1. Įvadas
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. Produktas baigtasview
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.

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

2.2 pav.: Išsamus view of the calculator, pointing out the high-quality LCD display, integrated chip for performance, rubber keyboard design, and dual power capability.
3. Sąranka
3.1 Maitinimo šaltinis
The Deli WM01120 calculator operates on a dual power system: solar energy and battery power. This ensures reliable operation in various lighting conditions.
- Saulės energija: The calculator utilizes solar energy for power when sufficient light is available.
- Baterijos galia: 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 Akumuliatoriaus įdėjimas/keitimas
Norėdami įdėti arba pakeisti baterijas:
- Įsitikinkite, kad skaičiuotuvas yra išjungtas.
- Raskite baterijų skyrių skaičiuotuvo gale.
- Atidarykite akumuliatoriaus dangtelį.
- Insert two LR44 batteries, ensuring correct polarity (+/-).
- Saugiai uždarykite akumuliatoriaus dangtelį.
4. Naudojimo instrukcijos
4.1 Pagrindinės operacijos
- 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.
- Aritmetiniai operatoriai (+, -, ×, ÷): Atlikite sudėties, atimties, daugybos ir dalybos veiksmus.
- =: Displays the result of a calculation.
- %: Proctage raktas.
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
Ši funkcija leidžia atkurtiview and correct up to 120 previous calculation steps. This is useful for verifying long calculations and rectifying errors without re-entering the entire sequence.
- PATIKRINTI: 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 Atminties funkcijos
- M+: Prideda rodomą reikšmę į atmintį.
- M-: Atima rodomą reikšmę iš atminties.
- MRC: Atkuria atminties turinį. Paspaudus du kartus, atmintis išvaloma.

Image 4.3: Close-up of the calculator's memory function keys: MRC, M-, and M+.
4.5 Tax Functions
- NUSTATYTI: Used to set the tax rate.
- MOKESTIS+: Prideda mokestį prie rodomos vertės.
- MOKESTIS: Iš rodomos vertės atima mokestį.

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 Automatinis išjungimas
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.

4.6 paveikslėlis: Šonas view of the calculator, illustrating its compact design and the automatic power-off feature for energy saving.
4.8 Operacinis vaizdo įrašas
Video 4.1: This video demonstrates the basic operation and key features of the Deli WM01120 calculator, including inputting numbers and performing calculations.
5. Priežiūra
- Valymas: Use a soft, dry cloth to clean the calculator's surface. Do not use liquid cleaners or abrasive materials.
- Saugykla: Skaičiuoklę laikykite vėsioje, sausoje vietoje, toliau nuo tiesioginių saulės spindulių ir ekstremalių temperatūrų.
- Akumuliatoriaus priežiūra: Jei skaičiuotuvo nenaudosite ilgą laiką, išimkite baterijas, kad išvengtumėte nuotėkio.
6. Problemų sprendimas
| Problema | Galima priežastis | Sprendimas |
|---|---|---|
| Ekranas tuščias arba blankus. | Insufficient light for solar power; low battery. | Move to a brighter area; replace batteries. |
| Neteisingi skaičiavimo rezultatai. | Incorrect entry; incorrect decimal/rounding settings. | Use the Check and Correct function to review entries; verify decimal and rounding switch positions. |
| Klavišai nereaguoja. | Calculator frozen; physical obstruction. | Press AC to reset; check for debris under keys. |
7. Specifikacijos
| Funkcija | Detalė |
|---|---|
| Prekės ženklas | užkandinė |
| Modelio numeris | WM01120 (also referred to as EM01120 in some specifications) |
| Spalva | Juoda |
| Skaičiuoklės tipas | Standartinė funkcija |
| Maitinimo šaltinis | Battery Powered (2 x LR44 included), Solar Power |
| Ekrano dydis | 20 Centimetres (diagonal) |
| Ekrano tipas | LCD |
| Korpuso medžiaga | Plastikiniai |
| Prekės matmenys (I x P) | 30L x 140W Millimeters (approx. 139.1 x 130.7 x 30mm) |
| Prekės svoris | 140 gramų |
| Skaitmenų skaičius | 12 |
8. Garantija ir palaikymas
The Deli WM01120 calculator comes with a 3 metų garantija 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.