To customize settings in the Playback or a Library screen

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

• Show notification: Shows the controller on the Notifications panel.

• Sleep timer: Turns off the player automatically. Tap the following options to apply sleep timer: 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.