What is Polar OwnZone?
Polar OwnZone is a feature available on a lot of their Heart Rate Monitor devices, but what is OwnZone??, why must I use OwnZone?, there is an write-up inteneded as a guide to get you started and all being well try the OwnZone function on your own Polar watch.
eHeartRateMonitor.co.uk has an guide on what the Polar OwnZone is for and why you could use it. It explains that the OwnZone system built into Polar Heart Rate Monitors sets heart rate zones according to your resting heart rate at the begining, taking into your personal already programmed into the watch.