Indledning
This manual provides comprehensive instructions for the MAUL M112 calculator. It covers setup, basic operations, advanced functions, maintenance, and troubleshooting to ensure optimal performance and longevity of your device. Please read this manual thoroughly before using the calculator.
Produkt overview

Billede 1: Front view of the MAUL M112 calculator, showcasing its 12-digit display and key layout. The calculator features a silver front panel and black keys with colored function buttons.
The MAUL M112 is a compact, 12-digit display calculator designed for office, home, and school use. It features both solar and battery power for reliable operation in various lighting conditions. Key functions include percentage and tax calculations, memory functions, and an automatic shutdown feature to conserve energy.

Billede 2: The MAUL M112 calculator held in a hand, illustrating its compact size (approximately 11.9 cm x 7.0 cm x 1.0 cm). This image highlights its portability and ergonomic design.
Opsætning
Strømkilde
The MAUL M112 calculator operates on a dual power system: solar and battery. This ensures continuous functionality even in low-light environments.
- Solenergi: The calculator primarily uses solar energy when sufficient light is available. Ensure the solar panel, located above the display, is exposed to light for optimal performance.
- Batteristrøm: For use in dark conditions or when solar power is insufficient, the calculator automatically switches to battery power. One LR1130 battery is included with the device.
Indledende brug
Upon first use, the calculator should be ready for operation. If the display does not activate, ensure it is exposed to light or check the battery compartment.

Billede 3: Bag view of the MAUL M112 calculator, displaying the battery compartment cover. This is where the LR1130 battery is housed and can be accessed for replacement.
Betjeningsvejledning
Grundlæggende operationer
- Power On/Clear: Trykke ON C·CE to turn on the calculator or clear the current entry.
- All Clear: Trykke AC to clear all calculations and memory.
- Indtastning af nummer: Use the number keys (0-9) and the decimal point (.) to enter values.
- Aritmetiske operationer: Bruge + (tilføjelse), - (subtraktion), x (multiplikation), og ÷ (division) for calculations.
- Lige til: Trykke = to display the result of a calculation.
- Double Zero: De 00 button allows for quick entry of two zeros.
- Delete Last Digit: Tryk på → (backspace) button to delete the last entered digit.
Hukommelsesfunktioner
The calculator includes a 3-button memory function:
- M+: Tilføjer den viste værdi til hukommelsen.
- M-: Trækker den viste værdi fra hukommelsen.
- MRC: Recalls the memory content (first press) or clears the memory (second press).
Særlige funktioner
- % (Procenttage): Beregner procenttages.
- Example (Add Percentage): Enter value, press +, enter percentage, tryk %.
- Example (Discount): Enter value, press -, enter percentage, tryk %.
- TAX+ / TAX- (Tax Calculation): These buttons are used for calculations involving tax rates.
- Setting Tax Rate: Trykke SÆT, then enter the tax rate (e.g., 5 for 5%), then press SKAT+Momssatsen er nu gemt.
- Add Tax: Enter original price, press SKAT+.
- Subtract Tax: Enter price including tax, press SKAT-.

Billede 4: En detaljeret view of the MAUL M112 calculator's 12-digit LCD display and the function keys, including SET, TAX-, TAX+, %, MRC, M-, M+, and the arithmetic operators. This image highlights the clear labeling and distinct coloring of important keys.
Opretholdelse
Rensning
Sådan bevarer du lommeregnerens udseende og funktionalitet:
- Wipe the calculator with a soft, dry cloth.
- Til genstridigt snavs, let dampRengør kluden med vand. Undgå at bruge skrappe kemikalier eller slibende rengøringsmidler.
- Ensure no liquid enters the calculator's internal components.
Udskiftning af batteri
When the display becomes dim or unresponsive in low light, the LR1130 battery may need replacement.
- Turn the calculator over.
- Locate the battery compartment cover (refer to Image 3).
- Åbn forsigtigt dækslet med en lille skruetrækker eller mønt.
- Fjern det gamle LR1130-batteri.
- Isæt et nyt LR1130-batteri, og sørg for korrekt polaritet (+/-).
- Sæt batterirummets dæksel på igen.
Note: Bortskaf brugte batterier i henhold til lokale regler.
Fejlfinding
- Displayet er tomt:
- Ensure the calculator is exposed to sufficient light for solar power.
- Check if the battery needs replacement (refer to Battery Replacement section).
- Trykke ON C·CE for at tænde enheden.
- Forkerte beregninger:
- Trykke AC to clear all previous entries and memory.
- Double-check your input values and the sequence of operations.
- Tasterne reagerer ikke:
- Ensure the keys are clean and free from debris.
- If the issue persists, try replacing the battery.
Specifikationer
| Modelnavn | M112 |
| Vise | 12-digit LCD, 1-line display |
| Strømkilde | Solar powered and battery operated (LR1130) |
| Dimensioner (L x B x H) | 11.9 x 7.0 x 1.0 cm |
| Materiale | Plastic (front made of aluminium) |
| Hukommelsesfunktioner | 3-button memory (M+, M-, MRC) |
| Særlige funktioner | Procenttage (%), Tax Calculation (TAX+, TAX-), Double Zero (00), Delete Last Digit (→) |
| Automatisk nedlukning | Ja |
| Fabrikant | Jakob Maul GmbH |
Garanti
The MAUL M112 calculator comes with a 5 års garanti from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims. For detailed warranty terms and conditions, please refer to the official MAUL webwebsted eller kontakt kundesupport.
Støtte
For further assistance, technical support, or inquiries regarding your MAUL M112 calculator, please visit the official MAUL webwebstedet eller kontakt deres kundeserviceafdeling. Kontaktoplysninger kan typisk findes på produktemballagen eller i producentens webwebsted.
Fabrikant: Jakob Maul GmbH





