Samsung SONOACE R3 Instrukcja Użytkownika Pobierz pdf (Strona 139)

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Chapter 5 Measurements and Calculations

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Circumference and Area Measurement

2D Ellipse

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

and area of a circular (elliptical) 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. Press the Softmenu button [2] Area / Circ to select 2D Ellipse. “2D Ellipse” is displayed on the left side

of the screen.

2. Use the trackball and the Set button on the control panel to specify the diameter (axis) of the meas-

urement area.

▶

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

Tips!

Repositioning Point

Pressing the Change button before pressing the Set button to complete positioning resets the

position of a point just set.

3. Specify the size of the circle (ellipse).

▶

Adjust the size using the trackball, and press the Set button.

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

▶

Circ.: Circumference of Object

▶

Area: Area of Object

▶

Avg.(C): Average Circumference

▶

Avg.(A): Average Area

The equations used for ellipse measurement are as follows:

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

Area

= , (a, b: Axis)

1 2 ... 134 135 136 137 138 139 140 141 142 143 144 ... 441 442

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