3
I N T R O D U C T I O N
You will find it much easier to adjust the controls to optimise your search
technique to the type of area you are searching in, thanks to the Multi-
Tone mode with setting of the low tone (IRON LEVEL) and the rocker
threshold.
We chose instantaneous sound signalling, rather than an LCD display
because of the extraordinary ability of the human ear to analyse
compared to an LCD display.
LCD displays cannot respond in real time and do not capture weak signals
that are too brief or too close to other signals
GMAXX II
sound signalling provides
real-time
output of
the most imperceptible signal.
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