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VIVOTEK
■ Auto Exposure Bracketing:
When the Bracketing video mode is configured, the exposure time setting applies to Stream #1,
and the Auto exposure bracketing level will be used to determine the short exposure time taken
by Stream #2. The configurable Level ratio is inversely proportional to the Exposure time setting
above, namely 5x = 1/5 of the Exposure time above.
■ AE Speed Adjustment:
This function applies when you need to monitor fast changing lighting conditions. For example,
the camera may need to monitor a highway lane or entrance of a parking area at night where
cars passing by with their lights on can bring fast changes in light levels. The same applies if
the camera is installed on a vehicle, and when it needs to adapts to fast changes of light when
entering and leaving a tunnel.
■ WDR:
This refers to the Wide Dynamic Range function that enables the camera to capture details in
a high contrast environment. Use the checkbox to enable the function, and use the slide bar
to select the strength of the WDR Pro functionality, depending on the lighting condition at the
installation site. You can select a higher effect when the contrast is high (between the shaded
area and the light behind the objects).
56 - User's Manual
Stream1 = 1/1600
Stream2 = 1/5 x 1/1600
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