Canon Powershot S100 User Manual page 75

Changing the number of shots
After choosing
Even if your face is not detected after joining the subjects, the shutter will
release approximately 15 seconds later.
Detecting a Face and Shooting (Smart Shutter)
Join the subjects and look at the
camera.
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 approximately 2 seconds later
the shutter will release.
To cancel shooting with the timer after
countdown has started, press the n
button.
in Step 1, press the op buttons.
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