
Operation Manual
4-14
C Mode Screen
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ROI Box
ROI stands for Region Of Interest. In Color Doppler Mode, the ROI box outlines the area of the 2D
image where color (blood ow) information is displayed.
Use the Change button to adjust the position and size of the ROI box. Each time you press the
Change button, the status of the ROI box is shown in the lower left corner of the screen as follows:
X ROI Position: You can move the ROI box. Use the trackball to move the ROI box and press the
Set button to conrm its new position.
X ROI Size: You can resize the ROI box. Use the trackball to resize the ROI box, press the Set
button to conrm its new size.
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Color Bar
In Color Doppler Mode, the color bar indicates the direction and speed of blood ow. Relative to
the baseline in the middle, the red color indicates the direction and speed of blood owing toward
the probe. Conversely, the blue color indicates the direction and speed of blood owing away from
the probe.
C Mode Soft Menu
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Steer
NOTE: The Steer function appears on the menu only when the linear probe is in use.
This minimizes the loss of color information by adjusting the ultrasound beam angle. Select Left,
None, or Right for ROI with the dial-button.
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Invert
Press the dial-button to invert the color bar in the opposite direction. Inverting the color bar also
inverts the colors displayed on the image.
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