Nobsound Mini FM Radio Transistor User Manual

1. Introduction

This manual provides detailed instructions for the Nobsound Mini FM Radio Transistor, model DZ102-2024. This compact and versatile FM radio is designed for global use, featuring automatic and manual station search, a digital display, and flexible power options. Please read this manual thoroughly before operating the device to ensure proper use and longevity.

2. Safety Information

Important Safety Tips:

• It is not recommended to connect headphones to the 3.5mm output. The sound effect may not be optimal, and the volume cannot be adjusted through the device when headphones are connected.
• A DC 5V power adapter is required for operation and is not included in the package. Please ensure you use a compatible power adapter (200mA recommended).
• Do not expose the device to water or excessive moisture.
• Avoid dropping or subjecting the device to strong impacts.
• Do not attempt to disassemble or repair the device yourself. Refer to qualified personnel for service.

3. Product Overview

3.1. Package Contents

Upon unboxing, please verify that all items listed below are present:

• 1x Nobsound Mini FM Radio Tuner
• 1x 3.5mm to RCA Cable
• 1x USB Cable (Type-C)
• 1x 3.5mm Cable
• 1x FM Antenna

3.2. Device Layout and Controls

• Multifunctional Knob:
  • Rotate: Adjusts volume or selects stations.
  • Short Press: Enters volume adjustment mode.
  • Long Press: Enters manual selection station mode.
• ATS Button: (Automatic Search Station)
  • Long Press: Initiates automatic station search.
  • Short Press: Turns the display screen light on for 6 seconds.
• VHF Button:
  • Short Press: Saves the currently selected station.
  • Long Press: Selects the FM frequency range (87-108MHz, 76-108MHz, or 64-108MHz).
• FM Antenna Interface (ANT): Connect the included FM antenna here.
• DC 5V IN (Type-C): Power input port for the device.
• 3.5mm Audio Output (AUDIO OUT): Connect to external audio devices like preamplifiers or amplifiers.

4. Setup

1. Connect the FM Antenna: Insert the provided FM antenna into the "ANT" interface on the rear of the radio. Extend the antenna fully for optimal reception.
2. Connect Power: Use the included USB Type-C cable to connect the "DC 5V IN" port on the radio to a compatible DC 5V (200mA) power adapter (not included) or a USB power source.
3. Connect Audio Output (Optional): If connecting to an external audio system, use the 3.5mm to RCA cable or a 3.5mm cable to connect the "AUDIO OUT" port on the radio to the audio input of your amplifier or preamplifier.

5. Operating Instructions

5.1. Power On/Off

The device powers on automatically when connected to a power source. To turn off the display, short press the ATS button. The radio will remain active.

5.2. Automatic Station Search (ATS)

To automatically search for and store available FM stations:

1. Ensure the antenna is properly connected and extended.
2. Long press the ATS button. The radio will begin scanning and storing stations with strong signals.
3. The scanning process will display the frequencies as it searches. Once complete, it will stop on the first found station.

5.3. Manual Station Selection and Storage

1. Enter Manual Mode: Long press the Multifunctional Knob. The display will indicate manual tuning mode.
2. Tune Frequency: Rotate the Multifunctional Knob to manually adjust the frequency to your desired station.
3. Save Station: Once you have tuned to the desired frequency, short press the VHF button to save the station.

5.4. Adjusting Volume

To adjust the volume:

1. Short press the Multifunctional Knob to enter volume adjustment mode.
2. Rotate the Multifunctional Knob to increase or decrease the volume.
3. The display will show the volume level.

5.5. Selecting Frequency Range

The Nobsound Mini FM Radio supports three global frequency ranges:

• 87-108MHz
• 76-108MHz
• 64-108MHz

To change the frequency range, long press the VHF button. Each long press will cycle through the available frequency groups.

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the radio. Do not use liquid cleaners or aerosols.
• Storage: When not in use for extended periods, store the radio in a cool, dry place away from direct sunlight and extreme temperatures.
• Antenna Care: Handle the antenna gently to prevent bending or breaking.

7. Troubleshooting

8. Specifications

9. Warranty and Support

For warranty information and technical support, please refer to the official Nobsound website or contact your retailer. Keep your purchase receipt for warranty claims.

For further assistance, you may visit the Nobsound store on Amazon: Nobsound Amazon Store