Dahua HDBW2831R-ZAS, Operation Manual

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Operation Manual
46
Parameter Description
Shutter range
When selecting
Shutter Priority
or
Manual
in
Mode
, and setting
Customized Range in Shutter , you can set shutter range, and the unit
is ms.
Gain
When selecting Gain Priority or Manual in Mode , you can set shutter
range. With minimum illumination, the camera increases Gain
automatically to get clearer images.
Iris When selecting
Aperture Priority
in
Mode
, you can set iris range.
Auto Iris
This configuration is available only when the camera is equipped with
auto-iris lens.
●
When auto iris is enabled, the iris size changes automatically
according to the ambient lighting condition, and the image
brightness changes accordingly.
●
When auto iris is disabled, the iris stays at full size and does not
change no matter how ambient lighting condition changes.
2D NR Average single-frame dots and other dots around to reduce noise.
3D NR
Works with multi-frame (no less than 2 frames) images and reduces
noise by using the frame information between previous and latter
frames.
Grade
This configuration is available only when the 3D DNR is enabled.
The higher the DNR level is, the better the result will be.
Step 3 Click
Save
.
4.5.1.1.4 Backlight
You can select backlight mode from Auto, BLC, WDR, and HLS.
Step 1
Select
Setting
>
Camera
>
Conditions
>
Conditions
>
Backlight
.
Figure 4-36 Backlight
Step 2 Configure backlight parameters.