Sony NW-E50/E70/E90 Network Walkman Operating Instructions

Operating instructions for the Sony NW-E50/E70/E90 Network Walkman portable IC audio player, covering setup, file transfer, and playback features.

Brand: SONY
Category: Digital
Document type: User Manual
Language: English
Pages: 88
File format: PDF
File size: 2 MB
Published: 20 October, 2026
Updated: 20 October, 2026
Model: NW-E50/E70/E90
MD5 checksum: D5242AA545D99AC4B24B6E7F8EB09E43
PDF: Sony NW-E50/E70/E90 Network Walkman Operating Instructions PDF

About this manual

This manual provides instructions for the Sony NW-E50/E70/E90 Network Walkman, a portable IC audio player. It details how to check package contents, insert batteries, and locate controls. The device supports MP3, WAV, and Windows Media Format audio files and features a built-in flash memory with capacities ranging from 128MB to 512MB depending on the model.

What's inside

Overview
Checking the package contents
Inserting the battery
Locating controls
Transferring audio files
Listening to music
Repeat mode
Adjusting settings
Troubleshooting
Specifications

Specifications

Built-in flash memory (NW-E50)	128MB
Built-in flash memory (NW-E70)	256MB
Built-in flash memory (NW-E90)	512MB
Continuous playback time (ATRAC3)	Approximately 70 hours
Recording time (ATRAC3plus)	More than 5 hours 50 minutes (NW-E50)

Frequently asked questions

What battery type is required for the Network Walkman?

The device requires an LR03 (size AAA) alkaline battery.

Can I play MP3 files directly from Windows Explorer?

No, MP3 files cannot be played back if dragged or copied directly on the Windows Explorer screen; the MP3 file manager software must be used.

What happens if the battery is low?

If 'LOW BATT' is displayed in the display, you need to change the battery.

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