numbers, either minus or positive, for
the entire range of targets that X-Terra
can locate.
Each time you locate a target you
will see a numeric value for that target
on the screen. The block assigned to
the conductivity of that value will move
either up or down to, and stop at that
numeric value; it will then flash three
times. If you decide that the target is
undesirable, for example referring
again to the pull-tabs on the beach, you
can “block them out” and not detect
that particular ID value anymore. Sim-
ply press the Accept/Reject button and
the icon assigned to that particular tar-
get’s value will again flash three times
and will remain illuminated. An X will
show that you have successfully
blocked that number.
If you later decide to “turn it off”
because you might like to create a dif-
ferent pattern, employ the following
method. Using either the plus or minus
arrows, scroll to the particular number
you have rejected and press the A/R
button again; the discriminated block
will clear to accept that value again. It
couldn’t be any easier! You can “notch
in or out” as many target values as you
like. If you want to beach hunt for just
pound coins scan a sample of that coin
over the search coil to accept that
numeric value only, and then blacken
every remaining block. However, you
need to be aware - and this is particu-
larly true for pull tabs - you may still
locate similar looking targets that do
not correspond to the conductivity of
the values you may have chosen to
reject. If you want to use more discrim-
ination then go ahead. But if you want
to maximize your finds use as little
“discrimination” as you can get away
with and your patience can stand.
Erasing Patterns
In fairness to the Minelab engineers
this procedure couldn’t be any easier.
To my mind they have taken heed of the
customer using the product in the field
and realised that detecting time can be
scarce. Custom patterns are stored
when the X-Terra is turned off. To erase
patterns is simple. While pressing and
holding the Patterns button turn the X-
Terra back on by pressing the Power
button once. During the start-up
sequence release the Patterns button.
After the start-up sequence the “pat-
terns erased” message will appear as PE
accompanied by a distinct sound.
Beach Testing
When I first received a prototype X-
Terra for field trials I was extremely
happy to test it but was unhappy with
the mid-summer conditions. Weather
had been very bad and a few early
excursions to the beaches revealed pre-
cious little - people were simply not
around to lose anything.
Most fields had crops in them so
that only left pasture and river fore-
shores. Then, all of a sudden, the sun
shone and it got very hot. Using X-Terra
on a dry sandy beach after a week of
sunshine produced £25 in one early
morning visit. This was repeated over a
few days on other beaches and I netted
about £80 in cash plus many other tar-
gets. Using little or no discrimination
and low sensitivity at about 8, I raced
along the beaches picking off the recent
shallow losses. The sheer lightness of
the machine (plus being strapped into
the arm rest with the supplied arm-
strap) provided the best “drivability” of
any detector of this type I have used
before. It simply went to where it was
pointed, quickly and easily without the
coil rising up.
On a low tide I went into the shal-
low water and immersed the coil
waiting for a screech to come; but there
was none. A few other coins were
located easily. If there were any false
signals (they were rare enough) back-
ing off the sensitivity eliminated them.
January 2006 TREASURE HUNTING 49
Fig.1. Fig.2.
Fig.3.
Fig.4.
(14 paginas)
(74 paginas)
(47 paginas)
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