"F> My understanding is
"F> that the HRM counts the beats for several seconds and then
"F> multiplies it to get a "per minute" count
My understanding is that the HRM counts the time between a couple of beats, and then divide that time up into the right constant. (Probably a lookup-table, but that's off-topic here)
Leif Neland
Internet: leifn@roskildebc.dk
--- |Fidonet: Leif Neland 2:234/49 |Internet: leifn@swimsuit.roskildebc.dk