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40 | Performance Series IR 1080p IP PTZ Camera User Guide
Parameter
BLC Mode
(Backlight
Compensation)
Full-screen
Test
Default
Refresh
Save
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Table 5-3
Camera Backlight Configurations (cont'd)
Function
OFF
BLC (Default or
Customized)
WDR
HLC
Click the
full-screen test. Double-click to return to the normal screen.
Click to return the camera to the default setup.
Click to cancel the current operation and restore the previously saved
operation.
Click to save the currently configured customized settings.
BLC is off. BLC is disabled by default.
The camera automatically adjusts the exposure to
suit the scene conditions, so that the darkest area of
the video can be seen. Default applies BLC to the
entire scene. The Customized option allows the user
to apply BLC to a specified area of the scene.
By lowering the brightness of the brightest area, and
enhancing the brightness of the darkest area, WDR
balances brightness and darkness in a scene so that
both the darkest area and the lightest area can be
seen clearly at the same time.
This value ranges from 1 to 100.
Note
When you switch the camera from non-WDR
to WDR mode, there might be a few seconds
lapse in video.
When the HLC function is enabled, the camera can
lower the brightness of the brightest section of video,
according to the selected HLC control level. HLC can
reduce the amount of halo and lower the brightness
of the entire video image.
This value ranges from 1 to 100. The default value is
50 when HLC is turned on.
HLC is only available when Anti-flicker is set to
Outdoor, and the Exposure is set to Auto.
button on the bottom left of the video window to begin a
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