Sharp EL-2135 12-Digit Electronic Desktop Calculator User Manual

1. Pengenalan

This manual provides detailed instructions for the proper use and maintenance of your Sharp EL-2135 12-digit electronic desktop calculator. Designed for general purpose calculations, this lightweight and ergonomically designed calculator is ideal for both school and office environments. It features a clear 12-digit LCD display and operates efficiently with dual power sources.

2. Ciri-ciri Utama

• Paparan LCD 12 Digit: Provides clear and easy-to-read numerical output.
• Comfortable Desktop Size: Optimized dimensions for stable and convenient use on any desk.
• Elegant Gray Body: Durable ABS plastic construction with a professional aesthetic.
• Square Root Function: Dedicated button for quick square root calculations.
• Sumber Kuasa Dwi: Operates on both solar power and a lithium-ion battery, ensuring functionality even in low light conditions.

3. Persediaan

3.1 Menghidupkan

The Sharp EL-2135 calculator utilizes a dual power system: solar and battery. It will automatically draw power from the solar cell when sufficient light is available. In dim lighting or darkness, the included lithium-ion battery will provide power. No manual power-on switch is typically required; the calculator activates upon light exposure or key press.

3.2 Pemasangan/Penggantian Bateri

The calculator comes with a lithium-ion battery pre-installed. If battery replacement becomes necessary:

1. Ensure the calculator is off or in a well-lit area to utilize solar power.
2. Cari petak bateri di bahagian belakang unit.
3. Buka penutup petak dengan berhati-hati.
4. Remove the old battery and insert a new CR2032 lithium-ion battery, ensuring correct polarity (+/-).
5. Tutup penutup petak bateri dengan selamat.

Note: Dispose of used batteries according to local regulations.

4. Arahan Operasi

4.1 Operasi Aritmetik Asas

Perform addition, subtraction, multiplication, and division using the dedicated keys:

• Tambahan (+): Masukkan nombor pertama, tekan +, masukkan nombor kedua, tekan =.
• Tolak (-): Masukkan nombor pertama, tekan -, masukkan nombor kedua, tekan =.
• Pendaraban (×): Masukkan nombor pertama, tekan ×, masukkan nombor kedua, tekan =.
• Pembahagian (÷): Masukkan nombor pertama, tekan ÷, masukkan nombor kedua, tekan =.

4.2 Fungsi Khas

• Punca Kuasa Dua (√): Enter a number, then press the √ key to calculate its square root.
• Peratustage (%): Digunakan untuk peratusantage pengiraan. Untuk example, to calculate 10% of 200: Enter 200, press ×, masukkan 10, tekan %.
• Jumlah Besar (GT): Accumulates the results of all calculations performed after the last GT clear. Press GT untuk memaparkan jumlah keseluruhan.
• Penambahan/Penurunan Penambahan (MU): Digunakan untuk pengiraan margin keuntungan.
• Kosongkan Entri (CE): Clears the last entered number or operation without affecting previous calculations.
• Clear All (CA): Clears all entries and calculations, resetting the calculator.
• Memori Plus (M+): Menambah nilai yang dipaparkan pada memori.
• Memori Tolak (M-): Menolak nilai yang dipaparkan daripada memori.
• Recall Memory (RM): Memaparkan nilai yang sedang disimpan dalam memori.
• Clear Memory (CM): Menghapuskan ingatan.

4.3 Paparan

The 12-digit LCD display shows numbers clearly. If the result of a calculation exceeds 12 digits, an error indicator may appear, or the number may be displayed in scientific notation if supported.

5. Penyelenggaraan

5.1 Pembersihan

To clean the calculator, use a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the casing dan paparan.

5.2 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 electronic components. When not in use for extended periods, ensure it is stored in a manner that prevents accidental key presses.

6. Penyelesaian masalah

• Paparan kosong atau malap:
  • Ensure the calculator is in a well-lit area for solar power.
  • Check if the battery needs replacement. Refer to Section 3.2.
• Pengiraan yang salah:
  • Tekan ke CA (Clear All) button to reset the calculator.
  • Verify that you are entering numbers and operations correctly.
• Kekunci tidak responsif:
  • Clean the keys and surrounding areas to remove any debris.
  • If the issue persists, the calculator may require professional servicing.

7. Spesifikasi

8. Imej Produk

9. Waranti dan Sokongan

For warranty information, please refer to the documentation included with your purchase or contact your retailer. For technical support or service inquiries, please visit the official Sharp webtapak atau hubungi bahagian perkhidmatan pelanggan mereka. Simpan resit pembelian anda sebagai bukti pembelian untuk sebarang tuntutan waranti.