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I have a test for you guys to try with your E-Trac....

R

Ray-Mo.

Active member
Air test your machine on various coins for max distance/depth in say a maxed out but stable indoors coins mode and say open quick mask with just iron disc-ed out.The main thing I found interesting is the results while testing in each noise cancel channel:yikes:
Depending on the types of interference in your houses you may find some interesting results as well......
 
I had been wanting to try that Ray,while out in the field,but i am gonna try it indoors!

LabradorBob
 
Have heard interesting results from doing this with gold. Most people say it can't be so... but never actually try it. I hope lots of people post results. I will be following.
 
The E-Trac may become noisy due to
electrical interference from power lines,
electrical equipment or other detectors
operating close by. The detector interprets
this interference as inconsistent, short beeps
and erratic movement of the Target Crosshair
in the Smartfind window, or erratic changing
of FE-CO numbers in the Digital display.

Thus,it is my understanding that the e trac will find the frequencies that are disturbed by the interference
and not use those.
128 frequencies are available,but not all are used,this is determined by the noise cancel.
11 channels are used,when you press noise cancell the detector picks the channel that is getting the least interference
from ground sources and power sources close by.

So,the question would be did it pick the best channel?Frequencies?
In my opinion,I would have to say that if it is choosing the channel with the least interference,
Then my target id's are going to be better.
I am not saying it will pick up the coin better,but should still get it.

LabradorBob
 
I ran into that a couple years ago when deciding which coils to keep and which to sell. I was testing similar sized and duplicate coils on a deep coin in my back yard and there was some emi so I decided that to properly test depth I had to determine its maximum stable sensitivity setting so I started by doing a noise cancel and then ran though each channel while testing.. Different coils preferred different channels & different channels produced different results and to further complicate things, the best frequency set for disc mode wasn't necessarily the best for pin point mode. Thats not real important on the SE and Etrac but is on the the XS & XS II with the weaker pin point mode ... Also, One needs to be careful when testing different coils on a test target.. It seems to sometimes takes a few minutes for the unit to ground balance properly after switching coils to get maximum performance. I had buried a 10" quarter to check out some coils, The Pro coil would barely hit it but when I put a X12 it wouldn't touch it.. I detected for a few minutes with the X12 and rechecked the 10" coin and it hit it easily. It easy to come to the wrong conclusion if you are not careful... wildherre
 
depending on the target.A nickel got different results than a dime.I also learned the famous minelab wiggle does not work so well past around 10" on a dime.As a matter of fact a nice full sweep left to right would give a nice signal around 4" further than the short faster back and forth wiggle type sweep.

Keep in mind this was in the air but might be similar with in ground targets.Obviously would not work in high trash but on ultra deep targets in open areas I will be testing further.
All testing described was with stock Pro coil.Forecasting mid to upper 50s Friday so I may get a chance to play a bit with actual in field targets:thumbup:
 
funny how post come about at perfect times. i finally got out to hunt today and was playing with noise cancel on a very deep penny reading. the etrac was saying i had a penny at 11 inches but wasn't hitting steady on every pass of the coil. bumping up the sens didn't help on the signal but did make it chatter more. sens from 27 to 30 didn't help. so i said to myself hey dude lets play with those noise cancel settings cause i never really have. guess what i found a channel that sounded better on that deep signal than what the detector had chosen. oh yea and it was a 45 wheat at 10.5 inches down with some rusted looking dirt in the hole with it.
 
This is some good news to hear. Thanks Ray and Rob!!!

NebTrac
 
rbholt80 said:
funny how post come about at perfect times. i finally got out to hunt today and was playing with noise cancel on a very deep penny reading. the etrac was saying i had a penny at 11 inches but wasn't hitting steady on every pass of the coil. bumping up the sens didn't help on the signal but did make it chatter more. sens from 27 to 30 didn't help. so i said to myself hey dude lets play with those noise cancel settings cause i never really have. guess what i found a channel that sounded better on that deep signal than what the detector had chosen. oh yea and it was a 45 wheat at 10.5 inches down with some rusted looking dirt in the hole with it.
Click to expand...

Was it channel 9?
 
This is a great topic. I have been meaning to ask a question related to it. Does the e-trac have SET freq's for each noise cancel # OR are they Random based on what the E senses? If they are set, does anyone have a list of which 11 freq's are assigned to each noise cancel channel. Are they spread out, ex- freq's 1, 5, 17, 22, 36, 44, 55, 70, 90, 101, 123. or are they clustered? ex- 1, 3, 5, 6, 9, 11, 15, 19, 20, 22, 25, low end, middle, or high end of the freq scale? I have messed around with different NC #'s on different hunts, but didn't come up with any conclusions. When I do a auto N.C. 7 out of ten times it will come up 9. sometimes 6 or 2 and seldom anything else.
I assumed that if there is a manual setting there has to be a reason. I know some of you will up the sens level to a point that others would not be able to tolerate, and get a little more depth by doing so. I was thinking that doing a manual N.C. # and having a different set of freq's would do the same thing.
Does anyone have any info? Thanks, Dan
 
for that spot it was 6. later a shallow dime was not hitting well and 4 ended up making it sound better. now i dont know why but thats what it turned out to be like for that place i was hunting.
 
Haven't seen you post in a while. Been huntin' much?

NebTrac
 
WELCOME HOME DAN!!:clapping::beers: Hope your east coast winter comes to a close soon as well as my northern michigan winter. HH.
 
Hey Guys. I been lurking a little here and there. I usually take a break from detecting durring bow-season and get back at it around ThanksGiving. This year has been tough, do to all the snow :( Looks like we will be shut down til spring. Just before the snow landed I was able to get out and had a personal best 6 silvers in one day and it was a spill spread out over a couple of feet. 4 mercs and two wash quarters. I never did make my goal of 50 coppers for the year, I ended up with 48. ( unless you count my two cent pc's ) then I would have 52. My best ever. no year comes even close. Last year was my first year with an Etrac I wonder if there is any correlation :)
 
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