Changing The Focus Setting - Canon PowerShot G7 X Mark III Advanced User's Manual

Changing the Focus Setting

Continuous AF constantly focuses on subjects the camera is aimed at, even
when the shutter button is not pressed. This setting can be changed to limit
autofocusing to the moment you press the shutter button halfway.
Enable
Disable
1
Helps avoid missing sudden photo opportunities,
because the camera constantly focuses on subjects
until you press the shutter button halfway.
Conserves battery power, because the camera does
not focus constantly. However, this may delay focusing.
152
[Continuous AF]