55
Right Alt
A0
Right GUI
A1
Caps Lock
A2
Appendix 2
：
ASCII barcode list
Decimal
Octal Hexadecima
l
Character
Description
0
0
00
NUL
1
1
01
SOH
start of header
2
2
02
STX
start of text
3
3
03
ETX
end of text
4
4
04
EOT
end of transmission
5
5
05
ENQ
enquiry
6
6
06
ACK
acknowledge
7
7
07
BEL
bell
8
10
08
BS
backspace
9
11
09
HT
horizontal tab
10
12
0A
LF
line feed
11
13
0B
VT
vertical tab
12
14
0C
FF
form feed
13
15
0D
CR
carriage return
14
16
0E
SO
shift out
15
17
0F
SI
shift in
16
20
10
DLE
data link escape
17
21
11
DC1
no assignment
，
but usually XON
18
22
12
DC2
19
23
13
DC3
no assignment
，
but usually XOFF
20
24
14
DC4
21
25
15
NAK
negative acknowledge
22
26
16
SYN
synchronous idle
23
27
17
ETB
end of transmission block
24
30
18
CAN
cancel
25
31
19
EM
end of medium
26
32
1A
SUB
substitute
27
33
1B
ESC
escape
28
34
1C
FS
file separator
