True Fitness PS50 - Manual (Page 9)

The PS50 & PS100 Bike has two ways of monitoring your heart
rate:
...By using a chest strap that transmits your heart rate to the bike
via radio...
...or by using the metal contact heart rate pads on the handlebars.
Although your bike functions fine without using the heart rate
monitoring feature, this kind of monitoring gives you valuable
feedback on your effort level. Chest strap monitoring also allows
you to use Heart Rate Control, which is the most advanced
exercise control system available.
Using the Chest Strap
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Monitoring
Your Heart
Rate
ES 9.0 Owner’s Guide
10
PS50 & PS100 Owner’s Guide
Monitoring Your Heart Rate
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10
Upright HRC Pads Recumbent HRC Pads