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F-75 LTD field info for those interested.

The F70 was developed after the F75 and the software was different. Rather than include the JE mode a new SL mode was included. From the F70 manual:

"SL provides more sensitivity to deep targets. SL is more likely to result in noisy detector operation at high sensitivity levels."

From Mr Bill's description & your tome, is this boost mode the now inclusion of the SL mode in the older platforms? Because the characteristics & behavior sound very similar.:)

HH
BarbecuedBill
 
You mean you intend to be the first to quit treating me like an Obama interview on ABC? Well I never! :rofl: Seriously, are you're asking if SL on the 70 and CL on the 75 LTD are similar in any way? I haven't used the 70 (don't we make a pair) but from what I've gathered from those that have that I've talked to, it apparently is similar acting but with the added punch of the boost process on the LTD. It is definitely the deeper of the two modes, but its handling isn't going to be everyone's first choice, nor is it intended to be. You thinking of buying one?
 
I suspect the EMI rejection on the new LTD will be different compared to the old F75, possible better, possible worse. Although EMI won't affect the digital processing, per se, the different clock speed, coupled with a constant EMI source may output a differnet noise level and result in different real-world performance in a bad EMI setting. We'll just have to see.

I wonder how much EMI testing is done by FT on their units prior to release? I imagine the resistance to EMI is a paramont design parameter in the product development cycle, affecting PCB layout and the mechanical design of the enclosure.
 
OK i will try to focus this forum . Brad would you care to go outside with the LTD, a dime and a tape measure.
I know you don't get coins out of the air but its a start. Thanks Mike

My CZ70 hit 10.75 in indoors My F75 about the same but it was indoors and fair to the F75
If your outside anyway try the 5in DD
 
n/t
 
Brad thanks for posting your results testing the F75 LTD.

I'd love to try one for a week out here before plunking down the $$$$. You and I have very different results with detectors, and I'm sure it's partially due to the mineralization as well as EMI I contend with here, and partially due to your experience. Yesterday I dug my deepest coin yet with my CZ70, an 8"+ wheatie that bounced between high coin, penny and relic, with a zip or two of iron thrown in for good measure. The bone dry cement like soil had iron blood spots, so between that and the depth I can understand why it was bouncing.

It sure would be nice to see Fisher send a unit to be tested in Northern California (perhaps their afraid to :poke: ???) because our soil conditions and such are far different then Ohio and the east coast.

hh,
Brian
 
I'll have to do this later on. Gotta run.
 
Brad - I've enjoyed your posts for a while now, and I have no reason not to believe your impressions and think you're totally ethical and honest.

And I am excited about this detector, but...

The skeptic in me says to never put a lot of faith in field tests or pre-release tests because they are basically sales tools for the manufacturers. Not that there's anything wrong with that, after all the manufacturers are in business to sell detectors.

My gut instinct tells me this is going to be one heck of a detector.

It also tells me if I wait until after the holidays I can probably get the same detector renamed without the godawful camo color scheme. Bad enough I have to scare folks by wearing my pistol probe. :rofl: And maybe the second release will have an extra coil or some other bonus.

The question that begs asking is this, no offense intended: You said in your review you paid for the F75 ltd and even said you paid $69 to have it shipped overnight. The glaring omission is you didn't say what you paid. Reading between the lines, I'm thinking you didn't pay the MAP. Tell me if I'm wrong.
 
They DO come with two coils. 11" DD and a %' DD. Ordered mine, today.

keep on diggin'

jimmyk in Missouri
 
Marcomo, You don't know me, but I can tell you without a doubt, that you or anyone else should trust your gut IMO. It's a result of YOUR experiences so unless you don't trust yourself, go with your gut. I'm only reporting what I saw when I used it. If in your mind you think I'm trying to sell you a bill of goods, uhh, you're wrong. Now that last part about the money spent, what is that all about? You brought it up so be specific.
 
If the LTD really offers increased depth as claimed, this unit may become the best dry beach detector made. That's where a good stuff moves up and down daily with the tide and a few extra inches make a huge difference. Even an increase of a true 1-2" in dirt will open up a myriad of old land sites!
 
Great report, Brad. I ordered mine today. Got a "hunted out" cavalry camp I can't wait to get into.

keep on diggin'

jimmyk in MIssouri
 
Brad - As I said earlier, I believe your report was honest. And I also think it was well written and informative. As you said, I don't know you. But from what I'd remembered reading of your past posts I didn't think nor did I mean to imply that you were trying to sell anybody a "bill of goods".

Before Mike Scott's post I wasn't privy to how the process worked. I had a feeling you got a discount off the MAP but wasn't sure. The implication in the original post was that paying for a detector would be cause to never be swayed or feel obligated to give a positive review. I'd make the argument there are definitely dirt fishers who could be persuaded by getting a detector for a discount off the going price. But I absolutely was not saying that you were doing that. Or that you were a shill or in any way giving anything but your honest impressions of the unit.

In retrospect, I should have worded my post better. Or better yet kept my big :thumbdown: trap shut...
 
Mike Scott - Thank you for a very informative and illuminating explanation of the field testing process at FT!
 
MIke, can you tell us a little about how the new unit performs against the old unit releative to EMI? With a new circuit board you'll have a different "antennae" to pick up the EMI that causes us all the problems. And that's a performance characteristic that users can never really duplicate in a test bed or in the field because we can't absolutely control the sources, as we aren't certain what they really are.

An improvement in EMI shielding will be as significant as as improvement in ID or depth.
 
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