pengenalan
This manual provides detailed instructions for the operation and maintenance of your Sharp EL-377WB Business Calculator. Designed for efficiency and ease of use, this 10-digit calculator features an extra-large LCD for clear display and durable, well-spaced keys for accurate data entry. Its twin-power operation ensures reliable performance in various environments.
Apa yang ada dalam Kotak
- Sharp EL-377WB Business Calculator
- Manual Pengguna (dokumen ini)
Ciri-ciri
- 10-Digit Extra-Large LCD Display: Provides crisp, clear digits for easy reading and reduced errors.
- Durable and Appropriately Spaced Keys: Ensures fast and accurate data entry.
- Kunci Ruang Belakang: Allows quick, single-digit corrections.
- Operasi Kuasa Berkembar: Runs on solar energy with a battery backup (1 CR2 battery, included) for consistent, reliable performance.
- Kunci Cukai Automatik: Simplifies tax calculations.
- Kunci Peratus: For quick percentage pengiraan.
- Kunci Akar Kuasa Dua: For mathematical operations.
- Four-Key Independent Memory: (M+, M-, RM, CM) for storing and recalling values.
- Automatic Power Down: Menjimatkan hayat bateri.
- Reka bentuk padat dan mudah alih: Dimensions of 4.7 x 2.8 x 0.1 inches and weighing 1.84 ounces.
Rajah 1: Depan view of the Sharp EL-377WB Business Calculator, showcasinpaparan yang besar dan susun atur kekuncinya.
Figure 2: Dimensions of the Sharp EL-377WB calculator, illustrating its compact size for portability.
Figure 3: Illustration of the calculator's dual power source: a solar panel for primary power and a battery backup for low-light conditions.
Persediaan
Menghidupkan
The Sharp EL-377WB calculator utilizes a twin-power system, operating on solar energy in well-lit environments and switching to battery power (1 CR2 battery, included) when light is insufficient. To power on the calculator, press the ON/CA button. The display will show "0".
Penggunaan Awal
No specific initial setup is required beyond powering on. Ensure adequate lighting for solar operation or confirm the battery is correctly installed if operating in dim conditions.
Arahan Operasi
Operasi Aritmetik Asas
Perform standard calculations using the number keys (0-9), decimal point (.), and operation keys (+, -, ×, ÷). Press the = key to display the result.
- Tambahan: Enter first number, press +, enter second number, press =.
- Penolakan: Enter first number, press -, enter second number, press =.
- Pendaraban: Enter first number, press ×, enter second number, press =.
- Bahagian: Enter first number, press ÷, enter second number, press =.
Fungsi Khas
- Clear Entry (CE) / All Clear (CA): Tekan C-CE once to clear the last entry. Press it twice to clear all calculations and memory (All Clear).
- Backspace Key (→): Use this key to delete the last digit entered.
- Kunci Peratus (%): Untuk mengira peratustages, e.g., 100 + 10% = 110.
- Square Root Key (√): Mengira punca kuasa dua nombor yang dipaparkan.
- Perubahan Tanda (+/-): Menukar tanda nombor yang dipaparkan daripada positif kepada negatif atau sebaliknya.
Fungsi Memori
The calculator features a four-key independent memory system:
- M+: Menambah nilai yang dipaparkan pada memori.
- M-: Menolak nilai yang dipaparkan daripada memori.
- RM (Ingatan Ingat): Mengingat semula nilai yang sedang disimpan dalam memori ke paparan.
- CM (Memori Kosong): Menghapuskan ingatan.
Tax Calculation Keys
The automatic tax keys simplify calculations involving tax rates. You can set and recall a tax rate.
- Menetapkan Kadar Cukai:
- Tekan KADAR SET.
- Enter the tax rate (e.g., 5 for 5%).
- Tekan KADAR SET sekali lagi untuk berjimat.
- Calculating with Tax:
- Masukkan jumlah.
- Tekan +CUKAI to add tax.
- Tekan -CUKAI untuk menolak cukai.
- Recalling Tax Rate: Tekan RATE RECALL kepada view the currently set tax rate.
Video 1: Demonstration of key features including tax keys, square root, and backspace on the Sharp EL-377WB calculator.
Penyelenggaraan
Pembersihan
To clean the calculator, use a soft, dry cloth. Do not use abrasive cleaners, solvents, or spray directly onto the unit. Keep the solar panel clean and unobstructed for optimal performance.
Penggantian Bateri
The calculator uses one CR2 battery. If the display becomes dim or unresponsive in low light, the battery may need replacement. To replace the battery:
- Pastikan kalkulator dimatikan.
- Cari petak bateri di bahagian belakang unit.
- Carefully remove the screws securing the battery cover.
- Remove the old battery and insert a new CR2 battery, observing the correct polarity (+/-).
- Gantikan penutup bateri dan kencangkannya dengan skru.
Buang bateri lama mengikut peraturan tempatan.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Paparan kosong atau malap. | Cahaya yang tidak mencukupi untuk kuasa solar atau bateri lemah. | Move the calculator to a brighter area. If the issue persists, replace the battery. |
| Keputusan pengiraan yang salah. | Incorrect input, or memory function active. | Tekan C-CE twice to clear all entries and memory. Re-enter the calculation carefully. |
| Kekunci tidak responsif. | Calculator may be in an error state, or battery is completely drained. | Tekan ON/CAJika masih tidak bertindak balas, gantikan bateri. |
Spesifikasi
- Dimensi Produk: 4.7 x 2.8 x 0.1 inci
- Berat Barang: 1.84 auns
- Nombor Model: EL-377WB
- Sumber Kuasa: Twin-power (Solar and 1 CR2 Battery)
- paparan: LCD 10-Digit Lebih Besar
- Jenis Kalkulator: Perniagaan
- warna: putih
- Pengeluar: Victor Technology LLC
- Tarikh Mula-mula Tersedia: 4 November 2016
Waranti dan Sokongan
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official Sharp Calculators webtapak. Simpan bukti pembelian anda untuk tuntutan waranti.
Untuk sumber tambahan dan maklumat produk, anda boleh melawati Kedai Sharp di Amazon.
