The FR70 and FR60 calculate calories based on a heart rate calculation generated by Garmin. This generic heart-rate-rate based calorie count uses the following information to determine calories:
- Heart rate*
- Activity class
The FR60 will need to be updated to software version 2.40 or higher to use this calorie formula.
*If a heart rate monitor is not being used, the FR70 and FR60 will determine calories based on speed or pace. This will require a Garmin Speed/Cadence Sensor (GSC 10) for cycling or a Garmin Foot Pod for running/walking.
Update - https://buy.garmin.com/shop/store/downloadsAgree.jsp?product=010-00743-10
Heart rate monitor - https://buy.garmin.com/shop/shop.do?pID=15490
Garmin Speed/Cadence Sensor - https://buy.garmin.com/shop/shop.do?pID=1266
Foot Pod - https://buy.garmin.com/shop/shop.do?pID=15516