1. Introduktion
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. Produktet er slutview
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.

Billede 2.1: Forside view of the Deli WM01120 calculator, showcasing its 12-digit display and key layout.

Billede 2.2: Detaljeret view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Opsætning
3.1 Strømkilde
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Solenergi: The calculator utilizes solar energy for power when sufficient light is available.
- Batteristrøm: 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 Batteriinstallation/udskiftning
Sådan installeres eller udskiftes batterier:
- Sørg for, at lommeregneren er slukket.
- Find batterirummet på bagsiden af lommeregneren.
- Åbn batteridækslet.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Luk batteridækslet forsvarligt.
4. Betjeningsvejledning
4.1 Grundlæggende betjening
- 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, .): Indtast numeriske værdier.
- Aritmetiske operatorer (+, -, ×, ÷): Udfør addition, subtraktion, multiplikation og 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
Denne funktion giver dig mulighed for at genview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- KONTROLLERE: 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 Hukommelsesfunktioner
- M+: Tilføjer den viste værdi til hukommelsen.
- M-: Trækker den viste værdi fra hukommelsen.
- 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
- SÆT: 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 Automatisk slukning
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.

Billede 4.6: Side view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Operationel 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. Vedligeholdelse
- Rensning: Brug en blød, tør klud til at rengøre lommeregnerens overflade. Brug ikke flydende rengøringsmidler eller slibende materialer.
- Opbevaring: Opbevar lommeregneren et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Batteripleje: Hvis lommeregneren ikke skal bruges i en længere periode, skal du fjerne batterierne for at forhindre lækage.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Skærmen er tom eller svag. | Insufficient light for solar power; low battery. | Move to a brighter area; replace batteries. |
| Forkerte beregningsresultater. | Incorrect entry; incorrect decimal/rounding settings. | Use the Check and Correct function to review entries; verify decimal and rounding switch positions. |
| Tasterne reagerer ikke. | Calculator frozen; physical obstruction. | Press AC to reset; check for debris under keys. |
7. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | delikatesseforretning |
| Modelnummer | WM01120 (also referred to as EM01120 in some specifications) |
| Farve | Sort |
| Lommeregner Type | Standardfunktion |
| Strømkilde | Battery Powered (2 x LR44 included), Solar Power |
| Skærmstørrelse | 20 Centimetres (diagonal) |
| Display Type | LCD |
| Indkapslingsmateriale | Plast |
| Emnedimensioner (L x B) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Varens vægt | 140 gram |
| Antal cifre | 12 |
8. Garanti og support
The Deli WM01120 calculator comes with a 3 års garanti 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.