Datapoint 3300 Руководство по эксплуатации - Страница 12
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Печатать страницуWhen the cu rsor
key
opt ion is
incorporated
,
these keys w
ill
transmit a un ique code to the
computer, thus,
all
ow ing the computer to keep
track of
the
cursor pos it
ion
at
all
times
.
The
computer may send cursor
codes
back
(See
ASC
II
Tabl
e,
or Table on page
8
for
curso
r
codes)
that will
cause the cursor
to move to
any
predeterm ined pos itio
n.
W ith th
is
opt ion, page
editing and
effect
ive tabulation are ava ilable
to
the operator.
BACKSPACE KEY.
The
backspace
key
IS
normally
coded as a sh
ifted
"0"
(
-
).
The
norma
l
cod ing w
ill
cause
the
curso
r
to move
back o ne character
position
and
inhi
bit
the
back
arrow from being disp layed
.
Any ot her
code is ava
il
ab le if desired.
ESCAPE KEY.
The
escape
key is normally
coded octal 033 (control-shift
"K").
Any
other code is
ava
il
ab le
if
desired
.
READ
ONLY DATA.
Data
can
be provided
through
a
specia
l
cab le
to dr ive
a
Read
On
ly
RS-232-B
Tel
epr inte
r
device
if
desired.
SPACE OVER
WRITE (SPOW) LATCH
. This
optio
n all
ows
the destru ctive nature
of
the
space
chara
cter
to be
eli
minated when
a co
n-
tro
l
"N" is received
.
The
SPOW
latch
is
re-
leased
by the rece ipt of
a co ntro
l
"0"
and
a
Line
Feed. (See page
6for addit ional
data).
9