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Real time data fails in wooded areas

My 530 does not record accurately in wooded areas.  I had this problem with my 520, but not to this extent.  It will go from 18 mph to 2 or 3, or even zero.  Distance, again stops recording.  Timer and elevation keep functioning.

  • You need a speed sensor, that's why they exist.  Well worth the $35 to get accurate speed and distance.  I also recommend you manually calibrate it, makes it much more accurate.  It's as easy as rolling out the wheel next to a tape measurer and entering four numbers.