Record in STEP RECORDING mode

1. ComboHold [RECORD] and press [STOP] to enter STEP RECORDING (the [RECORD] key double-blinks).
2. PressPress a [TRIG] key to select the active step (TRIG_1 shown); use [LEFT]/[RIGHT] to move the step.
3. ComboHold [FUNC] and press a [TRIG 1–12] key to add a note trig on that track; the active step advances.
4. PressPress [NO] to remove a trig / add a rest at the active step (it then advances).
5. PressPress [RECORD] to exit STEP RECORDING.

Result: Note trigs are entered step by step.

Source: manual §9.3