Introducció
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.
Característiques del producte
- Extra-large display: For enhanced readability of numbers.
- Tax calculation function: Dedicated keys for easy tax calculations.
- Visualització de l'estat: Indicators for current operation status.
- 12-digit capacity: Handles extensive numerical operations.
- Font d'alimentació dual: Operates on both solar power and battery.

Imatge: Frontal view of the CASIO JH-12VT 12-Digit Desktop Calculator, showcasing its extra-large display, key layout, and dual power indicators.
Configuració
Font d'alimentació
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)
- Assegureu-vos que la calculadora estigui apagada.
- Localitzeu la tapa del compartiment de la bateria a la part posterior de la unitat.
- 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.
- Col·loqueu la coberta i fixeu-la amb el cargol.
Encès inicial
Premeu el botó AC (All Clear) button to turn on the calculator and clear any previous entries. The display should show '0'.
Instruccions de funcionament
Càlculs bàsics
- Addició (+): Introduïu el primer número, premeu +, introdueix el segon número, prem =.
- Resta (-): Introduïu el primer número, premeu -, introdueix el segon número, prem =.
- Multiplicació (×): Introduïu el primer número, premeu ×, introdueix el segon número, prem =.
- Divisió (÷): Introduïu el primer número, premeu ÷, introdueix el segon número, prem =.
Funcions de memòria
- M+ (Memòria Plus): Afegeix el valor mostrat a la memòria.
- M- (menys de memòria): Resta el valor mostrat de la memòria.
- MRC (Recuperació/Esborrat de memòria): Press once to recall the memory value. Press twice to clear the memory.
Càlcul d'impostos
The calculator features dedicated keys for tax calculations. The tax rate must be set prior to use.
- Establiment del tipus impositiu: Premeu SET (if available, or consult specific model instructions for tax rate setting), enter the tax rate percentage, després premeu IMPOST+ or impost- per salvar.
- TAX+ (Add Tax): Enter the original amount, then press IMPOST+ to display the amount including tax.
- TAX- (Subtract Tax): Enter the amount including tax, then press impost- to display the original amount before tax.
Gran Total (GT)
Premeu el botó GT key to display the grand total of all results accumulated since the last AC or GT clear operation.
Clear Functions
- AC (Tot clar): Clears all entries, memory, and operations, resetting the calculator to its initial state.
- C (Clear Entry): Clears the last entered number or the current calculation entry without affecting previous operations or memory.
Manteniment
Neteja
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 o pantalla.
Emmagatzematge
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the calculator to prevent damage to the keys or display.
Resolució de problemes
| Problema | Solució |
|---|---|
| La pantalla està en blanc o tènue. | Ensure sufficient lighting for solar power. If in low light, replace the battery. Press AC per reiniciar. |
| Resultats de càlcul incorrectes. | Premeu 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. |
| Les tecles no responen. | Clean around the keys to remove any debris. If the issue persists, try replacing the battery. |
Especificacions
| Característica | Detall |
|---|---|
| Marca | CASIO |
| Número de model | JH-12VT-N |
| Tipus de visualització | LCD |
| Nombre de dígits | 12 |
| Font d'alimentació | Battery Powered (Dual Power: Solar & Battery) |
| Color | Lila, Blanc |
| Tipus de calculadora | Calculadora estàndard |
| Dimensions del paquet | 25.2 x 14 x 3.5 cm |
| Pes de l'article | 200 g |
| Primer disponible a Amazon.co.jp | 13 de juny de 2016 |
Garantia i Suport
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 weblloc.





