Section D
85
Interval HRC
Heart Rate Control Stage
When your heart rate is within 10 beats of the target heart rate, the computer software
takes over the speed and grade allowing hands free operation. Hands free means that
you do not have to make adjustments on the Keyboard.
By taking control before you actually reach your target heart rate, the computer reduces
the chances of overshooting your target heart rate. It does this by increasing the speed
in .1 MPH increments. If needed, the speed will continue to increase up to the pre-set
maximum. If your heart rate has not reached your target heart rate and you need an
additional workload to raise your heart rate, the grade will be raised in .5% increments
up to the maximum pre-set grade (unless 0% grade was entered).
Whenever the workload needs to be reduced in order to lower your heart rate, the
grade is reduced first. The grade will be reduced to 0 (if required), before speed is
reduced.
As your heart rate increases or decreases from your target, the treadmill will automatically
make the adjustments to speed and and/or grade to keep your heart rate at your selected
target. The treadmill will monitor your heart rate and adjust the speed and /or grade
while in the work interval. When you enter the rest interval, there will be a 50% MET
reduction. Your work level will remain the same throughout the rest period. Your heart
rate will be monitored during this time, but there will be no adjustment to the speed or
grade in the rest interval.
When you return to the work interval, your speed will return to a calculated average of
the speeds and/or grades that were used in the previous work intervals. Your speed
and/or grade may increase or decrease while you are in your work interval. This averaging
of speed and/or grade enables you to return to a work level that will bring you near
your selected target heart rate.
When your heart rate is 10 beats away from your selected target heart rate, the following
messages will repeat themselves in the Message Center one at a time:
BEGINNING
INTERVAL HRC
HANDS FREE
The treadmill will take control of the speed and grade.
NOTE:
Do not touch or . Touching any key except
INTERVAL
HRC
or will exit you from the Heart Rate Control
Stage and begin your Cool Down Stage.
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