Nikon 1 J5 Reference Manual page 100

Shoot.
5
Smoothly press the shutter-release
button the rest of the way down. The
20 frames recorded to the buffer in the
moments before and after the shutter-
release button was pressed all the way
down will be copied to temporary
storage, and an indicator will appear
at the top of the display.
Select up to 20 frames.
6
Press 4 or 2 to scroll through the
R
frames and press 1 or 3 to select or
deselect (the number of frames
selected by default varies with the
option selected for Frames saved
(default) in the & (feature) menu).
Selected images are shown by dots in
the indicator.
7 Save the selected frames.
Press J to save the selected frames to the memory card. The
memory card access lamp will light while recording is in prog-
ress; note that depending on shooting conditions and mem-
ory card write speed, some time may be required to save the
selected frames. Once recorded, the frames will be treated as
a single group during playback.
78
Number of frames
discarded
Number of frames
saved