Nexus Ultima User Manual page 9

Meter, sweep the coil slowly across the target and observe the meter
needle response. The meter needle will kick to the right for non-ferrous
targets when the audio signal is heard. The meter needle will kick to the left
for ferrous targets when the audio signal is heard.
In Discrimination Mode, good non-ferrous targets will give a clear, well-
defined, two-way, repeatable audio signal. Ferrous targets will give a
'clicking' audio response or indistinct and erratic response.
Pinpointing is carried by simply X-ing the coil across the signal. The
position where the signals are strongest indicates where the target is
buried. As with all detectors, when targets are of complex shape or are
located at an angle in the soil, pin-pointing may not be entirely accurate.
In VCO Mode the pitch of the sound will get higher for non-ferrous targets
and lower for ferrous targets. The exact amount of pitch change can be set
by turning the VCO knob.
Turning to the setting 10 will result in highest possible audio pitch for the
non-ferrous targets and the audio difference between the ferrous and non-
ferrous target responses will be most definite.
TIPS
The Nexus Ultima may seem very different in operation to some detectors
presently available. Some practice and experimentation with the settings
will be beneficial to get the best results on different sites.
Work slowly when detecting. Sweeping the coil too fast over the ground will
result in signals being missed. It must always be remembered that no
detector can find what is not there – nor can any detector give a signal
unless the coil is passed directly over that target.Using the Nexus does not
guarantee good finds!
There will always be sites on which any single detector does not work to
peak efficiency. All detectors and sites are different and a particular
combination of frequency and filtering might be best on a specific site.
Site conditions will significantly affect depths and performance. Heavily
furrowed or broken ground or thick stubble is especially difficult. Sites
where the ground conditions vary to a considerable degree may require the
Ground Balance to be adjusted for best results.
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