• You used to be able to, up to firmware update 3.0, when the removed the feature, as they thought it was a mistake, according to the release notes.

    I'm not sure any head unit actually lets you know when it tries to auto-zero, which is a shame. But at then end of my stop-start 3 mile ride to work I was producing 40 watt whilst stationary, apparently, so some weirdness definately went down.

    I knew it wasn't going to work with the 500 but the battery was flat in my PC7. From reading around I'm not even sure it work with a PC7, so I might need to get a new head unit. Awesome.

  • PC7 only work with SRM

    You'll need 510/810 or 1000 garmins.

    Older garmins don't have disable-auto zero in the firmware, so you're forced to buy new garmin!

  • Yeah looks like it doesn't it. Booger.

    They removed disable auto-zero in a firmware 'update'.

    As before though I suspect I can bodge it to work by removing the head unit's ability to detect speed.

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