Canon POWERSHOT S500 User Manual page 76

You can set the exposure and focus separately, This is effective when the
contrast is too strong betweenthe subject and background or when a
subject is backlit,
You must set the flash to _-_. The
fires.
DISP,
©
Pressthe DISP.button to turnthe
LCDmonitoron.
Focusonthe part ofthe subjecton
whichyouwishto lockthe exposure
setting.
Pressthe shutterbuttonhalfway
two beepswill sound)and press
the [] button.
The exposure setting is locked.
The [] icon will display.
74
Re-aimthe camerato compose the
shotas desiredand press the
shutterbutton fully.
Torelease the AE lock
Press the [] button.
The AE lock may be released by pressing the zoom lever, MENU
button or _ button, or by changing the white balance, ISO speed,
photo effect or the shooting mode, or by turning the LCD monitor off.