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3 or -3

daddyflea

Well-known member
On a Forum a Member recommended Ferrous limits at 7 upper and 3 lower. I do not seem to have a positive 3 looks to be only a -3. Is this correct or am I missing something?
 
On a Forum a Member recommended Ferrous limits at 7 upper and 3 lower. I do not seem to have a positive 3 looks to be only a -3. Is this correct or am I missing something?
Lower ferrous # are only 0 to 9 there are no negative numbers . The nox does use negative numbers unlike the manticore there are no negative numbers in the settings for the Minelab Manticore’s Ferrous Limits.Unlike older detectors (such as the Minelab Equinox or various Whites machines) that used negative numbers like -1 to -9 to represent iron, Minelab completely redesigned the interface for the Manticore.How the Manticore Handles Iron Instead of Negative Numbers0 to 99 Scale: The Target ID (TDI) numbers on the Manticore are strictly positive, ranging from 0 to 99.The 2D ID Map: Instead of relying on a negative sign to show iron, the Manticore uses a vertical Y-axis on its 2D screen map. Ferrous targets are indicated visually by how far they deviate up or down from the clean, white center line.The Ferrous Settings: When adjusting the upper or lower limits themselves, you modify them using positive integers (0 to 9 for the lower limits, and 0 to 14 or 25 for the upper limits, depending on the software version).If you see a target flash on your screen, you will know it is iron if the visual dot drops into the lower gray shadow area or climbs into the upper gray shadow area, regardless of the positive number showing on the screen. sube
 
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Lower ferrous # are only 0 to 9 there are no negative numbers . The nox does use negative numbers unlike the manticore there are no negative numbers in the settings for the Minelab Manticore’s Ferrous Limits.Unlike older detectors (such as the Minelab Equinox or various Whites machines) that used negative numbers like -1 to -9 to represent iron, Minelab completely redesigned the interface for the Manticore.How the Manticore Handles Iron Instead of Negative Numbers0 to 99 Scale: The Target ID (TDI) numbers on the Manticore are strictly positive, ranging from 0 to 99.The 2D ID Map: Instead of relying on a negative sign to show iron, the Manticore uses a vertical Y-axis on its 2D screen map. Ferrous targets are indicated visually by how far they deviate up or down from the clean, white center line.The Ferrous Settings: When adjusting the upper or lower limits themselves, you modify them using positive integers (0 to 9 for the lower limits, and 0 to 14 or 25 for the upper limits, depending on the software version).If you see a target flash on your screen, you will know it is iron if the visual dot drops into the lower gray shadow area or climbs into the upper gray shadow area, regardless of the positive number showing on the screen. sube

Not true my Manticore shows a Negative Number. I know you are not a Liar and this is why I made the post. Picture below. Also you said 0-9 and mine is on -14 in the picture. Maybe can you explain?

20260525_111543.jpg
 
I see your point . Minelabs own website says
e MANTICORE metal detector does not display negative ferrous numbers in its target identification system. Instead, the Target ID scale for conductivity ranges from 0 to 99. In Single Frequency mode, conductive targets show a Target ID from 0 to 99, while ferrous targets appear with an ID from 1 to 19 and are marked with a red ferrous indication—there are no negative numbers. The ID Map helps distinguish between ferrous and non-ferrous targets using this scale, but negative values are not used in the MANTICORE's display .

The MANTICORE does not show negative numbers for detected targets; Target IDs range from 0 to 99 for conductive targets, and 1 to 19 (with red indication) for ferrous targets . When you see negative numbers within the 'Ferrous Limits' setting, these are simply adjustable values on the detector's configuration screen. Adjusting these negative numbers changes how aggressively you classify certain responses as ferrous, helping you fine-tune your discrimination between iron and non-iron objects. This flexibility lets you customize performance for specific environments or targets, but detected objects themselves will never display a negative number on the Target ID . This is why there is no +3 in the lower bin okay . sube
 
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I see your point . Minelabs own website says
e MANTICORE metal detector does not display negative ferrous numbers in its target identification system. Instead, the Target ID scale for conductivity ranges from 0 to 99. In Single Frequency mode, conductive targets show a Target ID from 0 to 99, while ferrous targets appear with an ID from 1 to 19 and are marked with a red ferrous indication—there are no negative numbers. The ID Map helps distinguish between ferrous and non-ferrous targets using this scale, but negative values are not used in the MANTICORE's display .

The MANTICORE does not show negative numbers for detected targets; Target IDs range from 0 to 99 for conductive targets, and 1 to 19 (with red indication) for ferrous targets . When you see negative numbers within the 'Ferrous Limits' setting, these are simply adjustable values on the detector's configuration screen. Adjusting these negative numbers changes how aggressively you classify certain responses as ferrous, helping you fine-tune your discrimination between iron and non-iron objects. This flexibility lets you customize performance for specific environments or targets, but detected objects themselves will never display a negative number on the Target ID . This is why there is no +3 in the lower bin okay . sube

I will have to take your word for that. Still don't understand why mine shows a negative number. I watched a Video by someone where he described a 17 upper and -17 lower, so I will just ignore the -.
 
I see your point . Minelabs own website says
e MANTICORE metal detector does not display negative ferrous numbers in its target identification system. Instead, the Target ID scale for conductivity ranges from 0 to 99. In Single Frequency mode, conductive targets show a Target ID from 0 to 99, while ferrous targets appear with an ID from 1 to 19 and are marked with a red ferrous indication—there are no negative numbers. The ID Map helps distinguish between ferrous and non-ferrous targets using this scale, but negative values are not used in the MANTICORE's display .

The MANTICORE does not show negative numbers for detected targets; Target IDs range from 0 to 99 for conductive targets, and 1 to 19 (with red indication) for ferrous targets . When you see negative numbers within the 'Ferrous Limits' setting, these are simply adjustable values on the detector's configuration screen. Adjusting these negative numbers changes how aggressively you classify certain responses as ferrous, helping you fine-tune your discrimination between iron and non-iron objects. This flexibility lets you customize performance for specific environments or targets, but detected objects themselves will never display a negative number on the Target ID . This is why there is no +3 in the lower bin okay . sube
Have you tried scrolling up and down with the numbers in that bin to see if they go positive ? I don't have a Manticore anymore so I can't play with it . sube
 
Have you tried scrolling up and down with the numbers in that bin to see if they go positive ? I don't have a Manticore anymore so I can't play with it . sube


Yes I did and it goes from 0 to -25 only.
 
You are in the custom settings. Go to preset. You can edit it easily. Up/down. I posted pictures on the other post. It is important to note that the ferrous limits control the amount of iron filter that the Manticore uses.

Upper ferrous limits deal with nails while lower limits deal with bigger iron and bottle caps. The upper ferrous limit is supposed to mitigate nail falsing. The higher the number, the less falsing but the less unmasking of desirable targets too. 7 or 8 has been my sweet spot for upper ferrous limit. I still catch some falsing in ATHC, but I get great unmasking of targets in the carpet of nails.

Lower ferrous limit mitigates the effect of horseshoes, large iron, and bottle caps. For parks and such, running it at a 3 works the best for me in my dirt. If you are hunting relics in a field with minimal modern trash (crown caps, etc), then you want 0 so you can get those bigger iron items like musket parts and tools and whatnont.

I also want to note that I rarely use the stabilizer in this setting, and even when I do it is only at a 2 or 3. I only use the stabilizer when the carpet of nails is very shallow like a construction site or a house teardown that has been scraped. Higher stabilizer will affect your unmasking, especially if you pair it with a high number upper ferrous limit.

Hope this helps.
 
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