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User Manual of Network Speed Dome
© Hikvision
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Figure 6-37 Day Night Schedule

Smart IR
If the IR light is on and the image center is overexposure, you can enable this
function.

IR Light Mode
IR light mode can be set to Auto and Manual .
 Auto: The brightness of the infrared light will be adjusted automatically. IR
Light Sensitivity value ranges from 0 to 100. Trigger Mode can be set to
Camera or Photosensitive .

Manual: you need to adjust the brightness value of infrared light manually.
Brightness Limit value ranges from 0 to 100.

The IR related functions are supported by the IR speed dome only.

For detailed parameters configuration of IR light, you can enter the OSD menu by
calling the special preset 95.

When the IR Light Mode is auto, the day/night mode is adjusted automatically
according to the IR Light Mode. Manually setting the day/night mode is invalid.

When the IR Light Mode is manual and the Brightness Limit is 0, you can set the
day/night mode manually.

When the IR Light Mode is manual and the Brightness Limit is not 0, the night
mode is set as the default mode. Manually setting the day/night mode is invalid.
Backlight Settings

BLC
If there’s a bright backlight, the subject in front of the backlight appears silhouetted
or dark. Enabling
BLC (back light compensation) function can correct the exposure of
the subject. But the backlight environment is washed out to white.

WDR (Wide Dynamic Range)
The wide dynamic range (WDR) function helps the camera provide clear images even
under back light circumstances. When there are both very bright and very dark areas
simultaneously in the field of view, WDR balances the brightness level of the whole
image and provide clear images with details.
You can enable or disable the WDR function as shown in Figure 6-38. The wide
dynamic level ranges from 0 to 100.