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3 Operation
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3.4.2.7.13 Shutter
Note
This tab is only available when a DCC1240x or DCC3240x Camera has been opened in uc480 Viewer and
provides parameters for setting the readout modes provided these camera's sensors (see also Shutter methods
and Line scan mode in the "Basics" chapter).
Area
Global shutter
The camera is operated in global shutter mode. This mode allows capturing fast-moving objects without
geometric distortions.
Global shutter (alternative timing)
When using the camera in global shutter mode there can be in some cases problems with the black level. In the
mode "Global shutter (alternative timing)" the sensor holds the black level as in rolling shutter mode. This mode
should not be used with a frame rate below 2 fps.
Rolling shutter
The camera is operated in rolling shutter mode. This mode reduces image noise in image capture. To capture
fast-moving objects in rolling shutter mode, you might need a flash.
Note that the flash timing can conflict with the sensor exposure if you use flash in rolling shutter mode without
global start.
Rolling shutter (global start)
The camera is operated in rolling shutter mode but with global start. As in this mode the exposure of all lines
is started at the same time, this mode is especially suitable for flash.
For further information see "Basics": Shutter methods .
Line
Note
Currently, only the monochrome DCC1240M and DCC3240M/N camera models support the "fast line scan" mode.
Fast linescan
Enables the sensor's fast line scan mode.
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