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Section
5.
Operation Reference
In
this
section, specific
functions
are
broken
4own
into
small individual operations.
Some
operations
are
common
to
several
functions; for
example, backspacing
is
used
for
punching,
verifying,
and
practically
every other operation.
These
operations
are
defined,
and
references
are
supplied
to
amplified
procedures elsewhere
in
the
manual.
Operation
Alphabetic
Shift
Backspace a Character
Backspace a
Field
Backspace
a
Record
Procedure
and
Result
This
is
the
keyboard
setting
when
operating
in
program
level 0.
(Equivalent
to "starwheels raised"
on
the
IBM
29.)
It
can be performed
automatically
under program
control
by
a
1-punch
in
the
program
card,
or
manually
at
any
time
by
use of the
ALPHA
shift
key.
Be
sure the
key
is
pressed before
the data key, to ensure desired
shift.
Alphabetic
characters are the
lower
characters
on
each
key.
Check column
indicator; press
CHAR
BKSP.
This operation backs
up
one
character,
or unlocks the
keyboard
if
an
invalid
keystroke has caused
a
lockup.
Check column
indicator; press
FIELD/WORD
BKSP.
This backs the card
to the
beginning of the
field.
Pressing
any backspace key
restores
a
locked
keyboard
(caused
by
an
invalid
operation).
When
used
at
the beginning
of
a
field,
this
key
causes
backspace
to the
start
of
the previous
manual
field;
it
passes
over auto skip/dup
programmed
fields
if
AUTO
SKIP/DUP
is
ON.
If
the
column
indicator
shows
88,
it is
an
indication that the
field
must
be
reverified
because of an
error correction
in verify.
Check column
indicator; press
REC
BKSP. The column
indicator returns to
01.
Auto
skip/dup
program
control
of
the
first
field
is
temporarily
suppressed; the old record
is
erased. Press
manual SKIP
or
DUP
to
restart
the
automatic
function.
Reference
Section
1,
"Alphabetic Punch-
ing"
and
Section
2,
"ALPHA"
Section
2,
"CHAR
BKSP"
and
"VER
RES"
and
Section
4,
"Two-try
Error Correction"
Section
2,
"Field
Backspace"
and
"VER
RES"
and
Section
4,
"Two-try
Error Correction"
and "Using
VER CORR
for
Field
Error Correction"
Section
2,
"REC
BKSP"
and
"VER
CORR".
Section
4,
"Using
VER CORR
for
Error
Field
Correction"
Backspace
a
Word
Blank
Columns
Card Feed
(Manual)
Check column
indicator;
hold
down ALPHA,
then
press
FIELD/WORD
BKSP. The
record
backs
up
to the character following the
last
manually
entered space or the beginning
of
the
field,
whichever occurs
first.
In
verify
mode,
the
BLANK
COLUMNS/LEFT ZERO CTRL
bar operates
as
a
blank
columns
verify
key
in
all
positions
except the
units position
of
a
programmed
LZ
verify
field.
By
pressing
BLANK
COLUMNS/LEFT ZERO
CTRL,
blank
columns
are
automatically
verified until
a character
is
reached, unit position of a
left-zero
field
is
reached,
start
of next
programmed
field
is
reached, or
end
of record
(if
in
program
level
0)
is
reached.
The
next
column
to
be
verified
is
then
shown
in
the
column
indicator.
(If
a
field
being
verified
is
a
left-zero
field,
an
additional step
is
necessary
at
the
units position.)
Key
the character
in
the units
position,
then
press
BLANK
COLUMNS/LEFT ZERO CTRL
or
-LZ
key
if
a
minus
over the
units position
is
to
be
verified.
(It
is
necessary to
verify
the
units
position
manually,
in
these
special
cases.)
In
punch mode,
the
BLANK COLUMNS
portion of the
key
has
no
function;
it
operates
as
an
LZ
fill
key
only.
Use
the spacebar or
SKIP
key
to write blanks
in
punch mode.
Either
insert
card
manually
(see
Section
4, "Inserting
Cards Manually")
or
let
next
card feed
from
hopper.
Press
FEED.
In
punch
mode
two
cards feed
from
the
hopper:
the
first is
registered,
the
second
is
pre-registered.
In
verify
mode
one
card feeds
through
and
is
automatically read into input
storage.
Section
2,
"Word
Backspace"
Section
2,
"BLANK
COLUMNS/LEFT ZERO
CTRL"
and
Section
4,
"Blank
Columns,
Verifying"
Section
2,
"FEED
V
Operation Reference
33
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