Surveon CAM6181, Руководство пользователя, Страница: 80 / 87

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Manual Mode
In this mode, users can change the Shutter speed (1/10000 to 1), Iris (F1.6 to F28),
and Gain (1 to 15) manually.
Camera - WB (White Balance)
The White Balance Setting can be found under this path: PTZ > 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
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.
ATW Mode (Auto Tracing White Balance)
The Dome Camera takes out the signals in a screen in the range from 2500 K to 10000
K.
Manual Mode
In this mode, users can change the White Balance value manually via specifying R
gain and B gain; the range of R/B gain is from 0 to 255.