B-K Medical Pro Focus 2202, User Manual

Page: 89 / 356

Making Measurements 89
Figure 5-1. Positioning 2 markers on a B-mode or Color mode image.
NOTE: The small numbers in the pictures (1,2) indicate the order in which the
markers appear. The numbers do not appear like this on the screen.
Repositioning
a distance
marker
To move a marker after they have all been positioned:
1
Click the marker.
2 Drag it to the new position.
3
Click.
Perpendicular Distances
Measuring
distances at
right angles
Sometimes it is important for one distance to be measured perpendicular (at right
angles) to another distance. In this case, a small square appears at the intersection
point when the two measurement lines are perpendicular to each other.
Angle Measuring Tool
On a B-mode or Color mode image, you can measure 1 angle or 2 angles. The angle
measuring tool works slightly differently from the other measuring tools. The
numbers in the instructions below refer to the numbers on the markers in Fig 5-2.
To measure an angle:
1
Click Angle.
A marker appears.
2 Position the marker and click.
A second marker appears, with a line connecting the two markers.
3
Position marker #2 to change the angle of the line. Click.
A third marker appears.
4 Position marker #3 and click.
A fourth marker appears, with a line connecting it to marker #3.
5
Position marker #4 to change the angle of the line. Click.
Angle alpha between the two lines is indicated on the image and the size of the
angle appears as a measurement to the left of the image.
Position first marker. First marker positioned;
position second marker.
Second marker positioned.