Samsung SONOACE R5 Instrukcja Użytkownika Pobierz pdf (Strona 139)

100

101

5-15

Chapter 5 Measurements And Calculations

4. When the measurement is nished, its result is shown on the screen.

X

Circ.: Circumference of Object

X

Area: Area of Object

X

Avg.(C): Average Circumference

X

Avg.(A): Average Area

The equations used for ellipse measurement are as follows:

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

Area = , (a, b: Axis)

22D Trace

This is a basic measurement that is available in all diagnosis modes. You can measure the circumference

and area of an irregular object in a 2D image.

You can measure up to 4 distances. When taking more than one measurement, use measurement

cursors with dierent shapes to dierentiate them.

1. Use the Softmenu switch [2] Area / Circ to select 2D Trace. “2D Trace” is displayed on the left side

of the screen.

2. Use the trackball and the Set button on the control panel to specify the start point for tracing over

the contour of the measurement area.

X

Place the cursor at a desired position with the trackball, and press the Set button.

3. Trace the curve so that the measurement cursor returns to the start point, and then press the Set

button.

NOTE: Trace lines must be closed. If you press the Set button before tracing is complete, tracing

may be done over a straight line between the current point and the start point, resulting in a

signiﬁcant error.

4. When the measurement is nished, its result is shown on the screen.

X

Circ.: Circumference of Object

X

Area: Area of Object

X

Avg.(C): Average Circumference

X

Avg.(A): Average Area

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