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VIVOTEK
User's Manual - 65
Exposure control:
■
Exposure level: You can manually configure the Exposure level, which ranges from -2.0 to
+2.0 (dark to bright). You can click and drag the semi-circular pointers on the Exposure time
and Gain control slide bars to specify a range of shutter time and Gain control values within
which the camera can automatically tune to an optimal imaging result. You may prefer a shorter
shutter time to better capture moving objects, while a faster shutter reduces light and needs to be
compensated by electrical brightness gains.
The inclusive window refers to the “weighed window“; the exclusive window refers to “ignored
window“. It adopts the weighed averages method to calculate the value. The inclusive windows
have a higher priority. You can overlap these windows, and, if you place an exclusive window
within a larger inclusive window, the exclusive part of the overlapped windows will be deducted
from the inclusive window. An exposure value will then be calculated out of the remaining of the
inclusive window.
■ BLC (Back Light Compensation): This option will automatically add a “weighted region“ in the
middle of the window and give the necessary light compensation.
Include
Exclude
Weighted region
Ignored region
Include
Exclude
You can 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.
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