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Heart rate
Default setting
zone
Zone 1
60 - 70% of maximum heart
(Fitness Zone)
rate
Zone 2
70 - 80% of maximum heart
(Aerobic Zone)
rate
Zone 3
80 - 90% of maximum heart
(Threshold
rate
Zone)
NOTE
The device alerts you with a beep when you move from one zone to another so you can modify
your training accordingly.
Above zone 3
Zone 3
Zone 2
Zone 1
Below zone 1
The average heart rate is also a useful measure during training where the heart rate levels vary
a lot, such as biking in hilly terrain. In these cases, the target zone limits are less practical than
the average heart rate.
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Main benefit
Improves your basic endurance, aerobic fitness, and helps you
in weight control (fat burning zone)
Improves your aerobic fitness. This is the preferred zone if you
are training for an endurance event.
Improves your maximum aerobic capacity, and lactate tolerance
ability - meaning your maximum endurance will improve and you'll
be able to fight fatigue better.
The heart rate zone defaults follow the guidelines of the American College
of Sports Medicine for exercise prescription.
When the Zone tone is on,
Suunto t1 beeps when your
heart rate moves from one
zone to another, rises above
zone 3 or drops below zone 1.
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