Garmin GPSMAP 378 Owner's Manual page 105

Srfc Wx Tab
Use the Srfc Wx tab to set the map scale at which surface weather
information first appears on the Map Page.
Srfc Wx Tab
Surface Winds, Surface Pressure, Fronts, Visibility, County
Warnings—sets the map scale at which each feature first appears on
the Map Page. Select Auto, Off, or from 20 ft to 800 nm.
GPSMAP 378/478 Owner's Manual
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Mrn Wx Tab
Use the Mrn Wx tab on the Map Page Options to set up marine
weather options.
Mrn Wx Tab
Water Temperature, Wave Period, Wave Direction, Wave
Height, Marine Warnings—sets the map zoom range at which each
feature first appears on the Map Page. Select Auto, Off, or from
20 ft to 800 nm.
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ettIng eAther PtIons
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