SPX Radiodetection SENSORS & SOFTWARE LMX150 Operation Manual page 39

Ground penetrating radar
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4.2.6 Odometer
This test ensures that the odometer is calibrated properly for distance. Even though the
odometer is calibrated in the factory, you must calibrate it periodically to ensure accuracy. This
is particularly important as the calibration can change with different surface materials.
When selecting this option, you will see the screen in Figure 4-17. The following options exist:
Odometer Test – This test verifies the odometer is calibrated properly. It involves
moving the system a set distance (5m or 10', depending on units used), and comparing
the value obtained to a known value. The screen in Figure 4-18 will be displayed once
Odometer Test is pressed. Press Start to begin and then press Finish when you've
moved that distance. It will display a pass or fail, along with a percentage difference
from the known value (Figure 4-19).
Figure 4-17: Screen displaying current odometer calibration
39
Tools & Setup

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