Chapter 6 - Creating Waypoints951/952 Operator’s Manual Rev. B Page 87If there’s a warning radius entered, set it to zero if you want toremove the avoidance feature from this waypoint.Erasing waypoints At the EDIT WAYPT screen, to permanently erase the waypointfrom the unit’s memory, press the (5$6( menu key, thenpress the (17(5key (or press &/($5to cancel).NOTE:You can’t erase a waypoint if it’s used in a route—you must first remove itfrom the route. For more route editing information, see ”Editing a route”starting on page 105.Updating waypoint coordinatesBefore the advent of electronic chart navigators, a waypoint’sposition was usually taken from a paper chart by measuringthe approximate coordinates with whatever accuracy the chartallowed. When you travelled to the waypoint, however, itsposition was found to be slightly different than expected.The unit has a special feature that lets you easily recalibratethese waypoints by setting their coordinates to your precisepresent position. You can also use this feature to convertapproximate loran TD coordinates to precise GPS coordinates.After travelling to the actual spot where the waypoint is to belocated, you can select a waypoint for updating, either from
