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Cisco Video Surveillance 5010/5011 Indoor Fixed HD IP Dome Camera User Guide
OL-22669-02
Chapter 3 Operation
Imaging Tab
Day Night Settings
The Day Night mode controls the position of the IR cut filter, which determines the color or black-white
setting of the camera. The Day Night mode settings change depending on the Exposure settings. If the
camera is set to Auto Exposure mode, the Day Night mode can be set to Auto or Manual and all of the
respective settings are available. If the camera is set to Manual Exposure, the only available Day Night
mode setting is Position, which sets the IR filter to either the Day (color) position or the Night
(black-white) position.
Day Night Auto and Manual Modes
Day Night Auto Mode
The Day Night Auto mode setting automatically controls the IR cut filter depending on the Transition
Level and Transition Detect Time settings.
Transition Level: Determines when the camera changes from day mode (color) to night mode
(black-white). Settings include Lighter, Default, and Darker. Set the transition level to Lighter if you
want the camera to change modes at a high lux setting. Use Default for normal day/night operation, and
use Darker to change modes at a low lux setting.
Transition Detect Time (sec): Controls the length of time the camera is exposed to a light level before
it changes to color or black-white mode. This setting is useful for dark scenes where a bright light is
momentarily introduced in the scene (for example, when a car with its headlights turned on passes the
camera scene).
Day Night Manual Mode
The Day Night Manual mode sets the IR cut filter to a fixed position depending on the Position setting.
Available settings include Day and Night.
Day: Sets the IR filter to the Day (color) position.
Night: Sets the IR filter to the Night (black-white) position.
Note Position is the only available Day Night setting if the camera exposure is set to Manual.
Ta ble 3-1 Lux Transition Points for Incandescent Lighting
Transition Level Setting Day to Night Transition Point Night to Day Transition Point
Darker 1.8 lux 5.7 lux
Default 2.8 lux 5.7 lux
Lighter 4.5 lux 5.7 lux