We have an older HR100 heart rate monitor we use for running. The screen went blank so we changed the batteries in both the watch and the chest band. Now all we get is an L on the watch screen. What is wrong and how do we fix it? We were reallly carefull in changing the batteries. Thanks, Peter

Asked by peter on 02/18/2009 1  Answer

ManualsOnline posted an answer 15 years, 2 months ago

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