TRU RED TR44780 12-Digit Desktop Printing Calculator User Manual

Zavedení

This user manual provides comprehensive instructions for the setup, operation, and maintenance of your TRU RED TR44780 12-Digit Desktop Printing Calculator. Please read this manual thoroughly before using the calculator to ensure proper functionality and to maximize its lifespan. Keep this manual for future reference.

Konec produktuview

The TRU RED TR44780 is a versatile 12-digit desktop printing calculator designed for efficient business calculations and record-keeping. It features a clear LCD display and a fast printing mechanism.

Klíčové vlastnosti:

• 12-digit LCD display for convenient viewIng.
• Prints up to two lines per second.
• Tax calculation, cost, sell, and margin functions.
• Time function for timestamps on receipts.
• Dual power source: AC adapter or four AA batteries (not included).
• Compact dimensions: 2.15"H x 5.85"W x 9.25"D.
• Includes one paper roll.

Obrázek 1: Přední strana view of the TRU RED TR44780 calculator, showing the 12-digit LCD display and key layout.

Figure 2: The calculator with a paper roll installed and extended, demonstrating the printing mechanism.

Obrázek 3: Úhlová view of the calculator, highlighting the paper roll holder and the overall design.

Nastavení

1. Powering the Calculator:

The TRU RED TR44780 can be powered by either an AC adapter or four AA batteries (not included).

• AC adaptér: Connect the provided AC adapter to the calculator's power input port and then plug it into a standard electrical outlet.
• Baterie: Open the battery compartment cover on the underside of the calculator. Insert four AA batteries, ensuring correct polarity (+/-). Close the battery compartment cover securely.

2. Installing the Paper Roll:

The calculator comes with one paper roll. Follow these steps to install it:

1. Lift the paper roll arm located at the top rear of the calculator.
2. Place the new paper roll onto the arm, ensuring the paper feeds from the bottom of the roll.
3. Feed the leading edge of the paper into the printer slot until it emerges from the front.
4. Gently push the paper roll arm back down to secure the roll.

Figure 4: Dimensions of the TRU RED TR44780 calculator, useful for placement and setup considerations.

Návod k obsluze

Základní operace:

• Zadání čísla: Use the number keys (0-9) and the decimal point (.).
• Addition (+), Subtraction (-), Multiplication (*), Division (/): Press the corresponding operator key after entering the numbers.
• Rovná se (=): Press the '=' key to display the result of a calculation.
• Clear Entry (CE/C): Press 'CE/C' once to clear the last entered number. Press twice to clear the entire calculation.

Speciální funkce:

• Tax Calculation (TAX+, TAX-): Use these keys to add or subtract a pre-set tax rate. The tax rate can usually be set via a dedicated 'TAX RATE' switch or button combination (refer to the calculator's specific markings).
• Cost (COST), Sell (SELL), Margin (MARGIN): These keys are used for profit margin calculations. Enter two of the three values (Cost, Sell, Margin), then press the key for the unknown value to calculate it.
• Čas (TIME): Activates the time function, allowing for timestamps on printed receipts.
• Procenttage (%): Používá se pro procentatage výpočty.
• Memory Functions (M+, M-, M=):
  • M+: Přičte zobrazenou hodnotu do paměti.
  • M-: Odečte zobrazenou hodnotu z paměti.
  • M=: Vyvolá hodnotu uloženou v paměti.
  • MC (vymazání paměti): Clears the memory (often combined with M= or a separate button).

Printing Control:

The calculator typically has a switch or button to control printing:

• Print ON/OFF: Toggles the printing function. When ON, all calculations are printed.
• Non-Print (NP): Allows calculations to be performed without printing.

Údržba

Čištění:

Pro zachování vzhledu a funkčnosti kalkulačky:

• Vnější povrch otřete měkkým suchým hadříkem.
• Pro odolnou špínu lehceamphadřík vodou a jemným čisticím prostředkem a poté ihned otřete dosucha.
• Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani nestříkejte přímo na kalkulačku.

Výměna role papíru:

Replace the paper roll when it runs out or when print quality deteriorates. Refer to the "Installing the Paper Roll" section under Setup for detailed instructions.

Výměna baterie:

If using battery power and the display dims or the calculator stops responding, replace the four AA batteries. Ensure correct polarity during installation.

Odstraňování problémů

If you encounter issues with your TRU RED TR44780 calculator, refer to the following common problems and solutions:

Specifikace

Záruka a podpora

Informace o záruce:

This TRU RED TR44780 12-Digit Desktop Printing Calculator is covered by a 1letá omezená záruka od data nákupu. Tato záruka se vztahuje na vady materiálu a zpracování při běžném používání. Nevztahuje se na škody způsobené nesprávným použitím, nehodou, neoprávněnou úpravou nebo vnějšími vlivy.

Figure 5: Product packaging indicating the 1-Year Limited Warranty.

Zákaznická podpora:

For technical assistance, warranty claims, or further inquiries, please contact the TRU RED customer support. Refer to the product packaging or the retailer's webstránky s nejaktuálnějšími kontaktními informacemi.

Please have your model number (TR44780 / ST44780-CC) and proof of purchase ready when contacting support.