5-16 ACUSON Freestyle User Manual
Scanning
Measurements
Performing a Measurement
The measurements function can be performed from real-time scanning or starting with a frozen
image. Up to ten individual measurements can be made on an image.
To perform measurements on an image:
1. Press the MEASURE Soft Key. The image will freeze and the measurement choices will
appear in a menu above the key.
2. Use the Rotary knobs to make your selection, highlighting the item with the outer knob,
and activating it with the inner knob.
3. When you select DISTANCE, a cross-hair cursor will appear on the screen. Place this at
the starting point using the Trackball, then press the left Trackball button.
4. Use the Trackball to place the cursor at the endpoint, then press the left button again
to complete the measurement. During the drawing, you can reverse direction using the
Trackball to back up and delete parts of the trace. The numerical result is shown next to
the drawing.
5. Press Save to save an image with measurements.
Deleting Measurements
Press DELETE to delete the last completed measurement.
To skip to an earlier measurement for deleting, use Next.
To delete all measurements, press DELETE ALL.
Ellipse Measurement
To perform an ellipse measurement:
1. Activate the ellipse function by selecting ELLIPSE from the MEASURE sub-menu. This
brings up a cross-hair cursor you can position with the Trackball at the area of interest.
2. To display the ellipse form, press the left Trackball button. With the cursor inside the
ellipse, press the left button continuously and use the Trackball to reposition the ellipse.
3. To change the size or shape of the ellipse, place the cursor well outside of the ellipse and
press the left button continuously use the Trackball to change the shape or size of the
ellipse, moving the cursor to different positions around the ellipse to do so.
4. When you have nished, double-click the left Trackball button to complete the
measurement.
NOTE: It is possible to perform measurements on images being viewed from the
Study List, but the measurements cannot be saved in this case.
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