Does the magnetic calibration reset command reset the entire compass?
No. The magnetic calibration reset only resets the magnetic calibration parameters back to the factory default settings. It only affects the magnetics.Top of Page 25. Can you explain the term magnetic gradient as it pertains to measurements taken and calibration performed inside a building? The impression is that as long as the SP3003D is calibrated in the presence of the magnetic anomalies, and the magnetic anomalies don’t change the heading will remain accurate. The compass corrects for any magnetic anomalies that move with the compass (i.e. the platform or vehicle on which the compass is mounted). Stationary magnetic anomalies that don’t move relative to magnetic north (i.e. the building) will not be calibrated out by the compass. This is true for any compass because the Earth’s magnetic vector will be distorted by the building and without a true reference, the compass can only act on what it measures. When the magnetic anomaly is attached to the compass platform, the compass now se
