Nikon S640 - Manual (Page 120)

108
Shooting Options: The Shooting Menu
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I Autofocus Mode
Choose how the camera focuses.
B
Notes on Autofocus Mode
This feature cannot be used simultaneously with certain features.
➝ “Functions that Cannot be
Applied Simultaneously” ( A 109)
B
Notes on the Autofocus Mode Setting for Subject Tracking Mode
You can set
Autofocus mode for subject tracking mode. The default setting in subject tracking
mode is
Full-time AF. Autofocus mode can be set independently for both subject tracking mode
and auto mode.
Set to A (Auto) M d (Shooting menu) M I Autofocus mode
A Single AF (default setting)
Camera focuses when the shutter-release button is pressed halfway.
B Full-time AF
Camera focuses continuously until the shutter-release button is pressed down
halfway. Use with moving subjects.
A sound will be heard while the camera focuses.