bibelot said:
....but the Multi Kruzer is my least favorite machine of the Nokta/Makro machines.
It might be just my machine but in my opinion, the three tone selection doesn't get the depth the other selections will provide...
3 tone mode on the MMK if set to sensitivity of 89 or lower will not have the depth of the other search modes as you've observed, and there's a good reason for this. Makro (now Nokta) set up the 3-tone mode with a hyper reactivity speed with sens 89 or lower so you can work in heavy iron where depth isn't the goal, but by speeding up the reactivity (at the expense of depth) will provide superb target separation and speed. 3-tone is also much more EMI resistant. Personally I prefer 4-tone, sensitivity in the high 90's with almost zero disc and iron audio set @ 1, it's been a killer combo at my worked out relic sites and I've dug some extremely deep coins that Explorers, F75, and other top notch detectors walked right over, like a 10"+ Spanish 1700's reale, and 10"+ deep seated dimes. Yes you're working in the noise, but that's where iron audio comes in and all the other tools they provided to tweak the audio to reduce audio fatigue.
Although I am down to only four detectors, I really only use two machines now, the Multi Kruzer and the Equinox 800, nothing I cannot hunt between the two of these detectors