I have never used the pinpoint buttons on any of my machines find them useless. I just do the Wiggle method find the target at the end of the coil.I have no problem finding the target even in heavy trash.
I've found when I am using the Equinox 600 in trashy areas, the wiggle method doesn't work if there is trash in your 'wiggle path'. If you wiggle back away from the good target, you often will wiggle right over a trash target that keeps you from hearing when the tip of your coil gets off the good target. From my limited use so far, I think the Deus is easier to 'wiggle-pinpoint' than the EQ, but that may be because I've only used the EQ in either very trashy areas or very rough terrain. I've never used the pinpoint feature with the Deus - just the wiggle.