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Which Martron products work with the ALM100?

The ALM100 can be commanded to annunciate by way of Maretron Displays(excluding legacy DSM200) or PC software N2KView(alerts enabled) only. Third-Party devices, Chart-plotters, and MFDs are not compatible to with the ALM100.  Read More

What is magnetic variation?

The difference in direction between the magnetic North pole (magnetic North) and the direction to the Earth's rotational North pole (true North) is referred to as variation. Variation changes depending where you are on the Earth and can be obtained... Read More

Why doesn’t the SSC200 compass transmit true heading?

The SSC200 is a magnetic compass, which means that it measures the direction of Earth's magnetic field relative to the magnetic poles (magnetic heading). This is different than a gyrocompass, which measures heading relative to the Earth's rotational... Read More