Drop credit-field 1 relay.
Energize
the
multi-punch relay.
Prevent energizing
the
escape magnet.
Energize interposer
11
magnet.
Energize
the
punch
clutch.
5.
Cycle 5
(punch
an
11
above
the
5)
:
Drop credit-field 2 relay.
Drop multi-punch relay.
left-Zero
logic
Controls
Figure 1-12
is
a diagram of the basic left-zero opera-
tions
and
their controls.
The
read-in operations are
shown with connecting solid lines,
and
the
read-out
operations are shown with broken lines.
The
diagram
can
be
used for both troubleshooting
and
a quick
reference
to
general operation.
1'-15