1. Pengenalan
Terima kasih kerana membeliasing the SI4732 Mini Radio. This portable radio is designed to provide comprehensive reception across various bands, including AM, FM, LSB, and USB, with a clear color display and long-lasting battery. This manual provides detailed instructions for setting up, operating, and maintaining your radio to ensure optimal performance and longevity.
Sila baca manual ini dengan teliti sebelum menggunakan peranti ini dan simpannya untuk rujukan pada masa hadapan.
Maklumat Keselamatan
- Jangan dedahkan radio kepada suhu yang melampau, cahaya matahari langsung atau kelembapan yang tinggi.
- Elakkan daripada menjatuhkan atau menyebabkan radio terkena impak yang kuat.
- Jangan cuba membuka atau mengubah suai radio. Ini akan membatalkan jaminan dan boleh menyebabkan kerosakan.
- Keep the radio away from water and other liquids.
- Use only the specified charging method (Type-C, non-fast charging).
2. Produk Lebihview
2.1 Komponen
The SI4732 Mini Radio package includes the following components:
- SI4732 Mini Radio Unit
- 70cm Portable Telescopic Antenna
- USB Type-C Charging Cable (not for fast charging)
- Panduan Mula Pantas
Rajah 2.1: Depan view of the SI4732 Mini Radio, showing the display, control knob, and extended telescopic antenna.
2.2 Ciri-ciri Utama
- Teknologi Lanjutan: Powered by the ESP32-S3 main control unit with a 1.9-inch IPS HD color screen for clear and vibrant display.
- Comprehensive Band Support: Equipped with the SI4732 DSP chip, supporting LSB, USB, AM, and FM modes across all broadcast bands.
- Hayat Bateri Tahan Lama: Features an 800mAh built-in battery, providing over 10 hours of continuous playtime.
- Enhanced Reception: Includes a 70cm portable telescopic antenna for excellent signal reception.
- Reka bentuk tahan lasak: Robust PETG 3D printed casing ensures durability and a lightweight design.
Figure 2.2: The SI4732 Mini Radio's compact design, suitable for various environments.
3. Persediaan
3.1 Mengecas Bateri
Before first use, fully charge the radio's internal 800mAh battery. Connect the provided USB Type-C cable to the charging port on the radio and the other end to a standard USB power adapter (not included). The screen will indicate charging status. A full charge provides over 10 hours of operation.
Note: This device does not support fast charging. Using a fast charger may damage the battery.
Figure 3.1: The radio's built-in 800mAh battery provides extended playtime.
3.2 Memasang Antena
Screw the 70cm portable telescopic antenna into the SMA connector on the top of the radio. Extend the antenna fully for optimal reception, especially for FM and shortwave bands. For local AM broadcasts, the internal ferrite antenna is often sufficient, and the telescopic antenna may not need to be extended.
Figure 3.2: The telescopic antenna attached to the radio.
3.3 Kuasa Awal Hidup
Press and hold the control knob (usually located on the right side) for a few seconds to power on the radio. The IPS HD color screen will light up, displaying the current frequency, mode, and other relevant information.
4. Arahan Operasi
4.1 Kawalan Asas
The radio is primarily controlled by a single multi-function encoder knob. This knob can be rotated to adjust frequency or volume, and pressed to select options or change modes.
- Rotate Knob: Melaraskan kekerapan atau menavigasi pilihan menu.
- Press Knob (Short Press): Confirms selection, changes tuning step, or cycles through modes depending on context.
- Press Knob (Long Press): Powers on/off, or enters/exits menu settings.
4.2 Menala ke Stesen
The radio supports multiple bands and modes:
- pagi (AmpModulasi litud): For standard broadcast radio.
- FM (Frequency Modulation): For standard broadcast radio.
- LSB (Lower Sideband): For single-sideband communications, often used in amateur radio.
- USB (Upper Sideband): For single-sideband communications, often used in amateur radio.
To change the band or mode, typically a short press of the control knob will bring up a menu or cycle through options. Rotate the knob to select the desired band/mode, then press again to confirm. Once the band/mode is set, rotate the knob to tune to the desired frequency. The display will show the current frequency.
Figure 4.1: The radio's display showing tuning information.
4.3 Melaraskan Kelantangan
While listening, rotate the control knob to adjust the volume level. The current volume level will be displayed on the screen.
4.4 Menggunakan Bicu Fon Kepala
The radio features a 3.5mm 3-band stereo audio interface. Plug your headphones into the headphone jack for private listening. The internal speaker will automatically mute when headphones are connected.
4.5 Paparan Maklumat
The 1.9-inch IPS HD color screen provides real-time information, including:
- Kekerapan Semasa
- Selected Band (e.g., 10M)
- Operating Mode (AM, FM, LSB, USB)
- Penunjuk Kekuatan Isyarat
- Tahap Kelantangan
- Penunjuk Aras Bateri
- RDS (Radio Data System) information for FM stations, if available.
Video 4.2: Demonstration of the SI4732 Mini Radio's features and display in use. This video shows the radio's compact size and its clear color screen, highlighting its portability and ease of use in various settings.
5. Penyelenggaraan
5.1 Pembersihan
To clean the radio, use a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water. Do not use abrasive cleaners, solvents, or strong chemicals, as these can damage the casing dan skrin.
5.2 Penyimpanan
When not in use for extended periods, store the radio in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to fully charge the battery before storing and to recharge it every few months to maintain battery health.
5.3 Penjagaan Bateri
To prolong the life of the built-in 800mAh battery:
- Elakkan daripada menghabiskan bateri sepenuhnya secara berkala.
- Do not leave the radio connected to a charger for excessively long periods after it is fully charged.
- Isi bateri pada suhu bilik.
6. Penyelesaian masalah
If you encounter issues with your SI4732 Mini Radio, please refer to the following table for common problems and their solutions:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Radio tidak dihidupkan. | Bateri habis. | Connect the radio to a USB power source using the provided Type-C cable and charge it. |
| Penerimaan yang lemah atau statik. | Antena tidak dilanjutkan, isyarat lemah, atau gangguan. | Fully extend the telescopic antenna. Try repositioning the radio or moving to a different location away from electronic devices that may cause interference. |
| No audio from speaker/headphones. | Volume too low, headphones not fully inserted, or faulty headphones. | Increase the volume. Ensure headphones are fully plugged in. Test with a different pair of headphones. |
| Skrin kosong atau beku. | Gangguan perisian. | Press and hold the power button (control knob) for 10-15 seconds to force a restart. If the issue persists, allow the battery to fully drain and then recharge. |
7. Spesifikasi
Detailed technical specifications for the SI4732 Mini Radio:
| Ciri | Perincian |
|---|---|
| Unit Kawalan Utama | ESP32-S3 |
| Cip DSP | SI4732 |
| Skrin | Skrin Warna IPS HD 1.9 inci |
| Band yang Disokong | LSB, USB, AM, FM (6-Band Support) |
| Antena | 70cm Portable Telescopic Antenna |
| Kapasiti Bateri | 800mAh (Terbina dalam) |
| Hayat Bateri | Over 10 hours (continuous playtime) |
| Port Pengecasan | USB Type-C (does not support fast charging) |
| Antara Muka Audio | 3.5mm 3-band stereo headphone jack |
| Dimensi Produk | 3.94 x 0.47 x 2.87 inci (10 x 1.2 x 7.3 cm) |
| Berat Barang | 4.1 auns (116 gram) |
| Casing Bahan | PETG 3D Printed Shell |
Figure 7.1: Physical dimensions of the SI4732 Mini Radio.
8. Waranti dan Sokongan
This product is manufactured by MyHouseware under the Generic brand. For any warranty claims, technical support, or inquiries not covered in this manual, please contact the seller or the manufacturer directly through your purchase platform.
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