AMNVOLT ATS MINI V3S SI4732 Full Band DSP Radio

1. Introducció

The AMNVOLT ATS MINI V3S is a compact and versatile full-band DSP radio receiver, featuring the SI4732 chip and an ESP32-S3 main controller. This manual provides essential information for setting up, operating, and maintaining your radio to ensure optimal performance and longevity. The V3S model incorporates an upgraded ABS injection-molded shell for enhanced durability and optimized circuitry to eliminate battery drain issues.

Figure 1: AMNVOLT ATS MINI V3S Radio Overview

2. Contingut del paquet

Abans de continuar amb la configuració, verifiqueu que tots els elements estiguin presents al paquet:

• 1 x AMNVOLT ATS MINI V3S SI4732 Radio
• 1 x Antenna (either Telescopic or Loop antenna, depending on your selection)

Note: Each package contains only one type of antenna. Please confirm your selection.

3. Guia de configuració

3.1. Connexió d'antena

1. Locate the SMA-KE antenna port on your radio.
2. Carefully screw in the provided telescopic or loop antenna into the port. Ensure it is securely fastened but do not overtighten.

3.2. Carregant la bateria

The radio is equipped with an 800mAh certified battery. For initial use, it is recommended to fully charge the device.

1. Connect the provided Type-C USB cable to the radio's Type-C port.
2. Connect the other end of the cable to a standard 5V USB power adapter (not included).
3. The screen will indicate charging status. A full charge ensures optimal operating time.

3.3. Engegada inicial

1. Press and hold the power button (usually integrated with the encoder) to turn on the radio.
2. If prompted to reset EEPROM, press and hold the ENC button as indicated on the screen.

Figure 2: Key Interfaces: Type-C, Headphone, Encoder, SMA Antenna

4. Instruccions de funcionament

4.1. Controls bàsics

• Pom codificador: Used for tuning frequencies, adjusting volume, and navigating menus. Pressing the encoder often confirms selections or acts as a power button.
• Pantalla de visualització: The 1.9-inch IPS HD screen shows frequency, mode, battery level, and menu options.

4.2. Modes and Frequency Ranges

The radio supports the following modes and frequency ranges:

• Modes: AM, FM, LSB, USB
• Rangs de freqüència:
  • LW/MW/SW: 150kHz - 30MHz
  • VHF: 64MHz - 108MHz

Note: This radio does not support Air Band frequencies.

4.3. Funcions d'àudio

• Ponent: Features a 1W high-quality cavity speaker for clear sound.
• Sortida d'auriculars: A 3.5mm stereo audio interface with a dedicated headphone amplifier circuit provides significantly louder and clearer audio compared to generic models.
• Hi-Z Circuit: The built-in Hi-Z circuit enhances weak signal resolution, improving reception quality.

4.4. Pantalla i configuració

The 1.9-inch IPS HD screen (170x320 resolution) offers a detailed menu and setting functions:

• Ajust de brillantor: Ajusteu la brillantor de la pantalla per a una visibilitat òptima en diverses condicions d'il·luminació.
• Real-time Battery Level: Monitor the battery status directly on the screen.
• Ajust de l'amplada de banda: Fine-tune the reception bandwidth for different signals.
• Ajust ràpid del volum: Easily control the audio output level.
• AGC ATT Setting: Adjust Automatic Gain Control and Attenuation settings for improved signal handling.

Figure 3: High Playability with Detailed Menu and Settings

5. Manteniment

5.1. Neteja

Wipe the radio with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners, which can damage the ABS shell and screen.

5.2. Cura de la bateria

To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, especially if it will be stored for an extended period. The V3S model features optimized circuitry to prevent battery drain when shut down.

5.3. Emmagatzematge

Store the radio in a cool, dry place away from direct sunlight and extreme temperatures. Disconnect the antenna if storing for long periods.

5.4. Actualitzacions de firmware

The radio supports firmware updates. Users can update the device to the latest firmware version independently. Refer to the official AMNVOLT website or support resources for detailed instructions on how to perform firmware updates.

Figure 4: Open Source System with Support for Firmware Updates

6. Solució De Problemes

• Battery Drain Issue: The V3S model has optimized circuitry to resolve previous battery drain issues. If you experience unexpected battery depletion, ensure the device is fully powered off and not in standby mode.
• Weak Signal Reception: The built-in Hi-Z circuit is designed to enhance weak signal resolution. If reception is still poor, consider using a higher-quality external antenna. The provided antenna is for entry-level use.
• Muffled/Inaudible Headphone Audio: The V3S features a dedicated headphone amplifier. If you experience issues, ensure your headphones are properly connected and the volume is adjusted.
• Encoder Not Responding: Avoid pressing the encoder forcefully. If the encoder becomes unresponsive, try restarting the device. If the issue persists, a factory reset (if available in firmware) or contacting support may be necessary.
• No Air Band Reception: This model does not support Air Band frequencies. This is a design specification, not a malfunction.
• Display Not Turning Off Automatically: Check your radio's settings for display timeout options. Firmware updates may also introduce or modify such features.

7. Especificacions

Figure 5: ESP32-S3 Main Control + SI4732 DSP Chip

8. Consells d'usuari

• Actualització de l'antena: For significantly better reception, especially for distant or weak signals, consider investing in a higher-quality external antenna. The included antenna is suitable for basic use.
• Encoder Handling: The encoder is a sensitive component. Operate it gently to prevent damage and ensure its longevity.
• Actualitzacions de firmware: Regularly check for and install official firmware updates. These updates can introduce new features, improve performance, and fix bugs.
• Càrrega inicial de la bateria: Although the battery is guaranteed to be in good condition upon arrival, it may not be fully charged due to transportation safety regulations. A full charge before first use is recommended.
• Portabilitat: The compact design makes the V3S an excellent companion for outdoor activities like hiking and camping.

Figure 6: Easy to Carry, Good Outdoor Companion

9. Garantia i Suport

For any technical assistance, warranty claims, or support inquiries, please contact the AMNVOLT customer service or the seller directly. Keep your purchase receipt as proof of purchase.