CA42/50/52 Position menus Chapter 4
37
Position setup
ENT
From position display, press
[ENT]
to load Position setup
Datum 000: World Geodetic System 1984
Log 1: 00001.1nm
Log 2: 00001.1nm
Display position as: LAT/LON
Delta position: 0°00.000N 0°00.000E
Start position: Lat 56°52N Lon 009°50E
Speed and course filter level: 3
Display speed as: SOG
Course and bearing as: MAGNETIC
Additional data: COMPASS
Time: UTC
Time: 08:06:01 Date: 12-02-2002
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 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 will refer to the
selected datum. To select a new datum: Place the cursor next to
“Datum” and leaf through the datum list with +/-, or key in the number.
) 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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