Units Setup; Heading Setup - Garmin Astro DC 40 Owner's Manual

Settings
• Time Zone–selects your
time zone. Select Other to
enter a UTC (Universal Time
Coordinate) offset.
• UTC Offset–specifies the offset
from UTC (when Time Zone
is Other).
• Daylight Saving Time–selects
Daylight Saving Time (Yes),
Standard Time (No) or
automatically change (Auto).

Units Setup

To open the Units Setup page:
Press MENU > MENU >
Advanced > Settings > Units.
• Position Format–specifies the
coordinate system to use for
location readings.

Map Datum–sets the
•
coordinate system in which a
given location reading appears.
Do not change the map datum
unless you are using a map or
chart that specifies a different
position format.
• Distance/Speed–sets the unit of
measure for distance and speed
readings.
Elevation (Vert. Speed)–sets
•
the unit of measure for your
rate of ascent or descent.
Depth–sets the unit of measure
•
for depth.
• Pressure–sets the unit of
measure for gauge and
atmospheric pressure readings.

Heading Setup

The Heading Setup page specifies the
type of heading display and the type
of North reference used to calculate a
Astro and DC 40 Owner's Manual