Casio DH-12ET Desktop Calculator User Manual

Uvod

This manual provides detailed instructions for the proper use and maintenance of your Casio DH-12ET Desktop Calculator. Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.

Slika 1: Ispred view of the Casio DH-12ET Desktop Calculator, showing the display and key layout.

Značajke proizvoda

The Casio DH-12ET is a versatile 12-digit desktop calculator designed for various business and personal calculations. Key features include:

• 12-znamenkasti LCD zaslon: Clear display with calculation command indicators and thousands separators.
• Obračun poreza: Dedicated functions for easy and quick calculation of tax additions or subtractions.
• Pretvorba valuta: Ability to convert amounts between two currencies after setting an exchange rate.
• Professional Percentage Izračun: Determine percentage increase and decrease with separate display of calculated values.
• Mark Up Function: Quickly determine margins and markups.
• Funkcija kvadratnog korijena: Calculate square roots.
• Promjena predznaka (+/-): Easily switch between positive and negative values.
• Total Sum Memory (GT): Automatically stores the sum of all calculation results.
• 3-Key Memory: Independent memory functions (M+, M-, MRC) for storing and recalling values.
• Solar/Battery Operated: Dual power source for reliable operation.
• Automatsko isključivanje: Conserves battery life by shutting down after 6 minutes of inactivity.
• Memory Protection Battery: Retains stored data (e.g., currency rates, tax rates) during power loss or battery change.
• Gumene noge: Provides stability on surfaces.

Postavljanje

Napajanje

The Casio DH-12ET calculator operates on a dual power system: solar power and a single LR44 button cell battery. The solar panel provides power in well-lit environments, while the battery acts as a backup in low light conditions or when the solar power is insufficient. The battery also serves as a memory protection battery.

Ugradnja/zamjena baterije

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. Provjerite je li kalkulator uključen ISKLJUČENO.
2. Pronađite odjeljak za baterije na stražnjoj strani kalkulatora.
3. Pomoću malog odvijača uklonite vijak koji pričvršćuje poklopac odjeljka za baterije.
4. Carefully remove the old LR44 battery.
5. Umetnite novu LR44 bateriju s pozitivnom (+) stranom okrenutom prema gore.
6. Vratite poklopac odjeljka za baterije i pričvrstite ga vijkom.

Bilješka: Dispose of used batteries according to local regulations. Do not expose batteries to excessive heat or fire.

Upute za rad

Osnovni proračuni

• Dodatak: Unesite prvi broj, pritisnite +, unesite drugi broj, pritisnite =.
• Oduzimanje: Unesite prvi broj, pritisnite -, unesite drugi broj, pritisnite =.
• Množenje: Unesite prvi broj, pritisnite x, unesite drugi broj, pritisnite =.
• Podjela: Unesite prvi broj, pritisnite ÷, unesite drugi broj, pritisnite =.
• Obriši unos: Pritisnite C to clear the last entered number.
• Sve čisto: Pritisnite AC to clear all entries and reset the calculator.

Obračun poreza

The calculator allows for easy addition or subtraction of a pre-set tax rate.

1. Određivanje porezne stope:
   • Pritisnite AC i držite % key until "SET" appears on the display.
   • Pritisnite POREZNA STOPA (which is the POREZ+ ključ).
   • Enter the desired tax rate (e.g., 8 for 8%).
   • Pritisnite % to confirm and save the tax rate.
2. Dodavanje poreza: Enter the amount, then press POREZ+. The display will show the amount with tax added.
3. Oduzimanje poreza: Enter the amount with tax, then press POREZ-. The display will show the original amount before tax.

Slika 2: Steps for changing the tax rate on the Casio DH-12ET calculator.

Pretvorba valuta

The calculator supports conversion between a local currency and a foreign currency (e.g., Euro).

1. Setting the Exchange Rate:
   • Pritisnite AC i držite % key until "SET" appears.
   • Pritisnite STOPA (which is the Euro ključ).
   • Enter the exchange rate (e.g., 1.25 if 1 Local unit = 1.25 Euro).
   • Pritisnite % to confirm and save the rate.
2. Converting Local to Foreign: Enter the local amount, then press Euro.
3. Converting Foreign to Local: Enter the foreign amount, then press Lokalno.

Percentage Izračuni

• Calculate Percentage of a Number: Enter number, press x, enter percentagvrijednost e, pritisnite %. (e.g., 100 x 15 % = 15)
• Add Percentage: Enter number, press +, enter percentagvrijednost e, pritisnite %. (e.g., 100 + 15 % = 115)
• Subtract Percentage: Enter number, press -, enter percentagvrijednost e, pritisnite %. (e.g., 100 - 15 % = 85)

Memorijske funkcije

• M+: Dodaje prikazanu vrijednost u memoriju.
• M-: Oduzima prikazanu vrijednost iz memorije.
• MRC:
  • Pritisnite jednom za pozivanje vrijednosti pohranjene u memoriji.
  • Press twice to clear the memory (M indicator disappears).
• GT (ukupni zbroj):
  • Automatically accumulates results of calculations (e.g., after pressing = or %).
  • Pritisnite GT za prikaz ukupnog iznosa.
  • Pritisnite AC to clear the grand total memory.

Ostale funkcije

• √ (kvadratni korijen): Unesite broj, a zatim pritisnite √ to calculate its square root.
• +/- (promjena predznaka): Mijenja predznak prikazanog broja iz pozitivnog u negativni ili obrnuto.
• Decimal Selector (F CUT 5/4, 4 3 2 1 0 ADD2):

  This slider switch controls the decimal point and rounding settings:

  • F (Plutajući): Decimal point floats, displaying all digits.
  • IZREZATI: Truncates results to the specified number of decimal places.
  • 5/4: Rounds results to the specified number of decimal places (standard rounding).
  • 4, 3, 2, 1, 0: Specifies the number of decimal places (e.g., '2' for two decimal places).
  • ADD2: Automatski dodaje dva decimalna mjesta za izračune valuta.

Održavanje

Čišćenje

To clean the calculator, wipe it gently with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and a mild detergent, then wipe dry immediately. Do not use strong solvents, abrasive cleaners, or spray cleaners directly onto the calculator.

Skladištenje

Kalkulator čuvajte na hladnom i suhom mjestu, dalje od izravne sunčeve svjetlosti, ekstremnih temperatura i visoke vlažnosti. U slučaju duljeg skladištenja preporučuje se uklanjanje baterije kako biste spriječili curenje.

Rješavanje problema

• Zaslon je taman ili prazan:
  • Ensure the calculator is in a well-lit area for solar power.
  • Check the battery. Replace the LR44 battery if it is depleted.
• Netočni rezultati izračuna:
  • Pritisnite AC to clear all previous calculations and memory.
  • Verify the decimal selector switch setting.
  • Check if any memory functions (M, GT) are active and interfering.
• Tipke ne reagiraju:
  • Ensure the calculator is powered on.
  • Očistite oko tipki kako biste uklonili sve ostatke.
  • If the issue persists, try replacing the battery.

Tehnički podaci

Slika 3: Strana view of the Casio DH-12ET calculator with approximate dimensions.

Jamstvo i podrška

For information regarding warranty coverage, service, or technical support for your Casio DH-12ET Desktop Calculator, please refer to the warranty card included with your product or visit the official Casio webweb-mjesto za vašu regiju. Kontaktni podaci za korisničku podršku obično su dostupni na web-mjestu proizvođača webmjesto.

Casio službenik Webstranica: www.casio.com