Sony WALKMAN NW-WM1A Help Manual page 66

If you want to import albums or artists, select a category (
Click in Media Go.
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Confirm that the import of the content is complete. Then, disconnect the Walkman from the computer.
Hint
For details on using Media Go, refer to the online help information for Media Go.
Note
Check the audio format of the content that you want to import. If Media Go does not support the audio format, the content cannot be imported.
For details on supported audio formats, refer to the online help information for Media Go.
Do not disconnect the USB cable during data transfer. Otherwise, the data may be damaged.
Imported content is limited to private use only. Use of content for other purposes requires the permission of the copyright holders.
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