Minelab GPX-4000 User Manual

68 69Response
Inverting the Pitch
of the Target Signal
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Range
Factory Preset
Normal, Inverted
Patch Normal General Normal Deep Inverted
The Response function allows you to invert the
normal pitch combination of target signals to
different size targets.
If a person is used to hearing a rising and then falling
tone sequence on small targets, and then goes to
deep ground searching big nuggets, the target
signal response can be inverted so that the larger
deep targets are giving the target signal they are
most used to listening for.
Normal
When Normal is selected and a small target is
detected, the pitch normally rises to a higher pitch
and then falls to a lower pitch. When a deep/large
target is detected the pitch normally falls and then
rises.
Inverted
When Inverted is selected and a small target is
detected, the pitch will first fall to a lower pitch and
then rise, and a deep/large target will first rise in
tone and then fall.
Response is a personal preference and is quite
dependant on a person's hearing.

Minelab GPX-4000 Specifications

General

Brand	Minelab
Model	GPX-4000
Category	Metal Detector
Language	English