1. Pengenalan
Terima kasih kerana membeliasing the Casio JE-12D-WE-N Ergonomic 12-Digit Day & Time Calculator. This manual provides detailed instructions for the proper use and maintenance of your calculator. Designed with user comfort in mind, this calculator features an ergonomic design to facilitate natural and efficient operation. Please read this manual thoroughly before using the product and keep it for future reference.
Rajah 1.1: Bersudut view of the Casio JE-12D-WE-N calculator, showcasing its white finish and key layout.
2. Persediaan
2.1 Sumber Kuasa
The Casio JE-12D-WE-N calculator operates on both solar power and a backup battery. For optimal performance, ensure the solar panel is exposed to sufficient light. If the display is dim or unresponsive in low light, the battery may be low.
2.2 Penggunaan Awal
- Tekan ke HIDUP/AC butang untuk menghidupkan kalkulator dan memadam sebarang pengiraan sebelumnya.
- Verify the display shows "0" to confirm it is ready for use.
3. Arahan Operasi
3.1 Pengiraan Asas
- Addition (+), Subtraction (-), Multiplication (×), Division (÷): Masukkan nombor pertama, tekan kekunci operator yang dikehendaki, masukkan nombor kedua, kemudian tekan =.
- Kosongkan Entri (C): Mengosongkan nombor atau operasi terakhir yang dimasukkan.
- Semua Clear (AC): Mengosongkan semua entri dan pengiraan, menetapkan semula kalkulator kepada sifar.
3.2 Fungsi Memori
- M+: Menambah nilai yang dipaparkan pada memori.
- M-: Menolak nilai yang dipaparkan daripada memori.
- MR: Mengingat kembali nilai yang disimpan dalam ingatan.
- MC: Menghapuskan ingatan.
3.3 Tax Calculation
The calculator includes dedicated keys for tax calculations.
- Setting the Tax Rate: Tekan 税率設定 (Tax Rate Setting), enter the tax rate percentage, kemudian tekan 税率設定 sekali lagi untuk berjimat.
- Tax+: Menambah cukai pada nilai yang dipaparkan.
- Tax-: Menolak cukai daripada nilai yang dipaparkan.
3.4 Day/Time Calculation
Gunakan 日数/時間 (Day/Time) key for specific date and time calculations. Refer to the on-screen indicators for day and time modes.
Rajah 3.1: Depan view of the calculator, highlighting the display and key layout, including dedicated tax and day/time keys.
4. Ciri-ciri Utama
4.1 Reka Bentuk Ergonomik
The Casio JE-12D-WE-N is engineered with an ergonomic design, ensuring comfort and ease of use during extended periods. The calculator's housing and keys are shaped to fit the natural posture of the hand.
Rajah 4.1: Sisi view illustrating the 3-degree ergonomic tilt of the calculator, designed for comfortable operation.
This design allows the right hand to operate at a slight angle, with key presses remaining vertical, reducing strain. This approach is based on thorough analysis of hand and finger states during operation, conducted in collaboration with specialized institutions.
Figure 4.2: Diagram explaining the ergonomic key design, showing how the hand naturally fits the calculator and key presses are vertical.
Figure 4.3: Close-up showing the rounded, soft design and the wave-patterned texture on the back for improved grip.
Figure 4.4: Images depicting the detailed analysis of hand and finger positions during calculator operation, contributing to the ergonomic design.
4.2 Responsive Key Input
The calculator features a 3-key rollover function, allowing for rapid input without missed keystrokes. The key arrangement and concave shape of the keys are designed for optimal typing comfort and accuracy.
Figure 4.5: Illustration of the fast input capability and the ergonomic concave key shapes for improved typing.
4.3 Durable Keys and Stability
Keys are constructed using a two-color molded resin process (excluding some keys), ensuring that numbers and symbols do not wear off over time. Large stoppers on the base prevent the calculator from slipping during use, providing stable operation.
Figure 4.6: Detail of the two-color molded keys for durability and the large non-slip stoppers on the calculator's base.
5. Penyelenggaraan
5.1 Pembersihan
- Lap kalkulator dengan kain lembut dan kering.
- Untuk kotoran degil, sedikit dampen kain dengan air dan detergen lembut, kemudian lap kering serta-merta.
- Jangan gunakan pelarut yang kuat, pembersih yang kasar atau pembersih semburan terus ke atas kalkulator.
5.2 Penyimpanan
Simpan kalkulator di tempat yang sejuk dan kering, jauh daripada cahaya matahari langsung dan suhu yang melampau.
6. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Paparan kosong atau malap. | Cahaya yang tidak mencukupi untuk panel solar, atau bateri lemah. | Move the calculator to a well-lit area. If the problem persists, the battery may need replacement (consult service center). |
| Keputusan pengiraan yang salah. | Incorrect input, or memory function active. | Tekan AC to clear all operations. Re-enter the calculation carefully. Check if the "M" indicator is on and clear memory with MC jika perlu. |
| Kekunci tidak responsif. | Calculator may be frozen. | Tekan HIDUP/AC to reset. If problem persists, contact customer support. |
7. Spesifikasi
- model: Casio JE-12D-WE-N
- Jenama: Casio
- Digit: Paparan 12 Digit
- Fungsi: Basic arithmetic, Memory, Tax calculation, Day/Time calculation, Percentage, Square Root, Grand Total (GT)
- Kuasa: Solar and Battery (Dual Power)
- ciri-ciri: Ergonomic design, 3-key rollover, two-color molded keys, large non-slip stoppers.
8. Waranti dan Sokongan
Untuk maklumat jaminan dan sokongan pelanggan, sila rujuk kad jaminan yang disertakan dengan produk anda atau lawati laman web rasmi Casio. webtapak. Simpan resit pembelian anda sebagai bukti pembelian.
Casio Rasmi Webtapak: www.casio.com