Garmin GPSMAP 420s Owner's Manual - Page 20

Using the Split Navigation Chart, Spot Depths, Safety Shading, Symbols, Navaid Size, Land POIs - sd card

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Using Charts 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 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 (page 20) 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. Split Navigation Chart (with a BlueChart g2 Vision card) The top half of the screen is zoomed in 10 times closer than the bottom half of the screen. The Range (-/+) keys control the zoom level. Press MENU to view additional settings (page 9). 14 GPSMAP 400/500 Series Owner's Manual

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±4
GPSMAP 400/500 Series Owner’s Manual
Using Charts
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
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 (
page 20
) 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.
Split Navigation Chart
(with a BlueChart g2 Vision card)
The top half of the screen is zoomed in 10 times closer than the
bottom half of the screen. The
Range (-/+)
keys control the zoom
level.
Press
MENU
to view additional settings (
page 9)
.