Canon PowerShot A510 User Manual page 88

Shooting – Advanced Functions
You are recommended to set the white
balance when shooting in the following
conditions.
- The shooting mode dial is set to P and
the exposure compensation is set to ±0.
The correct white balance may not be
obtained when the exposure is incorrect
(image is completely black or white).
- The zoom is positioned to the telephoto
end setting.
Set the digital zoom to [Off].
- The flash is set to
(Flash Off).
Use the same flash setting as the one that
will be used for shooting when you set the
white balance. If the white balance setting
conditions and shooting conditions are not
the same, the correct white balance may
not be obtained.
When the flash is set to
red-eye reduction) or
may fire while the white balance data is
recorded to the custom white balance. If
this happens, make sure the flash also
fires when you shoot the image.
- The ISO speed is set to the same setting
to shoot the image.
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(Flash On) or
(Auto with
(Auto), the flash
In mode, white balance data cannot be
read. Use a different shooting mode to read
the white balance data beforehand.
The custom white balance setting is not
cancelled even if settings are reset to
default settings (p. 75).