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3-28 MS-4 Imager User’s Manual
USB HID Interface
Keyboard Report Format
Size: 9 bytes, fixed-length.
Structure: REPORT ID (1) MODIFIER (1) RESERVED (1) KEYCODES (6)
Values in parentheses indicate the size, in bytes, of the field.
Important: The host application does not need to understand and process Keyboard
Reports. This task belongs to the host operating system. Keycodes are passed to the host
application as if a user were typing keyboard text. The host application must be the active
application in order to receive keystrokes.
Keyboard Reports protocol requires that two reports be sent for every keystroke. The first
report indicates which key is pressed. The second report indicates “no key pressed”, with
all keycodes NUL (0x00) to indicate that all keys have been released. In the case of the
MS-4 Imager, each byte output is equivalent to a keystroke, with a “key pressed” report
and a “no key pressed” report. For this reason, data rates are much slower when using
Keyboard Reports.
Field Descriptions
REPORT ID
Size: 1 byte
Value: 0x02
Note: Report ID is the method employed by USB HID to allow multiple report formats to be
sent and received from the same interface.
MODIFIER
Size: 1 byte
Value: 0x00 to 0xFF
Note: Modifier is an 8 bit field, corresponding to the state of the modifier keys at the time
the keycode field was generated.
Bit Key
0 LEFT CTRL
1 LEFT SHIFT
2 LEFT ALT
3LEFT GUI
4 RIGHT CTRL
5 RIGHT SHIFT
6 RIGHT ALT
7 RIGHT GUI
- MS-4 Imager 1
- User’s Manual 1
- Disclaimer 2
- Latest Manual Version 2
- Technical Support 2
- Warranty and Terms of Sale 2
- Table of Contents 3
- Chapter 5 Read Cycle 4
- Chapter 6 Symbologies 4
- Chapter 7 I/O Parameters 4
- Introduction 5
- Chapter 8 Symbol Quality 5
- Chapter 9 Matchcode 5
- Chapter 14 Output Format 7
- About the MS-4 Imager 8
- About This Manual 8
- Highlighting 8
- Host Communications 8
- Warning and Caution Summary 9
- MS-4 Imager User’s Manual 10
- Statement of RoHS Compliance 11
- 1 Quick Start 13
- Step 2 — Connect the System 15
- Step 4 — Install ESP 17
- Step 5 — Select Model 18
- MS-4 Imager User’s Manual 1-7 19
- Locate by EZ Button 20
- Locate by ESP 21
- Step 8 — Calibrate Settings 22
- Step 9 — Test Read Rate 23
- Help menu 24
- Saving Options 25
- 2 Using ESP 27
- Calibrate 28
- Application Mode 29
- Menu Toolbar 30
- MS-4 Imager User’s Manual 2-5 31
- Preferences 32
- Terminal Tab 33
- Bar Code Options Tab 34
- Grade Report Options Tab 35
- Advanced Tab 36
- Document Memo 37
- Model Memo 37
- Connecting 38
- Bar Code Dialog 39
- Navigating in ESP 40
- Send/Receive Options 41
- Defaulting 42
- Advanced Options 42
- Using EZ Trax 43
- 3 Communications 45
- Communications by ESP 46
- MS-4 Imager User’s Manual 3-3 47
- Host Port Connections 48
- Host Port Protocol 49
- Polling Mode 50
- ACK / NAK Options 51
- Polling Mode Options 52
- RS-422 Status 53
- Auxiliary Port Connections 54
- Stop Bits, Auxiliary Port 55
- Data Bits, Auxiliary Port 55
- Transparent Mode 56
- Half Duplex Mode 57
- Full Duplex Mode 58
- Daisy Chain Mode 59
- Command Processing Mode 60
- Daisy Chain ID Status 61
- Daisy Chain ID 61
- Daisy Chain Autoconfigure 63
- Response Timeout 64
- LRC Status 65
- Point-to-Point (Main Port) 66
- Polling Mode (Main Port) 66
- ACK / NAK (Main Port) 66
- Auxiliary Port 66
- USB HID Interface 67
- Report Options 68
- Keyboard IN Reports 69
- Microscan HID Report Format 70
- Report Format Examples 71
- Keyboard Report Format 72
- Field Descriptions 73
- USB HID Configuration Options 74
- Read Cycle Mode 75
- Communications 75
- Symbologies 75
- Preamble 77
- Postamble 78
- 4 Calibration 79
- Calibration Serial Commands 80
- Calibration Overview 80
- Calibration Options 81
- Symbol Type 83
- Row and Column 85
- Straight Line 86
- Straight Line Framed 86
- Line Scan Height 87
- Processing 87
- Calibration by ESP 88
- After Calibration 89
- Initiating Calibration 90
- Read Rate LEDs 91
- Beeper / Green Flash 91
- Terminal 92
- Medium Pass 93
- Fine-Tune Pass 94
- 5 Read Cycle 97
- Read Cycle by ESP 98
- Read Cycle Serial Commands 99
- Read Cycle Setup 100
- Multisymbol 101
- Trigger Mode and Duration 102
- Continuous Read 1 Output 103
- External Level 104
- External Edge 104
- Serial Data 105
- Serial Data or External Edge 105
- Trigger Filter Duration 106
- External Trigger Polarity 107
- Serial Trigger 108
- End of Read Cycle 110
- Read Cycle Timeout 111
- Capture Mode 112
- Number of Captures 113
- Rapid Capture Mode 113
- Timed Capture 114
- Triggered Capture 115
- Capture Timing 116
- Time Between Captures 117
- Image Processing Timeout 118
- Image Storage 119
- Image Storage Example 120
- Minimum Good Reads 121
- 6 Symbologies 123
- Symbologies by ESP 124
- Symbologies Serial Commands 125
- Data Matrix 126
- MS-4 Imager User’s Manual 6-5 127
- Check Digit Status (Code 39) 129
- Fixed Symbol Length (Code 39) 130
- Full ASCII Set (Code 39) 131
- Code 128 / EAN 128 132
- (Code 128 / EAN 128) 133
- Check Digit Output (BC412) 135
- Fixed Symbol Length (BC412) 135
- Interleaved 2 of 5 136
- Symbol Length (Code 93) 139
- Start / Stop Match (Codabar) 140
- Start / Stop Output (Codabar) 140
- Symbol Length (Codabar) 141
- Check Digit Type (Codabar) 142
- Check Digit Output (Codabar) 142
- UPC / EAN 143
- Separator Status (UPC / EAN) 144
- Supplemental Type (UPC / EAN) 145
- GS1 DataBar (RSS) 147
- DataBar Limited 148
- DataBar-14 148
- Fixed Symbol Length (PDF417) 149
- Codeword Collection (PDF417) 150
- MicroPDF417 151
- Composite 152
- Narrow Margins 153
- Symbology Identifier 154
- Background Color 155
- 7 I/O Parameters 157
- I/O Parameters by ESP 158
- I/O Parameters 159
- Symbol Data Output 160
- When to Output Symbol Data 161
- No Read Message 162
- Bad Symbol Message 164
- No Symbol Message 164
- Minimum Number of Bars 165
- Start/Stop Status 165
- 2D Symbology Qualification 166
- Symbol Size 1 167
- Symbol Size 2 167
- Symbol Size Tolerance 167
- Dimension Mode 168
- Dimension 1 169
- Dimension 2 169
- Dimension Tolerance 169
- Orientation Mode 170
- Orientation Value 171
- Read Duration Output 172
- Output Indicators 173
- Static Presentation Mode 174
- Mismatch 174
- Target Pattern 175
- Green Flash Duration 176
- LED Configuration 178
- Serial Verification 179
- Control/Hex Output 180
- EZ Button 181
- Default on Power-On 182
- Load Configuration Database 182
- Save for Power-On 182
- EZ Button Modes 183
- EZ Button Operation 184
- Configurable Output 1 185
- Trend Analysis 186
- Symbol Quality 186
- Diagnostic Warning 186
- In Read Cycle 186
- Output State 187
- Pulse Width 187
- Output Mode 187
- Trend Analysis Output 1 188
- Trend Analysis Mode 189
- Trigger Evaluation Period 190
- Number to Output On 190
- Decodes/Trigger Threshold 190
- Output on Symbol Contrast 191
- Output on Print Growth 191
- Symbol Contrast Threshold 192
- Print Growth Threshold 193
- Diagnostic Output 1 194
- Configurable Output 2 195
- Trend Analysis Output 2 195
- Diagnostic Output 2 195
- Configurable Output 3 196
- Trend Analysis Output 3 196
- Diagnostic Output 3 196
- Power-On / Reset Counts 197
- Time Since Reset 198
- Service Message 199
- Frame Information 200
- Image Output 201
- Communication Port 202
- File Format 202
- JPEG Quality 202
- Image Output Example 203
- Database Identifier Output 204
- Quality Output 205
- Configuring EZ Trax Output 206
- EZ Trax Output 207
- Comm Port 207
- Image Mode 207
- Image Format 207
- Object Info Output 208
- Grade Output 208
- 8 Symbol Quality 213
- Overview of Symbol Quality 215
- Symbol Quality by ESP 216
- Report Tab 217
- Locate Tab 218
- Preferences Tab 219
- Symbol Quality Separator 220
- Data Matrix Output Mode 221
- Symbol Contrast 222
- Print Growth 222
- (Data Matrix Only) 223
- Total Read Time 225
- Capture Time 225
- Locate Time 225
- Decode Time 226
- Quiet Zone (Data Matrix Only) 227
- 9 Matchcode 229
- Matchcode by ESP 230
- Matchcode Serial Commands 230
- Overview of Matchcode 231
- Matchcode Type 232
- Sequential Matching 233
- Match Start Position 233
- Match Length 233
- Wild Card Character 234
- Sequence on No Read 235
- Sequence on Mismatch 236
- Match Replace 237
- Mismatch Replace 238
- New Master Pin 239
- Camera and IP Setup 241
- Camera and IP Setup by ESP 242
- Evaluation 245
- Histogram 246
- Threshold (Histogram) 247
- Line Scan 248
- Calibration 249
- Window of Interest 250
- Window of Interest by ESP 251
- Top (Row Pointer) 252
- Left (Column Pointer) 252
- Height (Row Depth) 252
- Width (Column Width) 252
- Configuration Database 253
- Dynamic Setup 254
- Pixel Sub-Sampling 255
- Shutter Speed 256
- Focal Distance 258
- Number of Focal Distances 259
- IP Threshold 260
- Cycle Max 261
- Cycle Step 261
- Damaged Symbol 264
- Standard 265
- Fast Linear Mode 265
- Horizontal 265
- Vertical 265
- Hollow Mode 266
- Mirrored Image 267
- Illumination Brightness 268
- Skew Correction 269
- Line Speed 270
- Symbol Direction 271
- Configuration 273
- Database 273
- Number of Active Indexes 275
- Configuration Database Status 276
- Row Pointer 277
- Column Pointer 277
- Row Depth 277
- Column Width 277
- Threshold Mode 278
- Fixed Threshold Value 278
- Processing Mode 278
- Symbology Type 279
- Database Mode 281
- Image Process Looping 282
- Image Dimensions 283
- Region of Interest (ROI) 284
- Notes on Symbol Type 287
- Terminal 291
- Terminal Window 292
- Editing a Macro 295
- Terminal Window Menus 296
- Utilities 297
- Serial Utility Commands 298
- Utilities 299
- Read Rate 300
- Counters 301
- Counters by Serial Command 302
- Device Control 303
- Master Database 304
- Master Symbol Database Size 305
- Enter Master Symbol Data 306
- Request Master Symbol Data 307
- Request New Master Status 308
- Delete Master Symbol Data 309
- Firmware 310
- Firmware Verification 311
- Request Checksum 312
- Bar Code Configuration 313
- Default / Reset / Save 314
- Customer Default Parameters 315
- Microscan Default Parameters 315
- Imager Status Requests 316
- Image Library Request 318
- Output Format 319
- Output Format Serial Commands 320
- Output Format Status 321
- Format Assign 322
- Format Extract 323
- Format Extract by ESP 324
- Format Insert 325
- Format Insert by ESP 326
- Output Filter Configuration 327
- Filter Number 328
- Length 329
- Wildcard 329
- Placeholder 329
- Database Index 330
- Ordered Output Filter 331
- Appendices 333
- A-2 MS-4 Imager User’s Manual 334
- General Specifications 334
- MS-4 Imager Dimensions 334
- A-4 MS-4 Imager User’s Manual 336
- A-6 MS-4 Imager User’s Manual 338
- Serial Configuration Commands 338
- A-8 MS-4 Imager User’s Manual 340
- Serial Command Format 342
- Communications Protocol 344
- ACK / NAK Data Flow Examples 345
- Error Condition 346
- Transfer 1 347
- Transfer 2 347
- Error Condition 1 349
- Error Condition 2 350
- Error Condition 3 352
- Appendix E — ASCII Table 353
- Appendix G — Object Detector 355
- Appendix H — Operational Tips 356
- (For use with Windows 357
- Changing the COM Port 359
- Glossary of Terms 366
- Hyperlink Index 367
- 2 MS-4 Imager User’s Manual 368
- MS-4 Imager User’s Manual 3 369
- 4 MS-4 Imager User’s Manual 370
- MS-4 Imager User’s Manual 5 371
- 6 MS-4 Imager User’s Manual 372
- MS-4 Imager User’s Manual 7 373
- 8 MS-4 Imager User’s Manual 374
- MS-4 Imager User’s Manual 9 375
- 10 MS-4 Imager User’s Manual 376
- MS-4 Imager User’s Manual 11 377
- 12 MS-4 Imager User’s Manual 378
- MS-4 Imager User’s Manual 13 379
- 14 MS-4 Imager User’s Manual 380
- MS-4 Imager User’s Manual 15 381
- 16 MS-4 Imager User’s Manual 382
- MS-4 Imager User’s Manual 17 383
- 18 MS-4 Imager User’s Manual 384
- MS-4 Imager User’s Manual 19 385
- 20 MS-4 Imager User’s Manual 386
- MS-4 Imager User’s Manual 21 387
- 22 MS-4 Imager User’s Manual 388
- MS-4 Imager User’s Manual 23 389
- 24 MS-4 Imager User’s Manual 390
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