Question about Timex Expedition 40141 Wristwatch

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Heart Rate Monitor Issues

I have a timex t5h881 heart monitor and I can't find the user manual. The problem I have is that when I'm using the heart rate monitor mode, I have a "beeping" and a "LO" symbol next to my displayed heart rate. Can anyone tell me why this is happening and how can I fix this issue?

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SOURCE: Heart rate monitor reading "lo"

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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SOURCE: Timex heart rate monitor does not keep correct BPM. I changed the battery, now the heart rate hovers in the 30' and 40's, never getting to the correct BPM

Make sure the back of the watch is spotless and your skin isn't too dry.

Posted on Apr 23, 2009

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There are two ways to find the user manual for your Timex watch.
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  2. Find the 3-digit module number located on the caseback of most Timex products and click on the corresponding language link for that number in the Module Table.
If you are still unable to locate your user manual, you may emailTimex Customer Service or call us toll-free at 1-800-448-4639.

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