NorthStar 961 Reference Manual page 303

Track predictor line
Display of position
coordinates (loran)
961/962 Operations and Reference Manual, Rev. A
You can adjust the length of the track predictor line on the
CHART screen. The predictor line displays your vessel's
predicted track line and the point you'll reach at your present
SOG and COG. You can set the line to one minute, two
minutes, three minutes, five minutes, 30 minutes, or turn it off
completely (to avoid confusion between the track line and
other lines displayed on the chart screen, such as chart edges,
lat/lon lines, routes, trip legs, and so on, you can turn the track
predictor line off until you're more experienced).
To change the PREDICTOR LINE setting:
1. At the CHART SETUP screen, press the CURSOR PAD to
highlight the PREDICTOR LINE option, then press the
EDIT key.
2. Press the CURSOR PAD left or right or press the LEFT
ARROW or RIGHT ARROW keys to select 1 MIN, 2, 3, 5, 30,
or OFF.
3. When done, press the ACCEPT key (or CANCEL to leave
the option unchanged).
You can choose whether to display loran coordinates in the
CHART-screen INFO BARs (including the CURSOR INFO BAR).
Choosing Phantom loran simply will display not only lat/lon in
these INFO BARs, but the corresponding estimated TDs as well
(the best pair of TDs will be chosen). Turning off loran
coordinates here, however, won't turn off the display of loran
coordinates on the WAYPOINTS screen or in any dialog boxes.
To turn the display of TDs on or off:
1. Press the CURSOR PAD to highlight the LORAN INFO
BARS option, then press the EDIT key.
2. Press the CURSOR PAD left or right or press the LEFT
ARROW or RIGHT ARROW keys to select either ON or
OFF.
3. When done, press ACCEPT (or CANCEL to leave the
option unchanged).
4. Press RETURN to go back to the SETUP MENU screen.
Chapter 13 - Customizing Setup Functions
Page 13-33