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Dave63

Qed User First Experience & Review

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Hello All

My First major outing with the QED. I intend to write a review here after ever major outing with the QED, until I understand the detector. This also posted in AEGPF. This is my first PI detector. Price, Capabilities and Aussie made were the driving factors to buying this machine.

I went to Warwick GPA for two days. Two purposes for the trip one to recon as much of the all GPAs as possible and two to test my new QED. Recon was to look for potential Dry wash locations. That a different story.

I found all the trash left in the GPA. Bullets, horse shoes, rusting tin, slug gun pellets. Nothing very deep though, all at only a few centimeters. This concerned me so I buried a five cent piece at 20cm on its edge to make it as small a target as possible. Picked this up no problems at all. Full repeatable target. So I am hoping I just didnt walk over any deep targets

I took an XP ORX and my QED

QED got a good 18hrs of use over the two days and used my ORX on some of the same ground: I found it interesting on how the VLF reacted compared to the QED. ( Not Direct comparison test)

My QED setup is as follows:
QED PLII with Detech Shaft
11" Detech Ultra sensing
Quest WIFI to a set of (Apple ipod earplugs ) laught16.gif I am going to buy a good set
Warwick I found has a great difference in minerals across the area. So I had to make sure I basically reset the QED every time I changed location

Quest WIFI - Worked very well. Battery lasts for 24hrs, just as well as I forgot to turn it off most of the time. Had receiver in my top pocket so my earplugs never got in my way. Forgot I still had them in a couple of times Overall very happy with this audio setup

Detech shaft - Excellent

11" Detech Ultra sensing coil - Being my first coil other than HF on ORX - I a had to get use to it sounding hollow while passing it over the ground. Being hollow cuts down on weight I suppose which is good.

I had to Factory Reset at every new spot I detected, as trying to adjust from the previous location was to hard. So in the end I just factory reset when I turned in on at a new location and went through the setup process. Working through the settings starting at 2, then 1,3,4,5

I talk about each setting in the order I used in my setup process

THS-B - Setup range was 49 to 59 so around 54 was mid point. I used it at mid the entire time so I would received an even tone for Small and Large targets

MGB - Setting ranged from 170 to 210. I very quickly got use to checking MGB on the Fly. I did find myself trying to balance in the wrong direction quite a a lot, this just meant spending time cycling back the other way to get correct MGB ( Silence in the Ear Plugs). MGB is achieved on the down motion of the coil, but I was receiving a tone on the up motion as well. Once I got use to this I adjusted the MGB until neither tone could be heard. Once MGB was achieved the detector was silent.

THS-A - This setting initially confused me a bit, as to me it I felt it wasn't really doing anything, after watch the training video over and over and reading some more I understood its relationship to THS-B. This how I used it - (This may be totally wrong so I will need some feedback here). Once I achieved ground balance I would adjust THS-A up until I could just here a tone being produced I would then turn it down until the tone was only just audible. I took this as being the sweet spot for THS-A. Around 50 all over the GPA

Gain - Adjusting Gain up above 2 produced an unstable response from the QED so 2 was the max setting for most of the trip. Adjusting Gain up also effected the tone produced by THS-A. I put the Gain up and went back to THS-A to try and adjust the tone out. This had no effect. So reset THS-A and lowered Gain to make detector stable

Mode - This setting is coil and ground specific to achieve a balance. I found that 3-4 was good for all areas I detected. Anything higher or lower made the detector unstable

After going through this setup( Only took a minute or two). QED was basically silent except for the very low tone that I could only just here from THS-A. While swinging I kept the coil in contact with the ground. I did not receive any coil to ground contact noise. At times I had to check that the detector was still on by passing it near my boot to get a target response ( steel in boots) The silence surprised me, but was excellent as I didn't have to have continual noise in my ears detecting

In patches this happened. I would get single tones from the detector both high or low, swing back past the spot of the tone, nothing. If I started to get these tones, I sometimes stopped moving the detector and listen, random tones still produced (EMI ground mineral) ? I also came across patches that produced multiple random tones. For example a patch 1m square where the detector was silent all around it, but just produced random tones all over the 1m Square. Nothing repeatable in one spot. I dug this out of curiosity, after removing a couple of cm all tone was gone and no target could be found or single disappeared. So eventually I just ignored this type of signal response putting it down to soil type\minerals. I also had tones that produced like a wobbly type noise that was over one spot that sometimes came and went. When dug target disappeared or I found I just spread the target noise over a wider area.

When target was found the tone was easy to recognize and repeatable over the one spot

Please feel free to give me feedback on my setup. I dont know if I am reducing the small target detection or loosing depth

This was my first experience with the QED. Overall I am very happy and excited with my purchase. All I need to do is walk over some yellow and find it. I think my next move is to setup a test patch somewhere. Lead sinkers from sub gram and up

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Thanks for the post, and welcome to the forum.  Hopefully some of the other QED users will chime in and let you know if you're doing it all right for your hotter soil conditions, it sounds like you are to me except maybe your threshold B needs lowered a bit.

I'm in very mild soils so the way I operate my QED is very different to most.  I run mine now mostly in Mode 11 which is no ground balance beach mode, in the worst soil conditions I've encountered so far Mode 1 is my go-to mode which is the most sensitive of the ground balanced modes, I normally don't have any issues with ground balancing in Mode 1, generally anything between 50 and 200 or so will be balanced and silent so I go as low as possible towards 1 to get the best results.  I exclusively run X-coils on my QED now as I've found them better than any other coil I have for it. 

I think that this maybe another tip for you, when you are ground balancing and it goes quiet keep trying to get the number lower as long as it stays quiet, don't stop as soon as it's quiet, I believe the lower you can get that GB number while still staying balanced the more sensitive it will be, this is just from my experience and it may not be correct but I'm pretty sure it is. My gain is always on 10, I've never needed to lower it.

I don't have one of the bundled with QED Detech Ultra Sensing mono's like you've got, I believe they're a really good coil on the QED.  My only Detech coil is the 15x8" Detech bundle wound Mono, I've found the X-coils to be FAR superior to it not only in stability but also sensitivity so I'm not likely to use it.  I wasn't able to get my Nugget Finder 14x9 EVO to run lower than Mode 3 and be very stable for some reason, quite disappointed by that.  I haven't heard many reports of people using that coil on the QED though, just disappointing as every other coil runs in Mode 1 or Mode 11 (No GB) fine so a puzzle why the Nugget Finder doesn't, it's my only NF coil, in saying that I haven't tried it again since the new QED firmware. 

You may want to come down off null to enhance your small target detection, most gold is small, I run as low off null as I can, usually around 44 to 46 with the X-coils with my null sitting low to mid 50's on most coils, even a little bias lower will help.   I'm not concerned at all about big targets, they'll sort themselves out in my soil, I want maximum sensitivity to small targets especially seeing we mostly have very small gold here.

I set my threshold A as high as I can, usually around 60, once noise starts I back it off a bit till quiet.

Again, this may not be much help to you due to our different soil conditions but the lowering of Threshold B is something I really think you should be doing.

Out of interest how did the ORX handle the ground conditions? Seeing you were unable to get your gain above 2 I suspect the ground was pretty heavily mineralised. 

JP did a bit of a review on the QED some time ago, it was on a very early model of the QED but had some good tips in it on how to run the QED and he described the settings quiet well, a worthwhile read.

 

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Thx for the reply I will have a play my QED setting.

ORX found some lead pellets. Had to concentrate hard to keep GB numbers the same all the time. As long as I did this it ran well

I am waiting for the x-coils to finish testing here

Cheers

Read JP review.  I would be interested to know if his QED has the latest update.

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14 minutes ago, Dave63 said:

Thx for the reply I will have a play my QED setting.

ORX found some lead pellets. Had to concentrate hard to keep GB numbers the same all the time. As long as I did this it ran well

Cheers

You're going to have to have a play burying various size bits of chopped up lead sinker or something in the soil to see how your detectors respond and the depths you can get, the 5 cent was a good idea but lead will react more like gold.  It's a great way to learn.

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On 11/16/2019 at 5:47 PM, Dave63 said:

Read JP review.  I would be interested to know if his QED has the latest update.

Does your ground balance go up to 300? If so yes, you have the latest QED firmware.  If not you can send the rear box in (the one with the batteries but without the batteries :laugh:) to get the upgrade, it's free and also adds DD coil support.

Interfacion Pty Ltd is pleased to announce that the QED PI Detector has been modified to allow the use of DD (double D) coils. This change involves a simple change to the electronics within the control box.
The firmware has also been upgraded to include a further improved Ground Balance.
All detectors being delivered to new customers from Monday 5th August 2019 will already have the above upgrades included.
As a show of commitment to all QED owners, the hardware modification to allow use of the DD and CC coils will be provided at no cost.
Of course and as per the QED warranty, the firmware update is provided free of charge, except for P&H.

JP was using an early QED, PL1 I believe?, a long way off the current latest update which is significant for ground balance especially.

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Wow Simon, you continue to spin me out as to how you have mastered the QED. You have a number of detectors, but like myself you have found that once you get the hang of this detector it answers most of the things that you require from a detector.

I had a QED customer come to me today who had problems with ground balance. Once I had explained to him that the new GB system was from zero to three hundred and that the old average was now up to 220 or more and demonstrated this to him, the QED purred like a kitten. He is now happy with the way his machine is operating.

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8 hours ago, Reg Wilson said:

Wow Simon, you continue to spin me out as to how you have mastered the QED. You have a number of detectors, but like myself you have found that once you get the hang of this detector it answers most of the things that you require from a detector.

 

Thanks Reg, I do like to learn my detectors... I spend a lot of time working out how to get the most out of them in my conditions.  A lot of experimenting and I can't always go by what I read on forums as my soil conditions are so different.

I'm a big fan of the new ground balance system, It may seem like I was the least likely person to care about a new ground balance method on a detector as I don't have soils that require it however..... I feel it's allowed me to squeeze even more power out of the QED.  It doesn't matter how mild your ground is, the better a detector can handle the ground the better it becomes.  It should also make the detector easier to use for a new user as it's much more forgiving.

If anyone hasn't had their QED updated yet they should be getting it done ASAP.

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QED on the beach???Did you try Simon?????????????????????

 

 

Thanks

 

RR

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47 minutes ago, Rivers rat said:

QED on the beach???Did you try Simon?????????????????????

 

 

Thanks

 

RR

Regis,i reckon the QED could work well with your new Detech coil,are you thinking of getting one,must admit i really like the reviews that this Pulse is getting !!

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