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First day out with F75

alton

New member
The F75 came today.

Initial Pros and Cons:

Pros:
1. This unit is wonderfully light and well balanced.
2. It is fast processor wise and also using it sweep speed wise.
3. At first the menu seems confusing, but just a few minutes of using it and it is a piece of cake. Easy to navigate in very few steps.
4. It is very easy to ground balance.

Cons:
1. It does not ship with a coil cover. I've seen it posted on here that it will come with weather covers, but mine didn't. However, the way I understand it they will send it to the first few buyers and will ship with the units after that.
2. It does chatter some.

I got my unit and had to go use it a few minutes. I took it .5 miles from my home and played with it about 20 minutes and decided that I would benefit if I went back home and read the manual. If you are going to get a F75, I recommend you download and read the manual ahead of time.

I came back home and read the manual and went back out for about 90 minutes of hunting at a school and a local park. It is an old area, but a new park. I didn't stay but a few minutes at the school as the ground keeper was working on the grounds. I found one clad dime and left and went to the park. I've never found anything old at the park, but felt like it would be a good quick test for finding coins. It didn't disappoint.

I found $2.21 in clad and an corroded gold plated ear ring. 5 Quarters,7 dimes, 4 nickels, and 7 pennies. All clad and no big deal, but what I was impressed with is the 4 nickels and 1 pull tab and one bottle cap. I hardly ever find nickels with my other units as they sound like pull-tabs. With this unit (using tones 4H) the nickels sound like regular coins. 4 nickels is more than I have ever found in one day.

I was also impressed that for the 1st time using this machine I found only the 2 trash targets, 3 if you count the ear ring. The reason I dug the earring is because it gave a good repeatable nickel reading (31).

There were places that it was very chatterly. I found out you have to be careful thinking that though.

I think part of the reason was because I was near the walkway and they have lamp poles about ever 90 feet and there was no overhead wires. So I feel like the electric was underground.

I found out the other reason is that there were actually good targets causing this. In other words it wasn't really chatter, but this unit is so fast that it gets them and lets them go so fast that you think they are chirps. I'm talking about surface clad here.

I found out when I heard that you have to raise the coil and what was 3 chirps now becomes one solid perfect signal. After a few pennies, I stopped digging them and went for the 5 cent and above. The point I'm trying to make is when you are in heavy surface clad, investigate the chirps. It is not necessarily noise.

I was also impressed how well the ID #s separate a penny from a dime. You can be certain that a solid hit on 60 is a penny and 70 is a dime. 30-31 will be a nickel (or and earring).

I'm going to try to find a place tomorrow that has the possibility of having deep silver and see if I can make an assessment about the depth.

I think a lot of people are going to like this detector. Having said that, it is not exactly turn on and go, but most will not have any difficulty using it and finding good things with it. Time will tell.

HH Alton

2.
 
you mentioned pennies coming in @ 60 and dimes @ 70. Were the pennies zincs or coppers? I assume zincs?
 
Hopefully today I'll find a place that gives up some wheats and Indians and I'll see what those read. I forgot what quarters read, but it was in the 80's.
 
on probable number readings on coins....
keep in mind these were probably attained with airtests @ the factory. Minerals in soil, nearby trash, etc. can affect these numbers...(that's why it say's "typically").

OBJECT TARGET I.D.
foil from gum wrapper 16-25
U.S. nickel (5
 
With a DD coil I always "X" my target, but you really don't need too. It is pretty much where the highest and strongest sound is under the center of the coil. Compared to say and Explorer XS it is way better. Compared to the SE, it is some better. It is on par with a DFX and CZ3D which are both great pinpointers.

HH Alton
 
many early 'wheatbacks' from 1909 to about the early 1920's will also register similar to the modern zinc cent.

Monte
 
[quote Monte]many early 'wheatbacks' from 1909 to about the early 1920's will also register similar to the modern zinc cent.
Monte[/quote]

Even on the "New and Improved" F75?
TIA
Tagamet
 
It seems to me that I remember this, I passed up some what I thought was zinc and my wife went over the area and dug some Indian heads.:shrug:
 
Over what I have ever used, or over say the typical FOIL/TAB/ZINC/ notches set with factory airtests like say the Coinstrike off hand. The F75 notches are not as broad, and can be done in a block of 5 where you feel the need. It may be risky, but with the wide spread of positive numbers being 15-99 on the F75, you MAY be able to notch say 60-65 & still get those? OR it may be too close to chance it. I did airtest several indian heads, but I'm at work now & my notes are home so I forget the #'s. It's a great point definately worth looking at closer though....
Myself, if I'm in an older park or something, where the chance of Indian heads is great, I just play it safe & won't use the zinc notch. I save the zinc notch for the beaches..
HH,
Bill
 
On most all the detector I have used the new zinc penny, the IH and some of the first Wheaties all read the same. My Minelab Sovereign is where I could see they did this with the Sun Ray meter. What I do is the loud 176-177 I get on the meter chances are is the zinc penny, but those that are weaker are my IH and the older Wheaties. Now if I am in a older area where there is no zinc penny's than I dig all the 176-177 for the IH and older wheaties. This also hold true for the Explorer on the reg IH, but not the fatties.
I just got my F75 a half hour ago and will test it too on a IH and a new zinc penny, but I feel they will read exactly the same.

Rick
 
just not at this park. It is not an old park. It has been graded, created, and landscapted in the last 16 years. Vastly used currently with baseball fields, tennis and basketball courts, picnic areas, playground equipment, walking tracks, etc. You can find clad galore if you stay there for 3 or 4 hours and dig yourself to death on zinc pennies. But for what I was doing, I only dug enough of them to see how the F75 would respond.

Also, I have the tones set to "4H" which is a very nice option the F75 has. I read this I think in Nasa Tom's comments or somewhere that this causes nickels, IHs, $5 gold coins, etc. to read high coin, just like on the CZ3D in enhanced mode. If you read the Feild reports on Fishers website for the 3D you will see a chart with it listing what reads high. I can't really find where I read that to quote for sure. But I would be digging zincs and just about everything above iron at a site old enough to have wheats or silver.

If anyone can find that article on 4H being like the 3D how about posting a link. I'm going to go crazy (again) now trying to remember where I read that.

HH Alton
 
This is a quote from a quote in a previous post about Nasa Tom


Now I don't have to go crazy - AGAIN!
 
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