Nexus MPv3 is a detector so different from currently presented detectors that it is difficult to compare them directly. Expensive, heavy, and difficult to use, but perfectly made. Worth every penny for me, but obviously not for everyone.

Why is it worth spending a fortune? First of all, you need to have a lot of experience, a small ego, a lot of humility, and patience. Success requires hard work, only then it tastes the best.

MPv3 is in a completely different league when it comes to performance. No known hardware comes within a meter of the Nexus. Does this mean that it is the best equipment in the world? No. Perfect for old places, but expensive and requiring full understanding.

In addition to the depth of detection, we get beautiful analog audio and a guide signal closely related to the ground calibration, giving a full description of what is happening under the probe. Pure analog power packed into ten…yes ten AA batteries.

Nexus opens old spots and helps close new ones to the end. The whole thing makes a hell of a good tool. Modulated VCO-type audio, depending on the settings, allows you to favor particular conductors. The VCO LED indicator works in a similar way. It’s also adjustable. We have a pair of colors for each guide from green, to orange, blue, and white. It’s a big simplification.

The combination of all these possibilities results in a devilishly effective device, although demanding, but also quite forgiving of mistakes. Perfect second detector for me.

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How to set up the Tarsacci MDT 8000 detector correctly? The device has a clear and simple menu, without any hidden functions, but still requires a lot of time to take advantage of the new technology, which is not used by any other manufacturer.

The first and key choice is the operating frequency of our detector. We choose from 6.4 to 18 kHz. Interestingly, even a low frequency allows us to detect very small objects in size … well, the charm of PI (pulse induction) used in this hybrid. Lower frequency means better performance – depth, but also worse separation of objects in cluttered terrain. It is also better for signaling coin-shaped and volume objects, as opposed to foil or pieces of aluminum.

Another workflow problem. We have three types: all metal, discrimination, and mixed mode. All Metal will be good for virgin spots, where the signal appears from the holidays. We only have one and we have to look at the ID displayed on the screen. DISC is the only right solution for total trash. The signal is short and if it is repetitive you have to dig. The mixed mode gives us additional information about the size and depth of the object. Places clean or moderately littered.

Before we start, we look for a clean place and calibrate to the ground, if we still have a signal from the ground, we increase the value by 50, this should mute the device. Next, we hear the response of the ground. We can try to use the SALT function – salinity level. We pump the probe traditionally above the soil and adjust the value to mute the response. The starting point is 29. Finally, we are left with THRESHOLD – TRH. You have to be careful here. Too high a value and we lose ranges and we will not hear small objects. We always set the limit. If the ID shows low values when sweeping the probe, we need to compensate with this function.

Iron breaking through the scale and falling into color can be handled by using a DISC value of -29 or +26. Finally, there is the sensitivity adjustment. It’s not worth exaggerating. MDT 8000 already at a value of 4 is deeper than most known detectors. We eliminate all instabilities and interferences by reducing the sensitivity or changing the frequency.

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Tag: how to setup tarsacci

The Nexus is a completely different detector

Tarsacci MDT 8000 how to set up?