Nikon SB-910 - Manual (Page 7)

7
Select the desired shutter speeds in S or M exposure
mode. Taken without a flash
Capture the excitement of playing with water
The laughing faces of the children have been clearly captured. And high shutter speeds have
managed to freeze the glittering spray of the water.
Auto FP high-speed sync: Flashes are also effective for backlit scenes. And
higher shutter speeds can expand photographic expression.