Service manual

GE MEDICAL SYSTEMS
D
IRECTION 2300749-100, REVISION 2LOGIQ
TM
3 SERVICE MANUAL
Chapter 4 4-23
4-4-7 Basic Measurements
NOTE: The following instructions assume that you first scan the patient and then press Freeze.
4-4-7-1 Distance and Tissue Depth Measurements
1.) Press MEASURE once; an active caliper displays.
2.) To position the active caliper at the start point (distance) or the most anterior point (tissue
depth), 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 active caliper at the end point (distance) or the most posterior point
(tissue depth), move the TRACKBALL.
5.) To complete the measurement, press SET. The system displays the distance or tissue depth
value in the measurement results window.
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.
NOTE: To rotate through and activate previously fixed calipers, turn CURSOR SELECT.
NOTE: After you complete the measurement, to erase all data that has been measured to this point,
but not data entered onto worksheets, press CLEAR.
4-4-7-2 Circumference/Area (Ellipse) Measurement
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.) Turn the ELLIPSE control; an ellipse with an initial circle shape appears.