Selecting The Coordinate System; Selecting A Map Datum; Selecting The Elevation Mode - Magellan iCGRS User Manual

Reference
Selecting the Coordinate System — Allows you to set the coordinate
system that will be used to display the position for the primary or
secondary position screen. Available coordinate systems are: Lat/Lon,
UTM, OSGB, Irish, Swiss, Swedish, Finnish, German, French, USNG,
MGRS, or User Grid.
From
Any
Screen
Default: Primary - Lat/Lon
Selecting a Map Datum — Allows you to set the datum used to compute
the coordinates to match the datum used on a map or chart. If you are
using a map or chart with your SporTrak and the datums do not match,
you may find irregularities when comparing the coordinates.
From
Any
Screen
Default: Primary - WGS84
Selecting the Elevation Mode — Allows you to select the elevation mode
used by the SporTrak. You may choose between 3D (uses satellite
information to compute elevation) or 2D (displays a fixed elevation
based upon the elevation entered).
From
Any
Screen
Default: 3D
50
Highlight
Setup
Select Primary or
Secondary
The coordinate system you select
may require additional
information.
Secondary - UTM
Highlight
Setup
Select Primary or
Secondary
Highlight
Setup
Select
3D or 2D
Highlight
Coord System
Select Coordinate
System
DEG.MIN.MMM
Highlight
Map Datum
Select
Datum
Secondary - WGS84
Highlight
Elev Mode
SporTrak Color GPS Mapping Receiver