The Measurement Application Menu displays Measure Presets (1 Factory and 3 user-
definable presets) and Measure Applications.
With
Result Size
the font size of the results can be adjusted and
Result Pos.
enables
positioning the result window with the trackball (green border).
Transp.
enables adjusting the
transparency of the measure result background. With
Off
the transparency can be switched
off.
10.2 Generic Measurements
By pressing Calc the Generic Measurement function is switched on (if used last before) and a
cursor appears on the frozen image area. The Generic Measurement Menu is displayed and
read mode is activated.
Basic operations
1.
Basic operations done with the trackball
•
positioning of the measuring mark
•
entering and storing measuring marks: right/left trackball key (
Set
)
•
changing measuring marks: upper trackball key (
Change
)
2.
Erasing measurement results (different possibilities)
•
Clear
on the control panel
•
Delete Last
,
Cancel
or
Clear Group
3.
Exiting the Generic Measurement program
•
Exit
on the control
Available measurements:
•
2D Distance and Length Measurements
•
2D Area Measurements
•
2D Volume Measurements
•
2D Angle Measurements
•
3D Volume Measurements
•
Generic M-Mode Measurements
•
Generic Doppler-Mode Measurements
All measurements and calculations are based upon the primitives frequency, length and time.
The measuring points in pixel coordinates are converted into primary values. Graphical
measurement tools are also used to extract primary values from the ultrasound images. These
values are used for measuring and calculating the desired results.
10.2.1 Generic Distance and Length Measurements
Note
To re-adjust a previously set measure point, press the upper trackball key (Change/Undo)
before completing a measurement. This will alternate the control from one cursor to the other
(Chnage) or clear the last trace movement (Undo). This applies to all measurements listed
below.
Dist. 2Point
To measure the distance between two points on a 2D image:
1.
Select
Dist 2Points
. The measurement cursor appears.
Measurements and Calculations
10-4
Voluson™ SWIFT / Voluson SWIFT+ Instructions For Use
5831612-100 Revision 4
Содержание Voluson Swift
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