
314 VisualSonics Vevo 2100 Imaging System Operator Manual Rev 1.1
Chapter 43: Acquiring Color Doppler Mode images
Parameter Description
Width
The width of the acquired image area, measured in
mm. Adjust with the
Image Width
control.
Beam Angle
The number of degrees of steer to the ultrasound beam so you generate flow direction
information when the orientation of your target vessel is perpendicular or almost
perpendicular to your ultrasound beam. Adjust with the
Beam Angle
control.
Sensitivity
The signal resolution level. Adjust with the
Sensitivity
control.
Display
Parameter Description
Persistence
The state of the Persistence feature: Off, Low, Med, High, Max. Adjust with the
Persist
control.
Line Density
The line density level. One of four settings: Quarter, Third, Half, Full. Adjust with the
Line Density
control.
Display Map
The selected predefined display map from the predefined set of maps. Adjust with the
Display Map
control.
Wall Filter
The level of low velocity signals, measured in Hz, filtered out of the spectral display.
Adjust with the
Wall Filter
control.
Priority
The threshold level on the B-Mode gray scale, displayed as a percentage, above which
the system does not apply color data. Adjust with the
Priority
control.
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