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Concentrations of ground mineralization can create
erratic detector sounds (“ground noise”) and reduce
performance if the mineralization is not compensated
for. Axiom has advanced Ground Balance capabilities
to handle all ground conditions—including ironstone
ground and even saltwater.
Note: It is recommended to Ground Balance the
Axiom in each new environment in order to ensure
maximum stability and depth.
Note: DD coils are inherently less susceptible
to ground mineralization than are mono coils,
and therefore may provide better stability and
performance in severely mineralized grounds.
Ground Balance Procedure
• Find an area clear of metallic objects and raise
the searchcoil about 6 inches (15 cm) above
the ground.
• Press and hold the GND BAL button while
bouncing the searchcoil from 1 to 6 inches
above the ground.
• Continue pumping the coil until the ground
response is completely eliminated or becomes
as small as possible.
• Release the GND BAL button.
Ground Balance Values
The Axiom continually displays the current ground
balance values using two independent numbers.
During the Ground Balance procedure, these
numbers will lock in or stabilize at the best Ground
Balance values. With Ground Track set to OFF, these
numbers will not change until you either Ground
Balance again or engage a Ground Tracking option.
Ground Balance Procedure and Indicators
During a Ground
Balance procedure,
GND BAL will display
on the LCD. Dual
Ground Balance
values are shown by
the upper and lower
2-digit numbers.
Hold for Ground Balance
Ground Balance values
See typical Ground Balance Values in the Table on next page
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