GE LOGIQ 7

OB Measurements and Calculations
LOGIQ 7 Basic User Manual 9-27
Direction 2392206-100 Rev. 1
Fetal Trunk Area (FTA) (continued)
Two distances 1. Select FTA; an active caliper displays.
2. Make the first distance measurement:
a. To position the active caliper at the start point, move the
Trackball.
b. To fix the start point, press Set.
The system fixes the first caliper and displays a second
active caliper.
c. To position the second active caliper at the end point,
move the Trackball.
A dotted line connects the measurement points, if
preset accordingly.
d. To complete the measurement, press Set.
The system displays the distance value in the Results
Window and displays an active caliper.
3. To make the second distance measurement, repeat steps
a–d above.
The system displays the measurement in the Results
Window.
HINTS
• Before you complete a measurement:
• To toggle between active calipers, press Measure.
• To erase the second caliper and the current data
measured and start the measurement again, press
Clear once.
• To rotate through and activate previously fixed calipers,
adjust Cursor Select.
• After you complete the measurement, to erase all data that
has been measured to this point, but not data entered onto
worksheets, press Clear.