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7.4.3
ROI (Region Of Interest) setting
In the GO-5000-USB, a subset of the image can be output by setting Width, Height, Offset-X, and Offset-Y.
If the height is decreased, the number of lines read out is decreased and as the result, the frame rate is
increased. However, in the horizontal direction, the horizontal frequency is not changed if the width is
decreased. In the GO-5000-USB, the minimum width is "16" and minimum height for GO-5000M-USB is "1"
and for GO-5000C-USB is "2".
Setting example (1)
Binning* Horizontal = 1
Binning* Vertical
OffsetX
Width
Width
OffsetY
Height
2560 Width Max
Fig.19
Setting example ( No binning)
7.5
Digital output Bit allocation
The following drawing shows Bit allocation of Digital output.
8bit
10bit
12bit
Note: Above figures are the average value of 100 x 100 pixels in the center.
GO-5000M-USB / GO-5000C-USB
= 1
* GO-5000M-USB only
Readout area
Video
247LSB
989.5LSB
3962LSB
Fig.21
Bit allocation (12-bit)
- 31 -
Setting example (2)
Binning* Horizontal = 2
Binning* Vertical
Readout area
Width
OffsetX
OffsetY
Height
1280 Width Max
Fig.20 Setting example (Binning)
Black
= 2
Offset
8LSB
33.5LSB
133LSB
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