Nikon D3s Technical Manual page 42

Shooting Tips
5
Take photographs.
Continue shooting until all
exposures have been record-
ed; the n
shooting ends. If On (single
photo) is selected, multiple
exposure shooting ends automatically when the
fi rst multiple exposure is complete; if On (series) is
selected, multiple exposure shooting will only end
when Off is selected for multiple exposure mode.
The n icon clears from the display when multiple
exposure shooting ends.
38
icon will blink until
SHOOT SHOOT
CUSTOM CUSTOM