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Checksum

11-6 MS-3 Laser Scanner User’s Manual

11–Utilities

Checksum

A Checksum verifies a scanner’s flash memory.

By Serial Command

Upon sending <!> the scanner returns two 4-digit hex numbers that are the check

sums for boot code and the application code.

Individual checksums for Boot Code and Application Code and Raster Code are

returned when their respective commands <!b> and <!a> are sent.

1 2 ... 155 156 157 158 159 160 161 162 163 164 165 ... 201 202

MS-3 Laser Scanner 1
Microscan Systems, Inc 2
Microscan Europe 2
Microscan Asia Pacific R.O 2
Table of Contents 4
Chapter 11 Utilities 6
List of Figures 7
List of Tables 7
About the MS-3 Laser Scanner 9
About This Manual 9
Host Communications 9
Highlighting 9
Product Labels 10
Warning and Caution Summary 11
Quick Start 13
Step 1 — Hardware Required 14
Step 2 — Connect the System 15
1–Quick Start 16
Quick Start 17
Step 5 — Start Calibration 18
Step 6 — Test for Read Rate 19
Step 7 — Save Settings 20
Communications 21
2–Communications 22
Communications 23
Host Port Parameters 24
RS422 Status 25
Auxiliary Port 26
Transparent Mode 27
Half Duplex Mode 28
Full Duplex Mode 29
Daisy Chain Mode 30
Command Processing Mode 32
Daisy Chain ID Status 34
Daisy Chain ID 34
Protocol 35
Protocol By Serial Command 36
Protocol by Embedded Menu 37
Point-to-Point with RTS/CTS 39
Polling Mode D 40
Multidrop 40
User Defined Point-to-Point 40
Protocol 41
User Defined Multidrop 42
Response Timeout 44
Intercharacter Delay 45
Preamble Characters 46
Postamble Characters 47
3–Protocol 48
Read Cycle/Trigger 49
Read Cycle by Serial Command 50
Read Cycle by Embedded Menu 51
Trigger Mode 52
Continuous Read 1 Output 53
External Trigger Level 54
External Trigger Edge 55
Serial Data 56
Serial Data or External Edge 56
Trigger Filter Duration 57
External Trigger State 58
Serial Trigger Character 59
4–Read Cycle/Trig 60
Read Cycle/Trigger 61
Good Decode Reads 62
Read Cycle 63
New Trigger 64
Timeout or New Trigger 64
Timeout Duration 65
Multisymbol 66
Multisymbol Separator 67
Symbology 69
Symbology by Embedded Menu 70
Symbology by Serial Command 71
Autodiscriminate 72
Narrow Margins 73
Symbology ID 74
Background Color 75
Code 39 Status 76
Check Digit Status (Code 39) 76
Check Digit Output (Code 39) 76
Symbology 77
Full ASCII Set (Code 39) 78
Fixed Symbol Length (Codabar) 80
Interleaved 2 of 5 82
5–Symbology 84
Separator Status (UPC/EAN) 86
Code 128 88
UCC/EAN-128 89
Code 93 Status 92
Fixed Code Length (Code 93) 92
Pharmacode 93
Bar Widths (Pharmacode) 94
Matchcode 95
Matchcode by Serial Command 96
Matchcode by Embedded Menu 97
Overview of Matchcode 98
Using Master Symbols 99
Matchcode Type 100
Match Start Position 101
Match Length 101
Wild Card Character 102
Sequence On Noread 103
Sequence On Mismatch 104
Master Symbol Database 105
Request Master Symbol Data 106
Delete Master Symbol Data 107
New Master Pin 108
Scanner Setup 109
7–Scanner Setup 110
Scanner Setup 111
Scan Speed 112
Laser On/Off Status 113
Laser Framing 114
Laser On Position 115
Laser Off Position 116
Laser Power 117
Automatic Gain Control 118
AGC Minimum 119
AGC Maximum 119
Transition Counter 120
Bar Detection 121
Data Outputs 123
8–Data Outputs 124
Data Outputs 125
Symbol Output 126
When to Output Symbol Data 127
As Soon As Possible 128
End of Read Cycle 128
Message Output 129
Noread Message 130
Bad Symbol Message 131
No Symbol Message 132
Serial Verification 133
Control/Hex Output 134
Operational Command Output 134
Quality Output 135
Partial Output 136
Beeper Output 137
Discrete I/O 139
9–Discrete I/O 140
Discrete I/O 141
Output 1 142
Output Polarity 143
Pulse Width 143
Number to Output On 143
Output 2 144
Output 3 144
Diagnostics 145
Diagnostics by Serial Command 146
Diagnostics by Embedded Menu 147
Warning Messages Overview 148
Warning Message Status 149
Laser High Warning 150
Laser Low Warning 151
NOVRAM Corrupt Warning Status 152
Power-on Count 153
Time Since Last Reset 154
Utilities 155
Utilities by Serial Command 156
Utilities 157
Counters 158
Part Number 159
Checksum 160
Read Rate 161
Device Control 162
Symbol Type 164
Defaulting/Saving/Resetting 165
Factory Default Parameters 166
Default/Reset Definitions 166
Code Types Enable Commands 167
Scanner Status Requests 168
Appendices 169
A–Appendices 170
Appendices 171
Scanner Pin Assignments 172
Caution: 172
Serial Utility Commands 176
Appendix F — ASCII Table 178
Customer Default Parameters 180
Hardware Default 182
Reader Status Requests 183
Entering Symbol Configuration 184
Using Configuration Symbols 184
Appendix I — Object Detector 186
Appendix K — Operational Tips 189
Appendix L — Embedded Menus 190
Polling Sequence 194
Select Sequence 195

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