im new to the ctx yesterday was my first time using it i tried gonehuntings combined mode with the open screen the place i am hunting has been there since the late 1700"s there is alot of iron crap like nails i would get a pretty good repeatable signal in between iron even at a 90 degree turn it would show a iron target and a good target like 11 or 12 42 or 44 i would dig and only find nails but no good targets i would rescan the hole and not get any signal this happend several times you guys got any ideas and if you could share your patterns and settings it would be helpfull thx