User's Manual

Acclarix LX9 Series Diagnostic Ultrasound System User Manual Imaging
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Invert
Normally, signals above the baseline are positive velocities (moving
toward the transducer). However, when Invert is pressed then
negative velocities are above the baseline. Invert does not affect the
baseline position. Invert is not available in PDI mode.
Baseline
The Baseline control adjusts the Color baseline. Upward presses
move the baseline up on the scale and downward presses move the
baseline down. Baseline is not available in PDI mode.
Wall Filter
The Filter control removes excessive noise from movement of
vessel walls. Options of Low, Med and High are available.
Map
Adjusts the current map for the active color variation.
Persist
Persistence determines the number of frames that are averaged
together for display. Levels of Off, Low, Med and High are available.
Smooth
Filter
The smoothness filter determines the spatial filtering that is applied
to the Color image. Higher filter levels create a smoother image.
Upward presses increase the filter. Downward presses decrease the
filter.
Threshold
When the system receives both B-mode and color signals from a
region within the Color ROI box, the Threshold determines whether
to display overlapping signals as grayscale or color.
In Color mode, higher Threshold values display more color, and
lower Threshold values display more grayscale.
In TDI mode, higher Threshold values display more grayscale, and
lower Threshold values display more color
Upward presses increase threshold. Downward presses decrease
threshold.