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Your Garrett VLF/TR ADS DEEPSEEKER or GROUNDHOG is capable of target discrimination. By measuring the conductivity of metal targets. This includes all metallic objects and minerals (ore) that are electrically conductive. Garrett’s fully adjustable TR DISCRIMINATION. CONTROL is a continuous adjustment potentiometer (no discrete, fixed step. Either Manual or Auto-tune of the Threshold can be selected.A Battery test switch is included for testing of both battery conditions.
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.Seller Notes:“ Good working condition, It does show some signs of use but overall very nice.
The ground cancel potentiometer takes a minute to get used to because it is the kind with 3 metal balls in the internals. Comes with travel case new Hori Hori style digging tool, and headphones.
Batteries are not included. ”Model:Garrett A.D.S. Deepseeker VLF Metal DetectorBrand:GarrettCustom Bundle:YesBundle Description:Comes with travel case and new Hori Hori style digging knife tool and headphonesFeatures:Discrimination Knob, Volume Control.
The garrett 'fortune hunter' TR discriminator predates the 'Groundhog' by a few years. You say '1977', for that fortune-hunter, but I'd say more like about '75 or so. And by then, there WAS already ground cancel (all-metal ground cancel at least). Whites had had that (aka 'GEB') by 1974. Perhaps Garrett was a little slower to adapt, or buy into the patent, or whatever. The Groundhog dates to about 1978 or '79, and was, as you say, similar in the TR disc. To the fortune hunter.
Except that it had VLF all-metal as an option on it.The both were good machines for their era. Except that by the time the Ground-hog had come out, TR disc.
Days were ALREADY numbered. Because by then, motion disc, (aka GEB disc) had already hit the scene. And those that got those (Red baron, 6000d, etc.) in 1977 to '78-ish, were quickly spanking those with TR disc. About the only exception might have been in trashy spots. Because the early motion discriminators were extremely fast swing, thus prone to masking.
That was perhaps the.only. advantage that a TR disc. Might have had. But by the early '80s, the swing speed had been slowed way down, and TR's days were over.As far as the comparative VLF/TR's, that Groundhog was probably at the top of the game.
Like if you were to compare it to the 5000D series I, it was much better. Looking closer at your showing of the 'groundhog', I see it was an earlier type of the Groundhog. The Groundhog I am familiar with (that I got in '79 or '80-ish) had a toggle switch on the end of the handle. Not a pushbutton. Also I recall them having a needle, whereas the one in your video has nothing but a Garrett Logo and 'fortune hunter' decal in that spot? So either you have the 'little sister' to the Groundhog, or something that was between the fortune-hunter and Groundhog, date/evolution-wise?
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March 2023
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