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VIVOTEK
56 - User's Manual
IR cut lter
With a removable IR-cut lter, this Network Camera can automatically remove the lter 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 lter when a Digital Input is triggerred.
For example, an external IR light may come with its own detection circuits.
Exclude x
Tips:
If there is an object in close proximity, the IR lights
reflected back from it can mislead the Smart IR’s
calculation of light level. To solve this problem, you
can place an “Exposure Exclude” window on an
unavoidable object in the Exposure setting window.
See page 6159 for how to do it.
You can also configure the “Exposure Exclude”
window in a night mode “Prole” setting so that your
day time setting is not affected.
Exclude x
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