5 posts in this topic
I had been running my threshold setting at 7 to get the slight hum in my phones and it finally dawned on me this is not an optimum setting for picking up deeper fainter signals since a setting closer to 0 should be best. Having always ran the detector volume control in the upper ranges and using the headphones to control the audio level, I decided to switch it around by setting the headphones to max and using the detectors volume control to set the overall audio level. This made a huge difference, now I can get that same slight hum with a threshold setting of 2. Subjectively there seems to be much less modulation on the deeper targets where now coins in the 10"+ range are much louder hits. I'm also running the detector volume control at 4 to 5 to get the same audio volume I was getting before with it set in the mid 20's.
OK so I decided to do some air tests to see what difference there is in audio modulation and on coin size targets there is a difference in audio the last few inches.
First number is a full audio report distance (or as close as my ears perceive it), second number is the distance target lost. The difference between is the amount of audio modulation where the target volume decreases to the point the signal is lost.
The first column is with the headphone volume at max and threshold audible at 1 setting (0 is silent), second column is detector volume at max with threshold at 7 (6 silent)
Headphones max......................-... Detector max dime............. .............9" /10" ...- ..7" / 10" Buff nickel......9-1/2" / 10-1/2" ...-.. 8" / 10-1/2" IH penney..........10" / 10-1/2"....-....9" / 10-1/2" As we see there is no difference in detection distance between the 2 settings but a more modulated audio response with the detector volume at max.
I also tried the dime with the detector volume at max with a 0 threshold setting and the results were a full volume report to 6" with a max detectable distance of 9", for a 1" loss. Because of this it is apparent that ML has designed the threshold level to follow the volume setting (7 equals 1) which would allow max sensitivity when the detector is used without headphones in cases where a high volume setting is needed to overcome ambient noise. The loss of response on the dime indicating a negative threshold setting because at this volume setting 6 is actually zero.
Since these were coin sized targets and not tiny nuggets the difference could be even bigger when nugget hunting.
By Steve Herschbach
Garrett News Release - Lightning-Fast Garrett Z-LinkTM Wireless Technology
As announced earlier this year, Garrett will soon be rolling out wireless technology. The first introduction, to be formally announced later this fall, will be a Wireless Transmitter/Receiver Kit that will work with virtually any brand of metal detector and/or headphone combination.
These wireless modules will employ unique Garrett Z-Link Wireless Technology providing a near-zero delay time between the detector and headphones. The Garrett units will operate six times faster than Bluetooth (the speed claimed by some current wireless transmitter kits). This means you are hearing the target signal while the searchcoil is directly over the target, helping you to pinpoint and recovery your targets more accurately,
The new Wireless Transmitter/Receiver Kits can be ordered with either a 1/4-inch headphone jack cable (PN: 1627100) or a Garrett 2-pin AT connector cable (PN: 1627110, for use on AT Pro, AT Gold, or ATX units). The transmitter and receiver modules can be recharged with the supplied USB cables by attaching them to your laptop, your vehicle's USB port, or to a phone charger's USB power block. When fully charged, the units will provide up to 30 hours of operation-significantly longer field time than offered by other wireless models.
More product information, including pricing will be announced later. Seen below is one of the Wireless Transmitter/Receiver Kits.
Following the release of the new Garrett Wireless Transmitter/Receiver Kit, the Garrett Z-Link Wireless Technology will be implemented into future metal detectors and headphones.
One of the products sure to create attention will be a new All-Terrain (AT) product that is slated for a spring 2017 release. Just like the current AT Pro, AT Gold, ATX, and Pro-Pointer AT, this new machine will maintain its waterproof integrity while adding exciting new features, including built-in Garrett Z-Link Wireless Technology for headphones. More specific details on this detector and other wireless accessories will be made available in early 2017.
Just back from Colorado and have enough experience with the deteknix W3 Lite model to relate my impressions. Keep in mind I'm just a buyer/user with limited (compared to many of you) experience. Since getting home I noticed they've added two new models to their line:
They now offer large, what appear to be over-ear headphones (designated 'Pro' in their listing) to the on-ear (now designated 'Lite') models that have been available for several months. Just to summarize, the six models are W6 Pro (6 mm plug with large headphones) WA Pro (Garrett waterproof connector w/large hp's), W3 Lite (3 mm plug, small hp's) W6 lite (same as previous except 6 mm plug) WA lite (same as previous except Garrett connector) and WR lite (3 mm male for transmitter connection, 6 mm female for receiver to headphone connection).
I have the W3 Lite model for which I paid a bit under $90.
My model actually came with a 1/4 in (6 mm) male to 1/8 in (3 mm) female adapter/connector. I'm going to break this review into two parts since that seems to be appropriate given the two approaches -- you supply the headphones vs. they supply.
1) General usage: Obviously these are wireless headphones and as such represent that technology/ergonomics to the user. This is why I got them (hate dragging my detector around when it is tethered to my head!). They certainly accomplish that goal. I've been as far away as 10 meters (> 30 ft) from my detector without loss of signal. The transmitter (about the size of two matchboxes oriented end-to-end) is connected to your detector by (default) a custom rubber band which is actually an O-ring. This is OK, but "in the wilds" where you're bumping into rocks, trees, etc. it can come loose. I recommend velcro attachment -- an 'aftermarket' mod which looks pretty easy based on a YouTube video I've seen. (Quite a few YouTube video reviews of these, BTW.) I'll be making this mod with mine soon.
As far as lost connections, my experience over an integrated 15+ hours of use is that it isn't a problem. I noticed what appeared to be a skip in T/R maybe four times, all within about 2 hours, and each lasting less than 1 sec. It is possible my plugs (I was using a 1/4 male to 1/8 male adapter which came with my unit so total of 2 connections) weren't completely inserted during that session. Even if this were to be systematic issue (which I doubt), I can't see how it could be an issue given its infrequency. BTW, I mostly use mine in all metal mode with a constant audio sound above threshold. But when I did run my detector in silent discriminate mode they never shut down (power saving?) as I've read that some other brands of headphones have done.
Battery life: The longest time I used these without recharging was ~6 1/2 hours and they didn't run out of juice, so I don't know the limit. Each component has an LED which shines when the unit is on. If I'm taking a long break (e.g. lunch) I turn both off to save the batteries. It took about two hours to recharge after that session from my laptop computer -- that was the headphone/receiver recharge time. The transmitter recharged in less than 1/2 hour. Regarding recharging, the unit comes with two DIFFERENT cables. Both have the 'standard' USB (12 mm X 4.5 mm) connectors at one end for plugging into your computer or automobile console (for newer model vehicles) but different micro-USB connectors for the transmitter and headphone (receiver within) connections. The purchased package does not include an AC wall socket to microUSB assembly like you typically get with cellphones, but I'm sure you can find/buy these. The two microUSB standards here are common as I have cellphones (current and past) which use these connectors.
2) Choice of headphones: As mentioned, I have the 'Lite' on-ear version which I'll review below. However, if you have a set of headphones (or more :) which you really like then I would suggest the WR model where you can put the receiver on your person and have the chord attaching there. You are still detached from your detector. And I have no idea how the new 'Pro' headphone models from deteknix perform. (From their website it looks like the retail cost net difference between Lite and Pro is $60.) Hopefully there will soon be or already are reviews online somewhere of these.
3) 'Lite' on-ear headphone performance: Basically these look like not-so-expensive music audio headphones you might see teenagers (or old farts, for that matter) wearing walking down the street. They even have what appear to be pause/play and fast-forward/rewind buttons on them which, AFAIK, have no use when used with a metal detector. The on/off and volume controls on the headphones do work with MD's. These are almost completely plastic (there is a steel band running through the overhead structure) which probably makes them susceptible to breakage for hard-core detectorists, especially in hot desert environments. They are small enough to fit under my full rim flyfishing hat. However, I tried putting them over a baseball cap and then I wished the extension arms would have gone out a bit more. (I don't think I have an unusually large head, well, not literally but maybe figuratively... :). Regarding sound quality, I found them quite usable/agreeable. I never got into extremely noisy environments (e.g. heavy auto traffic or raging/rushing water) but they did fine in the wind. Again I expect these perform similar to typical on-ear headpones. As far as comfort goes, I didn't notice them over the four hours of my longest non-stop session, so for me, no problems there.
Overall I'm pleased with my purchase. I realize there are other options, but AFAI can tell those are more expensive (in some cases much more expensive), and for my demands/requirements these fit-the-bill at an affordable price.
Hi guys, Mrs JW & I had spent most of Thursday doing some landscaping out the front of our place. We went down to the Shotover River & got some big slabs of schist for some path way stepping stones & did some tussock grass plantings. We had finished by about 3pm. Mrs JW said, "Do you want to go to ........ & do some detecting?" I hadnt been there for about 18 months due to not being able to get any more gold out of there so I sort of umed & arred....not sounding too keen on it. I was a bit knacked from wrestling with the slabs of schist & digging them in to place. "You havnt tried the Zed there have you?" No I havnt I said.....still not too keen. "I just want to get out of here & it is a nice place to be." she said. I couldnt argue with that so off we went.
The last time I had been here so had someone else before me & had left big un filled holes. I was really pist off with that & the holes were still there. I pointed them out to Mrs JW. Oh...they are big she said. Not holding my breath I rigged up & got in to it. This area has had all the overburden ground sluiced off from the oldtimers right down to schist bed rock. I had done well here back with the 3000, 4500, GMT & GB2 until I was getting no more. Not 1 minute in to it & I backed up on what I thought was a very very faint signal on top of the schist bed rock. Well I'll be buggered. It was repetitive with each sweep. All be it ever so faint. Probably a lead pellet. Bit of a scrape of the top & it improved but was still in the schist. Down now in to the schist & getting deeper & better. Down in to a small deeper crevice in the schist.
How small is that. You can just see it on the coil in the above pic.
What gobsmacked me was the depth for such a small piece.
A few minutes later. Another very very faint signal.
Exactly the same scenario. Down in to a deeper schist crevice
Then another faint signal & down in to the schist wash. Wasnt in a crevice or schist bed rock but down a wee bit.
Still bloody small.
Then it dawned on me that I hadnt got one crap target. Just gold gold gold. One after the other. Shows how heavily this ground has been detected. No crap signals left.
I then wondered over to one of the unfilled dig holes & waved the coil in to it & around the outside. What was that?? A signal. I backed up & on the top outside edge of the hole was a definite signal.
I scraped away at it & it was still there
Gold it was. Another very small bit. You may just make it out beside the G on the coil.
If not....here you go...
I walked back towards where Mrs JW was sitting waving the coil as I went ready to pack up & head off when I saw another shallow scrape from some one else in to the up on edge schist bed rock. Ha....they must have got a wee thin bit stuck in the on edge folds of schist. And as I do..... I waved the coil over there scrape. Well I'll be darned....a faint signal. Must me another thin piece jambed in there some where. They cant have re scanned there dig after recovering their target before moving on. BIG mistake. Well to cut a long dig short. It wasnt a shallow bit & I ended up having to smash in to the solid schist rock. No way I thought. Felt the pain for my pick....not to mention me trying to dig the bugger. Mrs JW was pissing herself with all the grunting & groaning coming from me. You may have to come back for it, she said. No way I said. This is going to be gold & I aint leaving it here.
It still wasnt out at this stage. Look at all that smashed out schist. Oh...my poor pick Oh well....back in to it
Look at the depth in to that soild schist & Mrs JW having a good laugh....at my exspense
Finally it was out
Ended up with 6 bits for .88 of a gram
Now I realised that on my very first day with the Zed that there was something very special about this detector. For me it was the depth it was getting small gold at. I realized that any bigger gold would take care of its self. I cant fathom why there was so much bagging of this detector from so many when it first came out. I can only put it down to people being so stuck in their detecting habbit ways with the PI's. The Zed is a different beast & needs to be used as such. I guess I am lucky that & a bit of water has flowed under the bridge since its release & learning curves been learned & I have benefited from that. One thing that really stands out for me is from what JP said. Be conservative with your settings. When I first used it I had the threshold up a bit & the sensitivity to the point where it was running a little bit ratty. Just like I did with the 3000 & 4500. Getting that top end max out of it. The thing with the Zed is the faintest of signals still lift with the thing toned down a bit & so getting rid of that Zed warble, especially with JP's B&Z Booster system. The swing arm helps immensely too. I wouldnt be with out it to get that total coil swing control. Even & parallel to the ground.
Mrs JW & I did go out yesterday for a detect with a bit of success. We are in for a few crap weather days so this will be my last report for 2016. Will do yesterdays outing in the new Year. Cheers guys.
All the best to you all for 2017
Happy New Year