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3. Operating in Phased Array Mode
FIGURE 3-2—The A-Scan can be displayed (note its vertical orientation) together with either the Sector (shown here) or
Linear Scan.
3.2
Displaying Results (Phased Array)
The instrument display screen contains reading boxes in
which it displays up to four measured readings at one time.
Each window shows the measured value, it's identifying
label (such as A%A) and, in smaller digits, the number of
the beam in which it occurred. Measured values available
for display include the following (availability depends on
instrument configuration and operating mode):
NOTE: The ^ symbol indicates that GATE detection
mode is set to PEAK while / indicates it is set to FLANK.
All measurements are relative to the origin line.
Gate triggering can, in some cases, occur at a point
that does not appear on the display screen. Setting the
GATE SHAPE Function to DEPTH BASED ensures
that off-screen triggers of the A- or B-Gates are ignored.
See
Section 2.8.4.
•
BEAM—Angular position of the Beam Cursor in
Sector View, or Beam number in Linear view.
•
P%A—Peak amplitude of all beams in scan that are
currently captured by Gate A (as a % of FSH)
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•
PSA^—Peak soundpath distance of all beams in
scan that are currently captured by Gate A
•
PPA^—Peak projection distance of all beams in
scan that are currently captured by Gate A
•
PDA^—Peak material depth of all beams in scan
that are currently captured by Gate A
•
PZA^—Peak uncorrected depth of all beams in scan
that are currently captured by Gate A
•
P%B—Peak amplitude of all beams in scan that are
currently captured by Gate B (as a % of FSH)
•
PSB^—Peak soundpath distance of all beams in
scan that are currently captured by Gate B
•
PPB^—Peak projection distance of all beams in
scan that are currently captured by Gate B
•
PDB^—Peak material depth of all beams in scan
that are currently captured by Gate B
•
PZB^—Peak uncorrected depth of all beams in scan
that are currently captured by Gate B
•
A%A—Amplitude (as a % of full-screen height) of
the highest echo to cross A-Gate in the beam se-
lected by the beam cursor.
PHASOR XS Operating Manual
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