0 GPSMAP 640 Owner’s ManualMarine Mode: Where To?Marine Mode: Where To?Use the Where to? menu on the Home screen to search for, andnavigate to, nearby fuel, repairs, and other services, as well aswaypoints and routes.Searching For Marine Services1. From the Home screen, touch Where To? > OffshoreServices.2. Touch the marine service category to which you want tonavigate. A list of the 50 nearest locations appears, includingthe distance and bearing to each.3. Touch the marine service item you want to navigate to.4. Touch Go To, Route To, or Guide To to set the selected marineservice as a navigation destination. See page 14 for detailsabout navigating to a destination.Searching for WaypointsNote: You must create waypoints before you can search for andnavigate to them.1. From the Home screen, touch Where To? > Waypoints. A listof saved waypoints appears, sorted by distance, including thedistance and bearing to each.2. Touch the waypoint you want to navigate to.3. Touch Navigate To to set the selected waypoint as a navigationdestination. See page 14 for information about navigating to adestination.Searching for Saved Routes1. From the Home screen, touch Where To? > Routes.2. Touch the saved route you want to navigate.3. Touch Navigate To to navigate the selected route, and choosehow you want to navigate to it. See page 17 for informationabout navigating routes.Forward—Navigate the route from the start point to the endpoint.Backward—Navigate the route in reverse, from the endpoint to the start point.Offset—Navigate a course parallel to the route that is aspecified distance from the route. First choose the directionand side of the offset, then specify the offset distance fromthe route.•••
