Canon 220 HS - Manual (Page 78)

Detecting a Face and Shooting (Smart Shutter)
78
Join the subjects and look at the
camera.
X When the camera detects a new face, the
lamp and self-timer sound will speed up
(the lamp remains lit when the flash will
fire), and two seconds later the shutter will
release.
z To cancel shooting with the timer after
countdown has started, press the
n
button.
Changing the number of shots
After choosing in Step 1, press the op buttons.
Even if your face is not detected after joining the subjects, the shutter will
release approximately 15 seconds later.