Garmin gpsmap 541s Manuale Utente

Using XM WX Weather and Audio

The Wave Period feature provides the time (in seconds) between 

successive waves.

The Wave Direction feature shows the direction in which a wave is 

moving, as indicated by the direction of the red arrow.

Visibility is the forecast maximum horizontal distance that can be 

seen at the surface, as indicated by the legend on the left of the 

screen. Contour lines on the Visibility feature show the forecasted 

change in surface visibility. 
From the Home screen, select 

 > 

.

1.  Press right on the 

 to select 

. The forecasted visibility 

for the next 12 hours is shown. 

2.  Select 

 again to view forecasts for the next 24 and 36 hours.