Canon POWERSHOT A1100IS User Manual page 60

The self-timer can be used to shoot a group photo that includes the camera
operator. The camera will activate approximately I0 seconds after the
shutter button is pressed.
Press the v button.
: select _ib.
Press the Av buttons to select _i_),then
press the @ button.
Once set, _i_)will appear.
shoot.
Press the shutter button halfway to focus
on the subject, then press it fully.
When the self-timer starts, the lamp blinks
and the self-timer sound plays.
Two seconds before the shutter releases,
the lamp and sound speed up (the lamp
remains lit when the flash will fire).
To restore the original setting, select C._
in Step 2.
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