User manual

4.4.3 Image

From main menu->setting->camera->image, you can see the image interface is shown as

below. See Figure 4-22.

 Channel: Select a channel from the dropdown list.

 Saturation: It is to adjust monitor window saturation. The value ranges from 0 to 100.

The default value is 50. The larger the number, the strong the color is. This value has no

effect on the general brightness of the whole video. The video color may become too

strong if the value is too high. For the grey part of the video, the distortion may occur if

the white balance is not accurate. Note the video may not be attractive if the value is too

low. The recommended value ranges from 40 to 60.

 Brightness: It is to adjust monitor window bright. The value ranges from 0 to 100. The

default value is 50. The larger the number is, the bright the video is. When you input the

value here, the bright section and the dark section of the video will be adjusted

accordingly. You can use this function when the whole video is too dark or too bright.

Note the video may become hazy if the value is too high. The recommended value

ranges from 40 to 60.

 Contrast: It is to adjust monitor window contrast. The value ranges from 0 to 100. The

default value is 50. The larger the number is, the higher the contrast is. You can use this

function when the whole video bright is OK but the contrast is not proper. Note the video

may become hazy if the value is too low. If this value is too high, the dark section may

lack brightness while the bright section may over exposure .The recommended value

ranges from 40 to 60.

 Auto Iris: It is for the device of the auto lens. You can check the box before ON to enable

this function. The auto iris may change if the light becomes different. When you disable

this function, the iris is at the max. System does not add the auto iris function in the

exposure control. This function is on by default.

 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.

 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. 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.