Indledning
The Sharp EL-233SB Battery Powered Basic Hand-Held Calculator is designed for everyday calculations with ease of use in mind. It features a clear 8-digit LCD display and is powered by a single LR1130 battery, which is included. This calculator is equipped with essential functions for standard calculations, making it a reliable tool for various needs.
Hvad er der i æsken
- Sharp EL-233SB Handheld Basic Calculator
Opsætning
Installation af batteri
The Sharp EL-233SB calculator operates on one LR1130 battery. The battery is included with the product. To install or replace the battery:
- Find batteridækslet på bagsiden af lommeregneren.
- Using a small screwdriver, carefully remove the screw securing the battery compartment cover.
- Skub dækslet af.
- Insert the LR1130 battery with the positive (+) side facing up, ensuring it is seated correctly.
- Sæt batterirummets dæksel på igen og fastgør det med skruen.
Front view of the Sharp EL-233SB calculator, showing the 8-digit LCD display and key layout.
Diagram showing the dimensions of the Sharp EL-233SB calculator, highlighting its compact size and 8-digit LCD display.
Betjeningsvejledning
Grundlæggende operationer
- Tænd/sluk: Tryk på ON/C key to turn the calculator on. The calculator features an automatic power-off function to conserve battery life after a period of inactivity.
- 8-cifret LCD-skærm: The large display shows numbers clearly for easy reading during calculations.
- Addition, subtraktion, multiplikation, division: Use the standard arithmetic keys (+, -, ×, ÷) for basic calculations. Press = for at få resultatet.
- Procentnøgle (%): Use this key to calculate percentages. For eksample, to calculate 10% of 200, enter 200 × 10 %.
- Square Root Key (√): Press this key after entering a number to find its square root. For example, to find the square root of 25, enter 25 √.
Hukommelsesfunktioner
The EL-233SB includes a 3-key memory system for convenient storage and recall of numbers:
- Hukommelse Plus (M+): Tilføjer den viste værdi til hukommelsen.
- Hukommelse Minus (M-): Trækker den viste værdi fra hukommelsen.
- Recall/Clear Memory (R.CM): Press once to recall the value stored in memory. Press twice to clear the memory (set it to zero).
Opretholdelse
To ensure the longevity and optimal performance of your Sharp EL-233SB calculator, follow these maintenance guidelines:
- Rensning: Wipe the calculator regularly with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using strong chemicals or abrasive materials.
- Opbevaring: Store the calculator in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Håndtering: Avoid dropping the calculator or subjecting it to strong impacts, as this can damage internal components or the display.
- Batteripleje: If the calculator will not be used for an extended period, it is recommended to remove the battery to prevent leakage and potential damage.
Fejlfinding
| Problem | Løsning |
|---|---|
| Calculator does not turn on or display is blank. | Check battery. Ensure the LR1130 battery is correctly installed and has sufficient charge. Replace the battery if necessary. |
| Forkerte beregningsresultater. | Ensure correct input of numbers and operations. Clear the calculator by pressing ON/C to reset any previous calculations or memory values. |
| Keys are unresponsive or sticky. | Clean the keys and surrounding areas with a soft, dry cloth. Avoid spilling liquids on the calculator. |
Specifikationer
| Feature | Detalje |
|---|---|
| Produktdimensioner | 0.3 x 4.1 x 2.4 tommer |
| Varens vægt | 1.6 ounce |
| Varemodelnummer | EL233SB |
| Batterier | 1 LR1130 batteri påkrævet (medfølger) |
| Lommeregner Type | Standardfunktion |
| Strømkilde | Batteridrevet |
| Skærmstørrelse | 8-cifret LCD |
| Oprindelsesland | Kina |
Garanti og support
For warranty information and customer support, please refer to the official Sharp documentation or contact Sharp customer service directly. Keep your purchase receipt as proof of purchase.
En elektronisk version af brugermanualen kan downloades:
