Garrett Metal Detectors Metal Detector GTI 1500 - Manual (Page 39)

treasure hunters, however, all understand
that they must dig some junk occasionally.
Correct operation of the GTI 1500 should
reduce this wasted effort.
Jewelry
This detection mode, is specifically
designed to aid in hunting for jewelry, with
discrimination in the detector's circuitry
set to eliminate such trash targets as
lower conductivity items and bottle caps.
Relics
This detection mode (shown above) is
specifically designed for relic hunting, with
discrimination in the detector's circuitry
set to eliminate trash targets normally
associated with relic hunting, while includ-
Graphic Target Imaging 1500 - 9