Garmin 400/500 Owner's Manual page 20

Using Charts
detail—adjusts the amount of detail shown on the map at different
zoom levels.
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).
14
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.
Press right on
the Rocker to
Symbols—changes symbol preferences.
increase map
• Navaid Size—adjusts the size of the navaid symbols shown on
detail.
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 auto 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
using a BlueChart g2 Vision SD card.
(page 21) on or off when
GPSMAP 400/500 Series Owner's Manual