Videosec ICS-20F, Руководство пользователя

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Fixed Shutter Mode
In this mode, fixed shutter speed could be selected from the dropdown menu.
The shutter speed range is from 1/10000 to 1 (1/1.5) sec. with 19 (18) options.
Users could select suitable shutter speed according to the environmental
illumination.
5.5.2 White Balance Setting
The White Balance pull-down menu is shown as follows:
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 ~ 8000K.
ATW Mode (Auto Tracking White Balance)
With Auto Tracking White Balance function, the white balance in a scene will be
automatically adjusted while temperature color is changing. The ATW Mode is
suitable for environment with light source having color temperature in the range
roughly from 2450 ~ 10500K.