DMTA-10004-01EN, Rev. D, November 2016
Chapter 10
144
10.3.1 Using the B-Scan
The following procedure describes how to activate and use the B-scan.
To use the B-scan
1. While in the measurement screen, press [SETUP MENU].
2. In the menu, select B-SCAN.
3. In the B-SCAN screen, set B‑SCAN ENABLE to ON, and configure the other
B-scan parameter as desired (see “B-Scan” on page 139).
4. Press [MEAS] to return to measurement screen with the B-scan active.
The B-scan begins drawing the cross section of the material as soon as the first
non-LOS reading is collected.
5. To stop the collection of B-scan data:
Press [FREEZE].
OR
With B‑SCAN LOS MODE set to STOP ON LOS, simply uncouple the
transducer from the test material.
6. While the B-scan is frozen, if B‑SCAN FREEZE REVIEW is set to ON, use the []
and [] keys to move the review marker and read the thickness value
corresponding to the marker position.
7. Press [MEAS] again to reset the B-scan and begin a new B-scan.
8. Refer to “Saving B-Scans, A-Scans, or Thickness Readings” on page 145 for details
on how to save B-scan data.
10.3.2 Using the B-Scan Alarm Mode
You can specify B-scan low and high alarm reference values and turn the visual and
audible alarm functions ON and OFF. The B-scan alarm mode is similar to the
standard alarm mode (see “Using Alarms” on page 117) except that the alarm lines
are shown in the B-scan grid, as long as the alarm reference values fall within the
B-scan thickness range. The alarms are also operational as you review B-scan
thicknesses in review mode, in a frozen B-scan.
To use the B-scan alarm mode
1. Activate and configure the B-scan (see “Using the B-Scan” on page 144).
2. While in the measurement screen, press [SETUP MENU].
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