Vivitar Vivicam 3915 User Manual page 60

White balance
When the brightness and nature (source) of the light changes, our eyes
adapt to the difference so that the white object remains white. Digital still
cameras, also see a white object as white by averaging the light around the
subject.
The ViviCam 3915 determines the white balance by averaging the various
kinds of light that enters the lens. You may specify the white balance when
capturing images under specific lighting conditions (Auto, Daylight, Cloudy,
Sunset, Tungsten and Fluorescent).
[Auto]: automatically adjusts the white balance.
[ Daylight]: for recording outdoors on a bright day.
[ Cloudy]: for recording on an overcast day in shade, at twilight.
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[ Sunset]: for recording at sunset.
[ Tungsten]: for recording under tungsten lighting conditions.
[ Fluorescent]: for recording under fluorescent lighting conditions.
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White balance
Auto
Daylight
Cloudy
Sunset
Tungsten
White balance
Fluoresent