Heart rate | Default setting | Main benefit |
zone |
|
|
Zone 1 | 60 - 70% of maximum heart | Improves your basic endurance, aerobic fitness, and helps you |
(Fitness Zone) | rate | in weight control (fat burning zone) |
Zone 2 | 70 - 80% of maximum heart | Improves your aerobic fitness. This is the preferred zone if you |
(Aerobic Zone) | rate | are training for an endurance event. |
Zone 3 | 80 - 90% of maximum heart | Improves your maximum aerobic capacity, and lactate tolerance |
(Threshold | rate | ability - meaning your maximum endurance will improve and you'll |
Zone) |
| be able to fight fatigue better. |
NOTE | The heart rate zone defaults follow the guidelines of the American College | |
| of Sports Medicine for exercise prescription. | |
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
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.
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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