Image Optimization 5-17
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 is displayed in the image
parameter area in the top-right corner of the screen.
Operations
Select using the [WF] item or the mapping-menu item on the touch screen.
There are 8 levels of wall filter function available. Select the value according to the
actual situation.
Flow signals may be missing.
Smart Track
Description
To optimize image parameters as per the current tissue characteristics for a better
image effect. The angle and the position of the ROI are adjusted after the function is
enabled. The area is tracked without being affected by the dynamic moves.
Tap [Smart Track] on the touch screen under Color/Power mode. The angle and the
position of the ROI are adjusted automatically. The vessels lay in the middle of the ROI.
Priority
This function is used to set the levels of the flow display and to display the grayscale
signal or color signal.
Rotate the knob under the [Priority] item or the mapping-menu item on the touch
screen to select the value.
The adjusting range of the priority is 0-100% in increments of 1%.
The higher the value, color signals are first to be displayed. The lower the value,
grayscale signals are first to be displayed.
Velocity tag
This function is used to mark the specified velocity range in the flow to check the flow
function or specific flow velocity value.
1. Touch [Velocity Tag] or the mapping-menu item on the touch screen to enter the
velocity marking status. A green mark appears on the color bar.
2. Roll the trackball upwards and downwards to select the marking velocity.
3. Press <Set> to enter the tag range selection status, and roll the trackball upwards
and downwards to select the range.
Press <Set> to switch between marking position and marking range.
iTouch (Auto Image Optimization)
To optimize image parameters as per the current tissue characteristics for a better
image effect.
Operations
Press <iTouch> on the control panel to turn the function on.
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