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The machine
is
foolproof
Tbis
rneans
that yow
can never carry
out two
simwltaneous
operdtions
by
mistake.
The
machine
is
so
designed
that
it
automatically
opposes
every
manipulation which might jeopardize the
reliability of
the
calculation
or possibly
damage
the
mechanism.
Never
ty
to
force the machine
if it
jams.
Jamming indicates
thet
some
of the
operating parts have
locked-these must
be
restored
to
normal position
before
you
can
resume
calculating.
Most
of the time
you
can unlock
the parts
by
clearing
all
registers
or
setting the
handle
in
its original position.
If
these measures
fail, you should
get
I
"t
in touch with
an
authorized
FACIT
mechanic.
a
d
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