Garmin 640 Guida Utente

Marine Mode: Advanced Configuration

Waypoint and tracks—provides access to waypoint and track 

information shortcuts, as on the Navigation chart. See 

  Note: The tracks Display configuration option is not available 

on the Mariner’s Eye screen. You need a BlueChart g2 Vision SD 

card to use this feature.

other Vessels—provides access to AIS and DSC shortcuts, as well 

as chart-specific AIS display settings, as on the Navigation chart.  

See 

Weather radar—toggle the NEXRAD weather overlay on or off. 

This option is only available when connected to a Garmin GXM 

40 XM antenna device. See 

for more information on 

interpreting weather features.
Data Bars—control how charting numbers appear on the screen, as 

on the Navigation chart. See 

Chart appearance—allows customization of the appearance of 

the Mariner’s Eye or Mariner’s Eye 3D screen.

Color Scheme—(Mariner’s Eye 3D only) allows the setting of 

the colors used to indicate depth hazards.

Normal—show the land as seen from the water.

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Water Hazard—indicate shallow water and land with a 

color scale. Blue indicates deep water, yellow indicates 

shallow water, and red indicates very shallow water. Green 

and brown indicate land.
all Hazard—show land as dark red.

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 automatic guidance (Guide To).

From the Fish Eye 3D screen, touch 

.

View—change the viewpoint. Choose the direction you want the 

camera to point. For example, if you touch 

, the view places 

the camera to starboard, looking across the boat to port.
tracks—toggle tracks on or off.
Data Bars—control how charting numbers appear on the screen, as 

on the Navigation chart. See 

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