Thread: Garmin 25 and speed sensor - using GPS as default
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Old 02-11-19 | 07:31 AM
  #3  
TimothyH
- Soli Deo Gloria -
 
Joined: Aug 2015
Posts: 14,779
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From: Northwest Georgia

Bikes: 2018 Rodriguez Custom Fixed Gear, 2017 Niner RLT 9 RDO, 2015 Bianchi Pista, 2002 Fuji Robaix

I owned an Edge 25 several years ago. From memory...

It has to be switched between indoor and outdoor mode depending on whether you are actually riding or on a trainer.

Indoor mode uses both cadence and speed but no GPS.

Outdoor mode uses the cadence sensor but ignores the speed sensor other than pausing/unpausing the unit. The speed sensor is essentially a pause/unpause switch and GPS speed data is used instead.


-Tim-
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