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simultaneously in the field of view. True WDR is a sensor-based technology that achieves proper exposure levels by
capturing short and long exposures individually and combining them into a single frame to render a superior detail of
image quality. Note that when True WDR is enabled, the maximum frame rate will be forcibly decreased to 30fps if it was
selected above 30fps originally. NOTE: True WDR is only possible when the Exposure Priority setting is set to Motion,
BLC
Select an area ranging from Upper, Lower, Central 1/3rd, Central 1/6th, Left, and Right for Backlight Compensation.
Backlight Compensation is a function that sets the brightness of a selected area to an optimal level. This function is
necessary when an auto iris lens tends to close quickly due to an intense light coming from the back of object in the area
they wish to view, resulting in the area being too dark and difficult to see. In this case, users may set the area
corresponding to the portion they wish to see.
FIGURE 2-30: BLC SETTINGS ILLUSTRATIONS
Day/Night
The Day Night Auto mode setting automatically controls the day/night switch depending on the Transition Level and Transition
Detect Time settings.
Auto
1. Transition Level: Determines when the camera changes from day mode (color) to night mode (black-white). Select
a lighter transition level setting if you want the camera to change modes at a high lux setting. Use the default setting
for normal day/night operation. Use a darker transition level to change modes at a low lux setting.
TABLE 2-1. LUX TRANSITION POINTS FOR INCANDESCENT LIGHTING
Transition Level
Setting
Day to Night
Transition Point
Lighter 10 lux
Default 2 lux
Darker 1 lux
2. Transition Detect Time (sec): Controls the length of time the camera is exposed to a light level before it changes to
color or black-white mode.
This setting is useful for dark scenes where a bright light is momentarily introduced in the scene (for example, when
a car with its headlights turned on passes the camera scene).
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