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48 eTrex Owner’s Manual
Appendix
Data Field Description
Barometer The calibrated current
pressure.
Battery Level The remaining battery
power.
Bearing The direction from
your current location
to a destination.
Cadence
(cadence
accessory
required)
Revolutions of the
crank arm or strides
per minute.
Course The direction from
your starting location
to a destination.
Descent -
Average
The average vertical
distance of descent.
Descent -
Maximum
The maximum
descent rate in feet or
meters per minute.
Descent - Total The total elevation
distance descended.
Distance to
Destination
The distance to your
nal destination.
Data Field Description
Distance to
Next
The remaining
distance to the next
waypoint on the route.
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 waypoint on the
route.
Glide Ratio The ratio of horizontal
distance traveled to
the change in vertical
distance.