Using the VOL (Volume) +/- button
Adjust the master volume quickly using the VOL (Volume) +/- button () on your Walkman. For more customized volume control, see “Adjusting the volume.”
Hint
- If there is no sound even if you press the VOL (Volume) + button, tap - [Settings] - [ Sound] - [Volumes], and then slide [Music, video, games, & other media] to turn up the volume.