1. Úvod
Thank you for choosing the Deli WM01120 12-Digit Dual Power Basic Calculator. This manual provides essential information for the proper setup, operation, and maintenance of your calculator. Please read it thoroughly to ensure optimal performance and longevity of your device.
2. Konec produktuview
The Deli WM01120 is a versatile 12-digit basic calculator designed for both office and home use. It features a large LCD display, dual power options (solar and battery), and advanced functions like Grand Total (GT) and a 120-step check and correct feature.
Obrázek 2.1: Přední strana view of the Deli WM01120 calculator, showcasing its 12-digit display and key layout.
Obrázek 2.2: Detailní view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Nastavení
3.1 Zdroj napájení
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Solární energie: The calculator utilizes solar energy for power when sufficient light is available.
- Napájení baterie: For low-light conditions or when solar power is insufficient, the calculator automatically switches to battery power. It requires two LR44 batteries (included).
Image 3.1: Illustration of the calculator's dual power options, highlighting the solar panel and battery compartment.
3.2 Instalace/výměna baterie
Instalace nebo výměna baterií:
- Ujistěte se, že je kalkulačka vypnutá.
- Vyhledejte přihrádku na baterie na zadní straně kalkulačky.
- Otevřete kryt baterie.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Pevně zavřete kryt baterie.
4. Návod k obsluze
4.1 Základní operace
- ON/C·CE: Press to turn on the calculator or clear the current entry. Press twice to clear all entries and memory.
- AC: All Clear. Clears all entries and memory.
- Number Keys (0-9, .): Input numerical values.
- Arithmetic Operators (+, -, ×, ÷): Perform addition, subtraction, multiplication, and division.
- =: Displays the result of a calculation.
- %: Procenttage key.
4.2 Grand Total (GT) Function
The GT (Grand Total) key accumulates the results of all previous calculations. After performing several calculations, pressing GT will display the sum of all those results.
Image 4.1: A hand pressing the GT key on the calculator, demonstrating its use for summing multiple calculation results.
4.3 120-Step Check and Correct Function
Tato funkce umožňuje znovuview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- ŠEK: Press to enter check mode and review previous entries. Repeated presses cycle through entries.
- CORRECT (00→0): While in check mode, use this key to correct an incorrect entry.
- AUTO REPLAY: Automatically replays the entire calculation sequence.
Image 4.2: The calculator display showing the 'CHECK' function in action, allowing users to review past entries.
4.4 Funkce paměti
- M+: Přičte zobrazenou hodnotu do paměti.
- M-: Odečte zobrazenou hodnotu z paměti.
- MRC: Recalls the memory content. Pressing it twice clears the memory.
Image 4.3: Close-up of the calculator's memory function keys: MRC, M-, and M+.
4.5 Tax Functions
- SOUBOR: Used to set the tax rate.
- TAX+: Adds tax to the displayed value.
- TAX-: Subtracts tax from the displayed value.
Image 4.4: Close-up of the calculator's tax function keys: SET, TAX-, and TAX+.
4.6 Decimal Point and Rounding Selectors
On the top right side of the calculator, there are slide switches to control the decimal point and rounding settings:
- Decimal Point Selector (F, 5/4, 0, 2, 3, 4): Controls the number of decimal places displayed. 'F' is for floating decimal.
- Rounding Selector (Cut, Up, 5/4): Determines how results are rounded. 'Cut' truncates, 'Up' rounds up, '5/4' rounds to the nearest value.
Image 4.5: Close-up of the slide switches for decimal point control and rounding settings.
4.7 Automatické vypnutí
The calculator features an auto power-off function to conserve energy. If left idle for a certain period, it will automatically turn off. Press the ON/C·CE key to turn it back on.
Obrázek 4.6: Boční strana view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Provozní video
Video 4.1: This video demonstrates the basic operation and key features of the Deli WM01120 calculator, including inputting numbers and performing calculations.
5. Údržba
- Čištění: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials.
- Skladování: Kalkulačku skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Péče o baterie: Nebudete-li kalkulačku delší dobu používat, vyjměte baterie, abyste zabránili jejich vytečení.
6. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Displej je prázdný nebo tmavý. | Insufficient light for solar power; low battery. | Move to a brighter area; replace batteries. |
| Nesprávné výsledky výpočtu. | Incorrect entry; incorrect decimal/rounding settings. | Use the Check and Correct function to review entries; verify decimal and rounding switch positions. |
| Klávesy nereagují. | Calculator frozen; physical obstruction. | Press AC to reset; check for debris under keys. |
7. Specifikace
| Funkce | Detail |
|---|---|
| Značka | lahůdky |
| Číslo modelu | WM01120 (also referred to as EM01120 in some specifications) |
| Barva | Černý |
| Typ kalkulačky | Standardní funkce |
| Zdroj napájení | Battery Powered (2 x LR44 included), Solar Power |
| Velikost obrazovky | 20 Centimetres (diagonal) |
| Typ zobrazení | LCD |
| Materiál pouzdra | Plast |
| Rozměry položky (D x Š) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Hmotnost položky | 140 gramů |
| Počet číslic | 12 |
8. Záruka a podpora
The Deli WM01120 calculator comes with a 3-letá záruka from the date of purchase, covering manufacturing defects. For warranty claims or technical support, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty validation.