Garmin GPSMAP 620, Owner'S Manual

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GPSMAP 620 Owner’s Manual
Marine Mode: Advanced Configuration
Choose to show or hide the numbers by category. When set to
auto
, the overlay numbers appear only when that category is
active.
Cruising : GPS speed and GPS heading.
Data Bar Setup
—specify the position of the data bar on the
Navigation chart, and specify the contents of the fields.
Navigation
: GPS speed, distance to destination, arrival (time),
off course, bearing (to destination), and GPS heading. When
set to auto , these numbers appear only when navigating to a
destination.
Data Bar Setup —toggle the route Leg data field (shows
additional route information) and specify how each
data field provides navigation information (by time or
by distance).
Fishing : Depth, water temperature, and water speed. Depth,
temperature, and water speed are only available when connected
to a sonar unit.
Sailing : Water speed, wind speed, wind angle, and Wind
Velocity Made Good (VMG). Wind speed, angle and VMG are
only available when connected to an optional NMEA 0183 wind
sensor.
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Wind —choose the type of wind data used in the sailing data
fields (apparent or true).
Chart appearance —customize the appearance of the Navigation
chart.
orientation
—changes the perspective of the map display:
North up —set the top of the map display to a north
heading.
Head up —set the top of the map display according to your
heading. The heading line appears vertically on the screen if
it is shown.
Course up —set the map so the direction of navigation is
always up.
Detail —adjust the amount of detail shown on the map.
Heading Line —draws an extension from the bow of the boat in
the direction of travel.
off —turn off the heading line.
Distance
—set the distance to the end of the heading line.
time —set the amount of time until you reach the end of the
heading line.
World Map —toggle between a basic worldmap and a full
worldmap, or basemap. The basic worldmap shows costal
outlines of the world, with land indicated in yellow. The full
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