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70 Astro 320 and DC40 Owner’s Manual
Appendix
Elevation The altitude of your
current location
above or below sea
level.
Elevation -
Maximum
The highest elevation
reached.
Elevation -
Minimum
The lowest elevation
reached.
ETA at
Destination
The estimated time
of day you will reach
your nal destination.
ETA at Next The estimated time
of day you will reach
the next point on the
route.
Glide Ratio The ratio of
horizontal distance
traveled to the
change in vertical
distance.
Glide Ratio to
Dest.
The glide ratio
required to descend
from your current
position and
elevation to the
destination elevation.
GPS Signal
Strength
The strength of the
GPS signal.
Heading The direction you are
moving.
Heart Rate
(heart rate
monitor
required)
Your heart rate in
beats per minute
(bpm).
Location (lat/
lon)
Displays the current
position in the default
position format
regardless of the
selected settings.
Location
(selected)
Displays the current
position in the
selected position
format.