I have tried the two tone ferrous a little lately......... I was searching at an old home site and kept getting high signals with a "44" for example but the other number would be maybe in the 30's or so. Every time I dug I kept getting square nails. Obviously I didn't find a coin, but still trying to learn this machine. I thought I read somewhere that I should dig all high signals.......??????
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TTF Question.....
- Thread starter Sonora70
- Start date
robertj298
Member
Old nails will usually give a false high signal in one direction. Look for a high tone when you check a signal at a90 degree angle.
A reading of say 30-44 like you said should produce a low tone. I dont remember exactly where the cutoff point for high tone and low tone is but if you are in two tone ferrous that should produce a low tone. Maybe you should try a pattern like the trashy park pattern for a while to help eliminate a lot of the other signals and just concentrate on digging signals that fall into the accepted areas.
Bell-Two
Active member
The cutoff for iron is 17, if you are getting a high tone and you look and see that 30's ferrous number then "slow down" sweep over that area again much slower and in smaller swings isolating the high tone. The concept of the TTF is that by hearing the iron you can also hear a high conductivity target near it. If you discriminate out the iron signal it will often mask a good target near it. Do the slow sweep shortening up swing and circle the spot and see if you can isolate the high tone. Make sure if you do dig an iron target which will happen check your hole again for a high conductive target. Using TTF is something that takes practice but is exceptionally rewarding at times.
Big Boys Hobbies
Well-known member
Dig all REPEATABLE high signals. If the target seems to move around on be erratic its most likely iron. Coins will hit MUCH harder than iron. Just takes experience. Keep at it!