User manual

72 - Garrett Metal Detectors
at 100% of its speed capacity. Outside
electromagnetic interference and irregu-
lar ground mineralization may sometimes
require that you search at reduced detec-
tion depth.
Don't worry about losing "deep targets!"
You won't ever be losing anything because
you'll always be able to search as deeply
as ground and atmospheric conditions per-
mit. Attempting to operate at gains above
a level that permits a quiet and stable
audio threshold may actually cause you
to miss deep targets that you would have
found had you not "pushed" the detector.
Another point to remember is that when
you are searching with SENSITIVITY set
below the maximum under "less-than-
perfect" conditions, you will always have
additional detection power when you are
able to use it.
Test Plot Construction
As you search and use your GTI 2500, you
will quickly grow more proficient in its use.
Building and using your own test plot will
sharply increase this proficiency. Bury sev-
eral items, including a nail, a piece of foil,