J}n)\
______
_
~
945424-9701
APPENDIX A
UNITED KINGDOM MODEL 911 VDT KEYBOARD ARRANGEMENT,
HEXADECThfAL CODES, MODE CHARACTER POSITIONS, ASCII,
SPECIAL CHARACTER SET, AND MATRIX CHART
The standard limited-ASCII United Kingdom Model 911 VDT keyboard
layout
and symbolization
are shown in figure A-1. Figure
A-2
shows the same keyboard layout with the keys numbered.
Table
A-1
lists the special character set hexadecimal code
outputs
by
key number, key legend, and
mode
of
the United Kingdom Model 911 VDT keyboard. Figures
A-3
through A-6 show keyboard
mode character positions. Table
A-2
lists
the
United Kingdom ASCII and special character set. The
keyboard matrix chart
is
shown in figure
A-
7.
(A)
1
40673
Figure A-1. United Kingdom Model 911 VDT Keyboard Arrangement
3
I I
10
11
12
13
14
15 16
17
18 19
20
21
22 23
24
25
26 27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
44
45 46
47 48
49
so
51
52
53
54
55
57
58
59
60
61
62
64
65
66
68
69
70
71
72
73
74
75
**"
76
77 78
79
80
81
82
83
84 85
86**
~B
**
75
AND
86
ARE
WIRED
IN
PARALLEL
90
ACTIVE
(8)136267
A
DUMMY
__
__.
Figure A-2. United Kingdom Model 911 VDT Keyboard with Keys Numbered
A-1
Digital
Systems Division