True Z5.4 Owner's Manual page 21

Chapter 4: Programming &
Operation
A Note On Heart Rate Monitoring:
The chest strap produces a FM signal that the treadmill reads and registers your heart rate. The accuracy of
Contact Heart rate (CHR):
The CHR system lets you monitor your heart rate without wearing a strap.
Gently grasp the CHR pads.
During this time, the system is analyzing and locking in your heart rate.
Important:
The CHR System should only be used at speeds of 4 mph or lower. Above this speed CHR accuracy is
unreliable due to large muscle movements.
Exercise with smooth body motions.
Breathe smoothly and regularly, and avoid talking.
Grip the pads lightly, not tightly.
Make sure your hands are clean, free of both dirt and hand lotions.
When using a HRC workout, it is best to use chest strap monitoring.
Heart rate based workouts work best with the extra accuracy gained from a chest strap heart rate
monitoring system.
A Note on CHR Accuracy:
CHR monitoring may be less accurate than a chest strap, since the heart rate signals are much stronger at
the chest.
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