Canon Digital IXUS 500 Quick Start Manual page 93

Raise the ISO speed when you wish to reduce camera shake or turn the
flash off when shooting in a dark area, or use a fast shutter speed.
FUNC.
g
In the FUNC. menu, select ~ .
See Selecting Menus and Settings (p. 43).
*
The current setting is displayed.
Use the
CD
or button to select a
speed.
You can shoot right after selecting an
option. The menu displays again after the
shot, allowing you to change the settings
easily.
Press the FUNC. button.
The display will return to the Shooting
screen.
o ·
Higher ISO speeds increase image noise. To take clean images, use
as Iowan ISO speed as possible.
• The AUTO setting selects the optimal ISO speed. It will automatically
raise the speed when the light from the flash is insufficient to
illuminate the subject matter.