SI4732 Mini Radio Instruction Manual

1. Introducció

Gràcies per la compraasing 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.

Please read this manual thoroughly before using the device and keep it for future reference.

Informació de seguretat

• Do not expose the radio to extreme temperatures, direct sunlight, or high humidity.
• Eviteu deixar caure la ràdio ni sotmetre-la a impactes forts.
• Do not attempt to disassemble or modify the radio. This will void the warranty and may cause damage.
• Keep the radio away from water and other liquids.
• Use only the specified charging method (Type-C, non-fast charging).

2. Producte acabatview

2.1 Components

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)
• Guia d'inici ràpid

Figura 2.1: Frontal view of the SI4732 Mini Radio, showing the display, control knob, and extended telescopic antenna.

2.2 Característiques clau

• Tecnologia avançada: 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.
• Durada de la bateria de llarga durada: 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.
• Disseny durador: 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. Configuració

3.1 Càrrega de la bateria

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 Col·locació de l'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 Encès inicial

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. Instruccions de funcionament

4.1 Controls bàsics

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.

• Girar el botó: Ajusta la freqüència o navega per les opcions del menú.
• 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 Sintonització d'emissores

The radio supports multiple bands and modes:

• AM (Amplitude Modulation): 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 Ajust del volum

While listening, rotate the control knob to adjust the volume level. The current volume level will be displayed on the screen.

4.4 Ús del connector per a auriculars

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 Mostra informació

The 1.9-inch IPS HD color screen provides real-time information, including:

• Freqüència actual
• Selected Band (e.g., 10M)
• Operating Mode (AM, FM, LSB, USB)
• Indicador de força del senyal
• Nivell de volum
• Indicador de nivell de bateria
• RDS (Radio Data System) information for FM stations, if available.

5. Manteniment

5.1 Neteja

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 i pantalla.

5.2 Emmagatzematge

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 Cura de la bateria

To prolong the life of the built-in 800mAh battery:

• Avoid completely draining the battery regularly.
• Do not leave the radio connected to a charger for excessively long periods after it is fully charged.
• Carregueu la bateria a temperatura ambient.

6. Solució De Problemes

If you encounter issues with your SI4732 Mini Radio, please refer to the following table for common problems and their solutions:

7. Especificacions

Detailed technical specifications for the SI4732 Mini Radio:

Figure 7.1: Physical dimensions of the SI4732 Mini Radio.

8. Garantia i Suport

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.

Si us plau, conserveu el comprovant de compra per motius de garantia.