Canon IXUS90IS User Manual page 104

1021
_] • You are recommended to set the shooting mode to []
and the exposure compensation setting to [+0] before
setting a custom white balance.
The correct white balance may not be obtained when the
exposure setting is incorrect (image appears completely
black or white).
• Shoot with the same settings as when reading the white
balance data. If the settings differ, the optimal white
balance may not be set.
In particular, the following should not be changed.
- ISO Speed
- Flash
Setting the flash to [] or [] is recommended, tf the
flash fires when reading the white balance data with the
flash set to [_J, make sure that you also use the flash
when you shoot.
• Since the white balance data cannot be read in Stitch
Assist mode, preset the white balance in another shooting
mode beforehand.
• White balance data is retained even if the camera's power
is turned off.