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BLC Setup
You can specify a desired area on the video manually and set the area to be displayed
more clearly.
1. Select <Backlight>.
2. Set <Mode> to <BLC>.
3. Select each item and set it properly.
• BLC level : You can change the
level to adjust the brightness of the
monitoring area.
• BLC Box Mode : Specify the mode
of BLC Box.
• BLC Box Adjustment : Use the
arrow buttons to adjust the size and
position of the BLC Box.
• BLC Box Step : Specify the pixel unit for movement. You can use the arrow
buttons of <BLC Box Adjustment> to add or reduce the pixels.
HLC (Highlight Compensation) Setup
If a strong light like a streetlamp or vehicle headlight points toward the camera, the area can
be set to be cut off to prevent a saturated area on the monitor.
1. Select <Backlight>.
2. Set <Mode> to <HLC>.
3. Select each item and set it properly.
• HLC level : This adjusts the
brightness level to cut off the
highlighted area.
• Mask tone : This adjusts the
brightness of the cut-off area.
As the number increases, the color is set to
change from dark to white.
M
At night operation, this function will be activated only if the incoming highlight exceeds a certain
area in a low contrast environment.
At night operation, HLC will not function in too a bright or too a dark scene.
English _77
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