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Erase Button: This is an optional button that is primarily used
in locations where large metal objects normally interfere with
the desired operation of magnetic locators. Cyclone fences,
metal buildings, vehicles and other large magnetic objects can
be electronically erased with this button.
The operation of this feature is best defined by explaining
the typical locator without this feature. For example, typical
magnetic locators will normally yield a screaming audio tone
when they are being operated in close proximity to a metal
fence. The magnetic field from this fence will usually override
the signal being sought from the buried object in search of.
The only option is to reduce the the sensitivity until the inter-
ference from the fence is minimized. However, the locator’s
sensitivity to the buried object is also minimized and usually
undetectable.
The new Magna-Trak 102 and its “Erase” feature solves
this problem by providing an Erase button; simply press this
button when the interference is annoying and the metal struc-
ture is electronically erased. The audio tone returns to the “no
metal” tone; the search continues and the buried object is lo-
cated.
This erasing action is functional within a reasonable circu-
ERASE
ZONE
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