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High coin thunk sound

A

Anonymous

Guest
When i hear a high pitched beep thunk while detecting I assume it is an iron object. I hunt in iron mask -6, fast mode, disc. 26. While hunting a very old park i was getting a lot of high coin thunking but finding very few coins (it has been hunted to death). I was getting frustrated so I dug one of these signals and up came a seated dime, other beep thunks turned out to be indian heads, wheaties and mercs as well. Some of the dimes were barely audible chirping sounds. Also these were not repeatable from another direction, only one direction. This could not be a fluke because i found over 15 coins this way. So what is this beep thunk ???
 
were you running in auto sens? if so try switching to manual.. that sound generally happens when the auto sens is adjusting itself or coins on the fringe of detection tend to do that
 
the coins were found between 6 to 8 inches suing the 7.5 inch coil and sens at auto. I will try putting sens on manual and see what happens.
 
Jim, I've heard the same thing and went on. Darn now I'm gonna have to go back and redo 4 football fields, 2 old schools, 5 or 6 parks and.....
Tom, thanks for bringing that to our attention.
Jim, it only happens in auto?
Thank you, thank you, thank you,
And to think I almost gave my XS a spanking for not finding more!!! HH wmike
 
It generally happens in auto the times I have heard it, I think its the auto mode readjusting back to threshold.. seems also to only happen in fairly clean ground where you do have a threshold to begin with.. next time you hear it switch to manual and see how the target sounds.. If the site is high in iron you may hear it in auto as well, and switching to manual mode if set too high might drown it out, so you may need to turn down the sens,, If you hunt everywhere with sens in auto set high anyway like 28-32.. you m,ay need to go down to 22 or o to get a lock when switching to manual.. thats why in clean ground I run high manual and in iron I run lower 22-24 with the 8 inch and down as low as 18 with the 10... really depends on the site where that sens is set.. I know you can just switch to high auto, but I think it drives it down lower than needed trying to maintain a threshold and you will miss stuff in iron/trash
 
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