NorthStar 951, Operator'S Manual, Page: 97 / 206

Chapter 6 - Creating Waypoints
951/952 Operator’s Manual Rev. B Page 87
If there’s a warning radius entered, set it to zero if you want to
remove the avoidance feature from this waypoint.
Erasing waypoints
At the
EDIT WAYPT
screen, to permanently erase the waypoint
from the unit’s memory, press the menu key, then
press the key (or press to cancel).
NOTE:
You can’t erase a waypoint if it’s used in a route—you must first remove it
from the route. For more route editing information, see ”Editing a route”
starting on page 105.
Updating waypoint coordinates
Before the advent of electronic chart navigators, a waypoint’s
position was usually taken from a paper chart by measuring
the approximate coordinates with whatever accuracy the chart
allowed. When you travelled to the waypoint, however, its
position was found to be slightly different than expected.
The unit has a special feature that lets you easily recalibrate
these waypoints by setting their coordinates to your precise
present position. You can also use this feature to convert
approximate loran TD coordinates to precise GPS coordinates.
After travelling to the actual spot where the waypoint is to be
located, you can select a waypoint for updating, either from