See also:

Controls
Controls 1 Control Display 2 Controller with buttons The buttons can be used to open the menus directly. The controller can be used to select menu items and create the settings. ...

Opening
Pull on the opener and fold the cooler forward. ...

Treble, bass, balance, and fader
▷ "Treble": treble adjustment. ▷ "Bass": depth adjustment. ▷ "Balance": left/right volume distribution. ▷ "Fader": front/rear volume ...