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APPENDICES
A1 The American Standard Code for Information Interchange (ASCII)
Character
NUL
SOH
STX
ETX
EOT
ENQ
ACK
BEL
BS
HT
LF
VT
FF
CR
SO
SI
DLE
DC1
DC2
DC3
DC4
NAK
SYN
ETB
CAN
EM
SUB
ESC
FS
GS
RS
US
SP
!
"
#
$
%
&
´
(
)
*
+
'
—
.
/
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
Significance
Null, Operation
Start of Heading
Start of Text
End of Text
End of Transmission
Enquiry
Acknowledgement
Bell
Backspace
Horizontal Tabulation
Line Feed
Vertical Tabulation
Form Feed
Carriage Return
Shift Out
Shift In
Data Link Escape
Device Control 1
Device Control 2
Device Control 3
Device Control 4
Negative Acknowledge
Synchronous Idle
End of Transmission Block
Cancel
End of Medium
Substitute Character
Escape
File Separator
Group Separator
Record Separator
Unit Separator
Space
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Number detection
Other currency symbol
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Decimal
Hex.
0
00
1
01
2
02
3
03
4
04
5
05
6
06
7
07
8
08
9
09
10
0A
11
0B
12
0C
13
0D
14
0E
15
0F
16
10
17
11
18
12
19
13
20
14
21
15
22
16
23
17
24
18
25
19
26
1A
27
1B
28
1C
29
1D
30
1E
31
1F
32
20
33
21
34
22
35
23
36
24
37
25
38
26
39
27
40
28
41
29
42
2A
43
2B
44
2C
45
2D
46
2E
47
2F
48
30
49
31
50
32
51
33
52
34
53
35
54
36
55
37
56
38
57
39
58
3A
59
3B
60
3C
61
3D
62
3E
63
3F
Binary
0000000
0000001
0000010
0000011
0000100
0000101
0000110
0000111
0001000
0001001
0001010
0001011
0001100
0001101
0001110
0001111
0010000
0010001
0010010
0010011
0010100
0010101
0010110
0010111
0011000
0011001
0011010
0011011
0011100
0011101
0011110
0011111
0100000
0100001
0100010
0100011
0100100
0100101
0100110
0100111
0101000
0101001
0101010
0101011
0101100
0101101
0101110
0101111
0110000
0110001
0110010
0110011
0110100
0110101
0110110
0110111
0111000
0111001
0111010
0111011
0111100
0111101
0111110
0111111
13
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