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About Metal Detection
Learn Feature
Purpose
The Learn feature incorporated into the metal detector completely automates the configuration of the
detector settings for a product. Three Learn process options are available.
Full Learn
The Full Learn process consists of following displayed instructions to pass a number of product
samples through the detector aperture.
The product samples used during any Learn process must be representative of the product to be run
and known to be free from metal contamination.
Normally at least eight product samples will be required. By using more than one sample the detector
can make adjustments if necessary for differences that may occur across the samples used.
A single product sample could be repeatedly passed through the detector but the resulting Learn may
not be as good and require an update when the product line is run
The best results will be obtained by passing the product samples in succession through the detector
in the time period dictated by the on-screen instructions. If possible you should Learn the product on a
running line so that the detector learns a product as it would normally be run.
See the
Full Learn
section for further details.
Update Learn
The Update Learn process consists of following displayed instructions to pass a number of product
samples through the detector aperture. This process can only be used for products that have already
gone through a Full Learn process. See the
Update Learn
section for further details.
Reverse Learn
The Reverse Learn process consists of following displayed instructions to pass a number of product
samples through the detector aperture. The detector in this mode is used to pass products that are
identified as containing a metal contaminant and reject products that do not.
For example, a product may contain a metal toy so the detector is used to pass products which
contain the toy and reject those that don't.
Learn Setup
You are able to make some manual adjustments to the Learn process settings, either before or after
carrying out a Learn process. See the
Learn Setup
and
Learn Limits
sections for further details.
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