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GROUND BALANCING
Understanding ground conditions assists the user in setting up the machine,
knowing when to readjust ground balance, and in understanding the responses
of the machine while searching.
This detector displays two kinds of ground data:
1. The type of mineralization (which affects where the ground phase should
be set). This is GND PHASE
2. The amount of mineralization (the greater the amount of mineralization,
the greater the loss of detection depth & ID accuracy; this loss is more
pronounced in Discrimination Mode). This is Fe
The goal of ground balancing is to equate the GND BAL number to the
PHASe number.
PHASe is the measurement of the ground.
GND BAL is the detector's internal setting which calibrates the detector
to the ground's phase.
Notice that the GND BAL number is three digits, with a decimal point.
PHASe has only two digits.
GND BAL is a higher resolution number, so may differ a bit from PHASe
in a perfectly balanced scenario.
After pumping and releasing Ground Grab
Balancing, the exact measurement of the ground will be transferred to
the GND BAL setting.
The two-digit PHASe number displayed on the screen indicates the type of
ground mineralization.
Some typical ground mineralization types are:
0 – 10 Wet salt and alkali
5 – 25 Metallic iron. very few soils in this range. You are probably over metal.
26–39 very few soils in this range -- occasionally some saltwater beaches
40–75 red, yellow and brown iron-bearing clay minerals
75–95 Magnetite and other black iron minerals
Ground Balancing continued on next page
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Computerized Ground
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