Nikon Z 9 Reference Manual page 548

•
Choose an interval priority option.
•
Choose whether the camera focuses between shots.
- If [ON] is selected for [Focus before each shot], the camera will
focus before each shot according to the option currently
selected for focus mode.
C The Photo Shooting Menu: Shooting Options
548
Highlight [Interval
priority] and press 2 to
select [ON] or [OFF].
Highlight [Focus before
each shot] and press 2
to select [ON] or [OFF].