1. Introduction
This manual provides essential information for the safe and efficient use of your Sony NWE394/B Walkman MP3 Player. Please read it thoroughly before operating the device and retain it for future reference. This compact MP3 player and FM radio allows you to enjoy music and photos with ease, offering up to 35 hours of battery life.

Figure 1.1: Front view of the Sony NWE394/B Walkman MP3 Player, displaying its screen and control buttons.
2. What's in the Box
Verify that all items listed below are included in your product package:
- Walkman MP3 Player (NWE394/B)
- Earbuds
- USB Cable
- Warranty Information

Figure 2.1: The Sony NWE394/B Walkman MP3 Player shown with the included earbuds connected.
3. Setup
3.1 Initial Charging
Before first use, fully charge your Walkman. Connect the supplied USB cable to the Walkman's USB port and then to a powered USB port on your computer or a compatible USB AC adapter (not included). The battery indicator will show charging status.
3.2 Transferring Music and Files
To transfer music, photos, or other compatible files to your Walkman:
- Connect the Walkman to your computer using the supplied USB cable.
- The Walkman will appear as a removable disk drive on your computer.
- Drag and drop your desired audio or image files into the appropriate folders on the Walkman (e.g., 'MUSIC' for audio files, 'PICTURES' for images).
- Safely eject the Walkman from your computer before disconnecting the USB cable.

Figure 3.1: The Sony NWE394/B Walkman MP3 Player connected to a computer via its USB cable for charging or data transfer.
4. Operating Instructions
4.1 Basic Controls
Familiarize yourself with the main buttons on your Walkman:
- POWER: Press and hold to turn the device on or off. Press briefly to turn the screen on/off.
- HOME: Returns to the main menu screen.
- BACK: Returns to the previous screen or menu.
- OPTION: Displays context-sensitive options for the current screen.
- Control Disc (Play/Pause, Navigation): Use the center button for Play/Pause. Use the directional buttons (up, down, left, right) to navigate menus and adjust volume (up/down during playback).
- Volume +/-: Dedicated buttons on the side for adjusting playback volume.
- HOLD: Slide switch on the side to lock/unlock buttons and prevent accidental operation.

Figure 4.1: The Sony NWE394/B Walkman MP3 Player displaying its main menu interface, with icons for music, FM radio, and settings.
4.2 Playing Music
- From the Home screen, select 'Music'.
- Navigate through your music library by Artist, Album, Song, Genre, etc.
- Select a song or album and press the center button on the control disc to begin playback.
- Use the directional buttons to skip tracks or fast forward/rewind.
4.3 Using the FM Radio
- Ensure your earbuds are connected, as they act as the antenna for the FM radio.
- From the Home screen, select 'FM Radio'.
- Use the directional buttons to scan for stations or select a preset.

Figure 4.2: The Sony NWE394/B Walkman MP3 Player displaying the FM radio interface, showing station frequency.
4.4 Viewing Photos
- From the Home screen, select 'Photos'.
- Navigate through your stored images.
- Select an image to view it in full screen.
5. Maintenance
5.1 Cleaning
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or solvents, as they may damage the finish or internal components.
5.2 Battery Care
To prolong battery life, avoid exposing the device to extreme temperatures. Charge the battery regularly, even if the device is not used frequently.
5.3 Storage
When storing the device for extended periods, ensure it is fully charged and stored in a cool, dry place away from direct sunlight.
6. Troubleshooting
If you encounter issues with your Walkman, refer to the following common problems and solutions:
- Device does not power on:
Ensure the battery is charged. Connect the Walkman to a power source and allow it to charge for at least 30 minutes before attempting to power it on again. Check if the HOLD switch is engaged. - No sound during playback:
Check the volume level. Ensure earbuds are properly connected. Test with different earbuds if available. Verify that the audio files are not corrupted or in an unsupported format. - Cannot transfer files:
Ensure the USB cable is securely connected to both the Walkman and the computer. Try a different USB port or cable. Restart your computer and the Walkman. - FM radio not working:
Ensure earbuds are connected, as they function as the antenna. Try moving to an area with better signal reception.
7. Specifications
Key technical specifications for the Sony NWE394/B Walkman MP3 Player:
| Brand | Sony |
| Model Name | NWE394B |
| Model Number | NWE394/B |
| Memory Storage Capacity | 8 GB |
| Connectivity Technology | USB |
| Special Feature | FM Radio |
| Screen Size | 1.77 Inches |
| Battery Average Life | 35 Hours |
| Item Weight | 39.1 Grams |
| Item Dimensions (D x W x H) | 0.39"D x 1.69"W x 3.62"H |
| Supported Media Type | Micro SDXC (Note: While Micro SDXC is listed, the device primarily uses internal storage for music and photos.) |
| Supported Standards | MP3 |
8. Warranty and Support
8.1 Warranty Information
This Sony NWE394/B Walkman MP3 Player comes with a 1-year limited warranty from the date of purchase. Please refer to the warranty card included in your package for detailed terms and conditions.
8.2 Customer Support
For further assistance, technical support, or service inquiries, please visit the official Sony support website or contact Sony customer service in your region. Keep your proof of purchase handy when contacting support.
You can find more information and support resources on the Sony Support Website.