I had a "slightly irregular heartbeat". What happens if I check the Double HRV Tolerance box and really don't need to?

I have an irregular heartbeat too. If you don't get errors, no need to double the tolerance. However, if you do get errors, then you can double the tolerence and if you still get errors, lower the scanning voltage from 20 volts to 10 volts. Too much is not always better. Your scan should then be error free.

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