Suunto AMBIT3 SPORT 1.0 User Manual page 36

12
10
8
6
sec
FusedSpeed benefits you the most when you need highly reactive
speed readings during training, for example, when running on
uneven terrain or during interval training. If you temporarily lose
the GPS signal, for example, Suunto Ambit3 Sport is able to
continue showing accurate speed readings with the help of the GPS
calibrated accelerometer.
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30
GPS FusedSpeed
60 90 120