Trying to connect polar to BodyMedia

My experiment on armband at gym demonstrated that armband is not very sensitive on weight training and moves like core hoovers etc. It showed moderate intensity to my workout that I did almost max. To get bodyMedia to work correctly, I'd need a Garmin heard rate monitor, but I don't have one. (Got a Suunto and a Polar - so I'm not interested in getting a new one.)

So project is to find a "round about" and use polar for Bodymedia heart rate:-)