01
27
30
65
18
69
23
73
50
77
16
81
22
85
21
89
08
38
05
36
02
33
Figure B-23. Series 3500 47-key Shift-Modified Keyboard
29
00
42
00
48
66
46
67
32
68
33
70
34
71
35
72
36
74
37
75
38
76
49
78
24
79
25
80
19
82
31
83
20
84
47
86
17
87
45
88
44
90
72
56
80
50
09
42
10
40
14
08
06
37
07
94
57
32
03
64
04
35
28
13
11
41
52
46
Keyboard Layouts
B-23