Casio sports watch actually measured height or rely on air pressure . the air pressure at different altitudes is different . According to a relative pressure difference recognized by the international value , converted to a high degree of difference , so that accurate measurement too is a little too harsh for Casio The .
The following is the official web site casio Description:
The watch altimeter using pressure sensors detect pressure now , then with this pressure test value according to ISA ( international standard atmospheric pressure ) default estimates are high . You can pre- specify a reference height, this watch will be based on this reference value Calculate the current relative height .
Set the reference height
Casio sports watch can also set the recommended height . that is, will record the initial value you set . such as your foot of the mountain . You can set the reference height is 0 , when you reached the top on , the test altitude of 1,000 , then you Have to climb the mountain to climb 1,000 meters .
However, if you could . sea level where you can set the reference value of 0 , then climbing when you retest . should be able to measure the altitude of the mountain is probably worth it .
On the altimeter simple test .
You can test a large look at the first floor when the height of several storeys climb again , and then test the height, height difference between the math and see the actual height difference is not much .
They need to remind . casio watch test is highly dependent on the pressure , if measured in adverse weather conditions are essentially banned.
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