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Fast & Deep Settings

A

Anonymous

Guest
A recent debate on the Fast & Deep Settings as per Explorer series metal detectors has been noted. This short reply as given here may help in explaining the function.
Their actions are, to some extent, opposite. During filtering of the signals different calculations are made based on what action has been chosen. To identify targets correctly these filters are on and off at differnt times to provide discrimination and to also react quickly to targets which are perhaps close to one another e.g. a coin and a nail.
Each of these settings may have a slight trade-off in relaying crisp signals and discrimination may also suffer slightly.
Therefore, it is a bit counter-intuitive to use these two options at the same time. However, it appears that sometimes the dual combination can work to provide results in certain situations. Typically in a trashy site the Fast option should be used. For clean soil of the non-mineralised/non-trashy variety (if you are lucky enough to find some)and for salt-water beaches the Deep option can be selected.
"Happy Thanksgiving" to all in the USA.
Best regards
Des Dunne
Field Application Specialist
MInelab International
Ireland
 
Well we have now gone full circle since the question was first asked thanks Des for your ver instructive reply.Jerry. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)"> <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
 
mmmmMMMMMM <img src="/metal/html/please.gif" border=0 width=29 height=15 alt=":please">
 
Thanks for the Information Des. Well its nice to get that one put to bed. The guys in the states are always going to set up their explorers and detect differently to us europeans. Its what brings each of us results that counts. We are all using the best detector money can buy for coin and relic hunting.
 
Thank you for taking the time to posts and explain Fast and Deep. In another life I would have very much enjoyed working in the design and application of metal detectors. I taught digital design for years and liked that area of electronics best as it was so clean, neat, and logical.
Let me also add that many years ago I served with the fine soldiers of your country in Vietnam during the Tet Offensive and for a year afterwards and have the greatest respect for our friends "down under".
Roy Candy is no doubt one of the great pioneers in metal detecting. While we are so very interesting in the hobby phase I often think of Minelabs involvement in humanitarian efforts to recover the millions of land mines in the world.
Have a great day and again thanks for the clarifications,
HH, Cody
 
I'm in the Fast=OFF Deep=ON camp 90% of the time. No method or combination of settings is correct 100% of the time, my approach is to play the best odds for my particular site conditions.
This makes it easy to ignore all that shallow trash and clad and focus on the deeper older coins e.g. I cover more ground and make more finds per hunt.
I don't claim that I find "every" target but most of my finds are right up next to trash/iron sometimes even fused to iron so Fast=On is not a requirement to make those finds. You do have to pay attention, the signal is often mixed but you can hear the coin in there fairly easily. I'm up to about 3,000 old coins now so consider that field data.
Where I use Fast=On is the extreme shallow trash heaps where its nearly impossible to get between it and see whats deeper otherwise.
Now that said there could be site conditions in your area that demand fast=on and I have just never hunted such a condition.
The tip Des has me interested in is turning deep off for highly mineralized areas, I wonder if that would help up in the Oregon black sand. I'm going to give it a try for sure next time I'm out there.
The more I use this machine the more I find use for all its features, at the appropriate time and place.
 
You run these setting pretty much as I do. There are reasons why we should look at the different settings and find out what works best for each of us.
Fast is a great setting for high trash but will cause ultra deep faint target to be tuned out so quick that we can miss the change in the threshold. In clean ground you really don't need Fast ON but going to some of the other Sounds will give us a nice long hit on the ultra deep faint targets.
One trick I often use is to have Fast ON so I get double hits on shallow targets. You can measure how deep different target give a double hit and walk past them and use Fast like surface blanking. I often ignore all double hits knowing they are not the deeper targets that I am looking for. With Deep ON for audio boost and Sounds to other than Normal you will get a nice long hit on deep targets so can focus on those.
I am a strong advocate of experimenting with the different settings to find the ones that work best. If I set the Explorer to search my yard then I would expect the settings needed to remain pretty much the same unless it goes from very damp to dry soil or if what I am looking for something different. However, in wide range of areas I search it is best to have many setting depening on what the site and what I am searching for.
Have a great day,
HH, Cody
 
It didn't work last year either <img src="/metal/html/biggrin.gif" border=0 width=15 height=15 alt=":D">.
<img src="http://www.fcooper.fsnet.co.uk/endgold.JPG">
<img src="http://www.fcooper.fsnet.co.uk/endsilver.JPG">
Regards
Fred
 
Fred,Thats made my day.The tears are running down my cheeks Brilliant absolutely Brillaint.Jerry. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)"> <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol">
 
Have you tried hunting with Fast off, Deep off? How about Fast Off and Deep on? How about Fast on and Deep off? Not saying that you do but alot of people get stuck into using a certain group of settings all the time. I truly believe that you should use whatever works for you and your soil conditions but not get stuck in the rut and try new approaches from time to time. Clearly you have done extremely well with your settings. HH <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
Scott
 
Cody you get double beeps on shallow targets with fast off also, sometimes they triple beep and they are easy to ignore.
 
You are correct as you know and as it depends on the sweep speed. Even with FAST OFF there is a sweep speed reset for normal and this will give double and as you say tripple hits if the sweep speed is slow enough.
The bottom line with FAST and DEEP is you can set it them how you want and by adjusting our sweep speed and focus on sounds do just a good. I think I would impress on new users that you can set them as you like and do just fine. It is not an all or nothing deal.
It is interesting how a couple of functions desinged to be of help can be the reasons for a lot of different opinions. However, that is good as we end up with better machines and better control for the user.
Have a good one,
HH, Cody
 
I have been on this forum longer than 99% of all others and it is amazing how many hop on the settings bandwagon. A couple of years ago Mike M. and the St. Louis crew were having incredible success with the set up they were using, and like the pied piper <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol"> everyone was thinking that was the best way no matter where they lived, or what they hunted for. Since than we have had the big ferrous vs conductive debate and now we're on to some trying to push that fast and deep might not be a good idea. So now many who have bought an Explorer and were having success with fast and deep are thinking they must be missing some targets. I know some pretty darn good hunters on this detector and one that uses fast and deep with GREAT success, BUT he doesn't swing like most hunters because most of the time he's in an early site infested with nails. I'll say it one more time.... How you swing is every bit as important as what settings you use. In trash you will miss lots if you walk through with a big looping swing and hope the detector will do all the work and not you.
I really get a kick out of people who actually put time on the Explorer but than come in here and listen to people who don't even really use the thing. You can speak on a general detector basis and adapt that to any unit and that's what certain people like to do. They think they know all there is to know and spend most of their time trying to convince others they know best. Sure it's impressive if your new but it doesn't take long for someone with some time in to see certain people are by far just talkers and not real hunters.
Thanks Fred for clearing up Fast and Deep DOES work!
 
Hey Scott,
That's exactly right. Everyone has their own best way for what settings to use for where they hunt and what they hunt for. Once you find what you prefer and get you ears very tuned you will be set! <img src="/metal/html/biggrin.gif" border=0 width=15 height=15 alt=":D">
My first year I had a very basic (not that it gets much more difficult to push a few buttons) set up and got a good handle on what the Explorer could do.
The second year I made small adjustments and having success so kept doing what I was doing.
By the start of the 3rd year I did start to make a few more changes but had a visitor that was finding things I was no question missing.
By the end of the 3rd year and this entire year I used what I learned that week with my guest and changed it slightly to my own way and that is the permanent way I do things and will likely always be.
My big changes were... going from Auto to man. sens. after the first year. Slowly opening my IM and raising my sens. This was done by no more than a notch every two months. That's why conductive makes sense to me with high sens. in heavy iron, and may not to others. The last change and I think the one that made the biggest difference is I learned how to swing to work small targets out of iron. Previously I wasn't paying close enough attention to very small sounds breaking the threshold. These were the type my visitor was getting and I wasn't. As for what stayed the same the only biggies that come to mind are I stuck with the stock coil and have had my gain at 10 since day one. Yeah, I'm bored dude. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
Oh yeah, I almost forgot. I use deep on fast off 100% of the time. Even in heavy iron I don't change but of course I hover more than I swing in these spots. If you know how to really work targets out you know what I mean. <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)"> If not come pay me a visit. <img src="/metal/html/lol.gif" border=0 width=15 height=15 alt=":lol">
 
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