
Operation Manual
4-16
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Display Mode
Set how Color Doppler Mode is displayed. Select Color + B/W, Color Only, or B/W Only with the
dial-button.
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Color Mode
Set the contents that are displayed in color. Select Velocity, Power, Variance, or Vel + Var with the
dial-button. When Velocity or Vel + Var are selected, numbers will be displayed above and below the
color bar, indicating the color scale values. When Variance is selected, +1 and -1 will be displayed. If
Power is selected, no numbers will be displayed.
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Density
Set the scan line density. Use the dial-button to select Medium, High or Low.
Selecting High will increase the number of scan lines and therefore increase the image resolution.
Note that the frame rate will drop.
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Baseline
Move the baseline on the color bar. Turn the dial-button clockwise to raise the baseline on the color
bar.
When the display method for Color Mode is set to Variance, the baseline cannot be adjusted.
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Filter
Press the dial-button to turn it on or o. When on, low-frequency Doppler signals from the
movement of the vessel walls are removed.
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Power
Power is the intensity of the acoustic output. Select a value between 10 and 100 with the dial-
button.
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Multi Frequency
Adjust the frequency within the ROI box. Select Pen or Gen with the dial-button.
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