Canon A650 IS - Manual (Page 105)

Various Shooting Methods 103
See Functions Available in Each Shooting Mode (p. 207) .
You can lock the flash exposure so that the exposure settings are
correctly set regardless of the composition of your subject.
To Release the FE Lock
Operate a button other than the or button.
Locking the Flash Exposure Setting
(FE Lock)
Shooting Mode
1
Press the button and select (flash on).
2
Aim the camera at the subject on which you
wish to lock the exposure.
3
Press the shutter button halfway and press the
button.
• The flash will pre-fire and will display.
4
Re-aim the camera to compose the shot as
desired and press the shutter button fully.
The FE lock cannot be used when the auto flash feature is set
to [Off].