Canon PowerShot S40 User Manual page 78

Setting the White Balance (continued)
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• To set and use a custom white balance setting, it is advisable to select the
shooting mode and set the exposure compensation and flash exposure
compensation to zero (±0). The correct white balance may not be obtained when
the exposure is incorrect (image is completely black or white).
• It is also advisable to use the LCD monitor to compose the shot and to zoom in to
the maximum telephoto setting.
• Since the white balance data cannot be read in
balance in another shooting mode first before selecting
• If the flash fires when setting a custom white balance with the flash set to red-eye
reduction auto or auto, make sure you also use the flash when you go to shoot.
The correct white balance cannot be obtained unless the flash is used consistently.
To ensure consistency, set the flash to on or off as appropriate.
• The selected shooting mode will determine whether or not the custom white
balance setting is cancelled when the camera is turned off.
76
Shooting - Selecting Particular Effects
mode, preset the white
mode.