I do not own an Ace, but another older garrett, with an LCD screen........I dug a whole lotta junk at first too...
They suggest you do not use much disc. at first, and dig every target to get use to the different sounds your detector is giving you.......
For the first 10-20 hours........This is good..........sound advice (no pun intended)......Don't pay to much attention to the screen that first 10-20 hours.....Listen to the different sounds it makes.......When you get a good REPEATABLE signal......go east west...west east....
if you get a solid signal in both directions..........Then go north south .....south north.......If and only if you have a solid signal in 3 of the 4
directions....THEN look at your screen.......It should not bounce more than one notch......as you go over it again.......
East/West West/East N/S S/N........If the signal is good E/W and W/E......but no solid signal N/Sand S/N.........It is garbage !
If you have a solid signal in 4 directions........than before you look at the screen ID......Try to memorize that sound.....
Then when you look at the ID.........You will learn quicker.......what it is trying to teach you.......
Oh yes...........If it is a good signal in 3 of 4 directions.........It is likely a coin on an angle,and the odd direction that you do not receive
a signal is the high side of the angled coin......If you understood that you can almost picture the way the coin is laying in the earth......
The vertical coins are tough for me...........I dont quit have a picture in my mind how it lays ,or what its supposed to sound like....
As far as pinpoint............I don't know ,,,every macine is different......But if you have the oliptical coil that the Ace comes with...........Maybe either another Ace user...........Or Lonewolf can help you there.......Hope you could get something useful out of this....H.H.