I think the biggest thing to remember with the DA (I`ve been using a PC 7424 for years) is to let the machine do the work. I believe there`s a natural tendency to move the arms too much, too fast (much like using a vacuum as if it was a manual floor sweeper). Go slow and let the machine do it`s job.
Also along with product is the selection of pad density. I think all these different pad densities are more a way to get us to buy more pads. Frankly, I don`t use the softer pads much at all and prefer the orange or yellow pad for most compounding and polishing (I just might not apply as much pressure). Speaking of pressure, I mark my pad backing with a sharpie line to better ensure against too much pressure which could slow or even stop the spin.
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