What is the unit of chart?

[Ashion]

Hi! I ask a simple question,that is what the unit of chart is.Thanks!

adds,I mean X scale

[RavensFan · Accepted solution]

Whatever you want it to be.

If you pass in a numeric value, or a numeric array, the units are the elements of the array (0, 1, 2, ...) and whatever that means to you.  If you pass in a waveform, then it will be seconds, or whatever the dT of the waveform is.

[Ashion]

Thank you Ravens Fan.Before this day,i don not know whether it is mm or m,now i see,thanks a lot again!