coil noise when bumped on 4000

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coil noise when bumped on 4000 Empty coil noise when bumped on 4000

Post  Guest on Sat Sep 03, 2011 10:37 am

Hi all ,nipper here, this is my first post on this forum so firstly thanks for all the invaluable info you guys freely give to one an all on this site! . I get out for a pan now and then and use a small highbanker I built which I love using, also swinging an old xt17000 around wildly with no great return! despite a couple years pretty intensive research around my closest goldfields. but i've learn't a lot and any excuse to get out in the bush is a good'n .
Anyhoo I decided to do a day course with the 5000 to get up to speed a little ,then hire a 4000 from a local guy and go to some of the areas I had no luck with the xt. Did some research on here and found the "Suggested custom mode settings " on one of the threads, decided to go with the "Patch" settings. the 4000 had a mono eliptical abt 12x8 ? ish and after testing on a 1 grammer I was happy with the response, But I found as I was moving about EVERY time the coil was bumped into twigs or rocks lightly it would give a squeel similar to a small shallow target ,this made it hard to concentrate on the fainter signals , So my question is how normal is this and should I have turned the sensitivity back? I checked all leads etc. just seemed to be when bumping the coil itself. any thoughts would be great as I'd like to take it out again a few times before commiting to an upgrade.
cheers , nipper

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coil noise when bumped on 4000 Empty Re: coil noise when bumped on 4000

Post  Guest on Sat Sep 03, 2011 10:57 am

Hi Nipper

Would that coil be a "coiltek 12x8 Mono Platypus" ???
solid resin filled coil..

If thats the case they are a bit prone to touch sens, you would be better off just running the front panel as
Deep
Sens/extra
Fixed
DD

Gain at 10

The patch mode on the 4000 is to bloody twitchy for my liking.


Pete in WA Cool

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coil noise when bumped on 4000 Empty Re: coil noise when bumped on 4000

Post  Guest on Sat Sep 03, 2011 11:57 am

Thanks for the reply Beepinpete, the coil was an open type (spider?) and the labels were so worn that I couldn't read size or type ,this thing probably gets a flogging on wknds and maybe little service as the detectors are a side line from the main business , but they're close handy. I was able to get the threshold good just was'nt sure if it had a fault that might need looking at. They have a 5000 also but she's $120 per day ,sort of puts the pressure on from the get go at that money.
cheers ,nipper

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