(January 7, 2012 at 11:06 am)chipan Wrote: i read wikipedia about the calibration methods and they say they calibrate them but don't say by how much in what situations and how they deturmine how much they need to calibrate them.
In order for you to get THAT information, you're going to have to do a lot of heavy reading. The wikipedia article I gave you has a number of references to get you started.