Performing an Exam
2-58 Versana Essential – User Guide
5759238-100 English
Rev. 2
Circumference and area (trace) measurement
Trace
To trace the circumference of a portion of the anatomy and
calculate its area:
1. Press the Measure key in Measure mode to select Trace.
2. To position the caliper at the start point, move the Trackball.
3. To fix the trace start point, press Set. The caliper changes to
an active caliper.
4. To trace the measurement area, move the Trackball around
the anatomy. A dotted line shows the traced area.
5. To complete the measurement, press Set. The system
displays the circumference and the area in the Results
Window.
Open Trace
To trace the circumference of a portion of the anatomy and
calculate its length:
1. Press the Measure key in Measure mode to select Trace,
an active caliper displays.
2. To position the caliper at the start point, move the Trackball.
3. To fix the trace start point, press Set. The caliper changes to
an active caliper.
4. To trace the measurement area, move the Trackball around
the anatomy. A dotted line shows the traced area.
5. To complete the measurement, press Set. The system
displays the circumference 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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