D-NE10 is a portable CD player produced by Sony Corporation, supporting ATRAC3plus, ATRAC3 and MP3 formats
This manual covers safety precautions, installation steps, and detailed operation of the Sony D-NE10 Walkman CD player. It explains how to insert CDs, connect the device, and use playback functions such as repeat, shuffle, and playlist creation.\n\nAdditional sections describe battery usage, power‑saving features, equalizer settings, supported audio formats, technical specifications, and troubleshooting tips to help users maintain optimal performance. This manual is written in Japanese.