10
Low battery notifications 82
Caring for your M430 83
Keep your M430 clean 83
Take good care of the optical heart rate sensor 83
Storing 83
Service 84
Precautions 84
Interference during training 84
Minimizing risks when training 85
Technical specification 86
M430 86
Polar FlowSync Software 87
Polar Flow mobile application compatibility 87
Water resistance of Polar products 87
Limited international Polar guarantee 88
Disclaimer 90