NorthStar 961 Reference Manual page 188

Chapter 8 - Creating Routes
Page 8-12
6. You can either press the ADD TO END OF ROUTE key, or
wait nine seconds; in either case, a *SAVEDXX* waypoint
is saved. As long as the VESSEL POSITION dialog box is
up, you can press the SAVE key again and again to save
points in the route, rather than waiting for the
nine-second countdown.
To display the new route on the CHART screen, go to the
ROUTES screen and mark the new route for display by
selected it and pressing the ON CHART key.
Repeat step #5 at each point where you want to add a
waypoint to the route.
To stop saving waypoints to this route at any time, press
the SAVE key, then within the nine-second period, press
the STOP SAVING ROUTE key.
You can perform these same functions while you're displaying
the ROUTES screen: Press the NEW ROUTE key, enter a new
route name (or use the default route name), and press the
START SAVING ROUTE key. This procedure creates a new,
empty route, and *SAVEDXX* waypoints are added to this
route each time you press the SAVE key. To stop saving
Timed vessel-position dialog box
961/962 Operations and Reference Manual, Rev. A