550ZTX Treadmill Owner’s Guide
Examples and Cruise Control
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1 - A user who physically cannot walk over 2.5
mph can safely use heart rate control by
entering maximum speed of 2.5 in an HRC
workout.
2 - A runner can run up to a speed of 10 mph,
without hills, by entering a maximum speed of
10 mph and a maximum incline of 0%.
3 - A walker enters a maximum speed of 4.0 mph
and a maximum incline of 6%. The walker is
limited to a maximum speed of 4.0 mph and
incline will be used if required to elevate the
heart rate up to a maximum of 6%.
This is the simplest way to enter target heart rate training.
While in manual or any program you can enter Target Heart
Rate Control by simply pressing the Target HRC/Cruise
Control key. Your current heart rate will be set as the target.
For best results, you should be at least five minutes into your
workout and warmed up. This will allow Cruise Control to
more accurately control your heart rate.
Remember, you must be wearing a chest strap, and your heart
rate should be displayed in the Heart Rate window.
To change your target heart rate press . Edit the target
using and press . If you are lowering your target,
you are limited to a 5 bpm change. It is important to note that
if you are raising your target, the speed and grade change
safety limits (described next) may prevent the treadmill from
raising your heart rate to your desired new target.
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EXAMPLES OF
HRC
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CRUISE
CONTROL