Help with my Polar FT7....

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Hey everyone! Hope you are all having a great start to the new year! I had a question and a concern with my Polar FT7.

Question: Do I need to adjust the settings as I lose weight? I wasn't sure how much that affects the reading if you don't change the weight as you lose....

Concern: Sometimes after I am ready to start my workout, it doesn't read my heart rate. It just shows 00.....Is something wrong???


Thanks so much in advance for your help!

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