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VIVOTEK
78 - User's Manual
Day/Night Settings
Switch to B/W in night mode
Select this to enable the Network Camera to automatically switch to Black/White during night mode.
Turn on external IR illuminator in night mode
Select this to turn on an external IR illuminator (connected via Digital Output lines) when the camera
detects low light condition and enters the night mode.
Turn on built-in IR illuminator in night mode
Select this to turn on the built-in IR illuminators (effective range up to 15 meters) when the camera
detects low light condition and enters the night mode.
Smart IR
When enabled, the camera automatically adjust the IR projection to adjacent objects in order to avoid
over-exposure in the night mode.
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 effectively reduce the over-exposure. For a surveillance area at a greater distance,
e.g., 5 meters, the Smart IR function may not bring as signicant benets as in close range.