The best place to find this type of information on the M1 is on my YouTube video:
If you are asking this in the context of getting sufficient information to formulate scientific hypotheses, it is not really something, one thing, I could point you to. For that level of detail, you would need to make a specific experimental setup, then get the bench testing instruments to actually measure how your specific settings/battery state/ coil placement/ other conditions result in a specific electro-magnetic set of conditions. I have to make these measurements every time I set up an experiment. There is no textbook way to do this. This is something I do all the time, but it is something most PEMF manufacturers can’t actually do.
The best thing for people experimenting with this to do is to record your experimental settings and the geometry and conditions of the experiment you are doing, in as much detail as you can. Then, make careful observations on the effects. Take pictures. Write everything down.
If you see dramatic or interesting biological effects, then I can replicate your setup in my lab, make the necessary measurements, and try to replicate the results.
Hint: you are not likely to see dramatic changes for small changes in intensity or pulse rate, and all ICES-PEMF devices have fixed waveform parameters that you can not adjust.