Garmin Forerunner 305 - Manual (Page 58)

5 Forerunner ® 205/305 Owner’s Manual
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Replacing the Heart Rate
Monitor Battery
The heart rate monitor contains
a user replaceable CR2032
battery. Be sure to dispose of old
batteries properly. To replace the
battery, locate the circular battery
cover on the back of the heart
rate monitor. Use a coin to twist
the cover counter-clockwise until
it is loose enough to remove.
Remove the cover and replace
the battery. Be careful not to
damage or lose the o-ring gasket
on the cover. Then use a coin to
twist the cover back into place.
Data Fields
The data fields available on any
Timer page change based on
the accessories you own and the
speed units you have selected
for a sport. Starred (*) data fields
are available with the Forerunner
305 only.
Cadence*—revolutions of the
crank arm per minute.
Cadence – Avg*—average
cadence for the duration of your
current ride.
Cadence – Lap*—average
cadence for current lap.
Calories—amount of calories
burned.
Date—current day, month, and
year.
Distance—distance traveled on
current run.