Astro 320 and DC40 Owner’s Manual 27Waypoints, Routes, and TracksDigital Elevation Models MapsUsing Digital Elevation Models (DEM)maps, you can create a track elevationprofile that includes elevation data. Goto www.garmin.com/cartography/ontheTrail for more information aboutUS Topo maps.Saving the Entire Track Log1. From the main menu, select Tools >Track Manager.2. Select a track.3. Select Save Track.You are prompted to enter a namefor the track.4. Follow the on-screen instructions.Saving Part of the Track Log1. From the main menu, select Tools >Track Manager.2. Select a track.3. Select Save Portion.4. Follow the on-screen instructions.Marking a Location on a SavedTrack1. From the main menu, select Tools >Track Manager.2. Select a track.3. Select Map.4. Move the map pointer to a locationon the track.5. Press MARK.6. Select New.7. If necessary, edit the locationinformation.