GN33 Position menu Chapter 4-3
Position setup
ENT
From position display, press [ENT] to load Position setup:
Datum: 000: World Geodetic System 1984
Log 1: 00000.0nm
Log 2: 00000.0nm
Display position as: LAT/LON
Delta position: 0°00.000N 0°00.000E
Start position: Lat 57°02N Lon 009°50E
Speed and course filter level: 3
Display speed as: SOG
Course and bearing as: MAGNETIC
Additional data: COMPASS
Horizontal antenna offset: OFF
Longitudinal: +000.0 m
Transverse: +000.0 m
Time: UTC
Time: 13:43:56 Date: 3-07-2002
Go to the function you wish to change
CLR
Reset log
0-9
Key in new values, or...
+/-
Toggle between available values
ENT
Confirm editing and return to the Position display
Datum - is preset to WGS 1984 (World Geodetic System 1984), but
can be changed to any of the 118 datums listed in Appendix B e.g.
to match old paper charts or trackplotter data from RS2500/RS4000
(datum #002 European 1950).
The position in the position display and NMEA output (GLL+GL2)
will refer to the selected datum. To select a new datum: place the
cursor next to “Datum” and key in a new number or go two spaces to
the right (000
) and leaf through the datum list with +/-.
The datum in the chart display is fixed i.e. WGS84.
Log - reset log or insert alternative start figure by altering the value
in the “Log 1” and/or “Log 2” line. Press [CLR] to reset the figure,
and press the numeric keys 0-9 to alter the figure.
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