110
4.4.9 Camera—WB
(White
Balance)
The White Balance Setting can be found under this path:
PTZ> Camera- WB
.
Figure 4-46
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
Auto Mode
The Auto Balance White mode is suitable for environment with light source having color
temperature in the range roughly from 2700 to 7500K.
Indoor/outdoor Mode
Select for indoor or outdoor mode.