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  1. What information does the WSO100 provide? The WSO100 provides the following information:apparent wind speedapparent wind directionatmospheric pressureair temperaturerelative humidity... Read More
  2. What is apparent wind? Apparent wind is what the Maretron WSO100 measures and doesn't necessarily reflect what the wind is truly doing. For example, if the vessel was moving at exactly 5 knots and the wind was blowing in the exact opposite direction at 5 knots, then t... Read More
  3. What is true wind? True wind is what the wind is truly doing and it can be computed from the measured apparent wind by subtracting the vessels speed. For example, if the vessel was moving at exactly 5 knots and the wind was blowing in the exact opposite direction at 5 ... Read More
  4. What is the difference between true wind referenced to ground speed and true wind referenced to water speed? True wind is computed by subtracting the vessel speed from the apparent wind. The vessel speed is either referenced to the water (Speed Through Water (STW)) or the vessel speed is referenced to the ground (Speed Over Ground (SOG)). If the STW is subt... Read More
  5. How do I display the WSO100 true wind referenced to water speed on Maretron’s DSM150, DSM200, or DSM250 display? You display the WSO100 true wind on a DSM150, DSM200, or DSM250 in the following way:Enter menu mode, scroll to "Favorite Screen Setup..." and press < Enter >Scroll to the favorite screen where you would like to view the true wind and pressĀ  < Enter ... Read More
  6. 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 r... Read More
  7. I see that Maretron’s DSM150, DSM200, and DSM250 displays have a SSC200 configuration setting called "Invert Installation:"; what is this? Maretron's DSM150, DSM200, and DSM250 displays have a SSC200 configuration setting called "Invert Installation:", which is used to describe the orientation of the compass relative to the vessel. For example, the compass can be mounted upside dow... Read More
  8. Why is the GPS100 Speed Over Ground (SOG) reading different from the Speed Through Water (STW) reading? Speed Over the Ground (SOG) is the speed of the vessel relative to the surface of the earth. Speed Through Water (STW) is the speed of the vessel relative to the water. It is possible for the STW to be zero while the SOG is 5 knots, for example if th... Read More
  9. Why is the DST110 Speed Through Water (STW) reading different from the Speed Over Ground (SOG) reading? Speed Over the Ground (SOG) is the speed of the vessel relative to the surface of the earth. Speed Through Water (STW) is the speed of the vessel relative to the water. It is possible for the STW to be zero while the SOG is 5 knots, for example if th... Read More
  10. How do I set the transducer offset within the DST100 using Maretron’s DSM150, DSM200, or DSM250 display? You set the DST100 transducer offset from a DSM150, DSM200, or DSM250 in the following way:Enter menu mode, scroll to "Configuration:" and press < Enter >Scroll to "Device Configuration:" and press < Enter >Scroll to the DST100 and press < Enter >Scr... Read More
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