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From Fellrnr.com, Running tips
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|[[File:Garmin235-OHR4.jpg|none|thumb|500px| For this run the 235 initially gives an inaccurate reading that is somewhat close to the real heart rate, but then spikes to wildly too high. I tried several times to adjust the tension and position of the 235, but nothing helped.]]
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|[[File:Optical HRM Sensors.jpg|none|thumb|500px|This is a view of the optical sensors of the Basis Peak, [[Garmin 225]], [[TomTom Cardio Runner]], and the Garmin 235 (left to right). You can see the 235 has three LEDs, but their brightness is far less than other three systems.]]
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=Comparison Table=
{{:Best Running Watch-table}}
