Garmin gpsmap 545s Manuale Utente

Using Charts

Range Rings—toggles the range rings on or off to provide distance 

measurement.
Safe depth—adjusts the depth at which red indicates dangerous 

depths.
Lane width—adjusts the width of the course line drawn when 

navigating. This setting also affects routes (Route To), but does not 

affect automatic guidance (guide To).

Using the depth contour lines of the BlueChart g2 Vision 

cartography, Fish Eye 3D provides an underwater view of the sea 

floor or lake bottom. Use the Range keys to adjust the view.
NoTE: You must have an “s” series unit (such as a GPSMAP 

430s) with a connected transducer or have a connection to a Garmin 

sounder via CANet.

To access additional settings or options for the Fish Eye 3D screen, 

press 

View—selects a fish eye view of fore, aft, port, or starboard.

Sonar Cone (only available if sonar is present)—turns a cone that 

shows the area covered by your transducer on or off.
fish Symbols (only available if sonar is present)—displays 

suspended targets (such as fish). Targets are indicated by red, green, 

and yellow spheres. Red indicates the largest targets and green 

indicates the smallest targets.

Tracks—turns the track log on or off.
data bars—show or hide cruising, navigation, fishing, fuel, or 

sailing numbers (