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Minelab Equinox Recovery Speed

Minelab Equinox Recovery Speed

Minelab Equinox Recovery Speed

Just like the iron bias setting ( Equinox Iron Bias Explained ), there is some confusion on the best way to utilize the Equinox recovery speed adjustment. First, we need to understand what it does. The number you set the recovery speed to is telling the detector how fast you want it to post a response and move on to the next target. The higher the number, the faster it moves to the next target ID, so naturally the lowest number is letting it gather as much information as possible, analyze it as much as possible then give the best possible target ID.

As for your recovery speed, I’d run it high, at this trashy site, since you are trying to “unmask.” BUT, again — as you note — there is a trade-off there, as well. High recovery speed means less depth, in general, while lower recovery speed allows greater depth (at slower sweep speeds). NO, you will not get “max depth” if you run recovery speed high. BUT, similar to running iron bias low, a high recovery speed will maximize your machines ability to “see” a coin located very close to a nail. Basically, you can think of the analogy of “snapshots…” If I imagine recovery speed from the analogy of telling the machine to take more “snapshots” in a short period of time, and if I shorten my audio/tone response so that I can HEAR each one of these more rapid snapshots, then I have a better chance of hearing multiple, closely adjacent targets, instead of letting one target’s audio response potentially “bleed over” and “stifle” the response of the nearby target (as would tend to happen with slower recovery speed and the associated “longer” tone responses).

Recovery Speed and Depth

You are worried about depth loss, with high recovery speed, but at a really trashy site, it’s hard to get max depth ANYWAY, due to the density of targets. If you have reason to believe there are deep coins there AS WELL AS shallower coins that are masked by trash, then you might need to hunt the site multiple times, at different recovery speeds and sweep speeds, in order to recover as many of the targets as possible. With that said, eight inches of depth, at high recovery speed, is really pretty good, from my view. In other words, not a HORRIBLE loss of depth, but with the benefit of much better unmasking capability. One thing you might do, is do some testing on coins you have buried at various depths; run them at high recovery speed and faster sweep speed, and see how deep you can detect the coin…and then, lower your bias and re-run the coins, at a much slower sweep speed. You will then be able to get a rough idea of the effects of fast recovery, high sweep speed, vs. slow recovery, slow sweep speed. Knowing these “bounds” on either end of the machine’s capability, will help you to make a more “educated” decision on how you want to run your machine that day, based on your goals, the type of site, the amount of trash present, etc.

Recovery and Coil Sweep Speed

Finally, you asked about sweep speed. That’s a tough one, and I’m still trying to work that one out — testing to see how to match sweep speed to recovery speed.

Here’s what I can say. If you run your recovery really low, like minimum, you need to sweep REAALLLY slow, to get max depth. If you run your recovery high, you need to run FAST sweep speeds, to get maximum depth. If I am running fast recovery speed, is it best to sweep SLOW, so as to give the machine the BEST chance to hear all targets that are in close proximity to each other? YES, a faster sweep speed will yield maximum depth when running high recovery speed…BUT…my “inkling” is that the slow sweep speed combined with high recovery WILL give maximum SEPARATION ability. I still need to test this, though, to be sure. It seems obvious that slower sweep speed should maximize separation ability using high recovery speed. I want to make sure that slow sweeping does not in some way harm the ability of the machine to “do its thing” (accurately, effectively report on all targets) when running high recovery.

the DEEPEST way to run the Equinox  is slow sweep speed with low recovery speed maximizes depth. High sweep speed with high recovery speed also maximizes depth for that recovery speed (though, not as deep as slow recovery, slow sweep speed). BUT, my sense that SLOW sweep speed with HIGH recovery speed might maximize unmasking ability of the unit (while sacrificing some depth). This is how it SEEMS so far, but I need more testing with higher sweep speeds and co-located targets, to verify this to myself…

Good luck and Happy Hunting!

Equinox Iron Bias Explained

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