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aiming at dark environment.
"Enable BLC" option is for back light compensation. Normally, objects in front of light
source are difficult to be seen, checking this option and adjusting "BLC sens level" can
help seeing the objects more clearly. The BLC sens level is about sensitivity of BLC
detection.
Clicking on "BLC Area Selection", a selecting window will pop up. As the window
shows, the video is divided to 48 rectangle areas with the same size. Select the areas
to enable BLC, if no area is selected, checking "Enable BLC" option makes the video no
differences.
The picture illustrates the corresponding areas of the selecting window in the real video.
"Select All" will check all the areas in the windows and "Clear All" will do vice versa.
"Save" button can set the selected areas for BLC.
In the CCD settings window, click on "Preview" to see the effect of changing the
options. Click on "Save" to set the CCD settings. Click on "Restore" to recall the
original settings without incorporating the changes.
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