HIKVISION DS-2CC12D5S-IT3 User Manual page 31


B/W
The image is black and white all the time, and the IR LED turns on in
the low-light conditions.

EXT
The image switches from color to B/W or from B/W to color
automatically according to the light condition. And you can select to
turn on or turn off the IR LED according to different illumination.
3.7 NR
NR (Noise Reduction) is used to reduce the noise in the video
stream.
Move the cursor to NR, and press OK to enter the NR submenu.

2D NR
2D NR reduces the noise in a single frame to get a gentle image. You
can set it ON or OFF by setting the joystick to left/right.

3D NR
HD-SDI IR Bullet Camera·User Manual
2D&3D NR
1. 2DNR
2. 3DNR
3. RETURN
Figure 3-8 NR
OFF
ON 
RET
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