AMNVOLT V3S ATS MINI SI4732 DSP Radio Receiver Instruction Manual

1. Introducció

The AMNVOLT V3S ATS MINI SI4732 DSP Radio Receiver is a compact and versatile device designed for multi-mode radio reception. It features an upgraded design, enhanced circuitry, and user-friendly operation, making it suitable for various listening environments.

Clau Advantages:

• Version Leading: Equipped with the latest upgraded version (June 2025), offering outstanding performance.
• Circuit Upgrade: Features a built-in Hi-Z circuit and a professional headphone amplifier circuit for superior signal processing.
• Shell Innovation: Utilizes an ABS injection-molded shell, providing significantly improved durability and sturdiness compared to previous 3D printed versions.
• Energy-saving Optimization: Optimized circuit design ensures minimal power consumption after shutdown, preventing battery wear and tear.

Característiques del producte:

• Rendiment: Powered by an ESP32-S3 main control and SI4732 DSP, supporting broadcasting bands including LSB/USB/AM/FM, with AGC/ATT functions. (Note: Aviation bands are not supported).
• High-definition Display: Features a 1.9-inch IPS high-definition color screen with adjustable backlight brightness and real-time battery power display.
• Qualitat de so excepcional: Equipped with a 1W power cavity speaker for clear and pleasant audio.
• Actualitzable el firmware: Supports subsequent firmware updates for continuous optimization of the user experience.
• Fàcil operació: Utilizes a rotary encoder button for simple control; all operations can be completed with a single press or rotation.
• Enhanced Headphone Ampmés viu: Auriculars incorporats amplifier circuit ensures ample volume and improved sound quality when using headphones.
• Hi-Z Technology: Integrated Hi-Z circuit effectively enhances the resolution of weak signals for clearer reception.

Figure 1: AMNVOLT V3S ATS MINI Radio highlighting its multi-mode reception capabilities and features.

2. Instruccions de configuració

1. Càrrec inicial: Before first use, please charge the device using a USB Type-C 5V 0.5A power source. The device supports overcharge and overdischarge protection. Fast charging is not supported.
2. Connexió d'antena: Connect the telescopic antenna to the SMA-KE (inner hole) antenna interface. Ensure the connection is secure but do not force it to avoid damaging the interface.
3. Encès: Locate and press the switch button to turn on the device.
4. Ajust de volum: Rotate the encoder to adjust the volume. For optimal ear and speaker protection, adjust to an appropriate level. You can also connect 3.5mm headphones to the audio interface.

Figure 2: Device interfaces including Type-C port, 3.5mm Headphone Interface, Encoder, and SMA Antenna Interface.

3. Instruccions de funcionament

The AMNVOLT V3S ATS MINI features a user-friendly interface controlled primarily by a rotary encoder button. All operations can be performed by pressing or rotating this encoder.

Funcionament bàsic:

1. Encès/apagat: Use the dedicated switch button.
2. Ajust de freqüència: Rotate the encoder to change the receiving frequency.
3. Accés al menú: Click the encoder to enter the menu page.
4. Navegació del menú: Once in the menu, rotate the encoder to scroll through options.
5. Selecció/Confirmació: Click the encoder to select a menu item or confirm a setting.

Function Configuration (Firmware Version: Ver1.01):

Note: With firmware updates, the system's interface and operation may change slightly.

Figure 3: High Playability menu and settings on the AMNVOLT V3S ATS MINI.

4. Manteniment

• Atenció general: Keep the device dry and clean. Use a soft, dry cloth for cleaning. Avoid exposing the device to extreme temperatures or humidity.
• Cura de la bateria: Always monitor the remaining battery power and charge the device promptly when the battery is low. Use only a 5V 0.5A USB Type-C power adapter for charging.
• Encoder Handling: The rotary encoder is a sensitive component. Do not press the encoder forcefully. Do not force the encoder to rotate after pressing it. Violent use can damage the encoder.
• Cura de l'antena: Handle the antenna with care. Ensure it is properly connected before use and avoid applying excessive force to prevent damage to the interface.

5. Solució De Problemes

• Device Not Turning On / Unexpected Shutdown:
    - Check battery level. Charge the device if the battery is low. Ensure you are using a 5V 0.5A USB Type-C charger.
• No Signal / Poor Reception:
    - Ensure the antenna is securely connected to the SMA-KE interface. Extend the telescopic antenna fully for better reception.
• Sense so / So distorsionat:
    - Adjust the volume using the encoder. Check if headphones are properly connected to the 3.5mm audio interface if in use.
• Encoder Malfunction:
    - If the encoder is unresponsive or behaves erratically, ensure it has not been subjected to excessive force. Refer to the maintenance section for proper handling.
• Problemes de firmware:
    - This product is open source, allowing for firmware modification. However, damage caused by unofficial firmware updates is the user's responsibility, and the seller does not assume liability for repairs in such cases.

6. Especificacions

Figure 4: Internal components and supported reception bands.

7. Consells d'usuari

• Encoder Care: Always handle the rotary encoder gently. Avoid pressing it forcefully or rotating it while pressed, as this can cause damage.
• Actualitzacions de firmware: The device supports firmware updates. For official updates and tutorials, refer to the open-source project weblloc: https://atsmini.github.io/. Be aware that unofficial firmware updates may void support and could potentially damage the device.
• Weak Signal Reception: The built-in Hi-Z circuit is designed to enhance the resolution of weak signals. For best results, ensure your antenna is fully extended and positioned optimally.
• Interval de freqüència: The radio covers LW, MW, SW (150kHz - 30MHz) and VHF (64-108Mhz). It does not support aviation bands or CB band (27 MHz) reception.

8. Garantia i Suport

For detailed information regarding your product, including comprehensive instructions and specifications, please refer to the official user manual PDF:

View Manual d'usuari (PDF)

For technical support, warranty claims, or further assistance, please contact the seller directly through your purchase platform. Please note that damage resulting from the use of unofficial firmware is not covered under warranty.