You should find that there is a whole manual dedicated to the probe routines that you can use with the MP10 probe.
I use a Okuma MC600HB with a U100 Controller (I think, operating from a leaky memory here, and it's late...) and it has a very comprehensive manual for the probe cycles.
I would be confident is saying that the M201 command is a user written routine, as the M201 command is a user macro M code.
We use quite a few G Code and M code macros with our machine for probing.
I have an electronic copy of the Okuma gauging manual that I can send you if you can't find yours.
Let me know if you want a copy sent to you.