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VIVOTEK
User's Manual - 59
Measurement Window: This function allows user to set measurement window(s) for low light
compensation�
■ Full view: Calculate the full range of view and offer appropriate
light compesation�
■ 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 Time: Select a proper maximum exposure time (second) according to the light source of the
surroundings. Shorter exposure times result in less light.
Gain Control: You can manually set the AGC level� However, high gain control value would generate a
certain amount of noise�
You can click Preview to fine-tune the image, or click Restore to recall the original settings without
incorporating the changes� When completed with the settings on this page, click Save to enable the
settings and click Close to exit the page.
X
X
Exclude
Include
Weighted region
Ignored region