Canon POWERSHOT SX150 IS User Manual page 91

You can make the main subject, such as people, appear bright by having the
camera provide the appropriate illumination with the flash. At the same time,
you can use a slow shutter speed to brighten the background that the light
from the flash cannot reach.
Raise the flash.
Choose _*.
After pressing the _, button, press the _
buttons or turn the _: dial to choose _,
then press the @ button.
Once set, _ will appear on the screen.
Shoot.
Even ifthe flash fires, ensure that the main
subject does not move until the shutter
sound ends.
The flash is lowered. Raise the flash manually.
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