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Camera box 700TVL 12v/230Vac
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"NR"
(Noise Reduction): reduces image noise using a digital process. Image noise shows up in the form of grains which
can be seen when surveillance cameras are used in very dark environments. 2D DNR helps to rectify this flaw and
improve picture quality.
NR:
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"HLC"
(High Light Compensation): compensation for strong light, i.e. identification of and compensation for any areas
exposed to a strong light source directly facing the camera. This function darkens any areas exposed to strong light in
order to enhance the detail displayed in under-exposed areas.
3.2.3
Back Light Management: "ATR (Adaptive Tone Reproduction)", "BLC (Back Light Compensation)" and
"WB (White Balance)".
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"ATR"
(Adaptive Tone Reproduction): improves the reproduction of detail when images contain a mixture of very light
and very dark areas. In the example below, the ATR function has automatically corrected both the over-exposed and the
under-exposed areas.
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"BLC"
(Back Light Compensation): automatic backlight compensation. This works by selecting the area of the image
which requires automatic diaphragm control, and ensuring that the area chosen is reproduced using the correct
exposure. When backlight is present, the camera adjusts the diaphragm to suit the area selected and ignores high levels
of luminosity in the background. The BLC function is highly efficient. However, it is important to remember that it can
result in the brightly-lit part of the scene being over-exposed. This function is only available on EFFIO E cameras.