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VIVOTEK
User's Manual - 57
Illuminators
Turn on external IR illuminator in night mode
Select this to turn on the external IR illuminator when the camera detects low light condition and
enters the night mode. A Digital Output connection to an external IR is needed.
Smart IR disabled; distance: 5M
Smart IR enabled; distance: 5M
Smart IR disabled; distance: 3M
Smart IR enabled; distance: 3M
The Smart IR function is more benecial when the spot of intrusions or an object of your interest
is close to the lens and the IR lights. For example, if an intruder has a chance of getting near the
range of 3 meters, Smart IR can eectively reduce the over-exposure. For a surveillance area at a
greater distance, e.g., 5 meters or farther away, the Smart IR function may not bring as signicant
benets as in close range.
Smart IR
Anti-overexposure: When enabled, the camera automatically adjusts the IR projection to adjacent
objects in order to avoid over-exposure in the night mode.
Spectrum mode
Select the light source in your application in the night time.
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