Song Mode

Turn value knob to find first "End" fragment (or short-press value once or twice)
Hold write + turn value knob to set fragment length

Mute/unmute tracks for fragment

See “Mute/unmute tracks in Live scene or programmed scene 1-16”

Use Fragment (mutes/unmutes/solos) in Sequencer / Track Edit mode

See "Use Live scene (mutes/unmutes/solos) in Sequencer / Track Edit mode"

Edit track Cd-A8 behavior for song fragment

See "Edit track Cd-A8 behavior, pattern #, chord lock, retriggering fx for scene"

Edit multiple tracks at once for song fragment

See "Edit multiple tracks at once for scene"

Enter/exit fragment DJ FX mode

Hold value + press 16/A8/Song

Jump between start and end fragment

Press value

Jump to last played fragment

Double-press value