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VIVOTEK
User's Manual - 53
Day/Night Settings
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 external IR is needed.
Turn on built-in IR illuminator in night mode
Select this to turn on the built-in IR illuminator when the camera detects low light condition and enters the
night mode.
IR cut lter
With a removable IR-cut filter, this Network Camera can automatically remove the filter to let IR light
enter the light sensor during low light conditions.
■ Auto mode
The Network Camera automatically removes the lter by judging the level of ambient light.
■ Day mode
In day mode, the Network Camera switches on the IR cut lter at all times to block infrared light from
reaching the sensor so that the colors will not be distorted.
■ Night mode
In night mode, the Network Camera switches off the IR cut lter at all times for the sensor to accept
infrared light, thus helping to improve low light sensitivity.
■ Synchronize with digital input
The Network Camera automatically removes the IR cut filter when a Digital Input is triggerred. For
example, the digital input can come from a housing that is equipped with IR illumination and control
circuits such as VIVOTEK’s AM-214.
■ Schedule mode
The Network Camera switches between day mode and night mode based on a specied schedule.
Enter the start and end time for day mode. Note that the time format is [hh:mm] and is expressed in
24-hour clock time. By default, the start and end time of day mode are set to 07:00 and 18:00.
Sensitivity of IR cut lter
Tune the responsiveness of the IR cut lter to lighting conditions by the percentage. Judging by the light
level, contrast, and color hue, the light sensing algorithms enables the switch between day and night
modes. The actual lighting conditions can vary when the lens modules zooms in/out to a target area.
When completed with the settings on this page, click Save to enable the settings.
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