Canon IXUS 1100 HS - Manual (Page 85)

Adjusting the White Balance
85
You can adjust the white balance to match the light source at the shooting
location. Make sure that you set the white balance under the light source of
the actual scene you will shoot.
z Follow Step 2 on p. 84 to choose .
z Make sure the entire screen is filled with a
plain, white colored subject, then touch
on the right.
X The tint on the screen will change when
white balance data is set.
Custom White Balance
If you change camera settings after recording white balance data, the tone
may not turn out properly.