1. Inleiding
This manual provides instructions for the proper use and maintenance of your Kenko KK-402 Electronic Calculator. This 8-digit calculator is designed for basic arithmetic operations and features an auto power-off function to conserve battery life.
Image 1.1: The Kenko KK-402 Electronic Calculator. This image displays the calculator's front view, showing its 8-digit LCD display, numeric keypad, and function buttons including ON/CE, OFF, square root, percentage, memory functions (M+, M-, MRC), and basic arithmetic operations.
2. Opstelling
2.1. Battery Installasie
The Kenko KK-402 calculator is battery-operated. To install or replace batteries:
- Vind die batteryklepdeksel aan die agterkant van die sakrekenaar.
- Use a small screwdriver (not included) to open the battery compartment.
- Insert the required batteries (type not specified, typically button cell or AAA) according to the polarity indicators (+/-) inside the compartment.
- Plaas die deksel van die batterykompartement terug en maak dit vas.
Caution: Ensure batteries are inserted correctly. Incorrect installation may damage the device.
2.2. Skakel aan/af
- Om die sakrekenaar aan te skakel, druk die AAN/CE knoppie.
- To turn off the calculator, press the AF knoppie.
- The calculator also features an automatic power-off function to save energy. It will power off after a period of inactivity.
3. Bedryfsinstruksies
3.1. Basiese Rekenkundige Bewerkings
Use the numeric keypad (0-9) and the decimal point (.) to enter numbers. Press the corresponding operator button for addition (+), subtraction (-), multiplication (X), or division (÷).
- 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 =.
3.2. Clear Functions
- Druk AAN/CE once to clear the last entry. Press it twice to clear all entries and reset the calculator.
- Druk AF to turn off the calculator.
3.3. Spesiale funksies
- Square Root (√): Enter a number, then press the √ button to calculate its square root.
- Percenttage (%): Enter a number, press X (of ÷), enter the percentage value, then press %. Byvoorbeeldample, to calculate 10% of 200, enter 200, press X, enter 10, press %.
3.4. Geheuefunksies
The calculator includes memory functions to store and recall values.
- M+: Voeg die vertoonde waarde by die geheue.
- M-: Trek die vertoonde waarde van die geheue af.
- MRC: Druk een keer om die geheuewaarde te herroep. Druk twee keer om die geheue te vee.
4. Onderhoud
- Skoonmaak: Wipe the calculator with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Berging: Bêre die sakrekenaar op 'n koel, droë plek weg van direkte sonlig en uiterste temperature.
- Batterysorg: As die sakrekenaar vir 'n lang tydperk nie gebruik sal word nie, verwyder die batterye om lekkasie te voorkom.
5. Probleemoplossing
| Probleem | Oplossing |
|---|---|
| Die skerm is leeg of dof. | Kontroleer batteryinstallasie. Vervang batterye indien nodig. |
| Sakrekenaar skakel nie aan nie. | Ensure batteries are correctly installed and charged. Press the ON/CE button. |
| Verkeerde berekeningsresultate. | Press ON/CE twice to clear all previous operations and memory. Re-enter the calculation. |
6. Spesifikasies
- Model: KK-402
- Handelsmerk: Kenko
- Vertoon: 8-syfer LCD
- Funksies: Basic arithmetic (addition, subtraction, multiplication, division), square root, percentage, memory (M+, M-, MRC).
- Kragbron: Battery aangedryf
- Outo-afskakeling: Ja
- Kleur: Swart
- Materiaal tipe: Veelvuldige materiale
- Afmetings: Approximately 25.6 x 7.8 x 7.6 cm (Package Dimensions)
- Gewig: Approximately 196 grams (Item Weight)
7. Waarborg en Ondersteuning
For warranty information or technical support, please refer to the documentation included with your purchase or contact the retailer where the product was acquired. Keep your proof of purchase for warranty claims.