FujiFilm FinePix F660EXR - Manual (Page 34)

20 Basic Photography and Playback
Taking Pictures in R (E AUTO) Mode
4 Shoot.
Smoothly press the shutter button the rest of the way
down to take the picture.
Click
The Shutter Button The Shutter Button
The shutter button has two positions. Pressing the shutter button halfway sets
focus and exposure; to shoot, press the shutter button the rest of the way down.