Canon PowerShot G9 - Manual (Page 131)

Advanced Shooting Functions 129
To Release the AE Lock:
Operate a button other than the
button, the control dial and the ISO
Speed dial.
5
Re-aim the camera to compose the shot as
desired.
After locking the AE, you can change the ISO speed with
exposure fixed.
Changing Shutter Speed and Aperture Value
Combinations
Automatically selected combinations of shutter speeds and aperture
values can be freely changed without altering the exposure
(Program Shift).
1
Focus on the subject on which you wish to
lock the exposure.
2
Press the shutter button halfway.
3
Press the button.
• Exposure is fixed.
4
Use the control dial to change shutter speed
and aperture value combinations.
5
Recompose the image and shoot.
• The setting will cancel after the shot is taken.
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