This manual is for the Forerunner^® 230 and 235 models. The heart rate features described in this section apply to both Forerunner models. You must have a heart rate monitor to use these features.

Forerunner 230

This device is compatible with ANT‍+^® heart rate monitors.

Forerunner 235

This device has a wrist-based heart rate monitor and is compatible with ANT‍+ heart rate monitors.