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F75 LTD video with TDI comparison (long text)

Daniel Tn

Active member
I started out trying to do this video when I received the LTD on Tuesday but it has rained about every day since it came and that hindered me a little in the timing of the video.

Nevertheless, here is a very crudely made one. I start out in my test garden at home. The 9" button. You all have seen the video link I posted a few days ago that showed the 1st gen F75 on the button. At any rate I just wanted to show what the boost mode could do on the button, via audio and target ID. I was very happy with the results of this. Keep in mind I don't have good dirt to run the machine in like some guys do. I have red iron dirt that'll always read .3 or 1 on the meter, and GBs in the 50s-60s. Just about everything on every machine will read as iron in the ground over a certain depth level (sometimes that means just 3-4 inches).

In the "real world" hunting situation, right off the bad we hit the target you are going to see in the video. I compare the LTD to the TDI in this place...once again minding that this is hot iron dirt (where the PI machines are suppose to rule) and not some easy going dirt where the VLFs usually take the stage. This is just raw power being shown.

Now let me say this though. The extra boost does come at a price and I'm weighing the pros and cons of this now. I am a motion all metal mode guy. In that mode, the F75 was quiet. The LTD is quiet as well, in the DE or JE modes. But when you go into that BP mode, she gets a little more erratic than what I have been use to per swing. I was actually getting signals on hot rocks, where as the DE or JE modes will give the "hollow sounding boing" sound on the hot rocks making them a dead giveaway. The LTD will just beep on them making you think they are a deep target. Yes, the BP modes does go deeper than DE or JE modes and does ID thing better visually...even in the iron dirt....BUT it is a lot more erratic in hunting. It was also harder for me to discern nails with the LTD in the BP mode. I could flip to the DE or JE modes and get a good "double blip" on them like with the original F75.

So what does that mean? Well the BP mode is worth the extra money for sure but I'm not exactly sure if it's gonna be as much of an advantage as I originally thought FOR HOT DIRT. You guys with good dirt are gonna be blown away with it. I noticed up in Culpeper that there were a lot more hot rocks than what we have down here and I imagine the LTD in boost mode is gonna be a bit of a learning curve for that. It will be for me down here, as I've never had much of a problem with them. When you flip the LTD into DE mode, the good ole "boing" is there, or with no signal at all.

Oh and the site we were hunting has two sets of power lines running across it. You get a lot of interference from those....and with the LTD and old F75 as well, it was IMPOSSIBLE to hunt with in disc mode there. No matter how low the sensitivity. No matter what frequency. I'm not sure as to the "why" of it...but flipping into motion all metal mode quietens this down to being huntable. Oh and the TDI and LTD aren't friends either. My wife and I are going to have a time in VA because of this. I tried adjusting the freq on the TDI every which way I could AND shifted frequencies on the LTD, and they still ate one another up when they got close to one another. So you guys that are headed to the DIV...be warned.

Without further talk...here ya go. My videos aren't as clear as Bill's...mine gets all garbled in all the conversions from .mov to other formats and such.

<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/e-4DgJOakQE&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/e-4DgJOakQE&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>

http://www.youtube.com/watch?v=e-4DgJOakQE
 
Very nice Video. Don't worry about the quality. You just keep posting them. You have a wife that is in to it also. That is something special right there.
 
invest a little of that extra power into a coil sweep height that's a bit higher off the ground. When I've done this in Culpeper, I was shocked that very little if any depth was lost (I checked targets with the coil down real low and up about 6" or so) and it REALLY settles the threshold fluxuations down so you don't have to spend any time checking those out. Also, experiment using a slightly higher threshold setting also. This helps steady that threshold tone up too. Of course when you hear a target, THEN you drop the coil down to examine it further. It also helped me a lot to run a fair amount of less gain than what I typically do. All of those measures made all the difference in the world for me. See whatcha think, Bud and see what that tradeoff sweetspot is. Oh, and also, I hunt several fields where the negative hotrocks are thicker'n flies on do-do. They've all stayed the same with just a louder "boing" in the BP mode but I have started to pick up deep positive hotrocks that I flat never heard at all before. After some time and the resulting experience, I can call these without digging. Maybe that's what you're seeing now with the difference in hotrock handling via boost? Really enjoyed the video!
 
using the CL mode in disc with 0 disc and 99 sens and compare that to using BP in All Metal motion. I have not but I don't usually use AM motion. It might work better with as much depth... maybe. I think that CL may well be deeper than BP and just as useful, even in trash, if swung slowly enough.

I am frustrated. . . I haven't been able to get out with mine yet but I think I will tomorrow. Had the grandkids last night and the 15 month old cried out at least every 30 minutes, sometimes every 5 minutes... So tired.... today... and the Falcons are playing the da Bears on Sunday Night Football... GO FALCONS!!!

J
 
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