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Forerunner
®
205/305 Owner’s Manual 51
SettInGS
4. Repeat step 3 for each zone
you want to change.
Setting Heart Rate
Zones
NOTE: Heart rate zones are a
feature of the Forerunner 305 only.
A heart rate zone is simply a
certain range of beats per minute.
Heart rate zones are generally
based on a percentage of your
maximum heart rate and are
numbered from 1 to 5 based on
intensity (1–lowest, 5–highest).
If you know your maximum heart
rate, you can enter it and allow
the Forerunner to calculate your
heart rate zones automatically.
You can also enter your heart
rate zones manually. You can set
heart rate zones for each sport.
To base heart rate zones on
your maximum heart rate:
1. From the Main Menu, select
Settings.
2. Select a sport to set heart
rate zones. Then select HR
Zones.
3. Select the Zones eld. Then
select Based on Max.