User`s manual

8. PTZ
AirLive SD-2020 User’s Manual 83
8.9 Camera-WB
A camera needs to find reference color temperature, which is a way of measuring the
quality of a light source, for calculating all the other colors. The unit for measuring this ratio
is in degree Kelvin (K). Users can select one of the White Balance Control modes according
to the operating environment. The following table shows the color temperature of some light
sources for reference.
Light Sources Color Temperature in K
Cloudy Sky 6,000 to 8,000
Noon Sun and Clear Sky 6,500
Household Lighting 2,500 to 3,000
75-watt Bulb 2,820
Candle Flame 1,200 to 1,500