Garmin Forerunner 310XT - Manual (Page 33)

Forerunner 310XT Owner’s Manual 
Settings
Data Field Description
Dist–Lap * Distance traveled
in the current lap.
Dist–Last
Lap
Distance of the last
completed lap.
Elevation * Distance above/
below sea level.
GPS
Accuracy *
Margin of error for
your exact location.
For example, your
GPS location is
accurate to within
+/- 19 ft.
Grade Calculation of
rise over run. For
example, if for
every 10 ft. you
climb (elevation)
you travel 200 ft.
(distance), your
grade is 5%.
Heading Current direction
you are traveling.
Data Field Description
Heart Rate
**
Heart rate in bpm.
Heart
Rate–%HRR
**
Percentage of
heart rate reserve
(maximum heart
rate minus resting
heart rate).
Heart
Rate–%Max
**
Percentage of
maximum heart
rate.
Heart
Rate–Avg **
Average heart rate
for the run.
Heart
Rate–Avg
%HRR **
Average
percentage of
heart rate reserve
(maximum heart
rate minus resting
heart rate) for the
run.