One thing that\u2019s helped me to understand this detector is learning what it won\u2019t do.\u00a0 <\/em>When you hope to acquire and identify the smallest, weakest signal out there \u2013in the worst, most inconsistent environment, having this mental \u201cbenchmark\u201d is a handy tool.\u00a0 Of necessity, in winter–I bench test detectors in my basement.\u00a0 Like all basements mine has a furnace and a power panel.\u00a0 While the CTX doesn\u2019t do well near these two EMI sources, –it still detects targets.\u00a0 How it falters and responds to over-use of the Sensitivity control is a great teacher–instructing me on what to expect from this machine in rough salt water or black sand.\u00a0 As was suggested as an experiment in chapter 2, (with lowered Sensitivity) turn the machine on near a television or in your living room.\u00a0 This noise is the same noise that needs to be mediated in the field.\u00a0 Those faint–masked-by-interference targets sounds are the same ones that need to be listened for in rough surf.<\/p>\n

Similarly, going from a quiet Auto Sens setting to Manual is the way to get more depth–but at the expense of operating with a lot more difficulty–hearing through noise and false responses.\u00a0\u00a0 The more practice you have at this–the easier it becomes and the less likely you will need to depend upon Auto.<\/p>\n

This principle also applies to running the 17\u201d coil and I\u2019ve noticed what a good \u201cteacher\u201d it is in that when you go back to the stock coil after using it the smaller coil now seems quiet (and light)–and easy to run \u201cup high.\u201d<\/p>\n

Targets can also act as \u201cteachers.\u201d\u00a0 Just as with a pulse–when you are forced to work in an environment which is full of nails–it\u2019s surprising how quickly you learn to listen for round sounds.\u00a0 With the CTX, those who want to learn to work in pure open screen have to really \u201ctrain their ears\u201d to ignore a lot of noise.<\/p>\n

\u201cPartial\u201d responses and \u201ccross-feeds\u201d also teach you a lot about the CTX.\u00a0 These signals show you how the FE metric cannot be accurately captured with existing technology (although it\u2019s being claimed by Minelab that the new Equinox\u2019s \u201cIQ\u201d platform does just<\/p>\n

With a CTX closed screen like the Desanto program–notice how many responses that are well outside of the accept \u201cbox\u201d sound off anyhow.\u00a0 This gives you a good look at how even a sophisticated machine like the CTX struggles to identify targets.<\/p>\n

When you open the screen up, these partial responses require several coil passes to be knocked out.<\/p>\n

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\u201cCTX Power Dispersion\u201d<\/p><\/div>\n
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From: “The Minelab CTX 3030 Gold\u00a0 Hunter’s Guide”\u00a0<\/em><\/strong><\/p>\n
by clive james clynick<\/p>\n
clivesgoldpage.com<\/p>\n

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