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37
Parameter
Function
Mode
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 0 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.
You can select “Low” and “High”.
HLC is enabled only when exposure mode is auto and light
control is outdoor.
BLC
The device auto exposures according to the environments
situation so that the darkest area of the video is cleared.
When “Custom” is set, you can set BLC area.
7.2.2.4 Day
&
Night
Figure 7-16
Parameter
Function
Type
Day/night switch mode can select electrical and ICR, it is ICR by default.
•
“ICR” : Mechanical day/night switch uses filter for day & night switch.
•
“Electrical”: It uses image processing mode for day & night switch.