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 44 page image

Tips On the TracBack Feature• Always clear your track log at the exact point thatyou want to go back to (trail head, truck, etc.).• The ‘RECORD’ option on the track log setup pagecan be set to either the ‘WRAP’ or ‘FILL’ positions.• There must be at least two track log points storedin memory to create a TracBack route.• If there are not enough available waypoints inmemory to create a TracBack route, you will bealerted with a ‘waypoint memory full’ message, andthe receiver will use any available waypoints to cre-ate a TracBack route with an emphasis on the tracklog closest to the destination (the oldest track logpoint in memory).• If the ‘METHOD’ option on the track log setuppage is set to a time interval, the TracBack routemay not follow your exact path. (Keeping thecriteria set to automatic will always provide themost detailed TracBack route.)• If the receiver is turned off or you lose satellite cov-erage during your trip, the TracBack route will sim-ply draw a straight line between any point wherecoverage was lost and where it resumed.• If the changes in direction and distance of yourtrack log are complex, 30 waypoints may not beenough to accurately mark your exact path. Thereceiver will then assign the 30 waypoints to themost significant points of your track, and simplifysegments with fewer changes in direction.• To save a TracBack route, copy route 0 to an openstorage route before activating another TracBack.Activating another TracBack or storage route willoverwrite the existing TracBack route.• Whenever a TracBack route is activated, the receiv-er will automatically erase any temporary way-points that are not contained in routes 1-19. Ifthere are temporary waypoints stored in routes 1-19, the receiver will create any new temporary way-points using the first three-digit number available.(You can also quickly delete all temporary TracBackwaypoints in memory by using the ‘DELETE BYSYMBOL’ method described on pg. 19.)Tips onTrackBackNavigationREFERENCE40The track log will bedivided into segments withtemporary waypoints tocreate a route back to thebeginning of the track log.The TracBack functionallows you to navigateyour track log back to theoldest track point inmemory.