Local Basic Operations 79
Parameter
Description
the contrast according to actual environment.
Saturation
Adjusts the color shades. The bigger the value, the lighter the color
will become. Adjusts the saturation according to actual environment.
Sharpness
Adjusts the sharpness of image edge. The bigger the value is, the
more obvious the image edge is. Adjusts the sharpness according to
actual environment.
Gamma
It is to adjust image brightness and enhance the image dynamic
display range. The bigger the value is, the more bright the video is.
Mirror
Enable the function, the left and right side of the video image will be
switched. It is disabled by default.
This function is for some series products only.
Field of view
It is to set monitor video display direction. It includes normal,
reflection, lobby 1, lobby 2.
Exposure
Auto iris
It is for the camera of auto iris only.
After enable auto iris function, the iris can
automatically zoom in/zoom out according to the
brightness of the environment and the image
brightness changes too.
If disable the auto iris function, the iris does not
automatically zoom in/zoom out according to the
brightness of the environment when the iris is at
the biggest value.
3D NR
This function specially applies to the image which
frame rate is configured as 2 at least. It reduces the
noises by making use of the information between two
frames. The bigger the value is, the better the effect.
BLC
You can set camera BLC mode.
Self-adaptive: In the backlight environment, the system can
automatically adjust image brightness to clearly display the
object.
BLC:
◇
Default: The device auto exposures according to the
environments situation so that the darkest area of the video
is cleared
◇
Customize: After select the specified zone, the system can
expose the specific zone so that the zone can reach the
proper brightness.
WDR: In backlight environment, it 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.
HLC: In the backlight environment, it can lower the brightness of
the brightest section and reduce the area of the halo and lower
the brightness of the whole video.
