GigE Line Scan Camera
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User Manual
90
TDI refers to Time Delay Integration, and it is a method of line scanning which provides
dramatically increased responsivity compared to other video scanning methods. It permits much
greater scanning speeds in low light, or allows reduced lighting levels (and costs) at conventional
speeds.
In general, there are 3 TDI modes, including 1 line, 2-TDI and 4-TDI.
1 line refers to single line mode, and the camera selects 1 line data as output result.
2-TDI means that the camera overlaps 2 adjacent line data, and outputs 1 line data as final
result.
4-TDI means that the camera overlaps 4-line data, and outputs 1 line data as final result.
Go to Image Format Control > TDI Mode, and set TDI Mode according to actual demands.
Figure 11-3
Set TDI Mode
11.4 Scan Direction
The scan direction function may differ by camera models.
Make sure that the scan direction and the moving direction of objects are matched. Otherwise,
acquired images may be abnormal.
The scan direction function is used to change the scan direction of the sensor used on measured
objects. After selecting TDI Mode, you can go to Image Format Control > Reverse Scan Direction
to enable Reverse Scan Direction.
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