Garmin GPSMAP 741xs Owner's Manual - Page 22

Using Charts Hazard Colors-Turns hazard colors on or off. The Off setting shows the land as seen from the water. The 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. 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). • Weather Radar-turns the display of NEXRAD weather on or off. See the GPSMAP 400/500 Series Weather Supplement for more information. Using Fish Eye 3D 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 526s) and a transducer wired through a marine network to receive sonar information. Fish Eye 3D Settings To access additional settings or options for the Fish Eye 3D screen, press MENU. View-selects a fish eye view (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. 16 GPSMAP 400/500 Series Owner's Manual