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26 Forerunner 405CX 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%.
HR ** Heart rate in bpm.
Data
Field
Description
HR–%Max
**
OR
HR–%HRR
**
Percentage of maximum
heart rate.
OR
Percentage of heart rate
reserve (maximum heart
rate minus resting heart
rate).
HR–Avg ** Average heart rate for
the run.
HR–Avg
%Max **
OR
HR–Avg
%HRR **
Average percentage of
maximum heart rate for
the run.
OR
Average percentage
of heart rate reserve
(maximum heart rate
minus resting heart rate)
for the run.
HR–Lap ** Average heart rate for
the lap.