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HP 2624 User Manual

HP 2624
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subsequently
transmitted
in
block mode to a
host
com-
puter,
these
control
bits
are
translated
into
escape
sequences
which
are
transmitted
along
with
the
dis-
playable
text
characters
(the
same
is
true
if
the
E5C
XferOD
configuration
field
is
set
to "YES"
and
you
are
copying
the
content
of display
memory
to
an
external
printer).
From
the
keyboard, you enable
and
disable
the
various
video
enhancements
using
the"
e
nha
n c e
video"
set
of
func-
tion
keys.
To
get
to
that
set, use
the
following
keystroke
sequence:
II
..
enhance
video
This
changes
the
function key labels to
the
following;
-
Ell
.. ..
define
modify
SET
SECUR
lTV
field.
char
.et
ENHNCMNT
VIDEO
..
..
..
-
INVERSE
BLINK
UNDRLINE
HALF
VIDEO
VIDEO
VIDEO
BRIGHT
To
cause
a
particular
string
of
text
characters
to be dis-
played
using
one
or
more
of
the
enhancements,
do
as
fol-
lows:
1.
Enable
the
desired enhancement(s) by
pressing
the
as-
sociated
function
key (
..
,
..
,
..
,
..
, and/or
a).
When
an
enhancement
is
enabled,
an
asterisk
appears
in
the
associated key label.
2.
Position
the
cursor
at
the
first
character
in
the
string.
3.
Press
...
The
selected
enhancements
take
effect
imm.ediately.
You
will notice
that
the
enhancements
begin
at
the
cursor
position
and
continue
through
the
end
of
the
line
(or
through
the
next
subsequent
column
in
which
another
display
enhancement
begins).
You
will
also notice
that
when
you
press
"SET
ENHNCMNT"
(
..
),
the
asterisk
automatically
disappears
from
the
selected
key
labels
(all
enhancements
are
disabled
until
you
once
again
explicitly
enable
them).
4.
Position
the
cursor
at
the
column
immediately
to
the
right
of
the
final
character
in
the
string.
Display Control
5.
Press
...
The
enhancements
disappear
from
the
cursor
position
through
the
end
of
the
line (or
through
the
next
subsequent
column
in
which
another
display
enhancement
begins).
You
have
actually
enabled
"no
enhancements", which is recorded
in
display
memory
as
a
distinct
control
bit
pattern
that
will be
translated
into
an
escape sequence
«ESC>&d@)
if
the
contents
of
dis-
play
memory
are
transmitted
to a
host
computer
in
block mode.
From
a
program
executing
in
a
host
computer, you enable
and
disable
the
various
video
enhancements
by embedding
escape sequences
within
the
data.
The
general
form of
the
escape sequence is
as
follows:
<ESC)
&d
<enhancement
code)
where
enhancement
code
is
an
@,
5,
or S
or
one of
the
uppercase
letters
A
through
0 specifying
the
desired
enhancement(s)
as
follows:
Half-Bright
Underline
Inverse Video
Blinking
End
Enhancement
@
A
x
x
B C
D
x
x x
x
Enhancement Character
E
F G H I J
x
x x
x
x
x
x x x
x x x
-
K L M N 0
x
x x x x
x
x x
x
x x x
x x x
To
enable
the
security
field
enhancement,
use
the
char-
acter
"5"
or
"S"
as
an
<enhancement
code).
For
example,
consider
the
following escape sequences:
<ESC>&d5B
Enable
both
the
security
field
and
inverse
video
display
enhancements
(and
disable
any
other
existing
enhancements
at
the
cur-
rent
cursor
position).
<ESC)&dS
Enable
the
security
field
enhancement
by
itself
(and
disable
any
other
existing
enhancements
at
the
current
cursor
po-
sition).
4-9

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HP 2624 Specifications

General IconGeneral
BrandHP
Model2624
CategoryTouch terminals
LanguageEnglish

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