GE LOGIQ E9 User Manual page 106

Performing an Exam
Circumference and area (ellipse) measurement
HINTS
2-20
You can use an ellipse to measure circumference and area. To
measure with an ellipse:
1. Press Measure once; an active caliper displays.
2. To position the active caliper, move the Trackball.
3. To fix the start point, press Set. The system fixes the first
caliper and displays a second active caliper.
4. To position the second caliper, move the Trackball.
5. Adjust the Ellipse control; an ellipse with an initial circle
shape displays.
6. To position the ellipse and to size the measured axes (move
the calipers), move the Trackball.
7. To increase the size, adjust the Ellipse control in a
clockwise direction. To decrease the size, adjust the Ellipse
control in a counterclockwise direction.
8. To toggle between active calipers, press the top Trackball
key.
9. To complete the measurement, press Set. The system
displays the circumference and area in the Results Window.
Before you complete the ellipse measurement:
• To erase the ellipse and the current data measured, press
Clear once. The original caliper is displayed to restart the
measurement.
• To exit the measurement function without completing the
measurement, press Clear a second time.
LOGIQ E9
Direction 5454884-100 English Rev. 1
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User Guide