1. Introducció
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. Producte acabatview
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.
Imatge 2.1: Frontal view of the Deli WM01120 calculator, showcasing its 12-digit display and key layout.
Imatge 2.2: Detallada view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Configuració
3.1 Font d'alimentació
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Energia solar: The calculator utilizes solar energy for power when sufficient light is available.
- Potència de la bateria: 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 Instal·lació/substitució de la bateria
Per instal·lar o substituir les piles:
- Assegureu-vos que la calculadora estigui apagada.
- Localitza el compartiment de la bateria a la part posterior de la calculadora.
- Obriu la tapa de la bateria.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Tanqueu la tapa de la bateria amb seguretat.
4. Instruccions de funcionament
4.1 Operacions bàsiques
- 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.
- Operadors aritmètics (+, -, ×, ÷): Perform addition, subtraction, multiplication, and division.
- =: Displays the result of a calculation.
- %: Percenttage 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
Aquesta funció us permet tornarview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- COMPROVAR: 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 Funcions de memòria
- M+: Afegeix el valor mostrat a la memòria.
- M-: Resta el valor mostrat de la memòria.
- 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
- SET: Used to set the tax rate.
- TAX+: Afegeix impostos al valor mostrat.
- TAX-: Resta l'impost del valor mostrat.
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 Apagat automàtic
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.
Imatge 4.6: Lateral view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Vídeo operacional
Video 4.1: This video demonstrates the basic operation and key features of the Deli WM01120 calculator, including inputting numbers and performing calculations.
5. Manteniment
- Neteja: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials.
- Emmagatzematge: Guardeu la calculadora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura de la bateria: Si la calculadora no s'utilitzarà durant un període prolongat, traieu les piles per evitar fuites.
6. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La pantalla està en blanc o tènue. | Insufficient light for solar power; low battery. | Move to a brighter area; replace batteries. |
| Resultats de càlcul incorrectes. | Incorrect entry; incorrect decimal/rounding settings. | Use the Check and Correct function to review entries; verify decimal and rounding switch positions. |
| Les tecles no responen. | Calculator frozen; physical obstruction. | Press AC to reset; check for debris under keys. |
7. Especificacions
| Característica | Detall |
|---|---|
| Marca | xarcuteria |
| Número de model | WM01120 (also referred to as EM01120 in some specifications) |
| Color | Negre |
| Tipus de calculadora | Funció estàndard |
| Font d'alimentació | Battery Powered (2 x LR44 included), Solar Power |
| Mida de la pantalla | 20 Centimetres (diagonal) |
| Tipus de visualització | LCD |
| Material de tancament | Plàstic |
| Dimensions de l'article (L x A) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Pes de l'article | 140 grams |
| Nombre de dígits | 12 |
8. Garantia i Suport
The Deli WM01120 calculator comes with a 3 any de garantia 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.