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Data Collection
For either scenario above, once the red hyperbola is properly positioned, you can now use the +
and – buttons on the Soil Cal button to widen or tighten the shape. Once the shape is matched
(Figure 8-11 and right image of Figure 8-12), you now have the correct Soil Cal and the
measured depths will be most accurate. Press Apply to use this value.
If you get a Soil Cal near 300, this could be an Air Wave (Section 7.5), and you should calibrate
to a different hyperbolic response.
Pause button
The Pause button allows you to stop data collection temporarily, and then resume again, without
clearing the data from the screen. This might be useful if you want to collect a series of parallel
lines over a target and show all the passes on the screen for comparison.
Once you collect some data, press Pause. You can now move the LMX200 without data
scrolling on the screen. When you are ready to resume collecting data, press Start. You will see
a thick, red vertical line, corresponding to when you hit the Pause button and then restarted
(Figure 8-13).
Figure 8-13: Pressing Pause and resuming data collection.
Drawing arrows
The RD1100 offers the ability to draw arrows on the screen to highlight features. Touch the
screen where you want the head of the arrow to appear, and then swipe away in the direction of
the shaft. Alternatively, if you just tap the screen, it will insert a vertical arrow pointing up at that
© Radiodetection 2016
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RD1100 Operation Manual
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