Measure and enter the GNSS antenna (dual) heights.
- Measure and enter the excavator prism mounting offsets.ADDITIONAL INFORMATION:
Figure: Excavator prism mounting offsets 
- Measure and enter the excavator antenna height offsets.ADDITIONAL INFORMATION:
Figure: Excavator antenna height offsets 
- Take the Antenna Above measurement from the bottom of the GR-i3 (the top of the Vibration Mount).
- Take the Antenna Above measurement from the bottom of the GR-i3F.ADDITIONAL INFORMATION:
Figure: Antenna measurement 
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Machine calibration
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Prism (LPS) measurements
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