Nikon D780 DSLR Camera (Body Only) - Manual (Page 360)

314 Other Shooting Options
Ending Interval-Timer Photography
To end interval-timer photography before all the photos are
taken, select [
Off ] for [ Interval timer shooting ]. Note that the
menus may not be displayed when the G button is pressed if
the time selected for [ Interval ] is very short. In this case you will
need to press J to pause interval-timer photography and then
select [ Interval timer shooting ] in the photo shooting menu,
highlight [ Off ], and press J .