910-269-EN, Rev. B, June 2011
284 Chapter 17
Figure 17-7 The Wedge Delay acquisition screen with thickness measurement
reading at the top
9. If necessary, move the probe back and forth to acquire uncalibrated thickness-
measurement data across all focal laws.
To acquire the most accurate curve, move the probe slowly. Use a guide when
possible to avoid probe skew. Make multiple passes over the reflector.
10. Choose 1/5 > PA Cal > Erase to clear the current wedge delay curve and redraw a
new curve.
If the yellow wedge delay curve saturates the screen, adjust the gain to a lower
value and redraw the curve.
Thickness
measurement
(yellow line) for
the gated
indication across
all focal laws
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