28 Edge 800 Owner’s ManualNavigation◦ On Road For Time (requiresroutable maps)—calculates on-road routes that require minimaltime to drive.◦ On Road For Distance(requires routable maps)—calculates on-road routes thatare shorter in distance.• Calculates Routes for—allows youto select a transportation method inorder to optimize your route.• Lock On Road (requires routablemaps)—locks the current locationmarker on the nearest road,compensating for variances in mapposition accuracy.• Off Road Transitions◦ Auto—automatically routes youto the next point.◦ Manual—allows you to selectthe next point on the route byusing the point on the activeroute page.◦ Distance—routes you to thenext point on the route whenyou are within a specifieddistance of your current point.• Avoidance Setup (requires routablemaps)—allows you to select theroad type you want to avoid.Purchasing AdditionalMapsGo to http://buy.garmin.com orcontact your Garmin dealer.To determine the versions of themaps that are loaded on your Edge,select MENU > > System >Map > Map information.Finding an AddressYou can use optional City Navigator®maps to search for addresses, cities,and other locations. The detailed androutable maps contain millions ofpoints of interest, such as restaurants,hotels, and auto services.