Using Vscan Air CL
5-26 Vscan Air – User Manual
Direction GP092020-1EN
Rev 18
Position and resize ROI
The size of the Region of Interest (ROI) has an effect on the
frame rate. The width of the ROI has a significant effect on
frame rate even more than the height of the ROI. Keep the box
sized just to the anatomy of interest and as close to center as
possible.
Drag your finger inside the ROI to move and position. The box
turns blue indicating that the controls for adjusting the ROI are
activated. Use the controls on the corners to adjust size.
Figure 5-19. Position and resize ROI
a. Flat linear array color flow
b. Curved linear array color flow
1. Resize ROI
2. Steer ROI
3. Nyquist/velocity bar
4. Move ROI
5. Color flow gain (left/right gesture)
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