To customize settings in the Playback or a Library screen

Tap (or press) the Menu Key > Settings in the Music Library or the Playback screen.

• Show notification: Checkmark this setting to show the controller on the Notifications panel.

• Sleep timer: Turns off the player automatically. Choose from the following options to activate the sleep timer: Off, After 10 min, After 20 min, After 30 min, After 1 h, After 2 h.

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