My Timex Zone Trainer Digital Heart Rate Monitor Watch T5J983 can't get signal from digital heart rate monitor sensor (M640). All I get is the hollow heart icon. I've replaced batteries in monitor and watch. Had been working fine but both my husband's and my systems don't work after 2 years.

Asked by Taylor on 05/28/2010 1  Answer

ManualsOnline posted an answer 14 years, 7 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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