User manual

62 - Garrett Metal Detectors
"Cone" Effect
You may occasionally observe a size and
depth reading like that shown above
which Garrett engineers call the "Cone."
Such a reading with multiple indications of
size and depth indicates that the detect-
ed target is too deep and/or too small
to determine an exact size and depth.
It is likely, however, that the target is
within the size and depth region defined
by the Cone. In other words, the target
shown above is likely to be either: a Size