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Position
Position
Operator's Manual
There are three POS screens in the CDU. The
pas
functions are
highly interactive with a number of CFGl menu selections.
The following CFGl menus directly impact the
pas
functions:
~
COG SOG - sets the filtering time for the displayed values.
~
Datum - sets the reference datum for your present position.
~
DGPS - sets the internal or external control for RTCM SC-104 cor-
rections which affect your position accuracy.
~
GPS -setsan offsetfor calculating the GPS antenna position ifyou
can't physically locate the antenna exactly where you want it (i.e.
over the centerline ofthe boat); sets the minimum elevation angle
to look for satellites; and in 6 channel models, it also controls the
satellite selection process.
~
Navigation - sets
a,
variety ofimportant functions and alarms (used
in other function screens), but only the Range units:
nautical miles (Nm)
nautical miles and meters (Nrn/mtrs)
nautical miles and feet (Nrn/ft)
statute miles (Srn)
statute miles and meters (Srn/mtrs)
statute miles and feet (Srn/ft)
kilometers (Km), or
kilometers and meters (Kmlmtrs), affect the
pas
screens.
~
Position - sets 2D or 3D mode, antenna height, Lat/Lon, Loran or
Decca TDs, or UTM, Grid (optional) and some alarm limits.
~
Time - sets appropriate offsets, and 12 or 24 hour clock mode.
POS7 - Position Display (Large)
This single window display provides the largest presentation of the
coordinate information from the CDU. In addition to the coordinates
and datum in use, this screen displays the current course and speed
over ground. There are no edit functions available in this screen un-
less it· is in Demonstration mode. Refer to Appendix E - Demonstra-
tion Mode for a full description of this feature.
Version 1.5
91
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