James Rebarscope R-C-400 Operator's Manual page 20

Step 3: Using the down arrow key, scroll the highlighted section
down to the bar diameter category. Once this line is highlighted,
use the right or left arrow keys to choose the proper bar diameter.
Step 4: Now, pass the sensing probe on the surface of the test
structure until the smallest cover is displayed on the right hand
corner of the screen.
Step 5: The Rebarscope® allows the user to choose the minimum
cover to analyze with. This feature is referred to as the S min. Using
the up or down arrow key, scroll the highlighter down to the S min
category and use the left or right arrow keys to choose an S min that
ranges from 0.4 - 5.0.
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Figure 8: Choosing Bar Diameter
Figure 9: Setting Minimum Cover
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