Canon ixus 240 HS User Manual page 120

Shooting Range and Focusing
Choosing Subjects to Focus On (Touch AF)
You can shoot after the camera focuses on your selected subject, person's
face, or location shown on the screen.
120
Still Images
Choose a subject, a person's face,
or a location to focus on.
Touch the subject or person on the screen.
IXUS 510 HS
When the AF frame mode is set to [Face
Detect], the camera beeps and displays
when a face is detected. Focus is maintained
even if the subject moves.
IXUS 240 HS
When the AF frame mode is set to [Face
AiAF], the camera beeps and displays
when a face is detected. Focus is maintained
even if the subject moves.
When the AF frame mode is set to [Fixed
frame], an AF frame is displayed where you
touched.
To cancel Touch AF, touch ^.
Shoot.
Press the shutter button halfway. The frame
in focus changes to a green
Press the shutter button all the way down to
shoot.
Movies
.