Dahua HCVR5204A-S2, Руководство пользователя

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dark section may lack brightness while the bright section m ay over exposure .The
recommended value ranges from 40 to 60.
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Sharpness: The value here is to adjust the edge of the video. The value ranges from 0
to 100. The larger the value is, the clear the edge is and vice versa. Please note there
is noise if the value here is too high. The default value is 50 and the recommended
value ranges from 40 to 60.
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Mirror: It is to switch video up and bottom limit. This function is disabled by default.

Flip: It is to switch video left and right limit. This function is disabled by default.
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BLC:It includes several options: BLC/WDR/HLC/OFF.

BLC: The device auto exposures according to the environments situation so that the
darkest area of the video is cleared

WDR: For the WDR scene, this function can lower the high bright section and
enhance the brightness of the low bright section. So that you can view these two
sections clearly at the same time. The value ranges from 1 to 100. When you switch
the camera from no-WDR mode to the WDR mode, system may lose several seconds
record video.

HLC: After you enabled HLC function, the device can lower the brightness of the
brightest section according to the HLC control level. It can reduce the area of the halo
and lower the brightness of the whole video.

OFF: It is to disable the BLC function. Please note this function is disabled by default.

Profile: It is to set the white balance mode. It has effect on the general hue of the
video. This function is on by default. You can select the different scene mode such as
auto, sunny, cloudy, home, office, night, disable and etc to adjust the video to the best
quality.

Auto: The auto white balance is on. System can auto compensate the color
temperature to make sure the vide color is proper.
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Sunny: The threshold of the white balance is in the sunny mode.
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Night: The threshold of the white balance is in the night mode.
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Customized: You can set the gain of the red/blue channel. The value reneges from 0
to 100.
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Day/night. It is to set device color and the B/W mode switch. The default setup is auto.

Color: Device outputs the color video.
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Auto: Device auto select to output the color or the B/W video according to the device
feature (The general bright of the video or there is IR light or not.)

B/W: The device outputs the black and white video.

Sensor: It is to set when there is peripheral connected IR light.
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Image enhancement: It is to enhance video quality. The larger the value is, the clearer
the video is. But the noise may become large too.

2D NR: It is to process the noise of the single image. The video may become soft after
process. The larger the value is, the better the effect is.

3D NR: it is to process the multiple-frame (at least two frames). It is to use the frame
information between the following two frames to reduce noise. The larger the value is,
the better the effect is.