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Title: Inconsistent
Review: Worked OK at first, then would give inconsistent readings. Heart rate would freeze and then jump wildly up or down. This would be OK if it happened once in awhile, but it happen so often that I could not rely on the rate having any degree of accuracy. I replaced both batteries to make sure the problem was not related to a weak signal. I also made sure that the watch and transmitter were well within the specified distance range. I also made sure the connection was not dry at the start, and even after an hour of heavy perspiration the reading was not consistent, so it was not a conductivity issue between the transmitter and skin. I returned the unit.
