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ID TECH EzWriter
Appendix B: Card Formats
ISO
Table 7 – ISO Card Format
Trac
k
Densit
y (bpi)
Bits/
Char
*
Total
Characters
**
Character Set Start
Sentinel
End
Sentinel
Field
Separat
or
1 210 7 79 Alphanumeric % ? ^
2 75 5 40 Numeric only ; ? =
3 210 5 107 Numeric only ; ? =
* Includes ODD parity bit
** Includes Start Sentinel, End Sentinel, and LRC characters
Track 1 allowed characters
Table 1 – Alphanumeric Character Set
b
6
0 0 1 1
b
5
0 1 0 1
b
4
b
3
b
2
b
1
COL
0 1 2 3
ROW
0 0 0 0 0 SP 0 @
(1)
P
0 0 0 1 1 !
(1
)
1 A Q
0 0 1 0 2 “
(1)
2 B R
0 0 1 1 3 #
(2)
3 C S
0 1 0 0 4 $ 4 D T
0 1 0 1 5 %
(3)
5 E U
0 1 1 0 6 &
(1)
6 F V
0 1 1 1 7 /
(1)
7 G W
1 0 0 0 8 ( 8 H X
1 0 0 1 9 ) 9 I Y
1 0 1 0 10 *
(1)
:
(1)
J Z
1 0 1 1 11 +
(1)
;
(1)
K [
(4)
1 1 0 0 12 ,
(
1)
<
(1)
L \
(4)
1 1 0 1 13 - =
(1)
M ]
(4)
1 1 1 0 14 . >
(1)
N ^
(3)
1 1 1 1 15 / ?
(3)
O DEL
(1)
(1) These characters are for hardware control purposes only.
(2) This character is reserved for optional additional graphic symbols.
(3) These characters have the following meanings: Position 0/5 % Represents “start sentinel”
1/15 ? Represents “end sentinel”
3/14 ^ Represents “field separator”
(4) These characters are reserved for additional national characters when required. They are not to be
used internationally.