1. Inleiding
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. Produk verbyview
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.
Beeld 2.1: Voorkant view of the Deli WM01120 calculator, showcasing its 12-digit display and key layout.
Beeld 2.2: Gedetailleerd view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Opstelling
3.1 Kragbron
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Sonkrag: The calculator utilizes solar energy for power when sufficient light is available.
- Batterykrag: 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 Battery installering/vervanging
Om batterye te installeer of te vervang:
- Maak seker dat die sakrekenaar afgeskakel is.
- Vind die batterykompartement aan die agterkant van die sakrekenaar.
- Maak die batterydeksel oop.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Maak die batterydeksel stewig toe.
4. Bedryfsinstruksies
4.1 Basiese bewerkings
- 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.
- %: 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
Hierdie funksie laat jou toe om te herview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- TJEK: 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 Geheuefunksies
- M+: Voeg die vertoonde waarde by die geheue.
- M-: Trek die vertoonde waarde van die geheue af.
- 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
- STEL: 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 Outomatiese afskakeling
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.
Beeld 4.6: Sykant view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Operasionele 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. Onderhoud
- Skoonmaak: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials.
- Berging: Bêre die sakrekenaar op 'n koel, droë plek weg van direkte sonlig en uiterste temperature.
- Batterysorg: As die sakrekenaar vir 'n lang tydperk nie gebruik sal word nie, verwyder die batterye om lekkasie te voorkom.
6. Probleemoplossing
| Probleem | Moontlike oorsaak | Oplossing |
|---|---|---|
| Die skerm is leeg of dof. | Insufficient light for solar power; low battery. | Move to a brighter area; replace batteries. |
| Verkeerde berekeningsresultate. | Incorrect entry; incorrect decimal/rounding settings. | Gebruik die Kontroleer en Korrigeer-funksie om dit te hersienview entries; verify decimal and rounding switch positions. |
| Sleutels reageer nie. | Calculator frozen; physical obstruction. | Press AC to reset; check for debris under keys. |
7. Spesifikasies
| Kenmerk | Detail |
|---|---|
| Handelsmerk | deli |
| Modelnommer | WM01120 (also referred to as EM01120 in some specifications) |
| Kleur | Swart |
| Sakrekenaar tipe | Standaardfunksie |
| Kragbron | Battery Powered (2 x LR44 included), Solar Power |
| Skerm grootte | 20 Centimetres (diagonal) |
| Tipe vertoon | LCD |
| Omhulselmateriaal | Plastiek |
| Itemafmetings (L x B) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Item gewig | 140 gram |
| Aantal syfers | 12 |
8. Waarborg en Ondersteuning
The Deli WM01120 calculator comes with a 3 jaar waarborg 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.