SUUNTO AMBIT3 SPORT - Manual (Page 29)

Refer to the Suunto Smart Sensor User Guide for additional
information and troubleshooting.
3.9.3 Starting an exercise
To start exercising:
1. Press [Start Stop] to enter the start menu.
2. Press [Next] to enter EXERCISE.
3. Scroll the sport mode options with [Start Stop] or [Light Lock]
and select a suitable mode with [Next].
4. The watch automatically starts searching for a heart rate belt
signal, if the selected sport mode uses a heart rate belt. Wait for
the watch to notify that the heart rate and/or GPS signal have
been found, or press [Start Stop] to select Later. The watch
continues to search the heart rate/GPS signal.
5. Press [Start Stop] to start recording your exercise. To access
additional options while exercising, keep [Next] pressed.
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