Dahua NVR52-4KS2 SERIES User Manual

Parameter Description
Mirror
Switch the left and right sides of the video image. It is disabled by
default.
This function is available on select models.
Flip Set video display direction. It includes normal, 180°, 90°, and 270°.
AI SSA
After you enable AI SSA (AI Scene Self-adaptation), the camera can
detect environmental conditions, such as rain, fog, backlight, low light
and icker, to adjust the parameters of the image to suit the conditions,
ensuring that clear images are always produced.
When AI SSA is enabled, some image parameters such as exposure and
backlight mode will become unavailable.
Exposure
Auto Iris
●
This function is available when the camera is
equipped with the auto iris lens.
●
After you enable auto iris function, the iris can
automatically zoom in and zoom out according
to the brightness of the environment and the
image brightness changes accordingly.
●
If you disable the auto iris function, the iris is at
the biggest value. The iris does not automatically
zoom in or zoom out according to the brightness
of the environment.
3D NR
This function specially applies to the image whose
frame rate is congured as 2 at least. It reduces the
noise by using the information between two frames.
The bigger the value is, the better the eect.
Backlight Mode
You can set camera backlight mode.
●
SSA: In the backlight environment, the system can automatically
adjust image brightness to clearly display the object.
●
BLC:
Default: The device performs automatic exposures according to
the environment situation to make the darkest area of the video
clear.
Customize: After you select the specied zone, the system can
expose the specic zone so that the zone can reach the proper
brightness.
●
WDR: In backlight environment, the system lowers the high bright
section and enhances 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, the system lowers the
brightness of the brightest section, reduces the area of the halo and
lowers the brightness of the whole video.
●
Close: Disable the BLC function.
User's Manual
190

Dahua NVR52-4KS2 SERIES Specifications

General

Brand	Dahua
Model	NVR52-4KS2 SERIES
Category	Network Hardware
Language	English