Minelab GPX-4500, Instruction Manual

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Response
Inverting the Pitch
of the Target Signal
Range
Normal, Inverted
The Response function allows you to invert the
normal pitch combination of target signals to
different size targets.
Normally, a large/deep target has a falling-then-
rising tone sequence. If you prefer a rising-then-
falling tone sequence (the same as small/shallow
target responses) for large/deep targets, use the
Response function to invert the pitch.
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 your hearing.
Small Target Deep Target