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The range of the iris size is from 0 to 9, or select Full open to fully open the iris. The gain value
range is from 3dB to 48dB, or select Off to disable the function.
NOTE! The Iris Size setting is only available for models with Zoom Lens.
NOTE! For Motorized Lens models, the iris size setting differs. To set the iris size, click on ,
and the camera will auto detect the best iris size for the environment. If necessary, users still can
manually adjust the iris size by selecting and . Alternatively, click on to reset
the iris size. The iris size will be set to the largest. Then, you can manually adjust the iris size by
selecting and .
White Balance
To edit the white balance settings, select Camera> White Balance.
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). You can select one of the White Balance Control modes according to the operating envir-
onment. 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 White Balance mode is suitable for environments with light source having color tem-
perature in the range roughly from 2700K to 7800K.
ATW Mode (Auto Tracking White Balance)
With Auto Tracking White Balance function, the white balance in a scene will be automatically adjus-
ted while temperature color is changing. The AWB.wide mode is suitable for environments with light
source having color temperature in the range roughly from 2500K to 10000K.
Menu Reference
The “Camera” Tab
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