Table of Contents
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Table 29 Measurement troubleshooting (continued)
Symptom
Strong echoes, incorrect
measurements
Possible explanation
•
Out of calibration; perform calibration.
•
Differential mode — check DIFF flag.
•
Min or Max mode — see "Using the
Minimum, Maximum, or Min/Max Thickness
Mode" on page 115.
•
Material is too grainy, has flaws, inclusions or
laminations, or very high surface noise; try
manual gain adjustment or extended blank.
Maintaining and Troubleshooting the 38DL PLUS
DMTA-10004-01EN, Rev. D, November 2016
273
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Troubleshooting
