Nikon 1 J5 Reference Manual page 155

To
Delete
pictures
D
Maintaining Burst Files
Removing the "NCCONLST.LST" file from the "NCFL" folder on the
memory card or renaming the individual files in a burst or series will
break the link between the files and the key frame or best shot. The
affected files will play back as individual images unassociated with a
burst or series.
A
See Also
See page 152 for information on choosing how bursts are displayed.
Use
A menu will be displayed; choose This
image to delete the current image or All
but selected frame (or All except best
O
shot in the case of images taken with the
Smart Photo Selector) to delete all images
except the key frame or best shot.
Description
I
133