Image Optimization 5-15
Operation
Tap [Smooth] on the touch screen to adjust the parameters.
The system provides 6 levels of smooth function. The bigger the value is, the higher the
smooth becomes.
Scale
Description
This function is used to adjust the speed range of color flow, which is adjusted through
PRF in the system.The real-time PRF value is displayed in the image parameter area in
the right corner of the screen.
Operation
Turn the knob under [Scale] on the touch screen to complete the adjustment.
Gray Map
To provide a much clearer color flow image.
Use low PRF to observe low-velocity flows, and use high PRF to observe high-velocity
flows.
Impacts
Aliasing may occur if low velocity scale is used and high velocities are encountered.
Low velocities may not be identified when a high velocity scale is used.
Baseline
Description
Refers to the area where the velocity is zero in the scale.Adjust according to the actual
situation so as to get an optimum flow display.
Operation
Toggle the knob <Baseline> to complete the adjustment. Positive value means to
increase the signals below the baseline, and negative value means to increase the
signals above the baseline.
Invert
Description
To set the display mode of the color flow, the color scale will be inverted when the
function is activated.
Operation
Tap [Invert] on the touch screen to complete the adjustment.
Then the color bar can automatically invert when the color flow is steered to a certain
angle to
accommodate operators’ habit of distinguishing flow direction. Select [Auto
Invert] via [Setup]
[System Preset]
[Image].
It is available only for linear probes.
Tint map
Description
This function is a combination of several image parameters, which indicates the display
effect of color image.
Operation
Tap the [Tint Map] item on the touch screen to select the map.
The system provides 21 different maps to be selected among, where the V group
provides 11 ordinary maps and the VV group provides 10 2D maps.
WF (Wall Filter)
Description
It filters out low-velocity signals to provide effective information, and this function is used
to adjust the filtered frequency. The real-time value (WF) is displayed in the image
parameter area in the right corner of the screen.
