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2F tones

Fort Bedford had them for under $160.

I like the solid foot of the 10x5DD over the 11".
But then I'm looking at beating the sagebrush with it.

After reading some complaints about the F70, I dug into how the settings were. Turned out it was just a hot rod detector that the factory set the defaults pretty high.
Its like what I tell new motorcycle riders. Just because your bike CAN go 160mph. Doesn't mean you HAVE to go 160mph.
 
IBdiggin said:
Revier, did you mean "turn it down to 4 on threshold"? You said sense

Disc...not thresh or sense...I corrected it.
I drink too much during the day and get confused often.
 
shadowulf said:
Fort Beford had them for under $160.

I like the solid foot of the 10x5DD over the 11".
But then I'm looking at beating the sagebrush with it.

After reading some complaints about the F70, I dug into how the settings were. Turned out it was just a hot rod detector that the factory set the defaults pretty high.
Its like what I tell new motorcycle riders. Just because your bike CAN go 160mph. Doesn't mean you HAVE to go 160mph.

I have mentioned this a lot in many posts I have written about the F2.
I believe the entire F series is way overpowered right out of the factory, the F2 included, and sometimes we can take advantage of all that power but at times when we can't turning it down should not be feared.
 
Kudos to you REVIER for your work with the F2.
Its on my recommend list with the Compadre when it comes to lower priced detectors.
 
Yep. It's nice to know you can reach around for that second handful of throttle if you need to. That was an old school saying we use to have when describing an engine capable of very high rpm's. You can always turn the F70 down but if you detector is running wide open it 's hard to turn it up.
It sort of sounds like that new coil has been around for a while on different models so there shouldn't be any surprises on the F70 or 75. I'm in interested how it stacks up as far as performance compared to the 11".
 
Agreed. If the difference between the 2 is minimal, then chose the one that suits you best.

I still think someone should at least 1 concentric and 1 dd. But those choices have been already established. Now we can have something that fit the conditions best.
 
REVIER, its starting to makes sense!...Me running 1 disc, a low sens and still hitting deep signals...I cant imagine any other coil on the 70 giving the performance of the 11dd... unless its a sniper or very site specific,

Definitely this machine has been underutilized (by me) once a fellow starts to absorb the engineering concepts behind the circuitry and why it was designed that way.....sheesh! Dave J must sit and read these posts and just shake his head! "Oh great, I built a hotrod and this damn Mud guy is hunting pennys" :rofl: You fellows keep running with this..you know, figuring out at least a few really good optimum settings and where to use them, and we will all have a great 2014.:please: Y'all try that coil hop method when you get a chance...
Mud
 
WOW, i think i'm gonna need to contact the local community college to take some classes just to try and understand some of these post:rofl::rofl: You guys are great..
 
Well, thanks REVIER for really screwing me up -- I was able to understand about half and then thought I understood the other half -- that is -- until -- I went out with all of this great knowledge into the field. My brain twisted like a wet dish rag and my ears went numb and I saw this little kid looking at me like I was one of the walking dead. THEN I remembered this same thing happened to me when I was plunging into the game of golf. I was golfing down in the low double digits handicap but wanted to up my game so I got this book by Ben Hogan and I practiced in my back yard, over and over and then hit the links, worst golf day of my life -- Then I remembered I did the same damned thing when I threw myself into bowling -- I pressed so hard on the technical and technique but seem to be frozen in that 180 average zone. Where am I going with this? Well, as soon as I knew the basics and learned to throw the book away that is when my golf handicap dropped into the even lower double digit and doing the same thing in bowling I gave all the books away and cranked out two perfect games in competition. So, after going home and crying on my wife's shoulder (turned out to be fun) I went to bed, thinking about all of the other things I had thrown myself into and how the book and the rules are made to be broken to rise above you natural limitations. Next day, I hit the same field, set the machine for the most pleasing operation (you know, quiet but strong) and scored one ring, 25 Quarters, 25 dimes, 2 Wheaties plus another 30 pennies. Hey, don't knock digging pennies, I would not have found the ring as it was bouncing in and out of the clad penny zone. Also, half the pennies I found were all coppers -- oh, yeah, I found two nickels too. Maybe, over time, I will be able to soak up all of the info one small bit at a time -- sometimes too much is just that, too much. Certainly what you have shared, REVIER will go in my file for future consultations. Thanks buddy
 
I truly appreciate all the information in this thread. :beers: But I have to admit I suffered from headaches, bleeding eyes and fear of raising my hand when I had a question while reading it.:unsure: Thanks IBdiggin.:biggrin:
 
Absolutely Knarfj. I know what you mean. I try to leave the technical stuff for equipment comparisons and concentrate more on an observation of what's going on around me at the site. I need to know everything my detector is telling me but I guess I don't need to know how its doing it. I found it doesn't make my head hurt as much if I don't try to absorb all the info at once.
What really upsets me tough is the fact I didn't start this hobby 20 years ago.------------HH and top of the day to all--IB
 
My head is busting open also, but like most of you I will take all that I can handle, go out in the field and experiment and see what works and what doesn't for me.
I love all this tech stuff, always did, and I just think the more you know about how things actually work no matter what those things are the easier it will be to get the most out of them.
Since I now have such a great deep unit with all these possible settings, all this is just super interesting and I am hot to get out there and try it.
I love this hobby and always try to do it the best I possibly can and always get better and anything that will help me do that, even one good tip is a good thing if it works...for me.

Here is another little nugget of info I came across.
Evidently there is a boost in sensitivity when you lower your disc down to 4, and ANOTHER ONE when you raise your disc above 20.

A additional sensitivity enhancement/boost program is employed when Disc is set at '4' (and lower). With a more rational Disc setting of '5' ...... the sensitivity is returned back to normal levels. When Disc is above '20' ..... due/because a lot of chatter is reduced......... this allows for the sensitivity enhancement/boost program to be employed again. There is justification for this engineering intent. Most folks would not understand this rationale ...... or even know it exists; yet, Dave Johnson is on top of engineering attributes that many would never have reason to think thereof. There's plenty of other attributes within the programming logic of the T2/F75 architect that are 'behind-the-scenes' ....... and most folks may never discover it. What's (underlying) is............ as you become more of a seasoned detectorist and delve into the 'professional treasure hunter' category..... then (and only then) do you start to become more 'demanding' of your unit...... with additional required performance/programming ........................................................ only to discover ............................. these things have already been 'thought' out................... AND are employed in the detector. This is called 'forward thinking'.


Wonder of wonders it is actually going up to 41 today and a little rain will come in and hopefully melt some of the snow we have still on the ground.
Tomorrow I have some time to hunt and it will be sunny and 46 so I am getting out the sunblock and planning on heading up the mountain again where I have found some cool older targets.
Some EMI here, some good amount of iron in a few spots, too, not to mention a bunch of foil so I am hot to try this frequency adjust thing and that hunting in mono tone technique and maybe even hunt a little with the disc in the 20's to knock out some of that foil and just dig all good tones no matter what is happening on my screen and see what I can find.
I am actually very excited and have high hopes with all this new knowledge I now possess.
Man I love this hobby and I am seriously falling head over heels in love with my F70 and all it is capable of, too!
 
Well, we have a good bunch all lathered up and ready to hit the hunting grounds this year.:clapping:..good thing we are dispersed around the Country/World and now have some technically minded members that I hope can teach us all a thing or two...I have not yet decided what to focus on hunting for this year, most likely it will be jewelry/clad again since thats always being dropped, with a few opportunistic curbs and tearouts along the way.. It would be cool to do some door knocking and try to get into some older coin locations. Yes we are supposed to start getting rain on top of all this snow this weekend, so I might get out on the melting snowpiles or sledding hills...If Fisher ever decides to make a AtPro Killer...I would think a waterproof to 20' F70 with a more hydrodynamically designed coil, (like the 11"dd with the fins cut off) would do the trick!
Mud
 
I've seen those posts about 1 tone and low DISC settings, and actually tried them but it wasn't for me, because where I hunt there's just too much iron and I was mostly digging iron.

I also tried the very high SENS setting but that was giving me so much extra sounds and falsing that I wasn't able to separate the good sounds from the bad.

My go to setting are DISC 0, Tone 2F, JE process (which has max power over the full DISC range) and for each hunt location I try to find the highest SENS setting that doesn't give me the falsing tones that sound like real targets. Usually my SENS is between 65 and 75.
 
Revier,

Be interesting know how that 20 plus discrimination works out. I am curious as to weather the sensitivity auto increase achieved above 20 disc. will still let the small ladies gold break through the threshold if those 20 to 22 VDI foil seals are notched out. Or even what threshold setting to use. I think I would try the elliptical 10" first in that scenario since it seems to hit a little better on small gold..----IB
 
As a hunter of old coins, I have thousands of hrs of practice with the 75, eventually, I was able to hunt max sense, zero disc. I became immune to all the signals/noise, unwanted targets and only listen for the (possibly) good signals that barley peek out. These units are very fast and sensitive. How many times have you dug a little piece of candy kiss foil six inches deep?

It requires super concentration when hunting like that in high iron nail sites....It is a challenge with nice rewards.

Years ago I tried the 1 tone 6 disc method in a high iron/trash and squeaked out some flat buttons out of a very hunted site....man, I thought I was on to some super settings. I don't think Fisher knows everything the f series units can do. Guys like Tom D. who spend boo-koo hours testing and tweaking come across this stuff.... and luckily share it with us.

The f-75/f-70 are awesome units....more than most realize. I used the 75 when it first came out and since then got a f-75se.....the finds will make you a believer, be very patient.
 
Okay Revier, got it. Wasn't there a post by bdiggin too, seems that after assimilating all of Revier offerings my mind wind blank, but like all good Trash Collectors having an empty head is not a problem. I do have an observation, however -- a lot of TCs compare the F75 and the F70 as though they are the same animal. Here is a quote from Don J --

"In general if a T2 or F75 seems too noisy, the solution is to set the discrimination level to the iron range; and if that doesn
 
You gotta take in in like eating a pizza, one slice at a time.


new highlighters and printter paper.

Off to walmart!
 
I don't know dbax, engineer speak to me.......translated = huh!
 
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