garret 300i/newbie

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garret 300i/newbie

Post by detecting rod »

ok my garret 300i is just over a week old been playing with it in garden,watching and reading lots of things ,but ive set it to jewellery mode getting strong high pitched sounds scores 85-99 but still seems to be mainly iron,have found 1 coin a 1962 sixpence ,but im still ruining the lawn digging mainly iron?also as new to the hobbbie every thing looks exciting at minute so even though lots of iron couple of bits i would like to have a better look at whats best way to do this ,clean off alot of rust i mean ?



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Re: garret 300i/newbie

Post by Bradrick »

Welcome Rod. The garrets do tend to find a lot of (small) iron, depending where you have set discrim. The garden can be deceptive, so don't lose heart. Mine is medium-sized, loads of long-gone sheds, fences, residential EMI, etc, and raised with imported soil, so certainly not a real testing of a machine. Try and grab yourself a permission and you'll see the difference.

Cleaning the rust? It depends what you think it may be.
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Re: garret 300i/newbie

Post by detecting rod »

thx for reply just have a feeling im missing a little gem out in the garden ,il keep plodding on ,im sure at some point il just try to clear all bleeps just to make sure

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Re: garret 300i/newbie

Post by RossDG »

Assuming the 300i has the same sort of control layout as a EuroAce I would:
  • Use custom mode
    Notch out/reject the iron segments on the discrimination
    Reduce sensitivity by 2 (so top 2 segments off)

    This should help with the iron, but round iron objects like washers, nuts etc will still give a good signal at times as will flat iron, but you should be able to hear the iron tone coming through as well.

    Hope that helps.....
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Re: garret 300i/newbie

Post by Dave The Slave »

RossDG wrote:
Thu Jul 04, 2019 2:17 pm
Assuming the 300i has the same sort of control layout as a EuroAce I would:
  • Use custom mode
    Notch out/reject the iron segments on the discrimination
    Reduce sensitivity by 2 (so top 2 segments off)

    This should help with the iron, but round iron objects like washers, nuts etc will still give a good signal at times as will flat iron, but you should be able to hear the iron tone coming through as well.

    Hope that helps.....
Hi Rod, as a 400i user the above from Ross is spot on.
Tend to run my discrim below 60, which gets rid of nails but you will still find, Brass , Copper, Lead, Silver.
Good Luck, ::g
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Re: garret 300i/newbie

Post by detecting rod »

thx for tips

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Re: garret 300i/newbie

Post by detecting rod »

thats for that great info,sorry for slow reply but been away

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Re: garret 300i/newbie

Post by Saffron »

I started with the Ace 250 and the Garrett Ace series are good machines, and IMHO fantastic value.

I strongly recommend the official Garrett instructional videos which can be found linked from the top right of the 300i page.
https://www.garrett.com/hobbysite/hbby_ ... in_en.aspx

Similar instructional videos can be found from the pages relating to the other Garrett machines.

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Re: garret 300i/newbie

Post by detecting rod »

thanks for the advice guys used the advised settings on local bit of common land ,3 hours of detecting (time flys and i didnt cover that much ground )7 coins and couple of other little bits found lots of can tops ,oldest coin 1914 which looking at some posts here is like a new coin ,2X20p 2X2p 1X 1p 1xhalf penny(which due to size and thickness i was realy happy with and the 1914 half penny ,must say the buzz of seeing that green tinge in the soils and the excitement of then pulling the coin is better than i even expected ,due to the 1914 coin i do not think this grounds been detected before and its the size of a field so im hoping for some more interesting finds ,did get quite a few false readings were i dug signal and it disapeared ,might have been foil though

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Re: garret 300i/newbie

Post by RossDG »

detecting rod wrote:
Mon Jul 29, 2019 9:45 am
thanks for the advice guys used the advised settings on local bit of common land ,3 hours of detecting (time flys and i didnt cover that much ground )7 coins and couple of other little bits found lots of can tops ,oldest coin 1914 which looking at some posts here is like a new coin ,2X20p 2X2p 1X 1p 1xhalf penny(which due to size and thickness i was realy happy with and the 1914 half penny ,must say the buzz of seeing that green tinge in the soils and the excitement of then pulling the coin is better than i even expected ,due to the 1914 coin i do not think this grounds been detected before and its the size of a field so im hoping for some more interesting finds ,did get quite a few false readings were i dug signal and it disapeared ,might have been foil though
Those false signals can sometimes be a small piece of iron - e.g. thin nail, off to one side of the indicated position - once the hole is dug the signal disapears - I have had this with the euroace before.
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Re: garret 300i/newbie

Post by detecting rod »

ok so before going out for a few hours last night i thought id tighten lead from coil up to handle ,got a huge amount more false signals ,thinking about it when i got back home im sure manual said first loop of cable should be loose ,but i have all the books from box apart from manual.so think this is an important thing not to make first turn on cable to tight or low

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Re: garret 300i/newbie

Post by Blackadder43 »

I dont want to try to teach you how to suck eggs, but have you made sure that all the connections are made properly and are secure?

It either sounds like a bad connection, or possibly a break in the cable somewhere?

But
False signals can also be due to how you have set the machine up
If the sensitivity is too high then it will squawk and chirp all over the place
If your discrimination is just and just then iron will "appear" to be falsing signals
Both the above settings if wrong will have you chasing ghosts

I'm not up on your machine so cant really help with settings, but i would track down a manual and set your machine to its basic factrory settings and start again

I think your falsing issues may just be your settings

EDIT:
Here is your manual
https://www.garrett.com/hobbysite/hbby- ... nglish.pdf

Double edit:
Oh, ok i have just read that you are in your garden still?
You will false like crazy in your garden, they are crazy places to detect and should only really be done by folk who really understand what their machines are saying
There is so much junk in gardens its like a waste dumping ground there
Honest try and find a permission of a field somewhere and it will be a whole new machine for you
::g
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Re: garret 300i/newbie

Post by detecting rod »

thx for info im out on local common land now ,sunday used machine odd false but nothing major ,read forum monday and noticed making cable tighter might help went home and tightened cable up to handle alot more false signals monday night when out again ,il go home tonight disconnect and reconect it and give it a few hours again ,also just seen a post saying a mobile might have affeceted it ,i had mobile in bag sunday and in pocket monday so phone will go back in bag ,machine is garret 300i ,thx for info here and on rally post

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Re: garret 300i/newbie

Post by Blackadder43 »

Turn your phone off completely just to make sure
Good luck ::g
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Re: garret 300i/newbie

Post by detecting rod »

would a big piece of iron give the high pitch of better materials ,or just the high numbers ?so if i get high pitch and jumping numbers chances are that there is something to big among the iron,and when pinpointing will it point to strongest target ,like the iron ?

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Re: garret 300i/newbie

Post by detecting rod »

thx ,had bouncing numbers last night but 63-77 so thought it was another can ring ,popped it open and got a solid 93 turned out to be 2 coins 1920-1921 stuck together ,yes its a big learning curve ,the common land im digging has lots of tinfoil/can rings ect,so cant knock out any of those incase good items ,thats 4 copper coins now found 1914 oldest,but i know when i get better with machins il have to go back over area as im sure im missing alot,ive watched some videos a few times to try to help with my dig or not dig options

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Re: garret 300i/newbie

Post by dig-dog »

I hope you’re aware that common land is not a place you are allowed to dig on without permission from its owner. If you’ve gained permission, then good luck to you sir. If you haven’t gained permission, then you could be committing an offence. Somebody has to point this out to you because we don’t want you getting into trouble and we don’t want the hobby to be brought into disrepute.

I don’t want to be a party pooper but it is the law.

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Re: garret 300i/newbie

Post by detecting rod »

spoke with local council about it ,asked for permision and they said fine as long as i fill in ,have times names and dates of person ,if i do ever get problems

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Re: garret 300i/newbie

Post by dig-dog »

Great stuff!
Good luck with getting some farm permission

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