Dahua DH-TPC-PT8320A, Руководство по эксплуатации

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Parameter Note
Brightness
It is to adjust image overall brightness via linear adjustment mode. The larger the
value is, the brighter the image becomes. Please note the video may become hazy
if the value is too high.
The value ranges from 0 to 100. The recommended value ranges from 40 to 60.
The default value is 50.
Sharpness
The value here is to adjust the edge of the video. The larger the value is, the
clearer the edge is and vice versa. Please note there is noise if the value here is
too high. The value ranges from -20 to 100. The recommended value ranges from
5 to 50. The default value is 10.
Gamma
It is to adjust the contrast of the scene. It will enhance the contrast of bright area
for image (high temperature area) when the value is bigger than 0. It will enhance
the contrast of dark area for the image when the value is smaller than 0.
EZoom It can zoom in part of the area in the scene to get clear view.
Smart Scene
The temperature measurement information of the image can be well saved through
smart scene function (for example, the gray scale gradient difference between two
objects can represent the temperature difference between them). The image
contrast will be weakened to some extent.
The value ranges from 0~100, default is 15.
ROI Type
It is able to select such modes as: center 25%, center 50%, center 75%, custom,
full screen, ground, horizon and sky. The image brightness and definition within the
selected ROI (regional image quality enhancement) become higher, but it appears
correspondingly blurry within the non ROI area.
Mirror It is to set left and right flip of the image.
Flip
The function can be used to change the direction of video monitoring. You can
select normal and inverted, it is normal by default.
Picture freeze
The picture will directly display the preset when calling preset after the picture
Freeze, besides, there is no rotation during the process.
Basic NR
It is used to restrain the noise, the higher the level is, the smaller the noise
becomes, the picture seems blurrier than before.
Grade
Advanced NR
It is used to restrain the noise, the higher the level is, the smaller the noise
becomes, it may generate smear for moving object.
Grade