Psc Handheld Laser Bar Code Scanners Keyboard Wedge / Manuel d'utilisateur télécharger pdf (Page 22)

14 User’s / Programming Guide

Data Transmission

Serial transmission data is composed of three of four different ele-

ments, depending upon host system requirements. These elements

are the START bit, DATA bits (7 or 8 bits), OPTIONAL PARITY bits,

and STOP bit (s) (1 or 2 bits).

The PARITY bit is used for error detection (e.g., data altered in trans-

mission), but is not required by all systems. A parity bit, if required,

will be in one of the following four formats:

If your system requires a WORD length of 7 bits, one or two STOP

bits, and a PARITY check, select the appropriate option from Table 1.

Table 1. 7 Bit Options

Data

Stop

Bits

Parity Option

7 1 Odd

7 1 Even

7 1 Mark

7 1 Space

EA*

7 2 Odd

7 2 Even

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 87 88

User’s / Programming Guide 1
Disclaimer 2
Table of Contents 5
06656 iii 7
Introduction 9
Unpacking 10
Installation 10
3 11
4 User’s / Programming Guide 12
Serial Communications 12
5 13
AutoSense 13
Operation 13
6 User’s / Programming Guide 14
7 15
Wand Emulation Operation 15
Setup Overview 16
9 17
10 User’s / Programming Guide 18
11 19
12 User’s / Programming Guide 20
13 21
Serial Communication 21
14 User’s / Programming Guide 22
15 23
16 User’s / Programming Guide 24
17 25
18 User’s / Programming Guide 26
19 27
20 User’s / Programming Guide 28
General Parameters 29
22 User’s / Programming Guide 30
23 31
24 User’s / Programming Guide 32
Message Formatting 33
26 User’s / Programming Guide 34
27 35
28 User’s / Programming Guide 36
29 37
30 User’s / Programming Guide 38
Serial Commands 39
32 User’s / Programming Guide 40
33 41
Keyboard Wedge Parameters 42
35 43
36 User’s / Programming Guide 44
37 45
Symbologies 46
39 47
40 User’s / Programming Guide 48
41 49
42 User’s / Programming Guide 50
43 51
44 User’s / Programming Guide 52
45 53
46 User’s / Programming Guide 54
Code 2 of 5 – Interleaved 54
47 55
Code 2 of 5 – Standard 55
48 User’s / Programming Guide 56
Code 128 56
49 57
50 User’s / Programming Guide 58
MSI/Plessey 58
51 59
52 User’s / Programming Guide 60
53 61
Digit Selection 61
54 User’s / Programming Guide 62
Symbology Identifiers 62
55 63
56 User’s / Programming Guide 64
57 65
Wand Emulation Parameters 66
59 67
60 User’s / Programming Guide 68
Data Synchronization 68
61 69
Memory Module 70
63 71
Marker Beam 72
65 73
Scanner Labeling 74
67 75
Maintenance 75
Cleaning 75
Inspection 75
Technical Support 76
Appendix A 77
70 User’s / Programming Guide 78
71 79
72 User’s / Programming Guide 80
73 81
74 User’s / Programming Guide 82
75 83
76 User’s / Programming Guide 84
77 85
78 User’s / Programming Guide 86

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