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Calorie problem fixed

2720691 11 months ago

A couple of days ago I noticed that there was a sudden change in how many calories my 530 was registering, about 60% down. I figured my hrm dual had an ingress of sweat so cleaned and washed strap. I then even purchased a new one as well. So today went out and still noticed was the same so was confused by this and pulled up to check settings. Loan and behold i found that the heart rate zones and max heart rate had changed to 232, totally incorrect! I figured the hrm monitor had give a false reading, thus changing via auto detect the max heart rate. Changed it back to correct figure of 172 and calories all back to normal. Just thought i would post my fix

0 Tonbuster 10 months ago

I too have noticed from time to time the HRM/Edge 530 has a spurious spike, pushing my maximum heart rate to a much higher level than it should be. Then all the reading that relate to effort and max heart rate (including zones) are changed.

I have to manually reset the Garmin Edge 530 to my correct maximum heart rate each time. It’s worth checking the values every now and then if you use this measurement.

0 Kyle J 10 months ago

Hi, you may want to consider disabling the auto-detection for max heart rate, to prevent this happening. Max heartrate generally changes very little (slowly decreases with age), so setting a value manually based on your past activities is good enough.

You may also want to consider changing your HR zone method. Since Max HR doesn't really change, zones based on % of Max HR will also be static, which is not very useful as your fitness level changes. A method like % of lactate threshold HR (LTHR), which can definitely change significantly with fitness level, may give you HR zones that are more useful for your fitness/training at any given time.

Cheers!

0 Tonbuster 10 months ago in reply to Kyle J

Where would I find the ability to "disabling the auto-detection for max heart rate"?

I can only find where I set my max HR, which I know.

The spikes/peaks I described are when the device records (incorrectly) a one off masive spike in my HR.

How would I go about finding my "% of lactate threshold HR (LTHR)"?

0 Kyle J 10 months ago in reply to Tonbuster

Hi, here is the info for the Edge 530 for setting heart rate values, auto-detection settings, and different options for heartrate zones such as %LTHR:

https://www8.garmin.com/manuals/webhelp/edge530/EN-US/GUID-94A5A126-6BB2-47F6-8040-EAD29EC66C2B.html#

0 Tonbuster 9 months ago in reply to Kyle J

@Kyle J Thank you for that link. (https://www8.garmin.com/manuals/webhelp/edge530/EN-US/GUID-94A5A126-6BB2-47F6-8040-EAD29EC66C2B.html)

I was not aware of these settings on the Edge 530 itself. Only of those shown in Garmin Connect (on the computer), which are slightly different.

0 Kyle J 9 months ago in reply to Tonbuster

Ah yes that's a good point. I also use Garmin Connect website to set my zone type (I use %LTHR) and zone values. Unfortunately the auto-detect settings are only on the Edge itself.

Cheers