Full Digital Color Doppler Ultrasonic Diagnostic Instruments (Vet) User’s Manual V1.01
- 52 -
2.
Select [Volume] on the menu by moving the trackball and press
Set
to confirm. Select[Ellipse] on the
pop-up menu. A marker displays on the image.
3.
Move the marker to the starting point by using the trackball, press
Set
to fix the marker and the second
marker displays.
4.
Move the second marker to the end point by using the trackball and press
Set
. An ellipse displays on
the image.
If you are not satisfied with the lengths of axes during measurement, press the
Change
on the control
panel to readjust.
5.
Move the trackball to adjust their lengths of axes, then press
Set
to confirm.
6.
The system automatically calculates the volume, and the measurement result displays in the result box.
10.5.1.4 Area Ratio
The value of area ratio between two ellipses and trace areas can be measured.
Ellipse ratio
It is used to measure the value of area ratio between two ellipses.
Steps:
1.
Press the
Caliper
key to activate the measurement, and the measurement menu displays on the top left
of the screen.
2.
Select [Ratio(A)] on the menu by moving the trackball and press
Set
to confirm. Select[Ellipse] on the
pop-up menu. A marker displays on the image.
3.
Move the marker to the starting point by using the trackball, press
Set
to fix the marker and the second
marker displays.
4.
Move the second marker to the end point by using the trackball and press
Set
. An ellipse displays on
the image.
If you are not satisfied with the lengths of axes during measurement, press the
Change
on the control
panel to readjust.
5.
Move the trackball to adjust their lengths of axes, then press
Set
to confirm the first ellipse.
6.
Repeat step 3-5 to draw the second ellipse. The system automatically calculates the area ratio, and the
measurement result displays in the result box.
Trace ratio
It is used to measure the value of area ratio between two trace areas.
Steps:
1.
Press the
Caliper
key to activate the measurement, and the measurement menu displays on the top left
of the screen.
2.
Select [Ratio(A)] on the menu by moving the trackball and press
Set
to confirm. Select[Trace] on the
pop-up menu. A marker displays on the image.
3.
Move the marker to the starting point by using the trackball, press
Set
to fix the marker and the second
marker displays.
4.
Move the second marker along the target object by using the trackball.
5.
Press
Set
to confirm the first trace.
6.
Repeat step 3-5 to perform a second trace measurement. The system automatically calculates the trace
ratio, and the measurement result displays in the result box.
10.5.1.5 Distance Ratio
It is used to measure the value of distance ratio between two lines.
Steps:
1.
Press the
Caliper
key to activate the measurement, and the measurement menu displays on the top left
of the screen.
