Garmin GPSMAP 640 Owner's Manual - Page 49

Data Bar Setup, Navigation, Fishing, Sailing, Compass Tape, Velocity Made Good VMG. Wind speed - gps unit

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Page 49 highlights

◦ 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. See page 43 for more information on how the chartplotter displays Wind VMG and Waypoint VMG. ◦ Wind-choose the type of wind data used in the sailing data fields (apparent or true). Marine Mode: Advanced Configuration • Compass Tape: Displays the current heading. An indicator that shows the bearing to the desired course is displayed while navigating. When you are off course, the distance between your current heading and the corrected course is called the Course to Steer, and is shaded orange on the compass tape. Bearing indicator Heading indicator Compass Tape - Off Course GPSMAP 640 Owner's Manual Compass Tape - On Course 41

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GPSMAP 640 Owner’s Manual
4²
Marine Mode: Advanced Configuration
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. See
page 43
for more information on how the
chartplotter displays Wind VMG and Waypoint VMG.
Wind
—choose the type of wind data used in the sailing data
fields (apparent or true).
◦
•
◦
•
•
◦
Compass Tape
: Displays the current heading. An indicator
that shows the bearing to the desired course is displayed while
navigating.
When you are off course, the distance between your current
heading and the corrected course is called the Course to Steer,
and is shaded orange on the compass tape.
Head±ng
±nd±cator
Bear±ng
±nd±cator
Compass Tape – Off Course
Compass Tape – On Course
•