1. Pengenalan
This manual provides detailed instructions for the operation and maintenance of your CATIGA CD-2786-12 Desktop Calculator. Designed for clarity and ease of use, this 12-digit calculator features a large LCD display, responsive buttons, and dual power sources (solar and battery) for reliable performance in various environments, including business, office, home, and school settings.
2. Ciri-ciri Produk
- Paparan LCD 12 Digit Besar: Provides clear and easy-to-read numbers, enhancing readability from a distance.
- Butang Sensitif dan Besar: Ensures faster and smoother calculation processes with responsive key registration and reduced error potential.
- Reka Bentuk Kuasa Dwi: Operates using both solar power (in well-lit environments) and a pre-installed LR44 battery, ensuring continuous functionality.
- Ergonomic Angle Design: Features a 30-degree angled screen for improved viewing comfort and user experience.
- Pad Getah Anti-Slip: Equipped with four anti-slip pads on the base to prevent movement during use.
- Matikan Automatik: The calculator will automatically turn off after approximately 6 minutes of inactivity to conserve power.
Rajah 1: Depan view of the CATIGA CD-2786-12 Desktop Calculator, showing the large LCD display and keypad.
3. Persediaan
- Membongkar: Carefully remove the calculator from its packaging.
- Hidupkan Kuasa Awal: Tekan ke HIDUP/AC button to turn on the calculator. The display should show "0".
- Sumber Kuasa: The calculator is equipped with both solar and battery power. Ensure the solar panel is exposed to light for optimal performance. The pre-installed LR44 battery provides backup power in low-light conditions.
- penempatan: Place the calculator on a flat, stable surface. The ergonomic angle design and anti-slip pads ensure stability during use.
Figure 2: Illustration of the calculator's dual power sources: solar panel and pre-installed battery.
4. Arahan Operasi
4.1 Operasi Asas
| kunci | Fungsi |
|---|---|
| HIDUP/AC | Power On / All Clear (clears all entries and memory) |
| 0-9 | Kekunci Nombor |
| . | Decimal Point Key |
| + | Penambahan |
| - | Penolakan |
| x | Pendaraban |
| ÷ | Bahagian |
| = | Equals (displays result) |
| C/CE | Clear Entry / Clear Error (clears the last entry or error) |
| ► | Right Shift Key (deletes the rightmost digit) |
4.2 Fungsi Memori
| kunci | Fungsi |
|---|---|
| M+ | Memory Plus (adds the displayed value to memory) |
| M- | Memory Minus (subtracts the displayed value from memory) |
| BSMM | Memory Recall / Clear (first press recalls memory, second press clears memory) |
| GT | Grand Total (displays the sum of all results calculated since the last GT clear) |
4.3 Peratustage and Square Root
- % (Peratustage): Digunakan untuk peratusantage pengiraan. Untuk example, to calculate 10% of 200, enter "200 x 10 %".
- √ (Akar Segiempat): Calculates the square root of the displayed number. For example, to find the square root of 25, enter "25 √".
5. Penyelenggaraan
5.1 Penggantian Bateri
The calculator uses one LR44 (1.5V) battery. If the display becomes dim or blurry, it indicates low battery power. You can continue to use solar energy or replace the battery.
- Loosen the screw on the back cover of the calculator.
- Keluarkan penutup belakang dengan berhati-hati.
- Use a small screwdriver or similar tool to gently push out the old battery. Note the polarity (+/-) of the old battery.
- Insert the new LR44 battery with the correct polarity.
- Replace the back cover and tighten the screw. Do not overtighten.
After replacing the battery, allow approximately 5-10 minutes for the calculator to fully reset and function optimally.
5.2 Pembersihan
Wipe the calculator with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as these may damage the display or casing.
6. Penyelesaian masalah
- Paparan kosong:
- Ensure the calculator is in a well-lit area for solar power.
- Tekan ke HIDUP/AC butang.
- Periksa sama ada bateri memerlukan penggantian (rujuk Bahagian 5.1).
- Pengiraan yang salah:
- Tekan HIDUP/AC to clear all previous entries and memory, then re-enter your calculation.
- Ensure correct key presses; the large buttons are designed to minimize errors.
- Butang tidak bertindak balas:
- Clean around the buttons with a soft, dry cloth to remove any debris.
- If the issue persists, the internal mechanism may require professional inspection.
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | CD-2786-12 |
| Digit Paparan | 12 Digit |
| Saiz Skrin | 4.5 Inci |
| Sumber Kuasa | Dual Power (Solar & 1x LR44 Battery) |
| Dimensi Produk | 6 x 4.72 x 0.1 inci |
| Berat Barang | 5.6 auns |
| Jenis Kalkulator | Business, Financial, Standard Function |
| Matikan Auto | Setelah lebih kurang. 6 minit tidak aktif |
Figure 3: Dimensions and ergonomic angle design of the calculator for comfortable use.
8. Waranti dan Sokongan
For warranty information or technical support, please refer to the contact details provided with your product packaging or visit the official CATIGA webtapak. Simpan resit pembelian anda sebagai bukti pembelian.