Canon POWERSHOT G12 User Manual page 23

You can make your flash photography even better with the use of an
externally mounted flash (sold separately).
You shouBd set the white balance to _.
Please also read the manual included with the externally mounted flash.
Speed|ire 220_ 270_ 430_ ||_ and 580EX ||
............................. Attach the flash to the hot shoe.
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..... Turn the flash on, then turn the
camera On,
A red _- appears on the screen.
When the flash is charged, its pilot lamp will
light.
D_sp_ay thef_ash settingsscreen.
Press the
MENU
button to choose [Flash
Control] in the _ tab, then press the @
button.
The options set on the flash will appear.
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