I just got my Polar S720i, installed it on my bike and took it for a ride. When comparing the speed readouts vs. the other 2 computers on my bike (Shimano Fight Deck, and Cat-Eye Astrale) I get speed readots that are almost double what the other two are reading. I have checked the wheel circumfrence and re-checked it twice. I put in 2096 (direct from the polar manual) and I used 2105 from the Flight Deck manual. both times the speed is almost twice what the other two show. Any ideas??
Cycling Equipment · Public discussion
Polar 720 Help
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- Cycling Equipment
- Published
- 21 January 2004
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- 21 January 2004
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- spc99
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Perhaps the CatEye and FlightDeck are set to miles per hour, and the Polar is set to kilometers per hour, the factor would then be 1.6 * the speed read out.
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After checking out a couple websites I found that I had the sensor too close to the magnet as it rotated by. After adjusting the angle slightly it work perfectly. I had been thinking the close I got the sensor to the magnet the better "reception" it would get. Turns out that was not the case. Thanks for all the help
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