VIVOTEK
■Custom: This option allows you to manually add customized windows as inclusive or exclusive regions.
A total of 10 windows can be set.
The inclusive window refers to “weighted window“; the exclusive window refers to “ignored window“. It adopts the weighted averages method to calculate the value.
■BLC (Back Light Compensation): This option will automatically add a “weighted region“ in the middle of the window and give the necessary light compensation.
Exposure control:
■Exposure level: You can manually set the Exposure level, which ranges from
■Exposure time: The Exposure time allows tuning for more or less light to enter the lens. The configurable value ranges from 1/32000 to 1/5 of a second. An optimum shutter speed should be maintained as long as the light level of the scene permits.
■Gain control: Selects the reasonable gain value to maintain a good imaging quality. Note that the gain control, lighting levels, and picture performance are closing related.
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68 - User's Manual
