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Megapixel Cameras and Surveillance Software User Manual
CBC (America) Proprietary Information p.25
Day/Night
“Day/Night” settings apply only to MP3DN
camera.
“Automatic” enables the camera to
automatically switch from daylight
conditions (using the color sensor) to
nighttime conditions (using the
monochrome sensor), and back based
on the Threshold settings (see below).
“Day” enables the daylight mode and
disables the nighttime mode.
“Night” enables the nighttime mode and
disables the daylight mode.
“Threshold” adjusts the automatic
switching of the camera:
“Switch At” adjusts the level of
darkness to switch from daylight to
nighttime mode.
“Toggle Guard” adjusts the level of
brightness to switch from nighttime
to daylight mode. Toggle Guard
set to 0% corresponds to “Switch
At” set to 100%. Toggle guard
should be adjusted to prevent mode
toggling during the transitional
lighting.
Auto-Iris
The Auto-Iris menu allows monitoring the state of the automatic DC iris. If the scene is too dark, the
camera will open the iris fully. This allows more light onto the sensor and will substantially improve the
low-light performance. If the scene is too dark when the camera is started, the camera will not close the iris
until there is enough illumination.
Camera DC auto- iris can be configured using “Auto-Iris” menu:
The iris can be disabled by un-checking “Enabled”. The camera will open the iris fully and have
electronic auto-exposure working. This configuration is identical to using a manual lens.