Sony CDX-G3300UV Mode D'emploi page 6

 EXTRA BASS
Reinforces bass sound in synchronization
with the volume level. Press to change
the EXTRA BASS setting: [1], [2], [OFF].
 AUX input jack
 DSPL (display)
Press to change display items.
SCRL (scroll)
Press and hold to scroll a display item.
6
GB