CSI Wireless DGPS MAX Manuale utente

DGPS MAX

Reference Manual

Part Number 875-0034-001

Date: March 2004

DGPS MAX Reference Manual ii

No part of this manual may be stored in a retrieval system, transmitted, or

reproduced by any means, including, but not limited to photocopy,

photograph, digitizing, or otherwise, without the prior written permission

from CSI Wireless Inc.

Trademarks

The CSI Wireless logo and COAST™ are trademarks of CSI Wireless Inc.

All other trademarks are the property of their respective owners.

CSI Wireless Inc.

4110 9th Street SE

Calgary, Alberta, Canada T2G 3C4

Telephone number: +1-403-259-3311

Fax number: +1-403-259-8866

E-mail address: info@csi-wireless.com

Web Site: www.csi-wireless.com

DGPS MAX Reference Manual iii

CSI Wireless Inc. Limited Warranty

CSI Wireless Inc. (hereinafter referred to as "CSI Wireless") products are

warranted, subject to the conditions set forth herein below, against defects

in material and workmanship for a period of 12 months. Warranty

services will be provided through your CSI Wireless distribution center,

please contact them for shipping information. You must retain your proof

of purchase for warranty purposes.

Limitation of Liability

The Limited Warranty contained herein replaces all other warranties,

express or implied, including warranties of merchantability or fitness for a

particular purpose. CSI Wireless hereby disclaims and excludes all other

warranties. In no event shall CSI Wireless be liable for direct, indirect,

incidental, collateral or consequential damages of any kind, including but not

limited to damages resulting from installation or use, quality, performance,

or accuracy of CSI Wireless products. This warranty provides you with

your exclusive remedies for any breach in warranty.

Purchaser’s Exclusive Remedy

The purchaser’s exclusive remedy under this warranty shall be limited

to the repair or replacement, at the option of CSI Wireless, of any

defective part(s) of CSI Wireless receivers or accessories. Repairs

shall be made through a CSI Wireless approved service center only.

Unauthorized repairs to CSI Wireless products shall render this

warranty null and void.

Governing Legislation

This warranty shall be governed by the laws of the Province of Alberta,

Canada. This warranty gives you specific legal rights which may vary

DGPS MAX Reference Manual iv

with Province/State and Country, and accordingly, some limitations

may not apply to you.

Conditions

CSI Wireless does not warrant damage dueto misuse, abuse, improper

installation, neglect, lightning (or other electrical discharge) or fresh/salt

water immersion of CSI Wireless products. Repair, modification or service

of CSI Wireless products by unauthorized person(s) or party(s) shall

render this warranty null and void.

CSI Wireless does not warrant or guarantee the precision or accuracy of

positions obtained when using CSI Wireless products. Product accuracy

as stated in CSI Wireless literature and/or product specifications serves to

provide only an estimate of achievable accuracy based on:

nSpecifications provided by the US Department of Defense (US

DoD) for GPS Positioning,

nGPS OEM Receiver specifications of the appropriate

manufacturer (if applicable),

nDGPS service provider performancespecifications

CSI Wireless reserves the right to modify CSI Wireless products without

any obligation to notify, supply or install any improvements or alterations to

existing products.

DGPS MAX Reference Manual v

Table of Contents

List of Figures.............................................................................................................................xi

List of Tables............................................................................................................................xiii

Preface.......................................................................................................................................xv

Organization...................................................................................................................xvi

Customer Service.........................................................................................................xvii

World Wide Web Site...............................................................................................xviii

Document Conventions...............................................................................................xix

Notes, Cautions, and Warnings.................................................................................xix

1. Introduction ..................................................................................................................1

1.1 GPS...........................................................................................................................1

1.1.1 How it Works...........................................................................................1

1.1.2 GPS Services.............................................................................................2

1.2 Differential GPS......................................................................................................2

1.2.1 How it Works...........................................................................................2

1.2.2 Real-Time DGPS......................................................................................3

1.3 DGPS Format..........................................................................................................3

1.4 Factors Affecting Positioning Accuracy.............................................................4

1.5 DGPS MAX DGPS Services.................................................................................6

1.5.1 Wide Area Augmentation System (WAAS)........................................6

1.5.2 OmniSTAR Worldwide DGPS Service..............................................12

1.5.3 Radiobeacon DGPS...............................................................................15

1.6 DGPS Service Comparison ................................................................................18

1.7 DGPS MAX Receiver Information ....................................................................19

DGPS MAX Reference Manual vi

1.8 COAST™ Technology........................................................................................21

1.9 CDA-2MAX Antenna Information....................................................................21

2. Installation ...................................................................................................................23

2.1 System Parts List...................................................................................................23

2.2 Receiver Layout and Connections....................................................................23

2.3 Installing the DGPS MAX Receiver..................................................................24

2.3.1 Receiver Placement................................................................................24

2.3.2 Environmental Considerations............................................................25

2.3.3 Power Considerations...........................................................................25

2.3.4 Turning the DGPS MAX On...............................................................26

2.3.5 Grounding the DGPS MAX.................................................................26

2.3.6 Connecting the DGPS MAX To External Devices..........................27

2.4 Installing the CDA-2MAX Antenna..................................................................29

2.4.1 Antenna Placement To Optimize Beacon Reception......................30

2.4.2 Antenna Installation –1-14-UNS Threaded Mount........................30

2.4.3 Antenna Installation –Surface Mount................................................31

2.4.4 Routing and Securing the Antenna Cable.........................................32

2.4.5 Connecting the CDA-2MAX Antenna...............................................33

2.5 Mounting Accessories.........................................................................................33

2.5.1 Magnetic Mount......................................................................................33

2.5.2 Permanent Mount..................................................................................34

2.5.3 Survey Adapter.......................................................................................34

3. DGPS MAX Overview..............................................................................................35

3.1 GPS Operation.....................................................................................................35

3.1.1 Automatic Tracking...............................................................................35

3.1.2 Receiver Performance...........................................................................36

3.2 WAAS Operation................................................................................................36

DGPS MAX Reference Manual vii

3.2.1 Automatic Tracking...............................................................................36

3.2.2 Receiver Performance...........................................................................37

3.3 OmniSTAR Operation........................................................................................37

3.3.1 Automatic Tracking...............................................................................37

3.3.2 Receiver Performance...........................................................................38

3.4 Beacon Operation................................................................................................38

3.4.1 Tune Modes............................................................................................39

3.4.2 Receiver Performance...........................................................................41

3.5 Factory Default Parameters................................................................................41

4. DGPS MAX Architecture.........................................................................................43

4.1 Hardware...............................................................................................................43

4.2Firmware................................................................................................................44

4.3 Applications..........................................................................................................44

5. Operation....................................................................................................................45

5.1 Front Display and Keypad.................................................................................45

5.2 Navigating the Menu System..............................................................................45

5.3 Menu Access Icon................................................................................................46

5.4 Receiver Status Icons...........................................................................................46

5.4.1 Position Fix Status Icon.........................................................................46

5.4.2 WAAS Lock Icon ...................................................................................47

5.4.3 OmniSTAR Lock Icon ...........................................................................48

5.4.4 Beacon Lock Icon...................................................................................49

5.4.5 External DGPS Correction Source Icon............................................49

5.4.6 Autonomous Mode Icon.......................................................................50

5.5 DGPS MAX Menu System Overview...............................................................50

5.6 Start-Up Sequence...............................................................................................54

5.7 Signal Tracking Bar Chart..................................................................................55

DGPS MAX Reference Manual viii

5.7.1 WAAS Mode Bar Chart........................................................................55

5.7.2 OmniSTAR Mode Bar Chart................................................................56

5.7.3 Beacon Mode Bar Chart.......................................................................57

5.7.4 External RTCM Input Bar Chart.........................................................57

5.7.5 Autonomous Mode Bar Chart.............................................................58

5.8 Main Menu............................................................................................................58

5.9 GPS Menu..............................................................................................................59

5.9.1 GPS Position Status Menu....................................................................61

5.9.2 GPS Satellites Menu...............................................................................73

5.9.3 GPS Configure Menu.............................................................................75

5.10 WAAS Menu.........................................................................................................81

5.10.1 WAAS Signal Status Menu...................................................................82

5.10.2 WAAS Configure Menu........................................................................85

5.11 OmniSTAR Menu.................................................................................................85

5.11.1 OmniSTAR Signal Status Menu...........................................................86

5.11.2 OmniSTAR Configure Menu................................................................92

5.12 Beacon Menu........................................................................................................96

5.12.1 Beacon Signal Status Menu...................................................................97

5.12.2 Beacon Configure Menu.....................................................................101

5.13 External RTCM Menu.......................................................................................103

5.14 Autonomous Menu............................................................................................105

5.15 System Setup Menu............................................................................................106

5.15.1 Display Applications Menu................................................................108

5.15.2 Display Format Menu..........................................................................108

5.15.3 Baud Rates Menu.................................................................................110

5.15.4 Software Display Menu.......................................................................111

5.16 Configuring the Receiver..................................................................................113

DGPS MAX Reference Manual ix

5.16.1 Changing the Source of DGPS Corrections...................................113

5.16.2 Changing the Output Data Messages..............................................113

5.16.3 Changing the Baud Rates...................................................................114

5.16.4 Monitoring the OmniSTAR Subscription Status............................114

5.16.5 Tuning the Internal Beacon Sensor..................................................114

5.17 Firmware Updates..............................................................................................116

6. Configuration Wizard .............................................................................................117

6.1 Start-up Sequence..............................................................................................119

6.2 Using the Configuration Wizard After Start-up...........................................119

6.3 Selecting a Previously Saved Configuration ..................................................120

6.4 Bypassing a Configuration Step.......................................................................120

6.5 Completing the Step-by-Step Process............................................................120

6.6 Saving a Configuration......................................................................................121

7. NMEA 0183 Messages............................................................................................123

7.1 Description of NMEA 0183.............................................................................123

7.2 NMEA Message Elements.................................................................................123

7.3 DGPS MAX Serial Port Configuration...........................................................124

7.4 SLXMon................................................................................................................124

7.5 PocketMAX.........................................................................................................124

7.6 GPS NMEA Data Messages..............................................................................125

7.6.1 GGA Data Message.............................................................................125

7.6.2 GLL Data Message...............................................................................126

7.6.3 GSA Data Message..............................................................................127

7.6.4 GST Data Message...............................................................................128

7.6.5 GSV Data Message...............................................................................128

7.6.6 RMC Data Message..............................................................................129

7.6.7 RRE Data Message...............................................................................130

DGPS MAX Reference Manual x

7.6.8 VTG Data Message..............................................................................131

7.6.9 ZDA Data Message..............................................................................131

8. Troubleshooting.......................................................................................................133

Appendix A -Specifications.................................................................................................135

Appendix B -DGPS MAX Interface...................................................................................139

Appendix C –Activating the OmniSTAR DGPS Service..............................................143

Appendix D -Beacon Information .....................................................................................147

Appendix E -Post Processing.............................................................................................149

Further Reading......................................................................................................................151

Index .....................................................................................................................................153

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