Image Optimization 5-21
5. The image is frozen after completing the capture. Review the single-frame or cine file.
6. Measure speed, volume flow and WSS. Click [Import data] to import result window and velocity
curve data.
7. Press <B> on the control panel or the user-defined key to quit V Flow mode.
5.6.2 V Flow Mode Image Parameter
The parameters on B mode and Color mode are same with these on V Flow mode during V Flow scan.
During V Flow scan, menus of image optimizing for B mode, Color mode and V Flow are displayed on
the touch screen at the same time. You can switch among them by tapping the mode tabs.
In Color Mode, acoustic power is synchronous with that of B Mode. Adjustment of the depth to the B
mode image will lead to corresponding changes in V Flow mode image.
5.6.3 V Flow Mode Image Optimization
Quality
To adjust the image quality
Tap [Quality] to adjust the parameter.
There are seven values of the spectrum.
Impacts The filling, smoothness and the image effect have slight change after completing the v
flow adjustment.
V Flow Map
This function is a combination of several image parameters, which indicates the
display effect of color image. The blood flow information is displayed via switching
among the different spectrums.
Operation Tap [V Flow Map] to adjust the parameter.
There are four values of the spectrum.
Impacts The color of the arrow changes after completing the adjustment.
Gain
Description Used for adjusting the sensitivity of the blood flow signal.
Operation Rotate the knob under [Gain] to adjust the parameter.
Impacts The filling of the blood becomes more with the value becoming larger, and the arrows
becoming more.
The filling of the blood becomes less with the value becoming smaller and the arrows
becoming less.
Arrow Density
Description Used for adjusting the arrows’ number in the unit area.
Operation Rotate the knob under [Arrow Density] item on the touch screen.
Impacts The arrow becomes more with the density becoming more compacted.
The arrow becomes less with the density becoming fewer.
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