1. Introduktion
This manual provides instructions for the proper use and maintenance of your Casio HS-8VA Basic Calculator. Please read this manual thoroughly before using the calculator to ensure optimal performance and longevity.
The Casio HS-8VA is a compact, 8-digit basic calculator designed for everyday arithmetic calculations. It features a dual power source (solar and battery) for reliable operation.
2. Nøglefunktioner
- 8-cifret display for tydelig læsbarhed.
- Dual power source: Solar and Battery (LR1130 or equivalent).
- Basic arithmetic functions: addition, subtraction, multiplication, division.
- Procenttage (%) key.
- Square root (√) key.
- Memory functions (M+, M-, MRC).
- Sign change (+/-) key.
- Kompakt og let design til bærbarhed.
3. Opsætning og første brug
3.1 Strømkilde
The Casio HS-8VA calculator operates on a dual power system: solar power and a single LR1130 (or equivalent) button cell battery. Under sufficient lighting, the calculator will primarily use solar power. In low light conditions, it will automatically switch to battery power.

Billede: Forside view of the Casio HS-8VA calculator. Note the solar panel located above the display, which provides power in well-lit environments.
3.2 Tænd/sluk
- For at tænde lommeregneren skal du trykke på ON/C nøgle.
- The calculator will automatically turn off after approximately 6 minutes of inactivity to conserve battery power.
4. Betjeningsvejledning
4.1 Grundlæggende beregninger
Indtast tal ved hjælp af det numeriske tastatur. Brug +, -, ×, og ÷ keys for arithmetic operations. Press = for at vise resultatet.
- Exampdet: To calculate 15 + 7: Press 1 5 + 7 = (Resultat: 22)
4.2 Ryd funktioner
- ON/C: Clears the current entry and all calculations. Pressing it once clears the entry, pressing it twice clears everything.
- CE (Clear Entry): (Note: This model uses ON/C for clear entry functionality)
4.3 Hukommelsesfunktioner
The calculator includes three memory keys:
- M+: Tilføjer den viste værdi til hukommelsen.
- M-: Trækker den viste værdi fra hukommelsen.
- MRC: Press once to recall the memory value. Press twice to clear the memory.
4.4 Procenttage Beregninger
Brug % nøgle til procenttage beregninger.
- Exampdet: To calculate 10% of 200: Press 2 0 0 × 1 0 % (Resultat: 20)
4.5 Square Root
Tryk på √ key after entering a number to calculate its square root.
- Exampdet: To calculate the square root of 25: Press 2 5 √ (Resultat: 5)
4.6 Sign Change
Brug +/- key to change the sign of the displayed number (positive to negative, or negative to positive).

Image: The Casio HS-8VA calculator held in a hand, illustrating its compact and portable design, suitable for pocket use.
5. Vedligeholdelse og pleje
5.1 Generel pleje
- Keep the calculator dry. Avoid exposure to water or high humidity.
- Do not expose the calculator to extreme temperatures (hot or cold).
- Clean the calculator with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Undgå at tabe lommeregneren eller udsætte den for kraftige stød.
5.2 Udskiftning af batteri
When the display becomes dim or calculations are incorrect even in sufficient light, the battery may need replacement. The Casio HS-8VA uses one LR1130 (or equivalent) button cell battery.
- Sluk for lommeregneren.
- Find batteridækslet på bagsiden af enheden.
- Carefully remove the cover using a small screwdriver if necessary.
- Fjern det gamle batteri, og isæt et nyt LR1130-batteri med den positive (+) side opad.
- Sæt batterirummets dæksel på igen.
- Bortskaf gamle batterier i henhold til lokale regler.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Skærmen er tom eller svag. | Utilstrækkeligt lys til solenergi eller lavt batteri. | Flyt til et lysere område. Hvis problemet fortsætter, skal du udskifte batteriet. |
| Forkerte beregningsresultater. | Incorrect key input, or low battery affecting internal circuits. | Clear all calculations using ON/C and re-enter. Replace battery if necessary. |
| Tasterne reagerer ikke. | Calculator might be frozen, or physical damage. | Trykke ON/C multiple times. If unresponsive, try replacing the battery. If still unresponsive, contact support. |
7. Specifikationer
| Feature | Detalje |
|---|---|
| Model | Casio HS-8VA |
| Vis cifre | 8 cifre |
| Strømkilde | Solar and 1 x LR1130 (or equivalent) battery |
| Dimensioner (L x B x H) | 5.84 x 5.84 x 0.25 cm (ca. 2.3 x 2.3 x 0.1 tommer) |
| Vægt | 35 gram (ca. 1.23 ounces) |
| Materiale | Plast, Metal |

Image: Casio HS-8VA calculator with key dimensions indicated. The image shows the calculator's length as 10.16cm and width as 5.72cm.
8. Garantioplysninger
Casio products are manufactured to high-quality standards. This product is covered by a limited warranty against defects in materials and workmanship. The specific terms and duration of the warranty may vary by region. Please refer to the warranty card included with your purchase or visit the official Casio webwebstedet for detaljerede garantioplysninger, der gælder for din placering.
Gem din købsbevis (kvittering), da den skal bruges ved eventuelle garantikrav.
9. Kundesupport
For further assistance, technical support, or inquiries regarding your Casio HS-8VA calculator, please contact Casio customer service. Contact information can typically be found on the official Casio webwebstedet eller på emballagen til dit produkt.
Du kan også besøge Casio Brand Store for yderligere produktinformation og supportressourcer.





