Garrett Metal Detectors Metal Detectors GTAx 550 - Manual (Page 34)

Note: Each time the detector is turned off, the
accept/reject discrimination selections will be
retained in both modes. All selections will be lost
when you return your detector to the factory set
detection calibrations by pressing and holding the
POWER touchpad for 10 seconds or until it beeps.
There are reasons why you would want to accept or
reject specific targets. For example:
You may be looking for only one item, a certain lost
piece of jewelry for example. You can program the
GTAx 550 to reject all other types of metal targets.
You may be hunting in an area where you encounter
large amounts of a specific type of trash. You can
reject just this type of trash and continue to hunt with
no other discrimination detecting all other metal.
You may have your own special ideas for designing
a detection mode. The GTAx 550 gives you unlimited
opportunities to try out any and all of your ideas.
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