Gman Posted June 28, 2020 Share Posted June 28, 2020 First let me say new to this website. And thanks for having me. Hello to all. My AQ question is can I tell the depth of the Target by the strength of the tone. Does the strength of the get weaker as the target gets deeper. On equal sized targets Thanks Gman Link to comment Share on other sites More sharing options...
Rick K - First Member Posted June 28, 2020 Share Posted June 28, 2020 Yes, the audio is modulated, the stronger the target’s return signal, the greater the audio intensity. The strength of the return signal depends on the target characteristics including the distance from the coil (depth) composition, form factor and mass. 3 1 Link to comment Share on other sites More sharing options...
Joe Beechnut OBN Posted June 28, 2020 Share Posted June 28, 2020 Welcome! To the forum.. Yes, deep targets are just a glitter ...as your getting closer.... they get stronger and stronger. Also I am still learning but you can size, and shape out the targets. The only one's that throw me off are shallow, but lifting the coil does help and Using the edge of the coil can be a big help on sizing shallows also. From air testing and experience I can just about tell how deep a target was once out of the sand. From the size and the very first signal I got.. Shallow micro targets will throw you off, but a kick of the sand or one scoop will tell you if there will be more scoops. What machine are you using now and how..water..sand? 1 Link to comment Share on other sites More sharing options...
LE.JAG Posted June 28, 2020 Share Posted June 28, 2020 41 minutes ago, Gman said: First let me say new to this website. And thanks for having me. Hello to all. My AQ question is can I tell the depth of the Target by the strength of the tone. Does the strength of the get weaker as the target gets deeper. On equal sized targets Thanks Gman Yes and noa 1 gr gold ringand a 20 gr gold signet ringat the acquisition limit, in identical / compact sandwill give exactly the same signalthe only difference will be the depth ..... 1 2 Link to comment Share on other sites More sharing options...
Rick K - First Member Posted June 28, 2020 Share Posted June 28, 2020 LE.JAG, Am I correct that you mean that the difference in mass of the light and the heavy ring is what makes the signal of each of them have the same amplitude at the limit of detection, but that the limit of detection of the light ring is a much shallower depth than the limit of detection of the heavy one? That is a good concrete illustration of the fact that the audio level is a factor of the strength of the signal and that signal strength is a function of several factors and that depth of the target is only one of them. 2 Link to comment Share on other sites More sharing options...
mn90403 Posted June 28, 2020 Share Posted June 28, 2020 Thanks for the responses. I'm hoping for the tells on the modulation as well. It is certainly a helpful feature of a good detector to let you interrogate your target before, during and after you dig it. It makes for a better learning experience going into the next targets. It produces detector memory (mental memory, muscle memory) which gives us the feeling we're on to something good. Modulation just happens to be what I consider to be a weak spot of the Equinox 800 I have. (I never felt that way about the 3030 or Explorer SE Pro) I'm still surprised sometimes by the mass of some targets. I can sometimes anticipate the target by tracing the size but not always. Mitchel 1 Link to comment Share on other sites More sharing options...
Skull diver Posted June 28, 2020 Share Posted June 28, 2020 18 minutes ago, mn90403 said: (I never felt that way about the 3030 Especially with volume gain at 25 and target trace on...I want to go back with it in the two spots I hunted with the Tdi last week and re-check the area faster. 4 gold rings already pulled out but losing lot of time and batteries means probably other good stuff in the area to be retrieved with some discrimination help. Link to comment Share on other sites More sharing options...
LE.JAG Posted June 28, 2020 Share Posted June 28, 2020 1 hour ago, Rick Kempf said: LE.JAG, Am I correct that you mean that the difference in mass of the light and the heavy ring is what makes the signal of each of them have the same amplitude at the limit of detection, but that the limit of detection of the light ring is a much shallower depth than the limit of detection of the heavy one? That is a good concrete illustration of the fact that the audio level is a factor of the strength of the signal and that signal strength is a function of several factors and that depth of the target is only one of them. Yes ! in other wordson perfect soundif you don't see the ringtwo scoop shotyou can hope the jackpot :)) 3 Link to comment Share on other sites More sharing options...
Gman Posted June 28, 2020 Author Share Posted June 28, 2020 Thanks for all the feedback. That's good enough for me. Used to run the original whites PI machine. Also a sovereign and now a White's Beach Hunter. Can't wait to get my hands on the AQ Link to comment Share on other sites More sharing options...
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