Manual

16
Slow exposure
If the light may change greatly, you can use slow exposure to
get image so that the camera can get stable video.
Max Auto gain
It is to set camera max gain.
Slow shutter
In lower illumination environment, you can lower the cameras
auto exposure time to capture the image and enhance the
definition. For the moving object , the trail may appear. Please
note it is valid in auto mode.
Auto Slow
Shutter Min
value
It is to set camera min shutter value.
AE resume
Manually adjust Iris + or Iris -, system can auto resume
previous exposure mode.
WDR Mode
For the environments of strong contrast effect, it can auto
adjust image contrast so that you can see the dark and bright
section at the same time.
The BLC and HLC function can not be valid at the same
time. Once one function is valid, the other one is null
automatically.
HLC
When there is strong light source in the environment, system
can auto adjust video brightness to remove the overexposure
effect.
BLC
For the environments of strong contrast effect, such as under
the backlight environment, system can auto adjust image
contrast to get clear object.
Note:
The device doesn’t support WDR mode, HLC and BLC at the same time.
3.1.1.3 NR (Noise Reduction)
The noise reduction interface is shown as in Figure 3-4.