Trimble Outdoors 45005-00-ENG Manuel d'utilisateur Page 10
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- MARQUE LIVRES
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x Acutime 2000 Synchronization Kit User Guide
Contents
E.2.4 Running NTP with Event Polling Disabled . . . . . . . .E-12
E.2.5 Incorrect Port and Bad Data . . . . . . . . . . . . . . . .E-15
E.2.6 Serial Port is Unavailable . . . . . . . . . . . . . . . . .E-16
E.3 Compiling the NTP Distribution . . . . . . . . . . . . . . . . . . E-17
E.4 Windows NT Administration. . . . . . . . . . . . . . . . . . . . E-21
E.4.1 Controlling the NTP Service . . . . . . . . . . . . . . .E-21
E.4.2 Removing the NTP Service . . . . . . . . . . . . . . . .E-21
E.5 Additional Information . . . . . . . . . . . . . . . . . . . . . . . E-23
F Theory of Operation
F.1 GPS Satellite Message . . . . . . . . . . . . . . . . . . . . . . . F-2
F.2 Satellite Acquisition and Time to First Fix. . . . . . . . . . . . . F-3
F.2.1 Cold Start . . . . . . . . . . . . . . . . . . . . . . . . .F-3
F.2.2 Warm Start. . . . . . . . . . . . . . . . . . . . . . . . .F-4
F.2.3 "Garage Search" Strategy . . . . . . . . . . . . . . . . .F-5
F.2.4 Hot Start . . . . . . . . . . . . . . . . . . . . . . . . . .F-5
F.3 Position Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . F-6
F.3.1 Selective Availability (S/A) . . . . . . . . . . . . . . . .F-6
F.4 Coordinate Systems. . . . . . . . . . . . . . . . . . . . . . . . . F-7
F.4.1 TSIP . . . . . . . . . . . . . . . . . . . . . . . . . . . .F-7
F.4.2 NMEA 0183 . . . . . . . . . . . . . . . . . . . . . . . .F-7
F.5 Performance Characteristics . . . . . . . . . . . . . . . . . . . . F-8
F.5.1 Update Rate . . . . . . . . . . . . . . . . . . . . . . . .F-8
F.5.2 Dynamic Limits . . . . . . . . . . . . . . . . . . . . . .F-8
F.5.3 Re-Acquisition. . . . . . . . . . . . . . . . . . . . . . .F-8
F.6 System Architecture . . . . . . . . . . . . . . . . . . . . . . . . F-10
Glossary
Index
- Synchronization Kit 1
- Contents 5
- F Theory of Operation 10
- Glossary 10
- List of Figures 11
- List of Tables 13
- About This Manual 19
- Organization 20
- Reader Feedback 21
- Related Information 22
- Abbreviations 23
- Document Conventions 23
- Cautions and Notes 24
- 1 Introduction 25
- Introduction 26
- 1.3 Starter Kit 28
- 2 Getting Started 29
- Getting Started 30
- 3 Acutime 2000 33
- Installation 33
- 3.1 Choosing a Location 34
- 3 Acutime 2000 Installation 35
- Connections 38
- 4 Acutime 2000 39
- 4 Acutime 2000 Connections 41
- 4.3 Connection Instructions 45
- 4.3.3 Serial Port Connections 46
- 5 System Operation 49
- 5.2 Automatic Operation 50
- 5.2.2 Tracking Modes 52
- 5.2.3 PPS Output Options 54
- PPS Offset (ns) 56
- Quantization Error (ns) 56
- Corrected PPS Offset (ns) 56
- 5.3 Serial Data Communication 58
- 5.4 GPS Timing 60
- integer-second offset. The 62
- C PPS (default) is selected 62
- System Operation 64
- 6 NTP Software 69
- Installation and 69
- Configuration 69
- 6.1.1 NTP Time Servers 70
- 6.2.1 Installation Support 72
- 6.3.1 GPS Preparation 73
- 6.3.2 Host System Preparation 74
- PPS Port A Port B 76
- 6.4.1 Optional Connections 77
- 6.5 NTP Software Installation 78
- 6.5.1 NTP Configuration File 79
- 6.5.2 Acutime Configuration 80
- 6.6 Windows NT Installation 83
- 6.6.1 Automatic Installation 84
- 6.6.2 Manual Installation 85
- NTP.CONF.TXT, which NTP will 86
- NTPD.EXE, to 87
- WINNT\SYSTEM32 directory 87
- INSTSRV.EXE 89
- INSTSRV.EXE utility 89
- 6.6.3 Starting the Service 91
- 6.7 UNIX Installation 92
- ETC directory 93
- 6.7.2 Set Up Device Links 94
- DEV directory before 95
- 6.7.3 Hardware Configuration 96
- USR/LOCAL/BIN 97
- 6.7.5 System Initialization 98
- 6.8 Monitoring NTP 99
- 6.8.2 UNIX System Log Files 102
- GPS_ACUTIME line item 105
- A Trimble Standard 107
- Interface Protocol 107
- A.1.1 Packet Structure 108
- A.2.1 Nomenclature 110
- A.2.2 Protocol Capabilities 110
- A.2.3 Event Input 112
- A.4 Receiver Warm Start 113
- Table A-8 Background Packets 114
- Reports for ACE UTC 115
- A.9 Event Packets 117
- A.10 Satellite Data Packets 117
- Table A-13 Advanced Packets 119
- 1E Reset receiver (Note 1) 120
- A.14 Packet Structure 125
- 0x1D Command Packet 1D 126
- 0x1E Command Packet 1E 127
- 0x1F Command Packet 1F 127
- 0x20 Command Packet 20 128
- 0x21 Command Packet 21 128
- 0x23 Command Packet 23 128
- 0x24 Command Packet 24 129
- 0x25 Command Packet 25 129
- 0x26 Command Packet 26 129
- 0x27 Command Packet 27 130
- 0x28 Command Packet 28 130
- 0x29 Command Packet 29 130
- 0x2A Command Packet 2A 130
- 0x2B Command Packet 2B 132
- 0x2D Command Packet 2D 132
- 0x2E Command Packet 2E 133
- 0x2F Command Packet 2F 133
- 0x31 Command Packet 31 133
- 0x32 Command Packet 32 135
- 0x34 Command Packet 34 135
- 0x35 Command Packet 35 136
- Table A-22 Command Packet 35 137
- 0x37 Command Packet 37 141
- 0x38 Command Packet 38 141
- Table A-23 Command Packet 38 142
- 0x39 Command Packet 39 143
- 0x3A Command Packet 3A 144
- 0x3B Command Packet 3B 144
- 0x3C Command Packet 3C 145
- 0x3D Command Packet 3D 146
- 0x3F-11Command Packet 3F-11 146
- 0x40 Report Packet 40 146
- 0x41 Report Packet 41 147
- 0x42 Report Packet 42 149
- 0x43 Report Packet 43 150
- 0x45 Report Packet 45 151
- 0x46 Report Packet 46 152
- Table A-36 153
- Table A-36 Report Packet 46 153
- 0x47 Report Packet 47 154
- 0x48 Report Packet 48 154
- 0x49 Report Packet 49 155
- 0x4A Report Packet 4A 155
- 0x4B Report Packet 4B 157
- 0x4C Report Packet 4C 158
- 0x4D Report Packet 4D 159
- 0x4E Report Packet 4E 159
- 0x4F Report Packet 4F 160
- 0x54 Report Packet 54 161
- 0x55 Report Packet 55 161
- 0x56 Report Packet 56 162
- 0x57 Report Packet 57 163
- 0x58 Report Packet 58 164
- 0x59 Report Packet 59 169
- 0x5A Report Packet 5A 170
- 0x5B Report Packet 5B 172
- 0x5C Report Packet 5C 174
- EEPROM Segment Status Reports 176
- 0x60 Command Packet 0x60 177
- 0x61 Command Packet 0x61 179
- 0x6D Report Packet 6D 180
- 0x7A Command Packet 7A 181
- 0x7B Report Packet 7B 182
- 0x83 Report Packet 83 182
- 0x84 Report Packet 84 183
- 0xBB Command Packet BB 184
- 0xBB Report Packet BB 189
- 0xBC Command Packet BC 189
- 0xBC Report Packet BC 190
- A.16 Custom OEM Packets 191
- A.17 TSIP Superpackets 191
- Command Packet 8E-0B 192
- Set New Datum 193
- Request Current Datum Values 194
- Production Parameters 196
- Automatic Packet Output Mask 198
- Set PPS Output Option 200
- Set PPS Width 201
- Issue Self-Survey Command 204
- Set Self-Survey Parameters 204
- Request Primary Timing Packet 206
- Comprehensive Time 209
- Current Datum Values 211
- 00x8F-20 212
- × 256 + IODE 213
- Manufacturing Parameters 215
- PPS Characteristics 218
- Report Packet 8F-A6 221
- Report Packet 0x8F-A9 221
- Report Packet 8F-AB 221
- INTEGER UTC Offset (seconds) 223
- Report Packet 8F-AC 224
- (ppb) of local clock 228
- Primary UTC Time 229
- A.18 Datums 232
- A.19 Sample TSIP Routines 240
- B Timing Receiver Monitor 245
- B.2 Main screen 246
- C NMEA 0183 247
- C.2 NMEA 0183 Message Format 248
- C.3 NMEA 0183 Message Options 250
- C.4 NMEA 0183 Message Formats 251
- <CR><LF> 252
- Message Parameters 256
- NMEA 0183 258
- D Specifications and 259
- Drawings 259
- D Specifications and Drawings 261
- Table D-5 Serial Protocols 262
- 50' ±6" 264
- Specifications and Drawings 266
- E NTP Diagnostics and 267
- Debugging 267
- NTP Diagnostics and Debugging 268
- E.1.2 Error Log Entries 269
- File, page 6-11 270
- Acutime Configuration Failure 271
- E.2 Running NTP in Debug Mode 274
- DEBUG supportusage: 275
- Palisade_receive events 279
- Installation, page 6-24 286
- E.4 Windows NT Administration 287
- E.5 Additional Information 289
- F.1 GPS Satellite Message 292
- F.2.2 Warm Start 294
- F.3 Position Accuracy 296
- F.4 Coordinate Systems 297
- F.5.1 Update Rate 298
- F.5.2 Dynamic Limits 298
- F.5.3 Re-Acquisition 298
- F.6 System Architecture 300
- Theory of Operation 302
- Reader Comment Form 319
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