To customize settings in the Playback or a Library screen

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

• Show notification : Shows the controller on the notification bar.

• Sleep timer : Turns off the player automatically. Tap the following options to apply 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: Off, Neutral, Expansive, Bass Boost, Treble Boost, Vocal Boost.