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GTP1350

A

Anonymous

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I just recieved my 1350 and took it for a test drive. I have been using the 550 so for me there is quite a difference. One problem I ran into is that a few targets just dissapeared when I started digging.
My dad uses a 1250 and has reported similar problems. I cant recall this ever happening with the 550. Any ideas or suggestions would be appreciated. <img src="/metal/html/confused.gif" border=0 width=15 height=22 alt=":?">
 
This can be clumps of rust that breaks up when you dig or very small objects that are difficult to see unless you sift through the dirt. The 1350 is very sensitive to tiny metal objects.
Bill
 
I did have one target that "disappeared" and after moving the dirt from my hole around was able to find again...it turned out to be a very small piece of tin. And i do mean small! I think I am going to really enjoy this machine but I know its going to take a few hours to get it figured out. The initial pinpointing with the eliptical coil took a little getting used to.
 
The trick to pinpointing with that coil is: Center the target side to side then drag the coil straight back until the instant the signal stops. The target will be right under the center tip of the inside oval. 99% accurate.
Bill
 
Hey Grady. I have had the same thing happen to me with just about every machine I have. Sometimes it's like bill said. There could have been a metal object in the ground that is all but gone and when you disturb the dirt, it just plain falls apart and the signal is gone. I think most of these I have encountered were pewter buttons. One other thing it could be is a very small item close to the surface that falls in the hole after you make your dig. This has happened to me quite a few times. The target I am after is right on the edge of the hole I dig and as I pull the plug out, a small amount of dirt and the target fall to the bottom of the hole. If it's real small, I won't get a signal over the hole because the small item is out of the reach of the coil. Next time this happens, get all of the dirt out of the hole and check it. What ever was that gave you the signal in the first place could be in there. One other thing that it could be is a piece of iron like a nail that has what I call a hot halo surrounding it. Well, corroded iron can sometimes produce a halo that will fool the best machines on the market. When a metal object has been in the ground for a long period of time, it starts to break down and emits metallic residue in the soil around it. This can be great if you are dealing with coins because it makes the target look bigger than it really is and your machine will see it much easier. Iron on the other hand can be a real pain in the butt when this happens. Back in the old days, the amount of different metals used to produce iron varied a great deal. Some could have a higher non ferrous makeup and when it starts to break down, these non ferrous metals are mixed into the soil surrounding it creating a hot halo. When you dig your hole, you disturb the soil around the iron and destroy the halo. Your machine now only sees the iron and if you have the machine set up to disc out iron, you will not get a signal. Try pinpointing the entire area around the hole to see if there is some iron that could have fooled the machine. I hope some of this helps and keep us posted on the 1350. HH Tim
 
I have this happen often enough. sometimes the target is actually in the soil at one side of the hole. In most cases, I have been able to locate the target by use of a pinpointer that lets me probe where the regular coil can't reach. Also, the pinpointer works well going over a small mound of soil held in the hand. Many of the smaller pieces have turned the same color as the soil if they were in the ground long enough. Nearly impossible to spot visually.
happy hunting,
Barber Bill <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
 
Yeah frustrating ain't it. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
Bill
 
Thanks for the great responses guys. I am going to try and wear out some batteries this weekend! Wish me luck
 
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