LifeSpan TR4000I manual To use a chest strap or

TR3000i / TR4000i

Folding Treadmill

handlebar TR3000i and TR4000i

both the TR3000i and TR4000i have a built-in receiver for the use of a wireless chest strap. The TR4000i includes a chest strap. To purchase a chest strap

to use a chest strap or

17