GE Voluson 730Pro - Circumference;Area Measurements; Multiplane Measurements; Volume Measurements

GE MEDICAL SYSTEMS - KRETZTECHNIK DRAFT VOLUSON® 730PRO / 730PROV (BT´04)
D
IRECTION KTI105947, REVISION 2 SERVICE MANUAL
Chapter 4 - Functional Checks 4-23
4-4-7 Generic Measurements (cont’d)
4-4-7-2 Circumference/Area Measurements
1.) Press the CALIPER
key and then select the GENERIC AREA in the menu area.
2.) Select the corresponding item from the menu area. 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
and displays a second active caliper.
5.) To position the second caliper, move the TRACKBALL
and press SET (Rt. / Lt. trackball key).
NOTE: If you have selected a “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.
To adjust the width of the ellipse, move the TRACKBALL
.
7.) To toggle between calipers, or to readjust a traced line, press the upper trackball key.
8.) To complete the measurement, press SET
(right or left trackball key). The system displays the
circumference and area in the measurement results area.
Before you complete a measurement:
- To erase the ellipse resp. trace and the current data measured, select DELETE
or press the
BACKSPACE
key on the keyboard.
The original caliper is displayed to restart the measurement.
- To exit the measurement function, press the CALIPER
key or EXIT key on the control panel.
4-4-7-3 Volume Measurements
1.) Press the CALIPER
key and then select the GENERIC VOLUME in the menu area.
2.) Select the appropriate item.
3.) Perform the measurement(s) using the TRACKBALL
and SET (right or left trackball key).
For further details: see 4-4-7-1 and 4-4-7-2.
4-4-7-3-1 Multiplane 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 CALIPER
key once and select the MULTIPLANE item.
3.) Select the first section through the body by rotating the REF.SLICE
digipot (first section should
be set at the edge of the object).
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
calculated and displayed. It may even be “zero”. Press the SET
key twice.
6.) Select the next parallel section with the REF. SLICE
digipot and measure the area.
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 / NEXT
flip switch control.
NOTE: To erase the results, select the INIT
item at the menu area.