To customize settings in the Playback or a Library screen

Tap the Menu Key > Settings while viewing a Playback screen or a Library screen.

• Show notification Shows the controller on the Notifications panel.

• Sleep timer Turns off the Music Player automatically. Select from the following: Off, After 10 minutes, After 20 minutes, After 30 minutes, After 1 hour, After 2 hours

• Dolby Mobile Applies the following sound effect (Dolby) options: Off, Neutral, Expansive, Bass Boost, Treble Boost, Vocal Boost.