Well on mine, I just do it the old fashion way. I built a mini tracking flag and get two different color grease pencils from a craft store. Wooden paint stirs are great. Run a few layers of masking tape along the stick. let it overhang abut a 1/2 inch. Dont want the blade hitting the stick. Blade needs to hit the tape. So you make the end of one blade with one color and the other blade, another color.

I put some sort of weight on the skids so it wont lift off and start it up. I take a few different hits but mainly about half throttle, she's spinning pretty good. If the tracking is off, you'll see two different colors on the tape.

You can adjust the pc links any way you want but you need to bring the colors together. I usually move the lower blade up to the higher. Doing this depends on where you links are. If they are on top of the head, need to lengthen. If they are below, shorten. Very simple thing to do.