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2 Plateau increases the intensity slightly, and keeps it steady, to bring the heart rate to the low
end of the target zone. Check the heart rate at the end of this phase.
3 Interval Training is a series of increasingly steeper hills, alternating with valleys, or stints of
recovery. The heart rate should rise to the high end of the target zone. Check the heart rate
at the end of this phase.
4 Cool-down is a low-intensity phase that allows the body to begin removing lactic acid, and
other exercise by-products, which build up in muscles and contribute to soreness.
Each column, as seen in the WORKOUT PROFILE WINDOW and the chart above, represents
one interval. The overall duration of the workout determines the length of each interval. Each
workout is made up of 20 intervals, so the duration of each interval is equal to the duration of the
entire workout divided by 20.
10 to 19 minutes: The interval durations initially are set at 30 seconds for a 10-minute workout.
For every minute added by the user “on the fly,” each interval increases by three seconds. A
15-minute workout consists of 20 intervals at 45 seconds each.
20 to 99 minutes: All intervals last 60 seconds. If the user adds minutes to the pre-set duration
while the workout is in progress, the workout adds hills and valleys that are identical to the first
eight intervals of the Interval Training phase. This pattern repeats until the workout is completed.
RANDOM
The RANDOM workout creates a terrain of hills and valleys that varies with each workout. More
than one million different patterns are possible.
M
ANUAL
The MANUAL workout sets an intensity level that does not change automatically. While the workout
is in progress, increase or lower the intensity level as desired, using the LEVEL ARROW keys or
the NUMERIC keypad.