Vivotek CD9381-HNTV Vivotek CD9381-HNTV User Manual

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VIVOTEK

64 - User's Manual

Illuminators

Turn on built-in IR illuminator in night mode

Select this to turn on the camera’s onboard IR illuminator when the camera detects low light condition

and enters 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 benecial 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 or farther away, the Smart IR function may not bring as signicant benets 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.

Anti-overexposure

When enabled, the camera automatically adjusts the IR projection to adjacent objects in order to avoid

over-exposure in the night mode.

Turn on external IR illuminator in night mode

Select which DO (digital output) you use to trigger an external IR illuminator.

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Vivotek CD9381-HNTV 2.8~8mm 5MP Fixed Dome Camera