Nikon D780 Reference Manual page 760

2
Choose a destination.
•
If two memory cards are inserted,
you can choose a destination for
the retouched copies by
highlighting [Choose destination]
and pressing 2 .
•
[Choose destination] is not
available when only one memory card is inserted. Proceed
to Step 3.
• Press 1 or 3 to highlight a card slot
and press J .
714 Menu Guide > N The Retouch Menu