I have read several reviews complaining about the inaccuracy of the distance and rate in MPH.
There is no entry for step length. The step length is estimated based on the height in inches entered in the user profile. See page 13 of the user manual. For the greatest accuracy, you must measure your step length in inches. There are several ways to do that.
http://walking.about.com/cs/pedometers/a/pedometerset.htm After you have calculated your step length in inches, divide the result by .413 for women or .415 for men, to determine the "virtual height" in inches you need to enter into the user profile. My recommendation is, if you are walking or running on level ground most of the time, find a 440 yd track (1/4) mile at a school in your neighborhood and measure the steps you take for a lap using the pedometer.( 440 yds= 1320 ft ) Remember, the inside lane is 1/4 mile. EXAMPLE: Lap steps= 515 1320/515= step length of 2.563 ftX12 (in)=30.76 inches. Round up to 31 inches. 31 inches divided by .415 (for a male,use .413 for a female)= 74.7 (round up to 75) Enter 75 in your user profile. Note: 75 inches= 6'3" My actual height is 5'7" If you are walking or running on a hilly trail as I do, the best way to calculate step length is to check your steps on an uphill segment, downhill segment, and level segment, then average the result and calculate the height you need to enter in the profile. EXAMPLE: Take 12 steps uphill, measure the inner 10 and calculate an average. Do the same for downhill and level sections of the trail. Average the three results to arrive at your average step length for the course. Divide by .415 #men# or .413 #women# as in the previous example to calculate your "virtual height" and enter into the user profile.
If you are using the pedometer in multiple environments, just make a record of your "virtual height" for each environment and enter accordingly before you begin your activity in that environment. I hope that helps. Feedback is welcome.
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