Canon SD960 IS Guida Utente

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You can change the AF (Auto Focus) frame mode to match the conditions 
you want to shoot.
Select [AF Frame].
Press the 
n button, select the 4 
tab, select [AF Frame], then press the 
qr 
buttons to select an option.
Face AiAF
Detects people’s faces and sets the focus, exposure (evaluative metering only) 
and white balance (
 only).
When the camera is pointed at subjects, a white frame appears on the face the 
camera judges to be the main subject, and gray frames (max. 2) will appear on 
other faces. When the shutter button is pressed halfway, up to 9 green frames 
will appear on faces on which the camera focuses.
Center
The AF frame is fixed at the center. This is effective for focusing on a specific 
point.
Press the
 
button, select the 
4 tab, then select the [AF Frame Size] 
menu item and [Small] option.
The setting is configured to [Normal] when the Digital Zoom or Digital 
Tele-converter is used.
Changing the AF Frame Mode
If a face is not detected and only gray frames (no white frame) appear, 
up to 9 green frames will appear on the areas the camera focuses on 
when the shutter button is pressed halfway.
Examples of faces that cannot be detected:
The camera may mistakenly identify non-human subjects as a face.
If the camera cannot focus when you press the shutter button halfway, 
the AF frame will not appear. 
You can reduce the AF frame size
If the camera cannot focus when you press the shutter button halfway, the 
AF frame will turn yellow.
Subjects that are far away or extremely close.
Subjects that are dark or light.
Faces turned to the side or at a diagonal, or faces with a portion hidden.
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