Performing an Exam
2-22
LOGIQ E9
–
User Guide
Direction 5454884-100 English
Rev. 1
Circumference and area (trace) measurement (continued)
Open Trace
To trace the circumference of a portion of the anatomy and
calculate its length:
1. Press Measure.
2. Press the top Trackball key to select Open trace; a caliper
displays.
3. To position the caliper at the start point, move the Trackball.
4. To fix the trace start point, press Set. The caliper changes to
an active caliper.
5. To trace the measurement area, move the Trackball around
the anatomy. A dotted line shows the traced area.
6. To complete the measurement, press Set. The system
displays the circumference and the length in the Results
Window.
Before you complete the trace measurement:
• To erase the line (bit by bit) back from its current point,
move the Trackball or adjust the Ellipse control
counterclockwise.
• To erase the dotted line but not the caliper, press Clear
once.
• To clear the caliper and the current data measured, press
Clear twice.
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