iSMARTtrain requires Mac OS X (10.3.9 or above) or Windows 2000, Windows XP or Window Vista.
To download from the S series of Polar Heart Rate Monitors, a Polar IR-Serial interface is required. The Polar IR-USB adaptor is NOT supported.
For the Accurex and XTrainer models, the Polar Interface Plus is required.
A Serial-USB adaptor is required for Macs without a conventional serial port.