Map Datum; Date / Time; Restoring Factory Settings - Garmin GPS 400W,GNC 420W Pilot's Manual & Reference

9 - AUX PAGES
Setup 1

Map Datum

NOTE: Per TSO C146a, the WGS-84 map datum is
used.

Date / Time

To display local time or UTC:
1. Select "Date / Time" from the Setup 1 page.
2. The flashing cursor highlights the time format
field. Turn the small right knob to display a
window of available time formats: Local 12hr,
Local 24hr, or UTC.
Continue turning the small right knob to
3.
select the desired time format.
4. Press ENT to accept the selection.
To set the local time:
1. Select "Date / Time" from the Setup 1 page.
Turn the large right knob to highlight the
2.
time offset field.
Use the small and large right knobs to enter
3.
the desired offset, beginning by entering a
minus (-) or plus (+) sign to indicate whether
the offset is behind UTC or ahead of UTC. (In
170
the United States, all local time offsets will use
be minus, or behind UTC.)
Press ENT to accept the selected offset.
4.

Restoring Factory Settings

When making changes to any setup 1 page option,
a "Restore Defaults?" menu selection allows you to
restore the original factory settings (for the selected
item only). For example, with the airspace alarms page
displayed, the "Restore Defaults?" option will restore
all airspace alarms page settings to the original factory
values.
To restore a Setup 1 item to the original factory
settings:
1. Select the desired item from the Setup 1
page.
2. Press MENU to display a page options
window.
3. With "Restore Defaults?" highlighted, press
ENT.