COULTER HmX Hematology Analyzer, Reference Manual

Page: 79 / 128

PN 4237523A 7-1
7 7
BAR-CODE SPECIFICATIONS
7.1 BAR-CODE LABELS
A bar code consists of black lines (bars) and white lines (spaces) called elements. They are
narrow elements (NE) and wide elements (WE), and the code determines their arrangements.
The HmX Hematology Analyzer and HmX Hematology Analyzer with Autoloader accept four
bar-code symbologies:
r
Code 39
®
bar code
r
* Codabar or NW7
r
Interleaved 2-of-5
r
Code 128.
* Only one of these types (Codabar or NW7) can be active at the same time. The NW7 code
used on the instrument is the same as the Codabar symbology with a checkdigit.
Table 7.1 contains Code 128 characters.
IMPORTANT Inaccurate reading by the scanner could occur if you use bar-code labels for specimen tubes
that do not conform to the specifications given in this appendix. Only use bar-code labels that comply with
these specifications.
IMPORTANT Inaccurate reading by the scanner could occur if you use the characters listed below in your
bar-code label. Do not use the following Code 128 characters:
Subset Character values
A 0, 64-95, 101, 102
B 0, 95, 100, 102
C 102
Table 7.1 Code 128 Characters
Value Code A Code B Code C Value Code A Code B Code C Value Code A Code B Code C
0 Space Space 00 36 D D 36 72 BS h 72
1 ! ! 01 37 E E 37 73 HT i 73
2 ” ” 02 38 F F 38 74 LF j 74
3 # # 03 39 G G 39 75 VT k 75
4 $ $ 04 40 H H 40 76 FF l 76
5 % % 05 41 I I 41 77 CR m 77
6 & & 06 42 J J 42 78 SO n 78
7 ’ ’ 07 43 K K 43 79 SI o 79
8 ( ( 08 44 L L 44 80 DLE p 80
9 ) ) 09 45 M M 45 81 DC1 q 81
10 * * 10 46 N N 46 82 DC2 r 82