Pioneer SPH-DA02 Operation Manual page 65

General settings
From the General settings screen the following settings can
be accessed: language display, keyboard layout, date-time ,
subwoofer output.
If you tap @ on the Home screen and tap [General], the
General settings screen is displayed.
Audio settings
From the Audio settings screen, audio settings including
sound quality adjustment and in-car sound field (fader/
balance) can be accessed.
If you tap@ on the Home screen and tap [Audio Settings],
the Audio settings screen is displayed.