升級
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TA的每日心情 | 開心 2014-4-1 05:23 |
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簽到天數: 77 天 [LV.6]常住居民II
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雖然, 呢篇講920, 但都可以參考一下
有關限制, 詳細可以睇:
http://www.dcrainmaker.com/2014/11/garmin-forerunner-920xt-depth-review.html
First, the FR920XT is compatible with optical HR sensors from companies like Scosche and Mio. It will pair to those sensors just fine.
However, there are some limitations there. First is that optical sensors on the market today largely ‘guesstimate’ heart rate variability (HRV/RR). Heart rate variability has nothing to do with your actual heart rate. Rather, it’s measuring a different metric. Sometimes that guess is spot-on, and sometimes it’s way off. It’s simply a limitation of the technology today. Will it improve down the road? Absolutely. But it’s not there today.
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