Garmin gpsmap 541s Manuale Utente

Pagina di 82
GPSMAP 400/500 Series Owner’s Manual
Using Charts
Press right on 
the 
Rocker
 to 
increase map 
detail.
Press left on 
the 
Rocker
 to 
decrease map 
detail.
Heading Line—draws an extension line from the bow of the boat in 
the direction of travel.
off—turns the heading line off.
distance—sets the distance to the end of the heading line.
Time—sets the amount of time until you reach the end of the 
heading line.
world Map—displays a basic world map or satellite imagery (when 
full world Map is selected).
Spot depths—turns spot soundings on or off and sets a dangerous 
depth.


Safety Shading—identifies a selected depth. Areas with depths 
shallower than the specified value are shaded in blue while areas 
with depths greater than the specified value are shaded in white. The 
shading is always drawn at, or deeper than, the selected depth.
Symbols—changes symbol preferences.
Navaid Size—adjusts the size of the navaid symbols shown on 
the map.
Navaid Type—selects the navaid symbol set (NOAA or IALA).
Land Pois—turns the display of land POIs (points of interest) 
on or off.
Light Sectors—turns the sector in which a navigational light is 
visible on or off. Selecting on filters out light sectors depending 
on the zoom level.
Chart borders—turns chart borders on when using a BlueChart 
g2 Vision SD card and you want to see what area the maps cover.
Photo Points—turns camera icons (
) on or off when 
using a BlueChart g2 Vision SD card.
Using the Split Navigation Chart
Use the Split Navigation chart to view two different zoom levels of 
the Navigation chart at the same time.