Nikon D780 DSLR Camera (Body Only) - Manual (Page 354)

308 Other Shooting Options
3
Start shooting.
Highlight [ Start ] and press J . The
first series of shots will be taken at
the specified starting time, or after
about 3 s if [
Now ] was selected for
[ Choose start day/time ] in Step 2.
Shooting will continue at the selected interval until all shots
have been taken.