Suunto T3 User Manual page 34

Pressing the
START button
starts the
stopwatch.
While training, the stopwatch displays either the real-time Training Effect or heart rate in the center
of the screen. You can switch between the two by long pressing the BACK button.
The information that is displayed while the stopwatch is running depends on the device's settings
as well as on whether there is a speed and distance POD connected. The default shortcut, which
appears on the bottom row of the display, is the Training Effect target.
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Pressing the
START button
again, stops
the stopwatch.
Pressing the + button, when the
stopwatch is running, stores the
split time and displays it in the
top row of the Suunto t3. It also
displays the average heart rate
and shows the lap time. After 3
seconds, the display jumps back
to the stopwatch.
This number
indicates the
ongoing lap.