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Exterior
characteristics and traffic possibilities of the MuenzFw 57 resembles
outwardly the MuenzFw 56 with the difference that right above the
Muenzspeichers a remaining credit balance announcement is arranged .
There a possible remainder is represented by 10..... 90 Pf.
If a coin with high order is taken, then lights up the number
appropriate, yet used up remainder this coin.
Apart from the traffic possibilities, which the MuenzFw 56 offers,
the still following further traffic possibility of preventing illegal
connections in the MuenzFw 57 becomes a special form of the SpNrS 55 with
the MuenzFw 57, which uses SpNrS 55/57.
This is in such a way modified that with the number ' 0 ' in the
first place or on first and second place no control arm is adjusted to the
step 10 of a contact field, but that the control arm upon the expiration of
the dial runs back into the rest position.
The number of zeros selected in the first places is electrically
stored.
With the next selected number this control arm can be consulted again
for the evaluation.
Thus an evaluation of maximally five numbers becomes possible with
international discussions.
Otherwise the function of the SpNrS is equal to 55/57 that of the
SpNrS 55.
Coin examination it is accomplished the same examinations as with the
MuenzFw 56.
The minimum charge can be stopped between 10 and 50 Pf.
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