Table of Contents
Advertisement
If
there are
no
errors
in
the
field
after
verifying
the
units
position character, press the
LZ
CTRL
bar.
Depression of
this
bar
after
units-position verify
in
an
LZ-verify pro-
grammed
field
compares with
the
units-position
program-
ming and
verifies
that the correct
number
of
zeros
and
digits
are
in
the
field.
If
there
are
extra or missing zeros
in
the
field
(or,
conversely,
missing
or
extra
digits
in
the
field),
the
keyboard
locks
and any
following
procedure
is
halted
because the
LZ
CTRL
circuitry
has detected an
error.
Check
the
complete
field,
either visually
in
the card, or
by manual
verification
of
all
positions using a different
program
level, if
necessary, to ensure correction
of
all
errors
in
the
LZ
field.
-LZ
In
a
field
with
a
minus
over the
units position, verify
procedures
are
the
same
as
for
LZ
verifying,
except
that the
-LZ
key
(above
the
alpha
dash)
is
used
after
the
units-position character
has
been
verified.
This procedure
verifies
that
an 11-overpunch
exists,
and performs
the
LZ
CTRL
function.
If
—
LZ
is
not
used, the
keyboard
locks.
Verifying the
units position
by
use of the
MULT
PCH
key
procedure
allows use
of
the
regular
LZ
CTRL
because
the
necessary
units verification
has
been
accomplished.
Left
Blank
In verifying
both
the
-LZ
key and
the
LZ
bar operate
as
an
LZ
control
only
in
the units position
of
a
programmed
LZ
field.
In
any
other
position,
both
the
-LZ
key and
the
LZ
bar operate
as
a
blank-columns
verify
key. Blanks
(spaces)
are verified
until:
a
character
is
reached, the
units
position
of an
LZ
field
is
reached, the
start
of
the
next
field
is
reached,
or
end of
the record
(if
in
program
level
0)
is
reached.
The
next
column
to
be
verified
is
then
shown
in
the
column
indicator.
When
verifying
a
programmed
LZ
field
that
is
all
blanks,
an
additional step
is
necessary
at
the
units
position;
key
the
character
(space)
in
the
units
position,
then
press the
LZ
bar.
(It
is
necessary to
verify
the
units position
manually,
in this special case.)
If
the
LZ
bar
in
any
of
the verify operations described
previously
is
pressed
too
early,
the verify
procedure
may
operate
as
blank-columns
verify,
or
result
in
keyboard
lockup,
with
the
column
indicator
showing
the
units
column of
the
field.
In that
case,
backspace
to
release
the
keyboard.
Automatic
skip or
automatic
dup
in a
pro-
grammed
LZ
field
overrides
LZ, and
performs
the appro-
priate
function.
Manual
skip
or
manual dup
is
active
only
as
the
first
keystroke
in a
programmed
LZ
field,
and
does not
require
the
LZ
bar,
and
stops
at
the following
manual
field
if
there are
no
errors.
Any
backspace
into
a
programmed
LZ
field
requires reverification,
and
use
of
the
LZ
bar.
Any
change
of program
level
within
the
LZ
programmed
field
assumes
the
programming
of
the
resulting
program
level,
with
the appropriate verify
procedure
necessary. Multi-
punching
is
permitted during
the
verify
procedure, using
the
MULT
PCH
key
or
the
appropriate
shift
key,
if
applicable.
Left-zero
Control
(Verify
Mode)
Normal
LZ
programming
uses
a
3-punch
in
both
high-
and
low-order
positions
of
a
field, in
addition to
normal
field
definition.
The
high-order
3-punch
signals "start
of
LZ"
and
the low-order
3-punch
signals
"LZ
control."
If
LZ
control
is
not
used,
errors pertaining to
missing
digits,
or
too
few
or too
many
left
zeros
may
not be
detected.
LZ
control
should
be used
so that
punch and
verify
procedures
are similar (that
is,
key
the
digits
and
press the
LZ
bar)
and
to
ensure
correct verification
of adjacent
LZ
fields,
or
fields
containing
all
zeros.
LZ
control
must
be
used
if
the
field
ends
in
column
80.
If
LZ
control
is
not
used, the
field
should be
verified as
a
manual
field
to
ensure
accuracy.
Blank Columns,
Verifying
The SKIP key
in
punching
is
like
a repeating spacebar;
it
punches
spaces
for a
field,
or the
remainder of
a
partially
filled field.
Similarly,
in verifying,
the
BLANK COLUMNS
key
verifies
spaces
repetitively for
a portion
of
the
field,
or
for
the
remainder of
the
field.
This
is
in
addition to
its
dual
function
as
an
LZCTRL
key
in verifying,
or
LZ
fill
in
punching.
The
BLANK COLUMNS
portion
of
the
BLANK
COLUMNS/LEFT
ZERO CTRL
bar has
no
function
in
punch mode.
In
verify
mode,
the
bar
is
always
a
blank
columns
verify
key
except
in
the
units position
of
a
programmed
LZ
verify
field,
where
it
is
an
LZ
CTRL
bar
only.
Use
the
BLANK COLUMNS
bar
in verify
mode
to verify
leading
blanks (such
as in
a
numeric
field),
or to
verify
remaining blanks (such
as
in
a
name
field
where
the
remainder
was
skipped
in
punching). This
gives
added
accuracy
in verifying
and does
not
require
any
additional
keystrokes.
Two-try
Error Correction
If
a
keyed
character
does not
compare
properly with
the
punched
character
in
storage, the
VERIFY
light
is
turned
on,
and
the
keyboard
locks.
To
free
the
keyboard,
press the
VERRES
key. This
restores the
keyboard, and
turns off
the
VERIFY
light.
You now
have
a
second
try
at
the
problem
character.
(It
is
unnecessary
to
backspace;
the
column
indicator
remains
at
the faulty
character.)
If
the
compare
does not
verify
at
the
second
try,
the
VERIFY
light
turns
on
and
the
keyboard
locks
again, as in
the
first
try.
Press
VER
RES.
28
Advertisement
Table of Contents
