Canon PowerShot SD4500 IS Digital ELPH User Manual page 82

You can use a TV to display the camera screen content while shooting.
To connect the camera to a TV, follow the Steps in "Viewing Bmages on a
TV" (p. 115).
Shooting procedures are the same as when using the camera screen.
WhiBe you keep the shutter button pressed halfway, the focus and exposure
are locked. You can now recompose and shoot. This is called Focus Lock.
Focus.
Center the subject you want in focus, and
press the shutter button halfway.
Confirm that the AF Frame on the subject
is green.
Recompose.
Keep the shutter button pressed halfway
and move the camera to recompose the
scene.
Shoot.
Press the shutter button fully.
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