northwest QED YouTube Instructional Videos 1 to 11
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More QED instruction videos added and testing on  buried nuggets.
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australian electronic gold prospecting forum.com  |  Pi metal detector by Bugwhiskers  |  QED Detector ,latest updates  |  Topic: QED YouTube Instructional Videos 1 to 11 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: QED YouTube Instructional Videos 1 to 11  (Read 1686 times)
bugwhiskers
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« on: Friday June 29 2018 16:22:56 AEST PM »

These  videos have now been moved to general chat and discussion forum-Instruction videos for the QED  and the post locked.
  
link-http://australianelectronicgoldprospectingforum.com/general-chat-and-discussion-forum/instruction-videos-for-the-qed/msg45745/?topicseen#msg45745
doug smile
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Cliff
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« Reply #1 on: Friday June 29 2018 17:55:53 AEST PM »

Well done Howard.
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mylab
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« Reply #2 on: Friday June 29 2018 18:54:19 AEST PM »

Should be of assistance.
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Golddiggerdave
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« Reply #3 on: Friday June 29 2018 21:13:46 AEST PM »

Thanks for the new Vids. As a newbie QED user, they explain much.

I have trouble understanding some of the terminology. Its a bit like when I had to install a new video recorder machine. the instructions were written by somebody who understood the "jargon" and already knew how to operate it. There was an assumption that we already knew what they were talking about. but those assumptions meant gaps in the directions.

I downloaded the newest instruction manual from the QED Site. (A bit brief).

THS B and THS A, Can you explain how I would use them?
Where is the Volume control?

Why would I need to alter the Mode and the pitch?

I have seen the early Porter test on another site. It helped a bit but would like to see similar, but with the new settings to be relevant to my Pl2 QED. The numbers are different.

I've been using my QED for about an hour each day and am improving.
Using lead pieces to act as targets on my lawn.

Thanks,  ....Dave


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Golddiggerdave
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« Reply #4 on: Friday June 29 2018 21:19:19 AEST PM »

Also,
What are the SMF and SMR for?

...Dave

The dumbest question is the one I didn't ask.
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bugwhiskers
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« Reply #5 on: Saturday June 30 2018 06:00:27 AEST AM »

  
Also,
What are the SMF and SMR for?

...Dave

The dumbest question is the one I didn't ask.


If you swing the coil vertically as when detecting creek banks/walls then a voltage will be generated in the coil.
It is the interaction of your coil's movement through the Earth's Magnetic Field.
SMF (Static Magnetic Fields) is used to adjust the cancellation. The bigger the coil and the faster the swing speed the bigger the problem.
Eric Foster published a paper in 1968 that defined the problem and provided the solution. Every hand held/swung PI detector would be unusable without it.

  


SMR allows adjustment of the cycle time of the detector to precisely adjust the cancellation of single phase 50Hz mains signals eg from power lines and some other RYTHMIC interference sources.
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bugwhiskers
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« Reply #6 on: Saturday June 30 2018 06:29:38 AEST AM »

Both THS-A & THS-B provide a volume or "threshold" increase. The QED doesn't have a "VOLUME" control as such because many external speakers/powered headphones already provide that. THS-A increases the audible threshold for All targets (both rising and falling pitch) and THS-B can be used to provide selective ("BIASED") enhancement, ie rising or falling pitch targets.

To learn how they work try using a 5 cent piece (rising pitch target) and a $2 coin (falling pitch target) as test targets placed a couple of feet apart. Try various combinations of THS-A and THS-B and note the differences.
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dasenator777
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« Reply #7 on: Saturday June 30 2018 12:39:03 AEST PM »

top vids bugs, great for new owners, well done mate  excited
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dasenator777
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« Reply #8 on: Sunday July 1 2018 15:04:39 AEST PM »

something i did learn from vids is in regards to groung balance manualy, i would do mine in small increments, but on vid he keeps finger on button pumps coil then releases when quiet, this seems to me to be no differant to minelabs little green button they all go on about. learn something new every day, il be doing it this way from now on much much faster.  excited
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GARY
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« Reply #9 on: Monday July 2 2018 18:19:46 AEST PM »

Press and holding the button in as you pump the coil for a Ground Balance will depend on how far out of ground balance the detector is to the ground you are about to detect.

The video displays a difference of 20 before the detector Ground Balanced at 100.

Therefore if there is little difference between the current Ground Balance setting and the ground you are about to detect then pressing the button in small increments would be required.

I too thought I needed to Ground Balance by pressing the button in increments at a time however the video shows how easy it is.

Gary.

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dasenator777
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« Reply #10 on: Monday July 2 2018 19:25:06 AEST PM »

  
Press and holding the button in as you pump the coil for a Ground Balance will depend on how far out of ground balance the detector is to the ground you are about to detect.

The video displays a difference of 20 before the detector Ground Balanced at 100.

Therefore if there is little difference between the current Ground Balance setting and the ground you are about to detect than pressing the button in small increments would be required.

I too thought I needed to Ground Balance by pressing the button in increments at a time however the video shows how easy it is.

Gary.


agb should get you spot on anyway gazz if not be close enough to do above procedure i think, im headin out tomoz so il let ya know  happy face
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Goldman
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« Reply #11 on: Tuesday July 3 2018 13:13:32 AEST PM »

I used the AGB and it works fine, however as the ground changed I also held the appropriate up or down button to ground balance instead of increments, which works really well, of course used incremental change as needed. This too was my light bulb moment from the videos.

On another topic, I have found here in WA that using the ‘raise’ or ‘lower’ by four increments to determine if ground noise works just fine, however if when up or down four and the target response gets louder, then it is ground noise as well. This has occurred many times in the last few days and have found that the target response disappears after digging so believe my above statement to be accurate. Has anyone else noticed this as well?
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bugwhiskers
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« Reply #12 on: Tuesday July 3 2018 16:30:49 AEST PM »

  
I used the AGB and it works fine, however as the ground changed I also held the appropriate up or down button to ground balance instead of increments, which works really well, of course used incremental change as needed. This too was my light bulb moment from the videos.

On another topic, I have found here in WA that using the ‘raise’ or ‘lower’ by four increments to determine if ground noise works just fine, however if when up or down four and the target response gets louder, then it is ground noise as well. This has occurred many times in the last few days and have found that the target response disappears after digging so believe my above statement to be accurate. Has anyone else noticed this as well?


Try going up or down 8 instead of 4.
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bugwhiskers
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« Reply #13 on: Wednesday July 4 2018 15:11:20 AEST PM »

A QED test video on small nuggets using an 11" MONO coil showing the effect of various combination of GAIN. THS-A & THS-B.


  


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dasenator777
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« Reply #14 on: Wednesday July 4 2018 15:45:48 AEST PM »

  
A QED test video on small nuggets using an 11" MONO coil showing the effect of various combination of GAIN. THS-A & THS-B.


  



nice video, lots of info cheers bugs  happy face
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bugwhiskers
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« Reply #15 on: Wednesday July 11 2018 10:24:07 AEST AM »

Another video has been uploaded.
It shows how #2 THS-B (BIAS) can be used to increase the detection distance selectively.

Interestingly, both coins are near identical in size with the $2 coin slightly thicker. They are either side of the Ground Balance "hole".

  
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dasenator777
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« Reply #16 on: Wednesday July 11 2018 14:28:55 AEST PM »

  
Another video has been uploaded.
It shows how #2 THS-B (BIAS) can be used to increase the detection distance selectively.

Interestingly, both coins are near identical in size with the $2 coin slightly thicker. They are either side of the Ground Balance "hole".

  
thats a great video bugs, new owners will welcome these videos for sure, great work  happy face
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Prospector B
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« Reply #17 on: Thursday July 12 2018 10:05:48 AEST AM »

Nice work Bugs!
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dasenator777
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« Reply #18 on: Sunday July 15 2018 00:48:27 AEST AM »

a few qeds up on gumtree at moment, both in vic, one for 1350 and one for 950, im trying to do a deal on the later fingers crossed  excited
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bugwhiskers
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« Reply #19 on: Sunday July 15 2018 06:45:41 AEST AM »

  
a few qeds up on gumtree at moment, both in vic, one for 1350 and one for 950, im trying to do a deal on the later fingers crossed  excited

I did a search and none came up. Do you have the link/s ?
This link came up, it's worth a read.

  


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australian electronic gold prospecting forum.com  |  Pi metal detector by Bugwhiskers  |  QED Detector ,latest updates  |  Topic: QED YouTube Instructional Videos 1 to 11 « previous next »
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