Automatic Ground Balancing - Minelab Eureka Gold Instruction Manual

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c) Lay the detector down with the coil flat on the ground, near the hole.
d) Pick up a handful of soil from the pile where you located the target and
pass it across the coil. If there is no signal then place the soil in a
second pile away from the first and grab another handful from the same
area of the pile. Continue this process until the target is in your hand.
Look through the soil in your hand until you find the target.
e) If the target is not obvious, dribble the soil slowly from your hand onto
the top of the coil and listen for the target signal.
f) Then use your fingertip to nudge any suspect items on the coil. The
detector will signal when the target is moved.
Once the target has been recovered it is a good idea to run the detector
over the hole again to make sure that there are no other targets to be
found. When you have recovered all targets from the hole, it is advisable
to search the surrounding area carefully as there is a high chance that
more targets will be nearby.
9.4

Automatic Ground Balancing

These simplified diagrams (see Figure 20 overleaf) show how Automatic
Ground Balancing with the Eureka Gold allows you to detect to its
maximum depth at all times.
The top diagram shows normal searching without Automatic Ground
Balancing. Ground mineralisation reduces the effective searching depth
when you move from where you last ground balanced. The shaded area
shows ground which is not properly searched.
The centre diagram shows how a hardworking, experienced professional
with a manual ground balance machine will reduce this effect to a
minimum. The detector is rebalanced more often, and this is very
time-consuming.
The bottom diagram shows how genuine Automatic Ground Balancing
covers all the ground quickly and effectively. This ensures that the
detector with automatic ground balancing will give optimum depth at all
times. For this to occur, the detector must balance quickly enough and still
retain sensitivity.
The Minelab Eureka Gold