SPX SPIDAR NIC-500s Operation Manual page 51

SPIDAR Software
Figure 4-25: Begin odometer calibration by pushing system the selected distance
Free Run
Free run mode allows the system to pulse based on a specified time interval. This is best for
survey conditions not suited to using an odometer wheel. For the position of each measurement
point, the system assumes the operator has moved the antennas one step size along the survey
line. Data is collected even when the system is not moving, so proper data collection relies on
the operator moving the system at a consistent speed.
Regardless of whether there is a single NIC-500 (Figure 4-26) or multiple NIC-500s (Figure
4-27), the following options will appear beneath it:
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