Identifying False Signals

ToddB64 said:

Question #1: Do modern digital metal detectors with LCD screens produce a visual indication of a false signal, as well as an audio indication ?

On my F2, a false signal due to large metal in the vicinity, (not necessarily under the coil, either), trash that it is sensing but not locking onto fully, or a combination of metals under or near the coil, there will be both a visual and a Audio indication.



Question #2: If digital metal detectors with LCD screens do produce a visual indication of a false signal on the screen, in what form is this visual indication depicted ?

On my screen usually severely jumping numbers, jumping between sections and jumping depth bars.
In the case of big metal in the vicinity like large rusty iron or complete smashed flat cans this might be really high numbers into the 90's...a place where some large coins and other good targets could be like large silver, but that would be the lower 90's usually, not the mid to upper 90's.
On the F2 an overload signal of 00+ can be seen if the metal is big enough or shallow.


Question #3: What audio and/or visual evidence is used to identify that a metal detector is producing a false signal ?

Most times an audio signal that is not fully formed and for lack of a better word, "squeaky", and will usually not repeat in exactly the same place every time.


Thanks for your help !

ToddB64

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