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LOGIQ 7 Quick Guide
Color Flow/PW Doppler Image Optimize
Angle Correct
Estimates the flow velocity in a direction at an angle
to the Doppler vector by computing the angle
between the Doppler vector and the flow to be
measured.
Angle Steer/Fine Angle Steer
Angle Steer slants the Color Flow region of interest
or the Doppler M line to obtain a better Doppler
angle. Press Angle Steer to access Fine Angle
Steer. Fine Angle Steer allows you to steer the
Doppler cursor left/right 10 and 20 degrees.
Available from the Doppler Mode Touch Panel.
Baseline
Adjusts the baseline to accommodate faster or
slower blood flows to eliminate aliasing.
Direction 2291859-100 Rev. 1
PRF/Wall Filter
Velocity scale determines pulse repetition
frequency. If the sample volume gate range
exceeds single gate PRF capability, the system
automatically switches to high PRF mode. Multiple
gates appear, and HPRF is indicated on the display.
Wall Filter insulates the Doppler signal from
excessive noise caused from vessel movement.
NOTE: Push key to toggle between PRF and Wall
Filter.
Threshold
Threshold assigns the gray scale level at which
color information stops.
Map
Allows a specific color map to be selected. After a
selection has been made, the color bar displays the
resultant map.
Invert
Allows blood flow to be viewed from a different
perspective, i.e. red away (negative velocities) and
blue toward (positive velocities). The real-time or
frozen image can be inverted.
Packet Size
Controls the number of samples gathered for a
single color flow vector.
Color Flow/Doppler Mode
Image Optimize
9
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