GE Voluson 730 Service Manual page 103

GE M S - K
EDICAL YSTEMS
D 105844, R
IRECTION EVISION
4-4-7 Basic Measurements
4-4-7-2 Circumference/Area (using Ellipse or Trace) Measurements
1.) Press the MM key once.
2.) Touch the corresponding item on the Touch Panel. An active cursor displays.
3.) To position the active cursor, move the TRACKBALL.
4.) To fix the start point, press SET (the right or left trackball key). The system fixes the first cursor
5.) To position the second caliper, move the TRACKBALL and press SET (Rt. / Lt. trackball key).
NOTE: If you have selected the 2D TRACE item, the measurement is finished and the area and
circumference results appear on the screen.
6.) An ellipse appears the axis of which is defined by these two points.
7.) To toggle between calipers, press CHANGE (upper trackball key).
8.) To complete the measurement, press SET (right or left trackball key). The system displays the
Before you complete a measurement:
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4-4-7-3 Volume Measurements
1.) Press the MM key once.
2.) Select the appropriate item among 1 DIST.; 1 ELLIP.; 3.DIST.; 1 DIST.+ELLIP.
3.) Perform the measurement(s) using the TRACKBALL and SET (right or left trackball key).
4-4-7-3-1 3D Multi-Plane Measurements
NOTE: This volume measurement is only possible in 3D-Mode.
1.) Select the reference image in which the measurement is to be performed (A, B or C).
2.) Press the MM key once and select the 3D MULTI PLANE item.
3.) Select the first section through the body by rotating the REF.SLICE digipot below the Touch
4.) Position the start dot of the area which should be surrounded and store it with SET.
5.) Surround the area with the trackball, then press SET (right or left trackball key). The area is
6.) Select the next parallel section with the REF. SLICE digipot or the C-MODE digipot, and
7.) Repeat 5. and 6. until the edge of the measured object is reached.
NOTE: The contour of the measured area is not erased if a new section is adjusted. To call back the
measured areas touch the PREV. respectively the NEXT key on the Touch Panel.
NOTE: To erase the results, touch the INIT key on the Touch Panel.
U
RETZTECHNIK LTRASOUND
1
(cont'd)
and displays a second active caliper.
To adjust the width of the ellipse, move the TRACKBALL.
circumference and area in the measurement results area.
To erase the ellipse resp. trace and the current data measured, touch DELETE once.
The original caliper is displayed to restart the measurement.
To exit the measurement function without completing the measurement, touch EXIT on the
Touch Panel or press the MM key again.
For further details: see 4-4-7-1
Panel or by rotating the C-MODE digipot. (first section should be set at the edge of the object)
calculated and displayed. It may even be "zero". Press the SET key twice.
measure the area.
Chapter 4 Functional Checks
and 4-4-7-2.
V ® 730 S
OLUSON ERVICE
M
ANUAL
4-19