1. Pengenalan
Thank you for choosing the OSALO OS-5M Desktop Calculator. This manual provides essential information for the proper setup, operation, and maintenance of your calculator. Designed for ease of use with a large display and big buttons, this 12-digit calculator is suitable for various daily tasks in office, school, or home environments.

Image: The OSALO OS-5M desktop calculator positioned on a white desk, alongside a coffee cup and various documents, illustrating a typical usage scenario.
2. Produk Lebihview
The OSALO OS-5M calculator features a user-friendly design with clear components for efficient operation.
Ciri-ciri Utama:
- Large Angled Display: A 4.5-inch LCD screen, ergonomically angled for improved readability from various viewkedudukan.
- Big, Soft Keys: Keys are generously sized and designed for a soft touch, ensuring precise and comfortable input.
- Visualized Operator Symbols: Displays icons for addition, subtraction, multiplication, and division on the screen, providing clear visibility of calculation steps.
- Sumber Kuasa Dwi: Operates primarily on solar energy. For low-light conditions, it can be powered by one AAA battery.
- Pembinaan Tahan Lama: Made from high-strength ABS plastic, offering lightweight portability and resistance to impacts.
- Penutupan Automatik: The calculator automatically powers off after 8 minutes of inactivity to conserve energy.

Imej: A terperinci view of the OSALO OS-5M calculator highlighting its clear LCD screen, the soft, ergonomically shaped keys, and the tactile '5' key designed for easy finger placement.
3. Persediaan
3.1 Pemasangan Bateri
- Cari petak bateri di bahagian belakang kalkulator.
- Luncurkan penutup bateri terbuka.
- Insert one AAA battery, ensuring the polarity (+/-) matches the diagram inside the compartment.
- Tutup penutup bateri dengan selamat.
The calculator is designed for dual power. It will primarily use solar power when sufficient light is available. The AAA battery provides power in low-light conditions or when solar power is insufficient.

Image: A comparison showing the front and back of the OSALO OS-5M calculator. The back view clearly indicates the location of the battery compartment.
4. Arahan Operasi
Familiarize yourself with the calculator's key functions for efficient use.
4.1 Operasi Aritmetik Asas
- Tambahan (+): Masukkan nombor pertama, tekan +, masukkan nombor kedua, kemudian tekan =.
- Tolak (-): Masukkan nombor pertama, tekan -, masukkan nombor kedua, kemudian tekan =.
- Pendaraban (×): Masukkan nombor pertama, tekan ×, masukkan nombor kedua, kemudian tekan =.
- Pembahagian (÷): Masukkan nombor pertama, tekan ÷, masukkan nombor kedua, kemudian tekan =.
4.2 Fungsi Jelas
- AC (Semua Jelas): Clears all entries and calculations, including memory.
- C/CE (Clear Entry/Clear): Press once to clear the last entered number. Press twice to clear the current calculation.
4.3 Fungsi Memori
- M+ (Memory Plus): Menambah nilai yang dipaparkan pada memori.
- M- (Memori Tolak): Menolak nilai yang dipaparkan daripada memori.
- BSMM (Memori Ingat/Kosongkan): Press once to recall the memory value. Press twice to clear the memory.
4.4 Fungsi Lain
- % (Peratustage): Digunakan untuk peratusantage pengiraan. Untuk example, untuk mengira 10% daripada 200, masukkan 200 × 10 %.
- GT (Jumlah Besar): Accumulates the results of multiple calculations. Press GT untuk memaparkan jumlah keseluruhan.
- √ (Akar Segiempat): Mengira punca kuasa dua nombor yang dipaparkan.

Imej: A jelas view of the OSALO OS-5M calculator, emphasizing its large, easy-to-press buttons and the 12-digit display which shows arithmetic symbols during calculations for enhanced clarity.
5. Penyelenggaraan
5.1 Pembersihan
To maintain the calculator's appearance and functionality, wipe the surface with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals, abrasive cleaners, or solvents, as these can damage the plastic and display.
5.2 Penggantian Bateri
If the display becomes dim or the calculator functions erratically in sufficient light, the AAA battery may need replacement. Follow the battery installation steps in Section 3.1.
5.3 Penyimpanan
Store the calculator in a cool, dry place away from direct sunlight and extreme temperatures. Prolonged exposure to heat or cold can affect battery life and display performance.
6. Penyelesaian masalah
- Kalkulator tidak dihidupkan: Ensure there is sufficient light for solar power or check if the AAA battery is correctly installed and not depleted. Replace the battery if necessary.
- Keputusan pengiraan yang salah: Tekan ke AC key to clear all previous entries and memory, then re-enter your calculation.
- Paparan malap atau kosong: Move the calculator to a brighter area for solar charging, or replace the AAA battery.
- Kekunci tidak responsif: Ensure no debris is lodged under the keys. Gently press the keys to ensure proper contact.
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | OS-5M |
| Digit Paparan | 12 Digit |
| Jenis Paparan | LCD |
| Saiz Skrin | 4.5 Inci |
| Sumber Kuasa | Solar Power, 1 x AAA Battery |
| bahan | Plastik ABS berkekuatan tinggi |
| Dimensi Produk | 19L x 14.8W cm |
| Berat badan | 170 Gram |
| Jenis Kalkulator | Business/Basic |

Image: A visual comparison of the OSALO 5M and OSALO 6M calculators, detailing their respective dimensions in both inches and millimeters to illustrate size differences.
8. Waranti dan Sokongan
For warranty information or technical support, please refer to the product packaging or contact OSALO customer service through the retailer where the product was purchased. Keep your purchase receipt for warranty claims.