NorthStar 961 Reference Manual page 120

Chapter 4 - Understanding the Chart Screen
Page 4-28
2. If desired, to reverse the direction of the route, press the
REVERSE DIRECTION key; if not, to go directly from your
present position to the selected route point, press the GO
NOW key (or press the CANCEL key to cancel).
The CHART screen appears, showing the track line to the
selected route point, and the future trip as copied from the
displayed route. Your vessel's present position and time
have been inserted as a past trip point, and any previously
existing future trip points have been deleted.
Going to a selected trip point
Selecting a past trip point takes you only to that point—you
won't follow subsequent past waypoints back. Selecting the
active or future trip point lets you continue with the
remainder of the trip.
Selected route point dialog box
961/962 Operations and Reference Manual, Rev. A