Etrac with different settings results

To learn a new sophisticated machine with multiple settings you must willing to dedicate yourself to trying the various settings in the field.  So I tried a couple of recommended settings and here are the results:

Deep on/off – makes deeper sounds as strong as shallow sounds.  The thought is it would help identify deeper target by sound.
Recovery fast – increases response time to differentiate targets close together.  Downside, it changes the sound (distorts it?) response of of the target making it harder to ID a target by sound.

I started out using deep off and recovery fast when I first received the etrac and decided to try changing to deep on and recovery fast off (recommended by many for finding deeper coins) .  I tried it for three days at one 1800’s era house, 1940’s bungalow lot (building torn down) and two old schools.   I noticed being able to identify deeper iron falsing from another target was almost if not impossible for me.  Between the iron falsing sound and then the nulling of the iron it created a distorted picture of what was in the ground.  I tried using Quick mask to help sort out the target but the numbers were so random it was impossible to tell.  I just assumed there were no coins or other conductive material below.  Well, at the 1800’s era house which must be the iron capitol of the world I came across  a target that put these settings in question.  I came across a target that was obviously near iron.  Amongst the myriad of iron falsing signals I had a quick random number at one angle that didn’t fit the normal pattern of signals.  It was numbers I would associate with a possible nickel signal.  Quick mask barely detected the different metal also.  Two tone ferrous indicated a possible conductive target.  So I dug all the targets in the hole.  I found an old button a bit larger than than a M & M and two small deteriorated nails offset and below the button.  I’m pretty sure if I had recovery fast on I could have singled the button out.  There was a pretty good sized gap between the button and nails.  I’ve found coins closer to nails than this sample.  So now I question a couple targets I came upon earlier in the day.  Since deep silver numbers are pretty close to iron falsing numbers I think the possible signals are blended without recovery fast.  Having fast on, regardless of sound difference gives you a little better information in the TID numbers than relying on just the sound.  I’ve yet been able to determine the “sound” difference between deep iron falsing and a deep coin.  The TID numbers have helped me to decide to dig.  I can rationalize using these settings in an area with less trash and iron though.

Two tone ferrous (TTF) – this is work in progress.  I can see how this can work.  I just find it almost impossible to sort out iron falsing from a good conductive target as of yet.

Last five days finds:  1 – Quarter, 2 Nickels, 2 Wheats (1944D, 1945D) and 7 Memorials.




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