Piecewise curve types

Hey there,

I'm running of Openlab CDS C.01.10 [201]. In the calibration section of offline mode there is, among other fit types, one called "piecewise". I've asked around and nobody seems very familiar with this type. I'm using a seven point calibration, and I'm wondering how this fit type works. It seems to simply draw the line between on point and the next as opposed to a more conventional curve. Can somebody please point me toward some information on this so I can see if this is a type I'm allowed to use? I'm thinking that as long as I have the requisite number of points and value of 0.995 or higher, I should be ok. But I'd still like to know more about it.


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