Garrett Euro Ace 350

I’m new to metal detecting after about 20years without using one and after watching reviews on youtube and chatting to a few on here (thanks themetaldetectorguy) I just had to get one as it seems the bug is bitten! so after getting it today I drove for an hour to my nearest decent beach, the videos/reviews on youtube being so handy that I didn’t even read the manual but just turned it on, selected ’coins’ and went hunting, found quite a bit of junk, sweet wrappers (Candy wrappers for you guys across the pon