
DSM250 User’s Manual
5.2.7.4 Boat Speed
This menu item allows you to select the units to be used for the display of all boat
•Knots
•Miles/Hour
•Km/Hour
•Meters/second
5.2.7.5 Wind Speed
This menu item allows you to select the units to be used for the display of all wind
•Knots
•Miles/Hour
•Km/Hour
•Beaufort
•Meters/second
5.2.7.6 Wind True Vessel Ref.
This menu items allows you to select whether the true wind direction and speed referenced to the vessel are relative to the water or the ground. Sailors are generally interested in measurements relative to the water while power boaters are interested in measurements relative to the ground. Station is for home applications (i.e., fixed mounting location unlike a vessel that changes direction). Formats that may be selected are the following:
•Water
•Ground
•Station
5.2.7.7 Temperature
This menu item allows you to select the units to be used for the display of all
•°F
•°C
5.2.7.8 Atmospheric Pressure
This menu item allows you to select the units to be used for the display of atmospheric (barometric) pressure. Units that may be selected are the following:
•Inches Mercury (in Hg)
•Bar
•Millibars
•Millimeters Mercury (mm Hg)
•kPa
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