Canon PowerShot SD4500 IS Digital ELPH User Manual page 88

You can _ock the exposure and shoot, or set the focus and exposure
separately to shooL AE stands for "Auto Exposure'.
Choose@ (p. 56).
............................... ................................ Leek the e×posure.
Point the camera toward the subject and
press the _ button while pressing the
_-_"_ _ shutter button halfway_
When
AEL
appears, the exposure will be
locked.
if you release your finger from the shutter
button and press the _ button again,
AEL
will disappear and AE will unlock.
Compose the scene and shoot.
Just as with the AE lock (p. 88), you can lock the exposure for shooting with
the flash. FE stands for "Flash Exposure".
Choose _. (p. 73).
Leek the fI sh
e×posure.
Point the camera toward the subject and
press the _ button while pressing the
shutter button halfway.
The flash will fire and when
EEL
appears,
the flash output will be retained.
if you release your finger from the shutter
button and press the _ button again, EEL
will disappear and FE will unlock.
Compose the scene and shoot.
88