KORG PA4X 76 - Manual (Page 24)

20| Let’s start!
Players area
Songs can be played back by the two onboard Players (see page 73).
Sounds (and Set Lists) area
Sounds are what you can play on the keyboard (see page 45). Here you
can choose Sound sets saved as Keyboard Sets in a dedicated library. Or you
can choose Set Lists from the SongBook, that are collections of Sound sets
with an associated Style or Song(s).
Navigation area
Use these controls to go through the menus, pages and parameters, and
search for the various musical resources (see page 30).