Question about Timex Ironman Triathlon Heart Rate Monitor

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Heart rate monitor reading "lo"

I have a Timex Ironman Triathlon Monitor. When I connect the HRM, the monitor 'beeps' constantly and altough I receive the heart rate readout, I also get the symbol "lo" flashing in the top right hand corner. I have replaced the battery in the HRM strap and reset the HRM strap too. Neither has fixed the issue. Any suggestion?

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  • Anonymous Dec 26, 2008

    Heart is flashing, beeping every second. Want to leave it on, but can't stand the sound...

  • suzyfinnigan Jan 09, 2009

    yes, I have the same problem, Timex ironman trithlon heart rate monitor, gives accurate heart rate, but beeps constantly and has a "lo" in the lower right corner of the watch.

  • deecy Jan 16, 2009

    Not sure what you mean by bring the manual down to 000 range, as I am on zone 4 and even resetting it to manual does nothing...and the beep goes on...

    Any step by step instructions to solve this?

    Thanks!

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To shutoff HR out of range alarm - when selecting the ranges in the HRM Steup mode - press the START/SPLIT button to toggle the alarm on and off. (use the start/stop button on the pro fitness model). page 14 in my manual

Posted on Jan 19, 2009

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The beeping is because your heart rate is out of range. set the manual level down to 000 and the beeping will stop

Posted on Jan 12, 2009

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