Nikon 1 V1 Reference Manual page 52

Begin buffering photographs.
3
Press the shutter-release button half-
way to focus (0 25). An icon will be
displayed as the camera begins
recording images to the memory
buffer. The camera continuously
adjusts focus to account for changes
in the distance to the subject in the AF
area brackets while the shutter-
release button is pressed halfway.
A
Buffering
8
Buffering begins when the shutter-release button is pressed halfway
and ends after about 90 seconds or when the shutter-release button is
pressed all the way down.
Shutter-release
button pressed
halfway to focus
32
Shutter-release button
pressed all the way
Buffering
AF area brackets
Shooting ends
down