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The
third try
is
an
automatic
overwrite; the character
now
keyed
is
accepted
by
the
system
as
the correct
character,
and
that character
is
written into
storage.
You
should
now
character
backspace,
and
reverify
the character
just
entered.
(Any
backspace
key
may
be used
at
this
time;
CHAR
BKSP
is
most
appropriate.)
If
a
backspace
is
not
used
as
the next
key
depression following the overwrite,
then the
keyboard
locks
at
the
end of
that
field,
and
the
column
indicator
shows 88
to indicate
forced
reverification
of
the
field
is
necessary.
A
field
backspace
operation
must
be used
now
to return to the
beginning of
that
field;
the
entire
field
must
then be
reverified.
Note:
If
the units position
of
a
field
is
corrected, the
column
indicator
immediately shows 88,
for
forced
reverifi-
cation.
However,
if
the
units position
is
the
only
correction
in
the
field,
or
all
previous corrections
in
the
field
have
already
been
reverified,
then
character
backspace
may
be
used
for
the
units
position
reverification. If
other
correc-
tions in the
field
were
not
reverified,
field
backspace and
reverify
must be
done.
Assume
(for
this
discussion),
no
other
errors are
found.
At
the
completion of
the record,
no
character
is
punched
into
column
8
1
;
no
procedure
so
far
has
changed
the
error
punch
in
the
card,
only
in
the input
storage.
Moreover,
the
next card fed
into the
punch/read
station
is
suppressed; the
column
indicator
shows
CC
to indicate
operator action
(blank card
insertion)
is
required.
The
error card
will
be
transported
through
to
the
stacker,
where
it
may
be
removed
readily
because of
prestacking.
(The
error
card
may
be
destroyed
or
saved,
depending
on
customer
procedures.)
Insert a
new
(blank) card
from
the front
at
the
punch
station,
then
press the
VER CORR
key.
The
error card
is
automatically prestacked
and
may
be
removed, and
the
blank
card
is
automatically
punched
according to the
corrected
data
in storage,
and
marked
with
a
single
2-punch
in
column
81
as
correctly
repunched.
(To
bear the
2-
and
3-punch,
that
card
would
have to follow
the
regular
procedure of
the
rest
of
the deck; that
is,
verify
without
any
error corrections.)
The
next card
is
automatically
fed,
registered,
and
read
(if
REC
ADV/CARD FEED
is
set at
AUTO),
and
verifying continues.
Note:
No
printing
occurs
during
verification
of
cards
without
errors.
Correction-punched
cards are printed
if
the
PRINT
switch
is
ON
during
verification
and
correction
of
the
original
record
in
input
storage.
Therefore,
set
the
PRINT
switch
accordingly.
VER CORR
for Field
Error Correction
The
two-try
method
is
most
efficient for single errors.
Where
multiple
errors are
found, an
alternate
technique
is
recommended. The
VER
CORR
key
may
be
pressed
at
any
time within a
field,
suspending
verification
and
allowing
rewrite until the
end of
that
field,
or
until
a backspace
operation returns the
column
indicator to the
beginning
of
the
field.
During
the
rewrite,
character
backspace
may
be
used
after
VER
CORR,
but
it
does not
reset
the
rewrite.
Field
backspace
or
record
backspace
resets
the
field
rewrite.
The column
indicator
shows
the
column
to
which you
have
returned.
As
with
the
regular
two-try procedure,
if
no
backspacing
follows the pressing
of
VER CORR
and
rewrite
of one
or
more
characters,
then
the
keyboard
locks
at
the
end of
that
field.
The
condition
is
identified
by
the
column
indicator
showing
88
to
indicate
forced
reverification.
A
field
backspace operation
and
reverification
of the
entire
field
is
then
required.
If field
backspace had
been
activated to the
start
of
the
field
before the
end of
the
field
was
reached,
forced
reverification
would
not have occurred.
After
a
record
backspace
action, pressing
VER CORR
allows the rekeying
of the
entire
record,
and
causes a
keyboard
lock
at
the
end of
that
record; the
column
indicator
shows 88
to indicate forced reverification
of
the
entire
record. Press
REC
BKSP.
Reverify the
record.
If less
than
the
complete
record
must
be rekeyed,
a
record-
backspace
suspends
the
rewrite
operation
and
allows
reverification
of
the record.
As
with
the two-try
method,
at
the
completion of
the
record,
no
character
is
punched
into
column
81 of
the error
card.
The column
indicator
shows
CC
to
indicate
blank
card
insertion.
The
faulty
card
is
transported
to
the card
stacker.
Follow
the
last
paragraph of
"Two-try
Error Correction"
for
punching
the
new
card.
Note:
When
the
VER CORR
procedure
is
used,
it is
not
possible
to
change
the
program
level
until
the
verify
correction
has
been
reverified.
Data
Change
during
Verification
There
are
two methods
of procedure
after
a
data
change
during
verification.
Recall that
at
the
time
of
data
change
(in
storage)
the
punched
card
still
retains
the
incorrect
punching.
The
corrected data
may
be punched
into a
blank
card
(see
"Two-try
Error Correction")
in
which
case the
corrected card
carries
a
2-punch
in
column
8
1
.
(Compare
this
with
a verified-correct
card carrying
a
2-punch and
a
3-punch
in
column
81.)
FEED
or
CLEAR
may
be
activated
to
bypass
the
normal
correction procedure;
not
to
punch
a
correction card,
but
to
move
the error card
through
to the
stacker.
A
peripheral
effect
is:
use
of
CLEAR
inhibits
VER
DUP
or
manual dup
for the
next
record;
FEED
does
not.
If
VER CORR
is
pressed before
inserting a
blank
card,
the
error
card
stacks,
but no
correction
punching
or card
feed occurs.
A
blank
card
can be
inserted,
VER CORR
can
be
pressed,
and
correction card
punching
occurs.
If
the
next
Supplementary
Operations
29
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