Image Optimization 5-19
Click [Duplex/ Triplex] on the image menu to turn on or off the synchronization.
Auto Calculation
This function is used to trace the spectrum and calculate parameters of PW
mode image, and the results of which are displayed in the result window.
Turn on or off the auto calculation function through the [Auto Calc] item on the
image menu.
Auto
Calculation
Parameter
Select parameters in the dialogue box prompted by clicking [Auto Calc Param]
on the image menu.
To set the number of heart cycle for auto calculation.
Click [Auto Calc Cycle] on the image menu to select the cycle number.
In real-time scanning, the results displayed are derived from the calculation of
latest cardiac cycle;
In the freeze and cine status, the results displayed are calculated from the
current selected area.
Trace
To set the trace area of the Doppler wave in the spectrum map, applicable for
auto calculation.
Change the trace area through the [Trace Area] item on the image menu.
The available selections are: Above, Below, All.
SV
To adjust the SV position and size of sampling in PW mode, the real-time
value of SV and SVD are displayed in the image parameter area in the upper
right corner of the screen.
Click the [SV] on the image menu to adjust the SV size.
Roll the trackball to select the SV depth.
The smaller the SV size, the more accurate the result; and more details are
obtained when selected large SV size.
iTouch
To optimize image parameters as per the current tissue characteristics for a
better image effect.
Press <Gain/ iTouch> on the control panel to turn on the function.
Angle
This function is used to adjust the angle between Doppler vector and flow to
make the velocity more accurate.
The real-time adjusting angle value is displayed on the right part of the
spectrum map.
Click the <Angle> item on the image menu to adjust.
The adjustable angle range is -89~89°, in increments of 1°.
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