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4) Touch the “FREEZE” button (4) to perform measurement and then touch
the “Set Ref” button (5). The value displayed in the gain field is set to the
Ref. gain.
5) Release FREEZE mode again and align the peak of the object section (Obj.
peak) with the line height.
6) When measurement is completed by touching the “FREEZE” button (4), the
gain value appears in the Obj. gain field (6). Switching the page by touching
the “←” or “→” button changes the gain shown in “Set Obj” to the gain of the
waveform displayed on the current page. At the same time, the Ref.
waveform and the dB difference appear at (7).
7) When FREEZE mode is released after the result is displayed, the Obj. gain
is cleared.
8) Touch the “Ref. Wave” button (8) to open the Ref. Data display screen to
set the Ref. gain again.
Refer to “3.9.1 Switching to the A-scan diagnosis” for how to delete the Ref.
Data.
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