1. Introduction
Thank you for choosing the XHDATA D-368 Portable Stereo Radio. This device offers a versatile listening experience with FM, AM, and Shortwave (SW) radio bands, MP3 playback via USB and TF card, and Bluetooth connectivity. Its compact and portable design makes it ideal for various environments, from home to outdoor activities.
Figure 1: XHDATA D-368 Portable Stereo Radio highlighting key features.
Figure 2: Compact dimensions of the D-368 radio (140mm x 80mm).
2. Package Contents
Please check the package for the following items:
- XHDATA D-368 Portable Stereo Radio
- USB Charging Cable
- User Manual (this document)
Figure 3: Radio and included USB charging cable.
3. Product Overview
3.1 Function Button Description
- Mode switch
- Previous key (KK)
- Play/pause key (DII)
- Next key (>>)
- DC 5V Input socket
- Charging LED/Tuning LED
- TF card socket
- USB socket
- Radio tuning button
- Power/function switch
- Volume button
- Radio band button
- Antenna
- Stereo headphone jack
- Stereo LED
Figure 4: Front panel controls and display.
Figure 5: Side panel ports (USB, TF, DC 5V IN, headphone jack).
4. Setup
4.1 Battery Installation
The XHDATA D-368 uses a rechargeable 18650 battery. To install or replace the battery:
- Locate the battery compartment on the back of the radio.
- Slide the battery cover open.
- Insert the 18650 battery, ensuring correct polarity (+/-).
- Close the battery cover securely.
Figure 6: Battery compartment and specifications label.
Figure 7: Battery installed in the compartment.
4.2 Charging Function Operation
To charge the radio:
- Plug the charging cable into the "DC 5V IN" charging port (5) on the radio.
- Connect the other end of the USB cable to a 5V USB output port of a mobile phone adapter or a computer USB port.
- The "CHARGE" LED (6) will illuminate red during charging.
- When the battery is fully charged, the LED will turn off.
Figure 8: Radio connected for charging, with the red CHARGE indicator on.
5. Operating Instructions
5.1 Radio Function Operation
- Turn the power switch (10) to the "RADIO" gear and adjust the volume using the volume button (11).
- Push the band switch (12) to select your desired band (FM1, FM2, AM, SW).
- When listening to FM or SW bands, pull out the rod antenna (13) and adjust it for the best receiving angle. The antenna length is approximately 21.6 inches (55 cm).
- When listening to AM band, rotate the body of the radio to adjust for the best receiving angle.
- Turn the tuning button (9) slowly to select a radio station. The "TUNING" LED (6) will light up when a station is tuned in.
Figure 9: Radio frequency bands and ranges.
Figure 10: Extended antenna for improved reception.
FM Stereo Operation
Plug in stereo headphones into the stereo headphone jack (14) during FM radio playback. When the stereo LED (15) is on, you can enjoy stereo music.
5.2 USB/TF MP3 Playing Function
- Turn the power switch (10) to "MP3/BT" and adjust the volume (11).
- Insert a USB drive into the USB socket (8) or a TF card into the TF card socket (7). The machine will automatically start playing MP3 files.
- Short press the Previous (2) or Next (4) button to select the previous or next song.
- Long press the Previous (2) or Next (4) button for fast reverse or fast forward function.
- Short press the Play/Pause (3) button to pause playback. Press again to resume.
- Long press the Play/Pause (3) button for 3 seconds:
- When "ONE" is displayed, it is in single play (repeat current song) status.
- Long press again, and "ALL" is displayed, indicating all play (repeat all songs) status.
Figure 11: USB and headphone connections for MP3 playback.
5.3 Wireless Bluetooth Play Function
- Turn the power switch (10) to "MP3/BT" and adjust the volume (11).
- If no USB or TF card is plugged in, the radio will default to Bluetooth mode. The display will show "BLUE".
- On your mobile phone or other Bluetooth device, search for "D-368" in the Bluetooth settings and connect.
- Once connected, you can play audio from your device through the radio.
- Short press the Previous (2) or Next (4) button to select the previous or next song on your connected device.
- Long press the Play/Pause (3) button for 3 seconds to forcibly disconnect the currently connected device. Press it again to restore the connection.
Figure 12: Bluetooth pairing with a mobile device.
Figure 13: Radio display showing "BLUE" for Bluetooth mode.
6. Maintenance
- Keep the radio dry. If it gets wet, wipe it dry immediately.
- Use a soft, dry cloth to clean the exterior of the radio. Do not use harsh chemicals or abrasive cleaners.
- Avoid exposing the radio to extreme temperatures, direct sunlight, or high humidity.
- Do not drop or subject the radio to strong impacts.
- When not in use for extended periods, remove the battery to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Radio does not power on. | Battery is low or not installed correctly. | Charge the battery or ensure it is installed with correct polarity. |
| Poor radio reception (FM/SW). | Antenna not extended or positioned incorrectly. Interference from electronic devices. | Fully extend and adjust the rod antenna. Move away from sources of interference. |
| Poor radio reception (AM). | Radio body not oriented correctly. Interference. | Rotate the radio body for optimal reception. Try listening at night for better AM/SW reception. |
| Bluetooth not connecting. | Radio not in Bluetooth mode. Device not discoverable. Already connected to another device. | Ensure radio is in "MP3/BT" mode without USB/TF card. Make sure your device's Bluetooth is on and discoverable. Long press Play/Pause to disconnect previous device. |
| MP3 playback issues. | USB/TF card not inserted correctly or corrupted files. | Ensure USB/TF card is fully inserted. Check if files are in MP3 format. Try another USB/TF card. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | XHDATA |
| Model Number | D-368 |
| Type | AM / FM, SW (12 Bands Stereo Radio) |
| FM1 Frequency | 87-108 MHz |
| FM2 Frequency | 64-108 MHz |
| AM Frequency | 522-1620 KHz (9KHz step) / 520-1720 KHz (10KHz step) |
| SW Frequency | 4.75-22.0 MHz (SW1-9) |
| Bluetooth | Yes (Bluetooth 5.0) |
| MP3 Playback | USB, TF Card |
| Speaker | Built-In Speaker, 4Ω 3W |
| Power Supply | Rechargeable Battery Pack (DC: 3.7V 18650) |
| Charging Input | DC IN: 5V 1000mA |
| Battery Included | Yes |
| Dimensions (WxHxD) | 5.1*1.2*3.14 inches (approx. 130mm x 30mm x 80mm) |
| Antenna Length | 21.6 inches / 55 cm (extended) |
| Certification | CE |
9. User Tips
- **Battery Life:** The included 2000mAh battery provides good endurance. One user reported approximately 5 hours of playback on MP3 mode.
- **Reception:** For AM and Shortwave (SW) bands, reception can often be better at night. Experiment with antenna positioning and radio orientation for optimal signal.
- **Charging:** You can use a standard USB charger (like those for mobile phones) with a 5V output to charge the radio. Avoid using fast chargers that might exceed the specified 5V 1000mA input.
- **Sound Quality:** The headphone stereo sound quality is noted to be exceptionally good by users.
10. Additional Resources
10.1 Product Demonstration Video
Video 1: A short demonstration of the XHDATA D-368 radio's features, including radio modes, controls, and connectivity options like Bluetooth and USB/TF playback.
10.2 PDF User Manual
A PDF version of the user manual is available for download. This document contains detailed instructions and diagrams for the XHDATA D-368 radio.
Reference the official PDF: XHDATA D-368 User Manual (PDF)
11. Warranty and Support
For technical support, warranty inquiries, or other assistance, please contact XHDATA directly:
- **Email:** xhdatacn@gmail.com
- **Skype:** radiwow
- **Facebook:** XHDATA
- **Website:** https://www.xhdata.com.cn
- **Whatsapp:** +86 18025193267
Please retain your proof of purchase for warranty claims.