1. Introduction
The XHDATA D-328 is a versatile 12-band portable radio featuring AM/FM/SW reception, DSP technology for enhanced signal processing, an integrated MP3 player with TF card support, and a USB mini receiver. This radio is designed for high sensitivity, selectivity, and stability, offering an improved signal-to-noise ratio and interference resistance. It utilizes an economical and environmentally friendly lithium battery for power.
Key Features:
- Full-band radio with advanced US radio technology
- Simple mechanical switch for function and band selection
- Traditional analogue frequency display to reduce electromagnetic interference
- Economical and environmentally friendly lithium battery
- 3.5mm headphone jack
- Breakpoint memory during MP3 playback
- LED digital display during MP3 playback
- High-quality speaker with PU edge for clear sound
2. Package Contents
Please check the box for the following items:
- XHDATA D-328 Portable Radio
- USB Charging Cable
- Hand Strap
- User Manual
Image: Contents of the XHDATA D-328 retail package.
3. Setup
3.1 Battery Installation
- Locate the battery compartment on the back of the radio.
- Open the battery compartment cover.
- Insert the provided BL-5C lithium battery, ensuring the polarity is correct. Incorrect insertion can damage the device.
- Close the battery compartment cover securely.
Image: Illustration of inserting the BL-5C lithium battery into the battery compartment.
3.2 Charging the Battery
Before first use, fully charge the battery. A full charge typically takes 6 to 8 hours.
- Connect the small end of the USB charging cable to the DC 5V/500mA jack on the radio.
- Connect the other end of the USB cable to a compatible USB power adapter (5V / at least 500mA or 1A, not included) or a computer USB port.
- The charging LED indicator will light up during charging. It will turn off when the battery is fully charged.
Note: For safe and quick charging, use a 5V/500mA or 5V/1A charger. A stronger charger may charge the battery faster. If the charging LED does not light up, try removing and reinserting the battery while the USB cable is connected, or try a different wattage charger.
3.3 TF Card Insertion
The radio supports TF (microSD) cards for MP3 playback.
- Locate the TF card slot on the side of the radio.
- Gently insert the TF card into the slot until it clicks into place. Ensure the card is oriented correctly.
- To remove, push the TF card inward until it springs out.
Image: Demonstrating the insertion of a TF card into the dedicated slot.
4. Operating Instructions
4.1 Controls Overview
Image: Detailed diagram of the XHDATA D-328 radio with all controls and ports labeled.
- DC 5V/500 mA jack: Power input for charging (with charging LED indicator).
- Function switch: Selects between MP3 playback, OFF, and RADIO modes.
- TF card: Slot for microSD cards to play MP3 audio files.
- MP3 play key: Controls MP3 playback (play/pause, next/previous track).
- Selection button: Tuning knob for selecting radio stations.
- Volume adjust: Rotary knob to control the audio output level.
- Earphone jack: Standard 3.5mm output for headphones.
- Band switch: Selects between FM, AM, and SW radio bands.
- Battery compartment: Houses the BL-5C lithium battery.
4.2 Radio Operation
- Power On: Move the Function switch (2) to the "RADIO" position.
- Select Band: Use the Band switch (8) to select your desired frequency band (FM, AM, or SW).
- Adjust Volume: Rotate the Volume adjust knob (6) to set the desired listening volume.
- Tune Stations: Slowly rotate the Selection button (5) to scan for radio stations. The radio broadcast sound will become clear when a strong signal is received.
- Antenna Adjustment (FM/SW): For FM and SW broadcasts, pull out the telescopic antenna and rotate it for optimal reception.
- Antenna Adjustment (AM): For AM broadcasts, rotate the entire radio body to achieve the best reception effect.
4.3 MP3 Playback
- Insert TF Card: Ensure a TF card with MP3 audio files is inserted into the TF card slot (3).
- Power On: Move the Function switch (2) to the "MP3" position.
- The radio will automatically begin playing MP3 files from the TF card.
- Use the MP3 play key (4) to control playback (e.g., play/pause, skip tracks).
5. Maintenance
5.1 Battery Care
- If the radio will not be used for an extended period, remove the lithium battery from the compartment.
- Store the battery in a cool, dry place.
- Recharge the battery at least once every two months to maintain its lifespan.
5.2 Cleaning
- Wipe the radio's exterior with a soft, dry cloth.
- Do not use abrasive cleaners, solvents, or strong chemicals, as they may damage the surface.
- Keep the device away from water and excessive moisture.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Low or distorted sound, MP3 playback restarts, or unit turns off automatically. | Battery is low. | Charge the device immediately. |
| Charging LED indicator does not light up. | Battery connection issue or charger incompatibility. | While the USB cable is connected, remove and reinsert the battery. Try a different USB charger (e.g., a lower wattage charger like 25W instead of 65W). |
| Poor radio reception. | Antenna not extended/oriented correctly, or weak signal area. | Extend and rotate the telescopic antenna for FM/SW. Rotate the radio body for AM. Try moving to a different location. |
| MP3 files not playing. | TF card not inserted correctly, or files are not in MP3 format. | Ensure TF card is fully inserted. Verify files are in MP3 format. Try a different TF card. |
7. Specifications
| Feature | Specification |
|---|---|
| Brand | XHDATA |
| Model | D-328 |
| Frequency Range | FM1/FM2: 87-108 MHz / 64-87 MHz AM: 520-1620 KHz SW1-9: 4.75-22 MHz |
| Sensitivity | FM: >3 µV AM: >1 mV/m SW: >20 µV |
| Speaker | 4 Ω / 3W |
| Output Power | 1.5W (RMS) |
| DC Input | 5V / 500mA |
| Earphone Jack | Standard 3.5mm |
| TF Card Support | MP3 audio format decoding |
| Power Supply | Rechargeable Battery Pack (BL-5C Lithium Battery) |
| Dimensions (WxHxD) | 12.3 x 7.5 x 2.8 cm |
| Body Material | Plastic |
| Bluetooth | Yes (Note: Operational details not provided in this manual) |
| WIFI | No |
| Screen | No |
| Certification | CE |
| Color | Black |
8. User Tips
- Charging Tip: If the red charging LED doesn't light up, try removing and reinserting the battery while the USB cable is connected. Also, experiment with different wattage chargers (e.g., 25W instead of 65W) as the radio can be particular about charging sources.
- Shortwave Reception: For optimal shortwave (SW) reception, try listening during nighttime hours.
- Audio Output: The radio's audio output is mono, even when using headphones. Both channels will play through each side of your headphones without stereo separation.
9. Frequently Asked Questions (FAQ)
- Q: What type of battery does it use?
- A: The XHDATA D-328 uses a BL-5C Lithium Battery.
- Q: Does this work with micro-SD cards?
- A: Yes, it supports TF cards, which are commonly known as microSD cards.
- Q: Does it work with Bluetooth headphones?
- A: While the product specifications indicate Bluetooth is present, this manual does not provide operational details for connecting to Bluetooth headphones. Please refer to the official PDF manual for any further information.
10. Warranty and Support
For warranty information, technical support, or further inquiries, please refer to the documentation provided with your purchase or contact the seller directly.
For a complete version of the user manual, please refer to the official PDF document: XHDATA D-328 User Manual (PDF)