Canon PowerShot ZOOM Advanced User's Manual page 44

2.
Set the amount of compensation.
Increased exposure, to brighten images
Decreased exposure, to darken images
Press the <
amount, then press <
3.
Take the picture.
To cancel exposure compensation, return the exposure level to ±0.
Note
The exposure compensation amount will remain in effect even after you turn off the
camera.
> or < > button to select the compensation
>.
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