Garmin GNC 420 Pilot's Manual & Reference page 152

AUX PAGES
8
Setup 1
a
b
144
Setup 1 Page: Position Format / Map Datum
To change the position format:
1. Select "Position Format / Map Datum" from the setup 1 page, using the steps described on
page 138.
2a. The flashing cursor is on the position format field. Rotate the small right knob (
the desired position format. The following position formats are available:
• hddd°mm.mmm'—latitude and longitude in degrees and decimal min-
utes
• hddd°mm'ss.s"—latitude and longitude in degrees, minutes and decimal
seconds
• MGRS—Military Grid Reference System
• UTM/UPS—Universal Transverse Mercator / Universal Polar
Stereographic grids
3. Press to accept the selected format.
E
To change the map datum:
1. Select "Position Format / Map Datum" from the setup 1 page, using the steps described on
page 138.
h
2b. Rotate the large right knob (
a
3. Rotate the small right knob (
4. Continue rotating the small right knob (
for a list of available map datums.)
5. Press to accept the selected datum.
E
Per TSO C129a, the WGS-84 map datum should be used in the United States.
For use outside the U.S., select the geodetic datum required by that country.
) to highlight the map datum field.
) to display a window showing the available map datums.
a
) to select the desired map datum. (See page 170
a
) to select