Brightness control (04) <eot, Alphanumeric message scroll (05) <eng, Brightness – IBM 32x User Manual
Page 36: Control, Alphanumeric, Message, Scroll, Table
Table
A-3.
User
character
definition:
IBM
emulation
mode
Byte
#
Bit
0
1
2
3
4
5
6
7
1
-
-
-
P1
P2
P3
P4
P5
2
-
-
-
P6
P7
P8
P9
P10
3
-
-
-
P11
P12
P13
P14
P15
4
-
-
-
P16
P17
P18
P19
P20
5
-
-
-
P21
P22
P23
P24
P25
6
-
-
-
P26
P27
P28
P29
P30
7
-
-
-
P31
P32
P33
P34
P35
8*
-
-
-
-
-
-
-
-
*
These
user
character
definitions
are
maintained
for
application
compatibility
with
displays
with
5x8
character
boxes.
←
–
–
–
–5
pixels
wide
–
–
–
–→
P1
P2
P3
P4
P5
↑
P6
P7
P8
P9
P10
|
P11
P12
P13
P14
P15
|
P16
P17
P18
P19
P20
7
pixels
high
P21
P22
P23
P24
P25
|
P26
P27
P28
P29
P30
|
P31
P32
P33
P34
P35
↓
Brightness
control
(04)
<EOT>
04
nn
Purpose:
Specifies
a
brightness
setting
for
the
display,
in
a
percentage.
The
power-on
default
is
100%.
X'FF'
100%
X'60'
60%
X'40'
40%
X'20'
20%
Alphanumeric
message
scroll
(05)
<ENG>
05
xxx...
Purpose:
Specifies
a
message
of
up
to
45
characters
to
continuously
scroll
across
the
top
line
of
the
display.
(Any
text
on
the
bottom
line
does
not
change.)
Data
received
after
the
45th
character
are
ignored
except
for
a
carriage
return
(X'0D').
The
message
starts
to
display
when
the
carriage
return
command
is
received.
If
the
cursor
position
is
on
the
top
line
when
this
command
is
received,
it
is
moved
to
the
first
position
on
the
bottom
line.
If
it
is
on
the
bottom
line,
its
position
does
not
change.
Data
continues
scrolling
on
the
top
line
until
a
valid
character
(backspace,
horizontal
tab,
line
feed,
Input/output
device
commands
11-9-2005
A-4
SurePOS
Installation
and
Service