12 M4DDC User ManualNavigating from the TunerThe M4DDC employs a simple 3-button user interface. UP or DOWN arrow buttons toggle througheach of the HomeScreens in both directions (Main, Network Settings, Headphone Adjustment, LCDContrast Adjustment, and About) Press center ENTER button to Enter / Save.Main HomeScreen Headphone AdjustmentNetwork Settings LCD Contrast AdjustmentM4DDC Operating Description - Controls and IndicatorsFront PanelFigure 6Toggle arrows Up or Down fromthe front panel to navigate throughthe HomeScreens