Samsung SA8000 SE Manual de usuario descargar pdf (Pagina 7)

Chapter 5.Measurements and Calculations 5 - 7

Circumference and Area Measurement

▐ 2D Ellipse Measurement: measures elliptical objects

This measurement is available in all diagnosis modes. The measurement results are

displayed in cm or mm (circumference) or cm

or mm

(area). A maximum of four sets of

measurements can be displayed at one time. Average circumference and average area

are shown together. This tool is especially useful for bladder and prostate measurement.

The measurement formulas and methods are outlined below.

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Circ

, (A: Long axis, B : Short axis)

baArea ××=

, (a, b: Axis)

1. Press the Caliper button, and the currently selected measurement item appears on

the left side.

2. Select ‘2D Ellipse’ by pressing Flexible Soft button [2] Area/Circ or by pressing

Change or Caliper button several times.

3. Use the Trackball to position the cursor on the two points of the ellipse. Press the

Set button to fix the points.

4. Pressing the Change button before pressing Set button allows the measurement

area to be reset.

5. After the ellipse appears with the two points as an axis, adjust the shape (or another

axis) of the ellipse using the Trackball. Then, press the Set button.

6. After position setup, the measurement results are displayed on the screen.

7. A new cursor appears for a new measurement.

▐ 2D Trace Measurement: measures objects with an irregular shape

This measurement function is available in all diagnosis modes. The measurement results

are displayed in cm or mm (circumference) or cm

or mm

(area). A maximum of four sets

of measurements can be displayed at one time. Average circumference and average area

are shown together. The measurement formulas and methods are outlined here.

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)1()()()1( −×−×−= nYnXnYnXsumArea , (N = 1,2… last point)

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Samsung SA8000 SE Manual de usuario Pagina 7

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