Indledning
This manual provides detailed instructions for the proper use and maintenance of your CASIO JH-12VT 12-Digit Desktop Calculator. Please read this manual thoroughly to ensure optimal performance and longevity of your device. Keep this manual for future reference.
Produktegenskaber
- Extra-large display: For enhanced readability of numbers.
- Tax calculation function: Dedicated keys for easy tax calculations.
- Statusvisning: Indicators for current operation status.
- 12-digit capacity: Handles extensive numerical operations.
- Dobbelt strømkilde: Operates on both solar power and battery.

Billede: Forside view of the CASIO JH-12VT 12-Digit Desktop Calculator, showcasing its extra-large display, key layout, and dual power indicators.
Opsætning
Strømkilde
The CASIO JH-12VT calculator is equipped with a dual power system, utilizing both solar power and a battery. Under sufficient lighting, the calculator will operate using solar power. In low-light conditions or when solar power is insufficient, it automatically switches to battery power.
Battery Installation (if replacement is needed)
- Sørg for, at lommeregneren er slukket.
- Find batteridækslet på bagsiden af enheden.
- Using a small screwdriver, carefully remove the screw and slide off the cover.
- Insert a new LR44 button cell battery, ensuring the correct polarity (+/-) as indicated inside the compartment.
- Sæt dækslet på igen og fastgør det med skruen.
Første gang tændt
Tryk på AC (All Clear) button to turn on the calculator and clear any previous entries. The display should show '0'.
Betjeningsvejledning
Grundlæggende beregninger
- Tilføjelse (+): Indtast det første tal, tryk på +, enter the second number, press =.
- Subtraktion (-): Indtast det første tal, tryk på -, enter the second number, press =.
- Multiplikation (×): Indtast det første tal, tryk på ×, enter the second number, press =.
- Division (÷): Indtast det første tal, tryk på ÷, enter the second number, press =.
Hukommelsesfunktioner
- M+ (Memory Plus): Tilføjer den viste værdi til hukommelsen.
- M- (Hukommelse minus): Trækker den viste værdi fra hukommelsen.
- MRC (Memory Recall/Clear): Tryk én gang for at genkalde hukommelsesværdien. Tryk to gange for at slette hukommelsen.
Skatteberegning
The calculator features dedicated keys for tax calculations. The tax rate must be set prior to use.
- Indstilling af skattesatsen: Trykke SÆT (if available, or consult specific model instructions for tax rate setting), enter the tax rate percentage, og tryk derefter på SKAT+ or SKAT- at gemme.
- TAX+ (Add Tax): Enter the original amount, then press SKAT+ to display the amount including tax.
- TAX- (Subtract Tax): Enter the amount including tax, then press SKAT- to display the original amount before tax.
Grand Total (GT)
Tryk på GT key to display the grand total of all results accumulated since the last AC or GT clear operation.
Ryd funktioner
- AC (alt klart): Clears all entries, memory, and operations, resetting the calculator to its initial state.
- C (Ryd indtastning): Sletter det sidst indtastede tal eller den aktuelle beregningsindtastning uden at påvirke tidligere operationer eller hukommelse.
Opretholdelse
Rensning
To clean the calculator, wipe it with a soft, dry cloth. For stubborn dirt, lightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use strong solvents or abrasive cleaners, as they may damage the casing eller display.
Opbevaring
Opbevar lommeregneren et køligt og tørt sted væk fra direkte sollys og ekstreme temperaturer. Undgå at placere tunge genstande oven på lommeregneren for at forhindre beskadigelse af tasterne eller displayet.
Fejlfinding
| Problem | Løsning |
|---|---|
| Skærmen er tom eller svag. | Ensure sufficient lighting for solar power. If in low light, replace the battery. Press AC at nulstille. |
| Forkerte beregningsresultater. | Trykke AC to clear all previous operations. Re-enter the calculation carefully. Check if memory (M) or grand total (GT) indicators are active and clear them if necessary. |
| Tasterne reagerer ikke. | Clean around the keys to remove any debris. If the issue persists, try replacing the battery. |
Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | CASIO |
| Modelnummer | JH-12VT-N |
| Display Type | LCD |
| Antal cifre | 12 |
| Strømkilde | Battery Powered (Dual Power: Solar & Battery) |
| Farve | Lilla, Hvid |
| Lommeregner Type | Standard lommeregner |
| Pakkedimensioner | 25.2 x 14 x 3.5 cm |
| Varens vægt | 200 g |
| Først tilgængelig på Amazon.co.jp | 13. juni 2016 |
Garanti og support
For information regarding warranty coverage, service, or technical support for your CASIO JH-12VT calculator, please refer to the warranty card included with your purchase or visit the official CASIO website. Contact details for customer support are typically available on the product packaging or the manufacturer's webwebsted.





