VIVOTEK
Note that when the frame size is set to 176 x 144 as shown in the picture below, only the time will be stamped on the video streams.
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13:44:17 2010/05/04
Image Settings
Advanced Mode
Click Image Settings to open the Image Settings page. On this page, you can tune the White balance, Brightness, Saturation, Contrast, and Sharpness settings for the video.
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White balance: Adjust the value for the best color temperature.
■ Auto
The Network Camera automatically adjusts the color temperature of the light in response to different light sources. The white balance setting defaults to Auto and works well in most situations.
56 - User's Manual