User manual

control option permits you to achieve a
stability that permits maximum detection
depth possible in relation to any condi-
tions.
Press (+) to increase detection depth.
Press (-) to decrease. A single touch and
release adjusts the level in a small incre-
ment. A continuous pressing results in a
continuous adjustment.
Threshold
Pressing the MENU touchpad to display
THRESH on the screen (below, with fac-
tory setting indicated on Upper and Lower
Scales). Use the (+) and (-) touchpads to
adjust the threshold of sound that is being
produced by the GTI 2500 as it scans.
Multiple touches will increase or decrease
the sound level. Changes can be seen on
the Upper and Lower Scales.
40 - Garrett Metal Detectors