0 GPSMAP 5000 Series Owner’s ManualuSInG chartSusInGchartsUsing Mariner’s EyeMariner’s Eye provides an angled perspective from above and behind the boat (according toyour course), and provides a visual navigation aid. This view is helpful when navigating trickyshoals, reefs, bridges, or channels, and is beneficial when trying to identify entry and exit routes inunfamiliar harbors or anchorages.To access the Mariner’s Eye screen from the Home screen, touch Charts > Mariner’s Eye.Mariner’s Eye Navigation ChartTouch the button to view closer to your boat and lower to the water. Touch the button tomove the view away from the boat. This is indicated by the scale ( ) at the bottom of thescreen.Mariner’s Eye SettingsTo access additional settings or options from the Mariner’s Eye screen, touch Menu.Rings—toggles the range rings on or off.Tracks—turns the visible tracklog on or off. The unit continues to record tracks if you turn thissetting off, but they are hidden from view.safe Depth—adjusts the depth at which red indicates shallow water. This feature is only availablewith an optional BlueChart g2 Vision sD card.lane Width—adjusts the width of the course line drawn on the screen when navigating using Go Tonavigation. This setting does not affect routes (Route To) or automatic guidance (Guide To).