northwest QED User Experience\Review
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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.
Any QED owner who plans to attend the Laanecoorie Bash is encouraged to bring their detector along and have it upgraded at no cost.
Standard postage and handling arrangements apply to other owners. Send via Australia Post the box (minus batteries) along with a pre-paid, pre-addressed bag/box to:
Interfacion Pty Ltd
PO Box 106R
Redan VIC 3350
Howard Rockey
Director Interfacion Pty Ltd.

australian electronic gold prospecting forum.com  |  QED users  |  QED users (Moderator: bugwhiskers)  |  Topic: QED User Experience\Review 0 Members and 1 Guest are viewing this topic. « previous next »
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GARY
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« Reply #40 on: Thursday December 12 2019 17:25:13 AEDT PM »

  

I also got the latest Firmware update that lows the required number for GB and negates the need to GB after a Mode change.

As spoken about by other QED Users with the previous Firmware 220 or above was required to GB. So the new Firmware put GB lower.


Thanks for the update.

Now I am confused so are you saying when you change to a different MODE setting there is no need to Re-GB?

Also I assume the GB numbers have been returned back to a previous maximum at 200 instead of 300?

Gary.
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Goldman
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« Reply #41 on: Thursday December 12 2019 18:00:35 AEDT PM »

Hi everyone,

An increment change to the software has occurred very recently that is not sufficient in itself to announce as a new upgrade and not sufficient to ‘redo’ those already upgraded.

Howard and I noticed that on a number of occasions (especially on my training sessions) during winter when the ground was fairly wet that the GB number was getting up as high as 292.

So all Howard has done is to bring the ‘hot ground’ GB point down closer to 150 as rarely is the QEDs GB down in the (very) low numbers. This then leaves more headroom above 150 for unusually hot ground, and still leaves more than enough below 150 for mild to milder ground.

Along the way Howard configured each mode to be at the same relative (electronic) GB position, negating the need to GB with a mode change. This was able to be accomplished electronically in software as there is a very linear GB progression from mode 1 to mode 10, which was made possible as a result of the new GB released as part of the Aug 19 update.

The GB range is still 1 - 300, with 10 modes and mode 11 for beach.

These changes have been implemented in QEDs sold recently and if returned for the ‘Aug 19 update’ and of course will be part of the next update which is not yet on the horizon.

These incremental changes show just how proactive Howard is with little things that make the life of the QED community just a little easier.

Cheers Goldman

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Dave63
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« Reply #42 on: Saturday December 21 2019 01:00:30 AEDT AM »

Hello All

Well I went out to Dukari GPA for a day trip 2 1/2 hrs there and back. Long day. This is my first time in the goldfields since getting my QED back. 6 Hours Total. Wanted to play with the setting to get a feel for different combos. Found two pieces of lead 10g and 6g they didn't really jump out at me considering they where in the top layer of soil 1st scrap.
I am unsure of my settings as I am yet to find a target that is more than a cm underground. All lead and other metals (In the top layer of dirt)  because of this it is making it hard for me to know if I am getting any depth. Hence me playing around with the settings all the time

I have the amended Firmware update so my GB numbers may appear low compared to AUG 19 update
So today GB was anywhere from 95 - 126. It was hard to tell if I was truly GB as there was very little change in tone across the range

I used different combos of setup to see how it effected the QED.

Factory reset

Sadie Mode 1 worked on all combos
11" Detech Ultra stuck to Mode 3-4
Gain. I tried to maintain Mode 6 throughout, but in doing do I had to have a strong threshold noise
THS-B Null found after Gain set to 6 was from low of 40 to High of 70 Null = 55
THS-B Null found before Gain moved from default low of 44 to high of 62 Null = 53

So avg Null was 54 regardless of Gain

THS-A was the apple that upset the apple cart in every combo I used.

If I set THS-A after Gain and left it at default the QED was basically silent. Right up to Gain of 10.  Raising THS-A to 40 the hum started 65 hum was to loud
If I set THS-A before gain 65 was still silent. Raise gain to 4 hum kicked in, Gain 6 again to loud

In the end I used the QED in what I will call noisy and silent setup
Detech Coil

Noisy:
Mode 3
THS-B Between 49-52 Enhance small targets
Gain 6
THS-A Between 45-55 depending on how loud the hum
GB 109

When I say noisy the tone is not a constant even hum, it is wavy with random beeps through out

Silent:
Mode 3
THS-B 49-52
Gain 6
THS-A default
GB 109

When I say Silent I was getting a lot of random beeps, but these are quite distinct from a target signal

When using the QED I like the fact that I can make it silent, to achieve this either Gain is low or THS-A is low. I am unsure as to the effect on depth.
I need a good test patch. I need to find somewhere near my home and copy the coiltek patch in target size and depth

Thanks for putting up with my reviews. Writing these is helping me gather my thoughts

In this vid when gain lifted to 3 is what I am experiencing in the way of interference. So now after what I experienced today this video make a hole lot more sense

  
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bugwhiskers
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« Reply #43 on: Saturday December 21 2019 16:26:21 AEDT PM »

The moment you fit a certain sized coil (small, medium, large) you are creating a bias for a certain range of targets. The higher THS-A, the narrower the NULL adjustment range of THS-B. It's probably best to use either but not both together.

To rule out detector hardware problems, perform the following.
Perform a factory default reset.
Adjust THS-B to null.
Sit the detector on the ground and listen for noise.
Any noise heard will be EMI.
Hit the detector box. If it sounds off it could be

1: Coil plug not tight
2: Fuse not tight
3: Batteries not tight

Tap the coil and wiggle the cable, if it sounds off, faulty coil/cable.
Please let us know how it goes after these procedures.


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Dave63
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« Reply #44 on: Sunday December 22 2019 09:35:12 AEDT AM »

 Question for Goldman or Howard

QED Pitch adjustment is this Threshold or target adjustment.

Why I ask. I have hearing loss and Tinnitus. Threshold pitch adjustment will give me better Threshold target id
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Goldman
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« Reply #45 on: Sunday December 22 2019 15:31:41 AEDT PM »

  
Question for Goldman or Howard

QED Pitch adjustment is this Threshold or target adjustment.

Why I ask. I have hearing loss and Tinnitus. Threshold pitch adjustment will give me better Threshold target id

I have sent you a msg
Cheers Goldman
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Dave63
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« Reply #46 on: Sunday December 22 2019 17:57:21 AEDT PM »

Hello
I have not received msg

Cheers
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Goldman
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« Reply #47 on: Sunday December 22 2019 19:44:50 AEDT PM »

  
  
Question for Goldman or Howard

QED Pitch adjustment is this Threshold or target adjustment.

Why I ask. I have hearing loss and Tinnitus. Threshold pitch adjustment will give me better Threshold target id

I have sent you a msg
Cheers Goldman

Pitch does not change the ths-a or ths -b trigger points. It only changes the pitch for the audible target response. Range 1-50, with default=25, lower pitch suits older people with loss of high pitch hearing loss

Cheers Goldman
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Dave63
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« Reply #48 on: Tuesday December 31 2019 00:36:15 AEDT AM »

Setting today
Detech 11" Ultra

Factory Default - Hum started straight away

Best results for rest of settings

THS-B 54 ( Null is 55. Tested as Suggested turned THS-A up to 80 and Changed THS-B until most quiet point = 55) Normal up to highest 65 lowest 47 so Null 55 both ways
GB around 100 most of day at some point could not GB unless Gain on 1
THS-A 40 to 65 Depending on noise I could put up with
Gain 3 most stable up to 6 to much EMI noise
Mode 3 Lowering  Mode made noise worst Raising no change from Mode 3

If Gain was on 6 THS-A 40. If THS-A on 65 Gain 2 max

Still a lot of intermittent EMI with coil on the ground and moving.
Did open air test with a piece of .8g gold I have. Best distance I could get about 2 inch. On top of the ground ranged from two inch to having to have coil rest on plastic vile to register.
At max depth of test Difficult to tell difference between EMI and signal. I could only tell because I could see test target.
From what I can see on all the Youtube Vids everyone elses QED seems to be reacting differently to mine

If I was digging down to reveal rubbish targets I wouldnt be concerned as Its only a matter of time to hit yellow, but everything I am finding is sitting on the surface
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Reg Wilson
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« Reply #49 on: Tuesday December 31 2019 00:54:59 AEDT AM »

There has got to be something seriously up the S??? with something you are doing or with your detector. I know Brian can sort this out or I could. For fucks sake get some help. This is just bizarre.
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dasenator777
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« Reply #50 on: Tuesday December 31 2019 01:15:12 AEDT AM »

as you just got back from bugs i cant see it being machine. try these settings...... ths a - 75, ths b -null point, mode 6 with 11" coil, gain on 3 or 4 which ever is quietest. when ground balanced properly should be no spurous noises lifting coil up and down just a nice steady humm. these are all ways my start settings now, it used to be mode 8 before the new update. if this dont work your machine is rat S??? dave. good luck.
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dasenator777
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« Reply #51 on: Tuesday December 31 2019 01:21:30 AEDT AM »

all so dave have you tried another coil, wouldnt be the first time the lead or coil itself has problems, even being brand new
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Doug
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« Reply #52 on: Tuesday December 31 2019 10:07:25 AEDT AM »

 I think the detector and coil should be replaced  under warranty and then lets start again.
doug smile
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dasenator777
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« Reply #53 on: Tuesday December 31 2019 11:01:02 AEDT AM »

great idea doug, have a great new year too.
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Dave63
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« Reply #54 on: Tuesday December 31 2019 11:30:27 AEDT AM »

Yeah F#%& Sake is the correct wording I was thinking of to
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Dave63
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« Reply #55 on: Tuesday December 31 2019 14:13:17 AEDT PM »

OK Here it is 5c 20c 50c test.

Settings best results dasenator777 settings from AEGPF , so much noise if target where in ground I probably would not have ID them as targets. As I could see target I could distinguish target noise

Sadie

MGB 100

B - Null

A - 75

Gain 3

Mode 1

SMF 12,  My default SMF is 109 I may as well been at a rock concert detecting

5c - 22 cm  Clear Signal i would dig 16cm

20c - 19 cm Clear Signal i would dig 12cm

50c  - 22.5cm Clear Signal i would dig 17cm

Northeast Setup

Sadie Coil

MGB 10 0

B -54 (Null is 55) as low as I can go without to much noise

A - 35

G - 1 any higher to much noise

Mode 1 Higher modes no different

SMF - 112 My default SMF is 109

5c - 17cm Clear dig signal

20c - 16cm Clear dig signal

50c - 17.5 Clear dig signal

Just done same test on Detch 11"

Same Settings

NO SIGNALS !!

If I hold the 50c on the coil face all noise stops and then if i rub coin on the coil i get a signal. This will be why I only get targets on top of the ground. !

When I tested detector with Goldman on phone I was using Sadie so I reckon there is still a problem elsewhere. Can a Bad coil screw the rest of the Detector if continually used.
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Goldman
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« Reply #56 on: Tuesday December 31 2019 14:23:16 AEDT PM »

Hi dave63,

Just sent a PM

Cheers Goldman
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dasenator777
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« Reply #57 on: Tuesday December 31 2019 16:24:14 AEDT PM »

  
Hi dave63,

Just sent a PM

Cheers Goldman
i said mode 6 not mode 1, i can hardly ever use mode 1 maybe mode 3 with 8" coil dave. yes will be noisy inside for sure lol. looks like a coil problem nice easy fix. looking at your review, looks like my settings are a cut above factory default settings though. glad all sorted now mate
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Dave63
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« Reply #58 on: Tuesday December 31 2019 17:09:59 AEDT PM »

Spoke with Goldman.

Sending my Control Box and 11" Coil back for a Warranty replacement of both. Very Happy with QED service.
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dasenator777
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« Reply #59 on: Tuesday December 31 2019 18:35:49 AEDT PM »

top notch service mate
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