(57) The system comprises using types of disc-shaped pieces (A, B, C, ...) that due to
their mechanical or electric characteristics offer an especially favourable performance
in the selector (low measurement dispersion), establishing in relation to such types
of disc-shaped pieces a correction function for each type of coin that is to be accepted
by the selector, as in Mn = fn (A, B, C, ...), subsequently inserting those types of pieces in each of the selectors
to be programmed, in which a programming equipment shall generate, with the information
provided by the very selector and with the assistance of the said correction functions
(fn) the reference levels suited to each name or type of coin, that are stored in the
respective selector memory. The number of types of different tokens to be used will
preferably be two.
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