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4023
Users
INSTALLATION
(cont.)
CR
DOES
LF
[bufJ_
IN
|
OUT
LF
DOES
CR
f
f
P
LF
LF/CRi
BUF-position
with
BUFFER
selection
permits
a
keyboard
CR
to
also
generate
a linefeed.
IN
position
permits
either
a
keyboard
or
computer
gen-
erated
CR
to
generate
a
simultaneous
linefeed.
OUT
position
inhibits
simulta-
neous
linefeeds
with
CR,
regardless
of
CR
origin.
__4
^imiiiiiiiiiiiiiiniiT
"
LF
position
performs
a
line-
feed only
upon
receipt
of
a
linefeed
command.
LF/CR
position
causes
a
simultaneous
carriage
return
function
upon
receipt
of
a
linefeed
command.
Fig.
2-8A.
Keyboard
Interface
Card.
EOL
LF
GEN
n
IN
i
LOCAL
OUT
D—
LOCAL
enables
line
feeds
to
be
generated
in
LOCAL
when
displaying
data
that originates
from
an aux.
device.
Linefeeds
are
not
transmitted
to
the
computer
if
on
line.
IN
enables
linefeeds
to
be
generated
by
transmit
circuits
when
operating
in
LOCAL
or
ON
LINE
with
BUFFER
selected
OUT
prevents
linefeeds
from
being generated
at
end
of
a
line.
PROMPT
M
ODE
OUT
irl
IN
i-
"•-
.
:
.-.*•
:
-
:?[:**:*
-•
•'
...
-;„•
y.
'~'-Z'.
:'-;,
'
•
X'->r'
:
.
•••V-:--
;
's>\;~V-:-\'~'-.
'••>:
-^:-'.
.'•.;',-•.'
-'.-.;'vV
:
.
'•'-.'•
;
V
1
''*;'<'
;:;;'••;
.•?,'''.-'.•*:.•.-:
>'
:•-
OUT
is
used
when 4023
does
not
require
a
prompt
character
for
data
transmission
from
buffer.
IN
is
used
when 4023
is
to
receive
a
prompt
character for
data transmission
from
buffer.
in
^
ro
im
«-
£
fc
fc
t
t
CO
OP
DQ
OQ
OQ
^^-B^*
D
D
D
MESSAGE END
The
Message
End
character
is
the
last
character sent
in
a
buffer
transmission.
The
standard
Message
End
char-
acter
is
strapped
to
be
CR;
however, any
ASCII
control
character
can
be
strapped.
Fig.
2-8B, Control Card.
®
218
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