A6T/A6/A5 Portable Ultrasonic Diagnostic System
4701-0040-01A
3-36
3.6.1.4 Area/Circumference measurement (Ellipse, Trace)
Area/Circumference measurement includes Ellipse and Trace.
A．Ellipse
Function: Use an approximate ellipse to measure circumference and area
of an enclosed region.
Measurement method:
↓
↓
1. In B mode frozen state, press the【Calc】key to
pop up the Meas & Calc menu. Move the
trackball, use the cursor to select “Area/Cir”,
press the 【SET】key to go to the submenu.
Select “Ellipse”, press the 【SET】key to go to
“Ellipse” measurement mode.
2. Move the cursor to the start point of the fixing
axis of the ellipse measurement area. Press
the 【SET】key, and on the start point of the
fixing axis it displays the mark “+”.
3. Move the cursor to the end point of the fixing
axis of the ellipse measurement area. Between
the cursor “+” and “x” there is a connecting
dotted line. Press the 【SET】key, on the end
point of the fixing axis, it displays the mark “x”,
and on the screen it displays an ellipse.
4. Move the trackball to adjust the variable axis
length of the ellipse to match the ellipse with
the measured region. Move the trackball
leftward, and the variable ellipse axis is getting
small, Move the trackball rightward, and the
variable ellipse axis is getting bigger.
5. Press the【SET】key to confirm the ellipse
measurement area, and the result is displayed
in the result window, and it ends the
measurement.
6. Repeat steps 2 to 5 to perform the next
measurement.
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