Dahua HCVR21**HS-S2 Series, Руководство пользователя

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HDCVI Series DVR User
’s Manual
150

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.

Sunny: The threshold of the white balance is in the sunny mode.

Night: The threshold of the white balance is in the night mode.

Customized: You can set the gain of the red/blue channel. The value reneges from 0 to 100.

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.

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.

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.