Canon VIXIA HF S10 Instruction Manual page 75

To set the custom white balance
1 Point the camcorder at a white object, zoom in until it fills the whole
screen and press _ET).
When the adjustment is completed, _ stops flashing and stays on.
The camcorder retains the custom setting even if you turn off the
camcorder.
2 Press _ to save the setting and close the menu.
When you select the custom white balance:
- Set the custom white balance in a sufficiently illuminated place.
- Turn off the digital zoom (IZI3142).
- Reset the white balance when the lighting conditions change.
- Depending on the light source, _, may keep flashing. The result will
still be better than with [AWl} Automatic].
Custom white balance may provide better results in the following cases:
- Changing lighting conditions
- Close-ups
- Subiects in a single color (sky, sea or forest)
- Under mercury lamps and certain types of fluorescent lights
Depending on the type of fluorescent light, optimal color balance may
not be obtained with [_ Fluorescent] or [_ Fluorescent H]. If the color
looks unnatural, select [AWI_ Automatic] or [,#_ Custom WB].