Chapter 13 - Customizing Setup Functions
Page 13-20
961/962 Operations and Reference Manual, Rev. A
* In Namibia, “a” = 6377483.865
legal
meters, reflecting a
difference there in the definition of legal and International
meters.
Preferred loran GRI
You can choose the preferred four-digit loran GRI to use when
converting lat/lon coordinates to Phantom loran TDs. If
possible, this preferred GRI will be used. Otherwise, the GRI
that gives the best accuracy will be used.
To change the preferred loran GRI:
1. At the
NAVIGATION SETUP
screen, press the
CURSOR
PAD
to highlight the
LORAN GRI
option, then press the
EDIT
key.
2. Press the
CURSOR PAD
up or down or press the
LEFT
ARROW
or
RIGHT ARROW
keys to scroll the list of
available GRIs.
3. When done, press the
SELECT
key (or
CANCEL
to leave
the option unchanged).
4. Press
RETURN
to go back to the
SETUP MENU
screen.
Advancing
waypoints
As you pass each waypoint, you can either manually switch to
the next waypoint or automatically advance to the next one.
Passing a waypoint means that your vessel has come abeam of
the waypoint.
International (INTL)
6378388
1/297
Krassovsky (KRASS)
6378245
1/298.3
South American 1969 (SA1969)
6378160
1/298.25
WGS 60
6378165
1/298.3
WGS 66
6378145
1/298.25
WGS 72 (WGS-72)
6378135
1/298.26
WGS 84 (WGS)
6378137
1/298.257223563
Table 11: Reference ellipsoid constants (continued)
Reference ellipsoids
a (meters)
f (flattening)
Summary of Contents for 961
Page 6: ...Page viii 961 962 Operations and Reference Manual Rev A ...
Page 8: ...Page x 961 962 Operations and Reference Manual Rev A ...
Page 14: ...Page xvi 961 962 Operations and Reference Manual Rev A ...
Page 92: ...Chapter 3 Using the Controls Page 3 34 961 962 Operations and Reference Manual Rev A ...
Page 160: ...Chapter 6 Creating Waypoints Page 6 18 961 962 Operations and Reference Manual Rev A ...
Page 176: ...Chapter 7 Creating Avoidance Points Page 7 16 961 962 Operations and Reference Manual Rev A ...
Page 202: ...Chapter 8 Creating Routes Page 8 26 961 962 Operations and Reference Manual Rev A ...
Page 380: ...Glossary Page G 8 961 962 Operations and Reference Manual Rev A ...