Sony NWZ-S615FSLV - Manual (Page 45)

Viewing File Properties
When you select a media file, information is displayed at the top of the PC pane.
Right-click a selected file in the PC or WALKMAN pane and choose Properties from the shortcut menu to display
the Properties window, where you can view additional information about the selected file.
Notes:
 If information is not available, a - is displayed.
 The File Size value reflects the actual size of the file on disk, which can be different from the file size
displayed in the PC pane. The file size displayed in the PC pane is an estimate of the encoded file
size.
Page 45