Canon POWERSHOT G12 User Manual page 24

Using an E×ternaHy Mounted Flash (Sold Separately)
Make the setting.
Press the_.'_" buttons or turn the _ dial to
choose an item, then press the 4_ buttons
to adjust the setting.
The available settings differ depending on
the flash (p. 186).
In modes other than P,
Tv, Av, M,
and
_, flash settings cannot be changed
since the flash adjusts and fires
automatically.
Using the separately sold Speedlite Bracket SB-E2
prevents unnatural shadows from appearing on the
sides of objects when shooting from a vertical
position. However, depending on the angle, the
bracket may interfere with opening the LCD
monitor. Please use the camera with the LCD
monitor ciosed and the screen facing outward=
181