af batteri

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 Opbevaring

Opbevar lommeregneren et køligt og tørt sted væk fra direkte sollys, ekstreme temperaturer og høj luftfugtighed. Hvis den opbevares i en længere periode, anbefales det at fjerne batteriet for at forhindre lækage.

5. Fejlfinding

• Skærmen er tom eller svag: Check battery installation. Replace with a new battery if necessary. Ensure the calculator is turned on by pressing AC.
• Forkerte beregninger: Trykke 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.
• Tasterne reagerer ikke: Clean the keys and surrounding areas. If the issue persists, the battery might be low.
• Calculator freezes: Remove the battery for a few minutes, then reinsert it to perform a hard reset.

6. Specifikationer

• Modelnummer: MJ-100DPLUS
• Mærke: Casio
• Lommeregner Type: Standardfunktion
• Skærmtype: LCD
• Skærmstørrelse: 5 tommer
• Antal cifre: 10
• Strømkilde: Batteridrevet (1 lithium-ion-batteri påkrævet)
• Materiale: Plast
• Farve: Sort
• Dimensioner (ca.): 15 cm (6.1 inches) in length (refer to Figure 3 for visual scale)
• Funktioner: 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. Garanti og support

For garantioplysninger og kundesupport henvises til garantikortet, der følger med dit produkt, eller besøg den officielle Casio-side. webwebsted. Gem din købskvittering som købsbevis i tilfælde af garantikrav.