Garmin Personal Navigator GPS 48 Owner's Manual & Reference

Also see for Personal Navigator GPS 48: Declaration of conformity Supplementary guide Specifications

Garmin Personal Navigator GPS 48 Owner's Manual & Reference Manual pdf 43 page image

TracBack NavigationGARMIN’s patented TracBack feature allows you toquickly retrace your path using the track log automati-cally stored in the receiver. This feature eliminates theneed to mark waypoints along the way and manuallycreate and activate a route back to where you beganyour trip. Three track recording options are available:Off—no plot will be recorded.Fill—a track plot will be recorded until track mem-ory is full.Wrap—a track plot will be continuously recorded,wrapping through the available memory (replacingthe oldest data with new data).To select a track log option:1. Highlight the ‘RECORD’ field, press E, select anoption, and press E.Once a TracBack route is activated, it will lead youback to the oldest track log point stored in memory, soit’s usually a good idea to clear the existing track log atthe start of each trip.To clear the track log and define a starting pointfor a TracBack route:1. From the Map Page, press E, highlight the ‘TRACKSETUP’ option, and press E.2. Highlight ‘CLEAR LOG?’, press E, highlight ‘Yes?’,and press E.To activate a TracBack route:1. Press G, highlight ‘TRACBACK?’, and press E.Once the TracBack function has been activated, theGPS 48 will take the track log currently stored in memo-ry and divide it into segments called legs. Up to 30temporary waypoints will be created to mark the mostsignificant features of the track log in order to duplicateyour exact path as closely as possible. These points willbe indicated by a ‘T001’ number on the waypoint list,and by a ‘T’ symbol on the Map Page.The active route page will appear, showing a routefrom your present position to the oldest track log pointin memory. Steering guidance to each waypoint will beprovided back to the starting point of your track log. Note:You may delete a TracBack waypoint from a route, butonly if the route is not active. 39WARNING:Setting the track record-ing to OFF will disablethe TracBack function.REFERENCETracBackNavigationTo begin navigation of aTracBack route, highlightthe ‘TracBack?’ promptand press enter.