Pioneer Dj DDJ-FLX4 Portable 2-Channel rekordbox DJ and Serato Controller (Graphite) - Manual (Page 14)

Part names and functions
14
En
 Using Serato DJ Lite
1 LOAD buttons
Press:
Load the selected track to the respective deck.
Press twice:
Load the track from the deck that isn’t playing onto the deck that is playing. If
you do this while the track is playing, it plays from the same position (Instant
Doubles).
[SHIFT] + press:
Sorts the track list in the library as follows, depending on the [LOAD] button
you press:
Deck 1: Sorts by BPM.
Deck 2: Sorts by artist name.
2 Rotary selector
Turn:
Moves the cursor up or down in the library or in the
[crates] panel.
Press:
Moves the cursor between the library and
[crates] panel each time you press
the button.
If the cursor is on the
[Files] panel, it moves to the next level down.
[SHIFT] + press:
If the cursor is on the [crates] panel, the [subcrates] panel opens or closes.
If the cursor is on the library, it moves to the [crates] panel.
If the cursor is on the [Files] panel, it moves up one level.