910-269-EN, Rev. B, June 2011
Managing Phased Array Image Display 261
14.4.1 A-scan Grid Mode
The rulers available for display on the A-scan representation are the same as in
conventional ultrasound mode. They are available from the A-Scan setup page
accessible by choosing 3/5
> Display Setup > A-Scan Setup. These include:
Y-Axis Grid Mode
Amplitude height in 100 % or 110 %.
X-Axis Grid Mode
Standard 10 Divisions, Sound Path, Leg, or Off
14.4.2 Image Rulers
Two rulers are active for the S-scan image.
Ver ti cal
The vertical ruler displays depth measurements per grid division in the currently
selected measurement units (in., mm, or µs).
Horizontal
The horizontal ruler displays surface distance measurements per grid division in
the currently selected measurement units (in., mm, or µs).
In angle beam applications, the horizontal-ruler scale is based on the front of
wedge and not the beam index point. This allows the ruler to maintain consistent
values regardless of focal law selection.
14.4.3 Reject
The 1/5 > PA P/R > Reject parameter eliminates unwanted, low-level signals from the
display. It is linear and adjustable from 0
% to 80 % FSH. Increasing the Reject value
does not affect the amplitude of the signals above the reject level.
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