Casio SL-320TER Pocket Calculator User Manual

1. Inleiding

This manual provides essential information for the proper use and maintenance of your Casio SL-320TER Pocket Calculator. Please read these instructions carefully before using the calculator to ensure optimal performance and longevity.

2. Opstelling

2.1 Kragbron

The Casio SL-320TER calculator utilizes a two-way power system: solar power and a single LR44 button-cell battery. The solar cell operates in well-lit environments, while the battery provides power in low-light conditions.

• Sonkrag: Ensure the calculator's solar panel is exposed to sufficient light for operation.
• Batterykrag: The calculator comes with one LR44 battery installed. If the display becomes dim or unresponsive in low light, the battery may need replacement.

2.2 Aanvanklike gebruik

Upon first use, or after replacing the battery, the calculator should power on automatically when exposed to light or by pressing the AC (All Clear) button. If the display is blank, ensure adequate lighting or check the battery.

Figuur 1: Voorkant view of the Casio SL-320TER Pocket Calculator, illustrating the 12-digit display and key layout.

3. Bedryfsinstruksies

3.1 Basiese Berekeninge

Perform standard arithmetic operations:

• Byvoeging: Voer die eerste nommer in, druk +, voer die tweede nommer in, druk =.
• Aftrekking: Voer die eerste nommer in, druk -, voer die tweede nommer in, druk =.
• Vermenigvuldiging: Voer die eerste nommer in, druk x, voer die tweede nommer in, druk =.
• Afdeling: Voer die eerste nommer in, druk ÷, voer die tweede nommer in, druk =.
• Desimale punt: Gebruik die . button for decimal values.
• Double Zero: Gebruik die 00 button for quick entry of two zeros.

3.2 Clear Functions

• C (Clear Entry): Clears the last entered number or the current calculation entry without affecting previous calculations or memory.
• AC (alles duidelik): Clears all entries, calculations, and memory content, resetting the calculator to its initial state.

3.3 Geheuefunksies

The calculator includes independent memory for storing and recalling values:

• M+ (Geheue Plus): Voeg die vertoonde waarde by die geheue.
• M- (Geheue Minus): Trek die vertoonde waarde van die geheue af.
• MRC (Memory Recall/Clear): Press once to recall the value stored in memory. Press twice to clear the memory.

3.4 Tax Calculations

The calculator features dedicated tax calculation functions. First, set the tax rate:

1. Druk STEL.
2. Enter the tax rate percentage (bv. 5 vir 5%).
3. Druk BELASTINGKOERS. The tax rate is now stored.

To perform tax calculations:

• TAX+ (Add Tax): Enter the original amount, then press BELASTING+ to display the amount including tax.
• TAX- (Subtract Tax): Enter the amount including tax, then press BELASTING- to display the original amount before tax.

3.5 persenttage Berekeninge

Gebruik die % button for percentage calculations, including profit margin calculations.

• Example (Simple Percentage): To calculate 15% of 200: Enter 200 x 15 %.
• Example (Add Percentage): To add 15% to 200: Enter 200 + 15 %.

3.6 Currency Conversion

The calculator supports currency conversion, specifically between a local currency and the Euro. First, set the Euro exchange rate:

1. Druk STEL.
2. Enter the exchange rate (e.g., 1.25 if 1 Euro = 1.25 Local units).
3. Druk KOERS. The exchange rate is now stored.

To perform currency conversions:

• Local to Euro: Enter the amount in Local currency, then press Euro.
• Euro to Local: Enter the amount in Euro, then press Plaaslik.

4. Onderhoud

4.1 Skoonmaak

To clean the calculator, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or wet cloths, as these can damage the casing of interne komponente.

4.2 Batteryvervanging

When the display becomes dim or unresponsive, replace the LR44 battery. To replace the battery:

1. Turn the calculator over.
2. Vind die batterykompartementdeksel.
3. Gebruik 'n klein skroewedraaier om die kompartement oop te maak.
4. Remove the old LR44 battery and insert a new one, ensuring correct polarity (+/-).
5. Sluit die deksel van die batterykas veilig.

4.3 Berging

Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on top of the calculator.

5. Probleemoplossing

• Leë of dowwe skerm:
    - Ensure the solar panel is exposed to sufficient light.
    - Replace the LR44 battery if it is depleted.
• Incorrect Calculation Results:
    - Druk AC om alle vorige berekeninge en geheue skoon te maak.
    - Double-check your input values and operation sequence.
• Knoppies reageer nie:
    - Druk AC to reset the calculator.
    - If the issue persists, try replacing the battery.

6. Spesifikasies

Figure 2: Size comparison of the Casio SL-320TER calculator, highlighting its compact design with a height of approximately 12 cm.

7. Waarborg en Ondersteuning

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Casio webwebwerf. Bewaar u bewys van aankoop vir enige waarborgeise.