Garmin GPSMAP 640 - Manual (Page 56)

50 GPSMAP 620 and GPSMAP 640 Owner’s Manual
Marine Mode: Advanced Configuration
Wind VMG is displayed under the following conditions:
• The Sailing data bar displays Wind VMG when you are not
navigating a route or an Auto Guidance line.
• The Sailing data bar displays Wind VMG when the Route Leg
data bar is on and you are navigating a route.
Configuring Perspective 3D Options and
Mariner’s Eye 3D Options
From the Perspective 3D screen or the Mariner’s Eye 3D screen,
touch Menu .
Waypoints and tracks—provides access to waypoint and track
information shortcuts, as on the Navigation chart. See page 45 .
Note: The Tracks Display configuration option is not available
on the Perspective 3D screen. You need a BlueChart g2 Vision SD
card to use this feature.
other Vessels—provide access to AIS and DSC shortcuts, as well
as chart-specific AIS display settings, as on the Navigation chart.
See page 45 .
Data Bars—control how charting numbers appear on the screen, as
on the Navigation chart. See page 46 .
Chart Appearance—customize the appearance of the Perspective
3D or Mariner’s Eye 3D screen.
• Style—(Mariner’s Eye 3D only) select how chart data is
displayed over 3D terrain.
• Hazard Colors—(Mariner’s Eye 3D only) turn hazard colors
on or off.
◦ on setting indicates shallow water and land with a color
scale. Blue indicates deep water, yellow is shallow water,
and red is very shallow water.
◦ off setting shows the land as seen from the water.
• Range Rings—toggle the range rings on or off.
• Safe Depth—(Mariner’s Eye 3D only) adjust the depth at which
red indicates shallow water.
• Lane Width—adjust the width of the course line drawn when
navigating. This setting affects direct navigation (Go To) and
routes (Route To), but does not affect Auto Guidance (Guide
To).