Garrett Metal Detectors Graphic Target Profiling 1350 - Manual (Page 15)

1 Graphic Target Profiling 1350
™
possible, prior to the point where the detector
becomes unstable.
AUDIO THRESHOLD LEVEL
Press the (+) or (-) touchpad to adjust the audio
THRESHOLD level, indicated on the Lower Scale
of the LCD panel. The audio THRESHOLD refers
to the volume of the background “hum” made by
the detector when no metal is being detected.
FREQUENCY
Press the (+) or (-) touchpad to select between 4
(four) operating FREQUENCY settings, indicated
on the Lower Scale of the LCD panel. The
FREQUENCY setting may need to be changed
when nearby electronic equipment or other metal
detectors cause interference.
VOLUME
Press the (+) or (-) touchpad to adjust the
VOLUME, indicated on the Lower Scale of the
LCD panel. The VOLUME setting adjusts the
sound level made when a target is detected.