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Trimble Outdoors 132RS User's Manual

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3. 85 Introduction s vios ue o i eee s l S 86 Problems and Solutions 86 Troubleshooting Flowcharts o 020000 92 System Hardware and Power Troubleshooting Flowchart 93 GPS Reception Troubleshooting Flowchart 94 OmniSTAR Troubleshooting Flowchart 95 Thales Troubleshooting Flowchart 96 DSM 132 132RS Receiver User Guide vii Contents viii Cables and Connectors 97 Introductions a meses a ed VE es 98 Port A and Port B Connectors 98 Standard Povver Data Cable 99 NMEA 0183 Messages 101 Introduction 4 ede A a adad A Se dl a l s d 103 NMEA 0183 Message Structure 104 Symbols and delimiters 105 Checksum Values 105 Field Tomase era A A we he 106 NUM tields 2 g se tse ed fe So d ee BS 106 Talker ID codes 106 Latitude and longitude values 107 Tame values ca kerrak ala exeun A Re d et eh yd 107 Reading NMEA string format 107 NMEA Message Summary 107 GGA GPS Fix Data 109 GEL Position Data 111 GRS GPS Range Residuals
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5. 112 GSA GPS DOP and Active Satellites 113 GST GPS PRN im s a E eet ieu eM eee We er 114 GSV GPS Satellites in View 115 MSS Beacon Receiver Signal Status 116 RMC Recommended Minimum Specific GPS Data 117 VTG Course Over Ground and Ground Speed 119 XTE Cross Track Error 120 ZDA Timeand Date Alar REA qs 120 PTNLEV Proprietary Event Marker 121 PTNLID Proprietary Trimble Receiver ID 122 PTNLDG Proprietary Trimble DGPS Receiver Status 123 PTNL GGK Time Position Position Type and DOP 124 DSM 132 132RS Receiver User Guide Contents PTNLSM Proprietary RTCM Special 125 Navigation Maps 127 DSM132 Menu Systm 128 Navigation map for DSM 132 Receiver Home Field Operations and Status menus 129 Navigation map for DSM 132 Receivers Configuration Ten ocio Rise eite wy o aps Ih endl we ne Go ee 130 Specifications 131 DMS 132 Recelyer ueri So xs a 132 Combined Antenna 132 GPS Channels 1 S ee Sole estes 133 Beacon Channels 133 L Band Satellite Differential Correction Receiver 134 Receiver Default Settings 134 WG O
6. 53 nttoduciuofi rode sone ad a de m s SV Gna aie aay lm 54 Display Options eh 54 Configuring the Communication Ports 57 Configuring input output communication 59 Configuring Differential GPS 62 Paid Subscription Services 63 DSM 132 132RS Receiver User Guide Contents OmniSTAR 2s e a mn 65 Thales vu n RARE URS p Op Me pde ms 67 WAAS EGNOS cotorra XB Rd yos s d 3 69 Configuring Beacon DGPS 70 Configuring Other DGPS Corrections 73 Configuring DGPS Base Station 73 Configure base station output settings 75 Base locations 14 a aa a daaa Be ya m k sla ret des 75 View location 76 Set trom heres LA rn vis ues 76 Edit base position 77 Set from averaged positions 77 Setting the base station mode 78 Setting the PRC mode 78 Activating Firmware Options 81 onset e dee oe te ard aye nokta a 82 Installing an Option aaa 82 Enter a password 82 Flash oader 00 emu es RASSE 83 Using an vods dee Bahr Re eeu 84 Fast Rate Output ceu AR a ee A RU ts ea 84 Troubleshooting
7. Press several times to return to the Home screen To configure the communication port 1 2050 Navigate to the Port A Config or Port B Config NMEA out screen Press to activate the cursor in the top line Press to move the cursor to the second digit Press A until ASAP appears Press to save the settings Press several times to return to the Home screen 84 DSM 132 132RS Receiver User Guide APPENDIX Troubleshooting In this appendix m introduction m Problems and Solutions m Troubleshooting Flowcharts DSM 132 132RS Receiver User Quide 85 A Troubleshooting Introduction This appendix describes some issues or problems that can occur and explains how to solve them It also contains a series of troubleshooting flowcharts to help in problem solving Problems and Solutions This table lists some problems that can occur and suggests possible solutions Problem issue Possible solution GPS Poor accuracy The accuracy of GPS positions is poor because the receiver is picking up poor quality signals from the satellites The receiver always calculates the most accurate position it can given the current GPS satellite differential operating conditions Change some or all of the following GPS settings Minimum elevation Increase the setting the default is 8 Minimum Signal Strength Increase the System Mask AMU setting the default is 3 Maximum PDOP Decrease the set
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10. TSIPI O Baud Rate 2400 38400 PPS pulse per second output 16 DSM 132 132RS Receiver User Guide Overview 2 Standard Features DSM 132RS A DSM 132RS system provides all the features of the DSM 132 except e 11 Geodetic antenna with ground plane is supplied e the 30 meter antenna cable is supplied e he RTCM SC 104 output base station corrections is available Receiver enhancements Table 2 1 lists the receiver options that you can purchase with the DSM 132 receiver Table 2 1 Receiver enhancement options Option PN Description Use Differential Outputs RTCM differential If a radio link is attached enables the Base Station corrections This option is installed receiver to broadcast corrections for 36429 30 in the DSM 132RS use by other DGPS receivers This provides submeter positioning EVEREST Reduces multipath interference Improves DGPS receiver accuracy Technology This option is installed in receivers 36429 20 with firmware version 1 73 and greater RTS CTS Provides hardware flow control When attached to third party modems Flow Control provides RTS CTS flow control for Negotiation correct operation 36429 50 DSM 132 132RS Receiver User Guide 17 2 18 Overview Receiver input output The DSM 132 standard power data cable PN 30945 connects to the receiver ports to supply power It also enables the following data exchanges ASCII TSIP and RTCM input fr
11. The maximum number of characters in each field is indicated above for example 25 bps displayed as xxx 25 xxx instead of xxx 00025 xxx If a channel is disabled the channel fields can be null fields showing commas only If more than one channel is available the message should be repeated for each channel This message can be enabled using TSIP If enabled it is output at the NMEA report rate Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of I Hz PTNL GGK Time Position Position Type and DOP The PTNL GGK message structure is PTNL GGK 172814 00 071296 3723 46587704 N 12202 26957864 W 3 06 1 7 EH 1 6 777 M 48 Table C 20 describes these fields Table C 20 PTNL GGK message fields Field In this appendix Description 1 UTC of position fix in hhmmss ss format 2 UTC Date of position in mmddyy format 3 Latitude in degrees and decimal minutes for example dddmm mmmmmmm 4 Direction of latitude N North S South 5 Longitude in degrees and decimal minutes for example dddmm mmmmmmm DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Table C 20 PTNL GGK message fields continued Field In this appendix Description 6 Direction of longitude E East W West GPS quality indicator 0 Fix not available or invalid 1 Autonomous GPS fix 4 Different
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13. DSM 132 132RS Receiver User Guide Standard Power Data Cable Table B 2 gives pin out information for the standard power data cable PN 30945 Cables and Connectors B Table B 2 Standard power data cable To receiver 7cond Tocomputer To DC power P1 connector cable P2 connector 2 conductor 12 pin female DE9 female cable Pin Signal Color Pin Signal Color Signal 1 Event In Black 4 DTR 2 TXD gt Orange 2 RXD 3 RXD Red 3 TXD 4 5 SIG GND Shield 5 SIG GND 6 RTS Yellow 8 RTS 8 CTS Green 7 CTS 9 71 PVVRON 101 V IN Red Red V IN 11 V IN Black Black V OUT 12 PPS Blue 9 PPS TPins 7 and 10 of the P1 connector are jumpered with a 5 kOhm 5 resistor DSM 132 132RS Receiver User Guide 99 B Cables and Connectors 100 DSM 132 132RS Receiver User Guide APPENDIX NMEA 0183 Messages In this appendix Introduction NMEA 0183 Message Structure NMEA Message Summary GGA GPS Fix Data GLL Position Data GRS GPS Range Residuals GSA GPS DOP and Active Satellites GST GPS PRN GSV GPS Satellites in View MSS RMC VTG Course Over Ground and Ground Speed XTE Cross Track Error ZDA Time and Date PTNLEV Proprietary Event Marker Beacon Receiver Signal Status Recommended Minimum Specific GPS Data DSM 132 132RS Receiver User Guide 101 C NMEA 0183 Messages PTNLID Proprietary Trimble Receiver ID PTNLDG Proprietary Trim
14. The Flash Progress dialog appears while FlashLoader100 attempts to find the receiver When FlashLoader100 finds the receiver the Enter Passwords dialog appears If FlashLoader100 cannot find the receiver check that the cables are properly connected and try again In the Enter Passwords dialog enter the 10 digit password into the first blank line If you have more than one option enter each password on a separate line Click OK The process takes a few seconds and a message appears when completed In the dialog that appears click Yes to continue When the successful operation message appears click OK The option is successfully installed DSM 132 132RS Receiver User Guide 83 6 Activating Firmware Options If any password operation fails FlashLoader100 displays a message that identifies the failed option Disconnect the receiver then reconnect it and try again For more information see FlashLoader100 page 91 If you are still unsuccessful contact your local Trimble Reseller for assistance Using an Option This section describes how to use AgRemote to configure the receiver for each option In each case first connect to the receiver and start AgRemote Fast Rate Output To configure the receiver 1 2 3 4 5 Navigate to the Configuration GPS Config Position Rate screen Press BY to activate the cursor Press EY or amp to set the output rate 1 2 5 or 10 Hz Press ES to save the settings
15. options Chapter 5 Configuring the Receiver describes how to configure the receiver using the menu system Using AgRemote To configure and monitor the receiver 1 Connect the receiver to the office computer running AgRemote See page 38 2 Switch on the receiver 3 Click then select Programs AgRemote AgRemote When the Home screen appears you can press ig or BY to access other screens in the AgGPS menu system XE Tip Use the navigation maps in Appendix D Navigation Maps as a reference when navigating the DSM 132 menu system 40 DSM 132 132RS Receiver User Guide The AgRemote keys Getting Started 4 The actions of the AgRemote keys depend on whether a menu or screen is displayed Table 4 1 describes the key actions Table 4 1 Key actions Key Action if menu displayed Action if screen displayed gt Return to the top of the menu when an From the Home screen change Satellite Exit screen appears after the last DGPS source mode screen in a menu From the Lock Display Cfg screen display the Enter Password screen From other screens perform an action associated with that screen m Move dovvn a menu level Move downward through the screens in a Display the first screen from a lower menus level menu Move downward through the list of options in multiple choice fields O Move up a menu level Move upward through the screens in a menu Move upward through the list of options in multi
16. 42 MHz C A code and carrier phase filtered measurements and multi bit digitizer Update rate Selectable 1 2 5 or 10 Hz output rate Differential speed accuracy 0 16 kph 0 1 mph Differential position accuracy Less than 1 m horizontal RMS if all the following criteria are met At least 5 satellites PDOP lt 4 RTCM SC 104 Standard format broadcast from a Trimble DSM 132RS or equivalent reference station Time to first fix NMEA messages lt 30 seconds typical GGA GLL GSR GSA GST GSV MSS PTNLDG PTNL PTNLEV PTNLID PTNLSM RMC VTG XTE ZDA TBy default the receiver is configured to output GGA GSA RMC and VTG messages at an 1 Hz 1 position second update rate Beacon Channels Table E 4 lists the characteristics of the beacon channels Table E 4 Beacon Channels Frequency range 283 5 kHz to 325 0 kHz Channel Spacing 500 Hz Beacon modulation 50 100 and 200 bits second Signal strength 10 uV meter minimum Dynamic range 100 dB Channel selectivity 70 dB gt 500 Hz offset DSM 132 132RS Receiver User Guide 133 E Specifications Table E 4 Beacon Channels continued Frequency offset 17 ppm maximum 3rd order intercept 15 dBm RF input min AGC setting Beacon acquisition time lt 5 seconds typical Operating modes Auto Power Auto Range and Manual L Band Satellite Differential Correction Receiver Table E 5 lists the characteris
17. 6 dg 8 From the DGPS Config screen press Ifl until the Thales Stn screen appears Press BY to activate the cursor Press Y until Use Manual Mode appears Press Kg to save the changes Press Kl until Thales Man Stns appears Press BY to activate the cursor Press until the correct station appears for the satellite beam you are using Trimble strongly recommends the stations listed below If you are using the with this select this satellite beam frequency reference station North American West 1556 255 565 North American Mountain 1554 350 555 North American East 1553 345 555 Note Before you can select a reference station you must have a current subscription to the Thales DGPS service Press Kg to save the changes 68 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 WAAS EGNOS WAAS EGNOS is a free satellite based DGPS service that is available only in North America WAAS or Europe EGNOS To use the WAAS EGNOS DGPS signal you must first configure the receiver To configure the receiver to use WAAS EGNOS DGPS 1 4 From the DGPS Config menu press R until the DGPS Source screen appears Press BY to activate the cursor Press until WAAS EGNOS ONLY appears Press ES to save the changes To enable the WAAS EGNOS DGPS signal 1 2 3 4 2 Press Kl until the WAAS EGNOS T2 Remap screen appears Press BY to activate the cursor Press
18. Beacon DGPS Configuring Other DGPS Corrections Configuring DGPS Base Station DSM 132 132RS Receiver User Guide 53 5 54 Configuring the Receiver Introduction The Display Options Satellite Differential Source and Port Communication parameters must be specific to your particular use so they are not preset You only need to configure the receiver once as the settings you choose are saved to permanent memory Tip Refer to Appendix D Navigation Maps while navigating the DSM 132 menu system To change the receiver configuration settings connect the receiver to AgRemote For more information see Getting Started page 35 The following sections describe how to change the receiver settings Display Options Use the Display Options menu to control how information is displayed in the screens that you can access from the Field Operations Status and Configuration menus To view the Display Options menu From the Home screen see page 46 press NA DSM 132 132RS Receiver User Guide Configuring the Receiver 5 Setting the language To change the language used for display 1 Navigate to the Language screen Press BY to select the Language field Press ES or A until the required language is displayed Press ES to select it and save the changes Qn ce e Sad Press to return to the Display Options menu The screen automatically displays the selected language Setting the units The Units scree
19. Messages beginning with PTNL are Trimble proprietary messages Table C 5 NMEA message summary Message Message Contents GGA GPS Fix Data GLL Position Data Time position and fix related data Position fix time of position fix and status GRS GPS Range Residuals GPS range residuals GSA GPS DOP and Active Satellites GPS position fix mode SVs used for navigation and DOP values GST GPS PRN GPS Pseudorange Noise PRN statistics GSV GPS Satellites in View Number of SVs visible PRN numbers elevation azimuth and SNR values MSS Beacon Receiver Signal Status Signal strength signal to noise ratio beacon frequency and beacon bit rate RMC Recommended Minimum Specific GPS Data VTG Course Over Ground and Ground Speed UTC time status latitude longitude speed over ground SOG date and magnetic variation of the position fix Actual track made good and speed over ground XTE Cross Track Error Cross track error ZDA Time and Date PTNLDG Proprietary Trimble DGPS Receiver Status UTC time day month and year local zone number and local zone minutes Beacon channel strength channel SNR channel frequency channel bit rate channel number channel tracking status RTCM source and channel performance indicator PTNLEV Proprietary Event Marker Time event number and event line state for time tagging change of state on an event
20. com support html Your Comments Your feedback about the supporting documentation helps us to improve it with each revision E mail your comments to ReaderFeedback trimble com If you have a problem and cannot find the information you need in the product documentation contact your local Trimble Reseller DSM 132 132RS Receiver User Guide CHAPTER Overview In this chapter m Introduction m The DSM 132 Receiver m Differential GPS DGPS DSM 132 132RS Receiver User Guide 13 2 Overview Introduction This chapter describes the DSM 132 receiver and gives an overview of GPS DGPS and related information For details of the receiver physical specifications see Appendix E Specifications The DSM 132 Receiver The DSM 132 receiver combines high performance GPS reception with a DGPS capable receiver in a lightweight durable waterproof housing The DSM 132 receiver also contains technology which enables WAAS EGNOS OmniSTAR Thales or Coast Guard Beacon MSK real time differential capabilities See Figure 2 1 When the connections described above are not available the DSM 132RS receiver has the capability to be used as a base station for the generation of Differential GPS DGPS corrections A radio link is needed to broadcast the corrections to rover DSM 132 units 14 DSM 132 132RS Receiver User Guide Overview 2 Figure 2 1 DSM 132 receiver As part of a marine construction or survey system the receiver provide
21. example shown in Figure C 5 Table C 3 Fields in an NMEA 0183 message ZDA Field Data Description 1 220320 0 Time in UTC 2 26 Day 01 to 31 3 06 Month 01 to 12 4 1997 Year 5 5 Local time zone offset from GMT in hours 00 to 13 hours 6 15 Local time zone offset from GMT in minutes Fields 5 and 6 together give the total offset Local time is 5 hours and 15 minutes earlier than GMT Symbols and delimiters All messages follow the NMEA 0183 Version 2 1 format in which symbols and delimiters identify or separate the message data NMEA 0183 messages always begin with a dollar sign followed by a talker ID code for example GP and a message ID code for example ZDA end with a carriage return and line feed Checksum values Newer Trimble receivers conform to the NMEA 0183 Version 2 1 format in which checksums are mandatory for all messages DSM 132 132RS Receiver User Guide 105 C NMEA 0183 Messages The checksum is calculated from all characters in the message including commas but excluding the and delimiters The hexadecimal result is converted to two ASCII characters 0 9 A F of which the most significant appears first Field formats The data values output by Trimble AgGPS receivers meet the NMEA 0183 Version 2 1 standard Null fields If a message contains a fixed number of fields null empty fields are included if no data is available
22. input line 108 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Table C 5 NMEA message summary continued Message Message Contents PTNL GGK Time Time Position Position Type and DOP values Position Position Type and DOP PTNLID Proprietary Receiver machine ID product ID major and minor release Trimble Receiver ID numbers and firmware release date PTNLSM Proprietary Reference Station Number ID and the contents of the Special RTCM Special Message included in valid RTCM Type 16 records All messages in this appendix are presented in the format shown in Table C 3 In each example the structure is shown in the paragraph before the table GGA GPS Fix Data The GGA message contains the time position and fix related data The GGA message structure is GPGGA 151924 3723 454444 N 12202 269777 W 2 09 1 9 17 49 M 25 67 M 1 0000 57 Table C 6 describes these fields Table C 6 GGA message fields Field Description 1 UTC of position fix in HHMMSS SS format 2 Latitude in DD MM MMMM format 0 7 decimal places 3 Direction of latitude N North S South 4 Longitude in DDD MM MMMM format 0 7 decimal places DSM 132 132RS Receiver User Guide 109 C NMEA 0183 Messages Table C 6 GGA message fields continued Field Description 5 Direction of longitude E East W West 6 GPS Quality indicator 0 fix not valid 1 GPS fix 2 DGPS fix 7 Number
23. of SVs in use 00 12 8 HDOP 9 Antenna height MSL reference 10 M indicates that the altitude is in meters 11 Geoidal separation 12 M indicates that the geoidal separation is in meters 13 Age of differential GPS data record Type 1 Null when DGPS not used 14 Base station ID 0000 1023 110 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C GLL Position Data The GLL message specifies the position fix time of position fix and status The GLL message structure is GPGLL 3723 4543 N 12202 2696 W 151933 A 3E Table C 7 describes these fields Table C 7 GLL message fields Field Description 1 Latitude in dd mm mmmm format 0 7 decimal places 2 Direction of latitude N S South Longitude in ddd mm mmmm format 0 7 decimal places Direction of longitude E East W West UTC of position in hhmmss ss format Fixed text A shows that data is valid DSM 132 132RS Receiver User Guide 111 C 0183 Messages GRS GPS Range Residuals The GRS message is used to support the Receiver Autonomous Integrity Monitoring RAIM The GRS message structure is GPGRS 220320 0 0 0 8 0 2 0 1 0 2 0 8 0 6 55 Table C 8 describes these fields Table C 8 GRS message fields Field Description 1 UTC time of GGA position fix 2 Residuals 0 Residuals used to calculate position given in the matching GGA line 1 Residuals
24. ordered 27 Mounting the Receiver and Antema 27 Choosing a location 27 DSM 132 132RS Receiver User Guide v Contents vi The receiver 2l do ek SE ae 28 The ant nna eses een eG Bld x e dps ese 28 Environmental conditions 29 Electrical interference 29 Routing and Connecting the Antenna Cable 30 Connecting to an External Device 32 Laptop Computer ie sic Ha od Ana Make oie as E Y mp eu 34 Getting Started 35 Introductions yua a ie asas E db ri AE dra athe da 36 Front Panel sos aese ey ya BE Pe a EO ES 36 Installing AgRemote 37 The AgRemote Menu System 40 Using AgRemote uds heo ak s Es We i 40 The AgRemote keysa xoxo So SE R ioe R Beas 41 Navigating the Menus and Screens 42 Menu System Fields 44 Display only fields 44 Multiple choice fields 44 Alpha numeric and alphanumeric fields 45 The Home Screen saii o s era Eo ab z dra tae ha kes db es 46 Satellite DGPS mode 47 Satellite and VVAAS EGNOS DGPS mode 47 Beacon DGPS mode 50 Updating the Firmware 51 Configuring the Receiver
25. output Use this screen to select the NMEA messages output from the current port Only upper case NMEA message types are output The default messages are GGA GSA VTG and RMC DSM 132 132RS Receiver User Guide Configuring the Receiver 5 To select the NMEA messages for output 1 From the Port A Config menu press Ifl until the NMEA7 screen appears 2 Press to activate the cursor on the first NMEA message type 3 Press EY or E until the NMEA message type appears in upper case 4 Press BY to select the next message type 5 Repeat steps 4 and 5 until all the message types that you want to output appear in upper case 6 Press SH to save the changes 7 Repeat this operation as required in the other NMEA screens For detailed information about the content and structure of NMEA messages see Appendix C NMEA 0183 Messages Port output rate Use the Message Rate screen to vary the NMEA and TSIP output rate The default setting is 01 1 Hz or 1 position per second You can select faster output rates such as 2 5 or 10 positions per second Note Select ASAP if you want the output rate to be the same as the output rate selected on the Position Rate screen under the GPS Config menu DSM 132 132RS Receiver User Guide 61 5 Configuring the Receiver To set the NMEA TSIP message output rate 1 From the Port A Config menu press Il until the Message Rate screen appears To set the NMEA output r
26. output the combined NMEA string NMEA must be selected as the output protocol on Port B TEXTA See the description for the TEXTB setting TEXTA outputs on Port A not Port B RTCM The receiver can accept RTCM data from an external DGPS device such as an FM pager or DSM 132RS and radio data link TSIP The receiver can accept or output TSIP data packets from the port when using the optional AgRemote program or HYDROpro software LBAR Not used for marine applications The default values for the other port settings are Port A Port B Baud rate In RTCM 9600 Out NMEA 4800 Data bits 8 8 Parity None None Stop bits 1 1 DSM 132 132RS Receiver User Guide 59 5 60 Configuring the Receiver When setting the baud rate note the following If you are using 19 2 k or 38 4 k the input rate must match the output rate If Port A is operating at 19 2 k Port B can operate at 1200 2400 9600 or 19 2k not 38 4 k If Port B is operating at 38 4k Port A can operate at 1200 2400 9600 and 38 4k not 19 2k To change the input or output settings 1 SDA a PS om From the Port A Config screen press R until the Port A Input Output screen appears Press to activate the cursor Press or Y to change the value Press 3 Repeat steps 3 and 4 until you have set all the required values Press to save all the changes Press NW to move to the next screen Selecting NMEA messages for
27. the contents of this NM EA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of 1 Hz DSM 132 132RS Receiver User Guide 115 C NMEA 0183 Messages MSS Beacon Receiver Signal Status The MSS message identifies the status of the beacon signal including the beacon signal strength beacon signal to noise ratio SNR beacon frequency and beacon bit rate The MSS message structure is GPMSS 52 5 23 7 287 0 100 4C Table C 12 describes these fields Table C 12 MSS message fields Field Description 1 Signal strength SS dB ref 1 vV m Signal to Noise Ratio SNR dB Beacon frequency 283 5 325 0 kHz 2 3 4 5 Beacon bit rate 25 50 100 200 bits per second Channel number Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of 1 Hz 116 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C RMC Recommended Minimum Specific GPS Data The RMC message identifies the UTC time status latitude longitude speed over ground SOG date and magnetic variation of the position fix The RMC message structure 1s GPRMC 184804 00 A 3723 476543 N 12202 239745 W 000 0 0 0 051196 15 6 E 7C Table C 13 describes these fields Table C 13 RMC message fields Field Description 1 Time UTC time of
28. the port communication settings to NMEA output For more information see Configuring the Communication Ports page 57 88 DSM 132 132RS Receiver User Quide Problem issue Troubleshooting A Possible solution Interference Strong magnetic fields Strong magnetic fields have no effect on GPS or satellite DGPS signals However some computers and other electric equipment radiate electromagnetic energy that can interfere with a GPS receiver If you suspect interference from a local magnetic field move the receiver away from or turn off the suspect electronics while observing the GPS receiver s number of satellites being tracked or satellite s signal to noise ratio FM 2 way radios Transmitting FM 2 way radios can interfere with OmniSTAR Racal WAAS and GPS signal reception Make sure that there is at least 1 m 3 ft between the FM 2 way radio antenna and the receiver Engine Noise An unshielded ignition system can cause enough noise to block reception of a beacon signal Use resistor spark plug wires on the ignition system of the vessel An alternator can cause noise that interferes with a beacon signal Use bypass capacitors commonly available in automotive stores for cleaning up interference to CB and other radios If the problem persists shield engine components with aluminum foil Relocate the antenna on the machine Determine the optimal antenna location by watc
29. this appendix m DMS 132 Receiver m Combined Antenna m GPS Channels m Beacon Channels m L Band Satellite Differential Correction Receiver m Receiver Default Settings DSM 132 132RS Receiver User Guide 131 E Specifications DMS 132 Receiver Table E 1 lists the characteristics of the DSM 132 Table E 1 DMS 132 Receiver characteristics Size 14 5 cm W x 5 1 cm H x 19 5 cm D 5 7 in W x 2 0 in H x 7 7 in D Weight 0 76 kg 1 68 Ib Power 7 Watts max 10 32 VDC Operating temperature 20 C to 65 C 4 F to 149 F Storage temperature Humidity 30 C to 85 C 22 F to 185 F 100 condensing unit fully sealed Casing Dust proof waterproof shock resistant Combined Antenna Table E 2 lists the physical characteristics of the combined antenna 132 Table E 2 Combined antenna characteristics DSM 132 Receiver Size 15 5 cm D x 14 0 cm H 6 1 in D x 5 5 in H Weight 0 55 Kg 1 2 Ib Operating temperature 30 C to 65 C 22 F to 149 F Storage temperature 40 C to 80 C 40 F to 176 F Humidity 10096 condensing unit fully sealed Casing Dust proof waterproof shock resistant DSM 132 132RS Receiver User Guide Specifications E GPS Channels Table E 3 lists the performance characteristics of GPS channels Table E 3 GPS channels performance characteristics General 12 channel parallel tracking L1 1571
30. 4 8 GPS status indicators Satellite DGPS indicators Figure 4 8 Home screen You can leave this screen running during operation It enables you to monitor the receiver status To return to the Home screen after viewing other receiver menus and screens press ff one or more times As the DSM 132 is a combined Beacon and Satellite DGPS receiver the information that appears on the Home screen depends on how the receiver is configured 46 DSM 132 132RS Receiver User Guide Getting Started 4 Satellite DGPS mode In this manual references to Satellite DGPS apply only to the DSM 132 receiver When the receiver is in Beacon DGPS mode a B Beacon Searching Beacon Tracking or Beacon FFT message appears in the lower left corner of the screen To change between modes press and hold for five seconds To display satellite differential information press until an S appears in the lower left corner of the screen Satellite and WAAS EGNOS DGPS mode The DSM 132 can receive Beacon L band and WAAS EGNOS DGPS signals The Home screen indicates which mode the receiver is in for differential correction Figure 4 9 explains the GPS status indicators that can appear on the first line of the Home screen display L Current PDOP value L Number of GPS satellite vehicles SVs being tracked Position Type Figure 4 9 GPS status DSM 132 132RS Receiver User Guide 47 4 Getting Started Table 4 2 explains
31. 4 998 v se s1eedde usaJos oju MS ON inq si peus sajey eu sejeu auy o ayebinen Esouayes y y oN 1 1seo ye nok aly oN uond o l Sd9 xoeuo pue 2899 10 eBe you s eui S WOH o aiou Jo 01 9490 eui m5 SI usajos you s jo d o aby eui xoe ay o jewod urejureui nq mEn zu z 1019841 10 euiquuoo euibue sel sepeu eui Buuepieyur euiuoeui eu JO WNL ueis s v Bulyeayoe UM eouejsisse JO Se eu 1061 peA osejun SI eu y A ON umoyun Sseoov Aejdsip u l s ay s oq A ON pajqeuzg s sn Aejdsip seog ueeJos Mg Sejeu au yo uo e20 Jno joejuoo 61616 w jqord au y Anoeuoo sseadde wajs s ey f SOA uoyisod qe aga Aejdsip mou uee1os euioH ejoueu6y JO J9Al9291 BY 5000 ejnuiu euo 11544 A S K painBiyuoo poeuoo pue si uonduosqns sajey Jno yey euns SALIA eq Aew Buruyjeuos Jou JO 9 asiou o eufis N S eu s ul5u ns peubis lill yes Jo uoeJos WOH eui 49949 ON Spou Ajuo eyije1es sdod do S ejdsip euioH ejoue
32. Base Stn Config menu 75 78 Base Stn Config screen 76 78 beacon 3rd order interception 134 channel selectivity 133 channel spacing 133 dynamic range of 133 modes 71 Beacon Channel 0 72 Beacon Channel 1 73 beacon DGPS 22 C cable data interface 99 Windows CE 34 Windows CE with cigarette power adaptor 34 characteristics beacon channels 133 L band receiver 134 clearing battery backed RAM 56 COM port 91 Config Port B menu 74 configuration port output rate 61 WAAS DGPS 69 Configuration menu 54 57 Configuration menus locking 56 configuring DGPS configuration 62 DGPS Source screen 70 Display Options menu 55 DSM 132 53 EZ Ben 72 EZ Bcn 1 72 Man Bcn Freqs 72 satellite subscription service 64 connecting antenna cable 30 optional VVindovvs CE cable 34 optional VVindovvs CE vvith cigarette povver adaptor cable 34 Index D D 2D position type 48 D 3D position type 48 datum WGS 84 76 DGPS 19 DGPS accuracy 20 DGPS Config menu 63 69 DGPS Config screen 64 66 68 DGPS configuration 62 DGPS mode 86 DGPS satellite 23 DGPS Source screen 69 70 DGPS beacon 22 differential base station 17 differential base station option 82 differential GPS see DGPS Display Options 43 54 Clear BB RAM screen 56 DSM 132 receiver accuracy of 15 configuring 53 connections 18 features of 16 input ASCII TSIP RTCM 18 overview 13 14 physical characteristics 132 134 receiver options 17 standard features 16 DSM 132RS correction
33. DSM 132 132RS Receiver User Guide Version 1 73 Revision A os Part Number 50979 00 ENG Trimble December 2003 Contact Information Trimble Construction Instruments Division 5475 Kellenburger Road Dayton Ohio 45424 1099 USA 800 538 7800 toll free in USA 1 937 233 8921 Phone 1 937 233 9004 Fax www trimble com Copyright and Trademarks 1999 2003 Trimble Navigation Limited All rights reserved Trimble the Globe amp Triangle logo the Sextant logo with Trimble and AgGPS are trademarks of Trimble Navigation Limited registered in the United States Patent and Trademark Office and other countries DSM EVEREST HYDROpro and TMS are trademarks of Trimble Navigation Limited Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries All other trademarks are the property of their respective owners Release Notice This is the December 2003 release Revision A of the DSM 132 Receiver User Guide part number 50979 00 ENG It applies to version 1 73 of the DSM 132 receiver The following limited warranties give you specific legal rights You may have others which vary from state jurisdiction to state jurisdiction Hardware Limited Warranty Trimble Navigation Limited warrants that this hardware product the Product will perform substantially in accordance with published specifications and be substantially fre
34. EGNOS DGPS modes Table 4 4 Signal to noise values Value Description Below 4 Unusable 4 8 Fair gt 8 Excellent WAAS EGNOS DGPS mode status indicators When the receiver is in WAAS EGNOS DGPS mode the second line of the Home screen displays the status indicators shown in Figure 4 11 Signal to noise ratio of DGPS signal see Table 4 4 WAAS satellite ID Receiver is using WAAS EGNOS corrections Figure 4 11 WAAS DGPS mode status indicators DSM 132 132RS Receiver User Guide 49 4 Getting Started Beacon DGPS mode When in Beacon DGPS mode the Home screen displays B Beacon DGPS in the lower left corner Figure 4 12 explains the status indicators that appear on the first line of the Home screen display when the receiver is in this mode L The beacon signal to noise ratio S N values range from 0 to 30 High numbers are best Above 6 is acceptable The beacon frequency Frequency varies depending upon the beacon used The beacon operating mode Indicates the receiver is using beacon DGPS Figure 4 12 Beacon DGPS status Table 4 5 describes messages that can appear when the receiver is in Beacon DGPS mode Table 4 5 Beacon DGPS operating mode messages Message Description B The receiver is operating in Beacon mode Beacon Searching The receiver is searching for beacon signals Beacon Tracking The receiver is tracking beacon signals and is attemptin
35. HAS BEEN ADVISED OF THE POSSIBILITY OF ANY SUCH LOSS AND REGARDLESS OF THE COURSE OF DEALING WHICH DEVELOPS OR HAS DEVELOPED BETWEEN YOU AND TRIMBLE BECAUSE SOME STATES AND JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES THE ABOVE LIMITATION MAY NOT APPLY TO YOU NOTE THE ABOVE LIMITED WARRANTY PROVISIONS MAY NOT APPLY TO PRODUCTS OR SOFTWARE PURCHASED IN THE EUROPEAN UNION PLEASE CONTACT YOUR TRIMBLE DEALER FOR APPLICABLE WARRANTY INFORMATION Notices Class B Statement Notice to Users This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communication However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the recei
36. IDED AS IS AND WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND BY EITHER TRIMBLE NAVIGATION LIMITED OR ANYONE WHO HAS BEEN INVOLVED IN ITS CREATION PRODUCTION INSTALLATION OR DISTRIBUTION INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TITLE AND NONINFRINGEMENT THE STATED EXPRESS WARRANTIES ARE IN LIEU OF ALL OBLIGATIONS OR LIABILITIES ON THE PART OF TRIMBLE ARISING OUT OF OR IN CONNECTION WITH ANY PRODUCTS OR SOFTWARE SOME STATES AND JURISDICTIONS DO NOT ALLOW LIMITATIONS ON DURATION OR THE EXCLUSION OF AN IMPLIED WARRANTY SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU TRIMBLE NAVIGATION LIMITED IS NOT RESPONSIBLE FOR THE OPERATION OR FAILURE OF OPERATION OF GPS SATELLITES OR THE AVAILABILITY OF GPS SATELLITE SIGNALS Limitation of Liability TRIMBLE S ENTIRE LIABILITY UNDER ANY PROVISION HEREIN SHALL BE LIMITED TO THE AMOUNT PAID BY YOU FOR THE PRODUCT OR SOFTWARE LICENSE TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW IN NO EVENT SHALL TRIMBLE OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHATSOEVER UNDER ANY CIRCUMSTANCE OR LEGAL THEORY RELATING IN ANY WAY TO THE PRODUCTS SOFTWARE AND ACCOMPANYING DOCUMENTATION AND MATERIALS INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION OR ANY OTHER PECUNIARY LOSS REGARDLESS WHETHER TRIMBLE
37. K o a a AA s A DAC E XL UR 137 DSM 132 132RS Receiver User Guide ix Contents x DSM 132 132RS Receiver User Guide CHAPTER Welcome This manual describes how to install and configure the DSM 132 receiver It provides guidelines for using the AgRemote utility to view and configure receiver DGPS and communication operating parameters The manual also provides guidelines for connecting the receiver to a variety of external devices information about NMEA messages supported by the receiver and pin out diagrams for data cable connections Even if you have used other Global Positioning System GPS products before Trimble recommends that you spend some time reading this manual to learn about the special features of this product If you are not familiar with GPS go to the Trimble website www trimble com for an interactive look at Trimble and GPS Related Information Other sources of related information are Release notes the release notes describe new features of the product information that is not included in the manuals and any changes to the manuals You can download release notes from the Trimble website DSM 132 132RS Receiver User Guide 11 1 12 Welcome Technical Assistance If you have a problem and cannot find the information you need in the product documentation contact your local dealer Alternatively do one of the following e Request technical support using the Trimble website at www trimble
38. Kl until On appears Press i to save the changes To enable WAAS reception in the field 1 Take the receiver outside Make sure that it has a clear southeast and southwest view of the sky Switch on the receiver WAAS activation can take two or more minutes DSM 132 132RS Receiver User Guide 69 5 Configuring the Receiver 3 Once activation succeeds the Home screen displays D 3D Configuring Beacon DGPS DSM 132 receivers are configured by default to use WAAS EGNOS in Auto Range DGPS mode To change a DSM 132 receiver to Satellite DGPS mode see page 66 Select the frequency of the channels to be used when receiving RTCM SC 104 broadcasts from radiobeacons 1 Navigate to the DGPS Source screen 2 Ifthe screen does not display Beacon Only press to select the Data Source field Then press R until Beacon Only appears Press ES to save the changes 4 Press until the Beacon Mode screen appears 70 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 5 Press BY to activate the cursor Press fg until the required beacon mode appears See Table 5 7 Table 5 7 Beacon modes Mode name Description Auto Range mode Reads the incoming RTCM SC 104 message stream and selects the two closest radiobeacons within range of the AgGPS receiver The closest radiobeacon is automatically assigned to Beacon DGPS Channel 0 and the second closest is assigned to Channel 1 Auto Power mod
39. The receiver is searching for a satellite or beacon signal Check the cable connections at the receiver and antenna DSM 132 132RS Receiver User Quide 87 A Troubleshooting Problem issue Possible solution Tracking but not receiving a differential signal The receiver is tracking satellites and tracking an OmniSTAR or Thales satellite beam but is not receiving DGPS signals You need to check that your DGPS service subscription is still current and enabled For OmniSTAR service 1 Navigate to the Omni Srv Info screen and press until Stop Date appears 2 If the message Access Unknown appears contact OmniSTAR to reactivate your subscription For Thales service 1 Navigate to the Thales Srv Info screen and press once 2 If the message Access Unknovvn appears contact Thales to reactivate your subscription For more information see Paid Subscription Services page 63 The receiver must be switched on and configured to track the correct satellite coverage beam before it can be reactivated When a satellite subscription is activated the Home screen displays D 3D No GPS position output from the receiver after connecting to AgRemote When the receiver is connected to AgRemote the port communication settings are automatically reset to TSIP 8 O 1 for both input and output However most devices and software programs accept NMEA 4800 8 N 1 output as standard Connect AgRemote Then reset
40. These fields are usually reserved for data that is transmitted on a periodic or irregular basis Talker ID codes Talker ID code identifies the source of the data for example GPS Loran C or Sounder Table C 4 describes the Talker ID codes that are available for NMEA 0183 output from most Trimble receivers Table C 4 Supported Talker ID codes Code Description GP GPS LG Loran C GPS LC Loran C Il Integrated Instrumentation 106 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Latitude and longitude values The latitude and longitude values in NMEA 0183 messages are presented in degrees minutes and decimal minutes in a single field e Jatitude ddmm mmmm e longitude dddmm mmmm Latitude and longitude direction values are sent in a separate field as N S E or W Time values Time values in Universal Time Coordinated UTC are presented in hhmmss ss format where hh is hours 00 23 mm is minutes and ss ss is seconds and fractions of seconds Reading NMEA string format Be aware that NMEA strings can be of varying length depending on how the receiver is configured Comma delimited parsing is recommended NMEA Message Summary Table C 5 describes the NMEA 0183 message set that is supported by the DSM 132 receivers Note Some messages are only supported when specific Trimble options are installed on the receiver DSM 132 132RS Receiver User Guide 107 C NMEA 0183 Messages
41. When this happens the receiver starts to use the default configuration settings Contact your local Trimble reseller for replacement batteries Factory defaults You need to restore the receiver factory defaults To restore receiver factory default settings 1 Connect the receiver to an office computer and switch it on Run AgRemote Navigate to the Clear BB RAM screen Press until Yes appears 5 Press fg The factory default settings are restored The DGPS service subscription is not lost See page 63 Pecks 90 DSM 132 132RS Receiver User Quide Troubleshooting A Problem issue Possible solution FlashLoader100 The FlashLoader100 upgrade utility Make sure that cannot detect the receiver or the receiver is using the latest firmware version download the firmware the receiver is connected to a 12 32 VDC power Source all cables are connected correctly between the device and the office computer FlashLoader100 is attempting to connect to the correct device From the FlashLoader100 menu select Options Settings Then select the Receiver check box the receiver is connected to the correct office computer COM port From the FlashLoader100 menu select Options Settings Then select the check box for the required COM port other programs are not using the same COM port as the office computer Once you have checked this switch off the receiver then switch it on again T
42. a known point This receiver is used to determine GPS signal measurement errors One or more mobile receivers called rovers collect data at unknown locations while remaining within range of the reference station The reference station broadcasts correction values which are applied to the receiver positions In this way errors common to the reference and rover receivers are corrected For more information about DGPS and the different DGPS signals available visit the Trimble website www trimble com gps dgps html Sources of GPS error Autonomous GPS only horizontal accuracy for the Trimble DSM 132 receiver ranges from approximately 2 9 meters about 6 30 ft The errors that cause this reduced accuracy are produced mainly by atmospheric conditions multipath error that is GPS signals bouncing off objects before reaching the antenna and electronic or GPS frequency noise interference DGPS removes most of the errors caused by atmospheric conditions errors which are further minimized by the advanced design of the DSM 132 receiver For more information see the section on Error Correction on the Trimble website at www trimble com gps errors1 html DSM 132 132RS Receiver User Guide 19 2 Overview DGPS accuracy Table 2 2 Submeter accuracy from the DSM 132 receiver utilizing differential correction is best achieved under the conditions described in Table 2 2 DGPS accuracy Condition Optimum Value Descript
43. ales www landstar dgps com WAAS http gps faa gov Programs WAAS waas htm e EGNOS www esa int export esaS A DSM 132 132RS Receiver User Guide 23 2 Overview Receiving DGPS Corrections from Other Sources The DSM 132 can also receive RTCM SC 104 corrections from sources such as AM FM carrier services Your own radio data link from a DSM 132RS reference station Generating DGPS Corrections In locations where MSK beacons or WAAS EGNOS are not available or if you decide not to subscribe to L band correction services you can install your own reference station and broadcast your own corrections The DSM 132RS or the firmware option for the DSM 132 allow corrections to be generated A radio data link UHF VHF and so on is required to transmit the corrections 24 DSM 132 132RS Receiver User Guide CHAPTER Installing the Receiver In this chapter System Components Mounting the Receiver and Antenna Routing and Connecting the Antenna Cable Connecting to an External Device Laptop Computer DSM 132 132RS Receiver User Guide 25 3 Installing the Receiver System Components Check that you have received all the appropriate components for the DSM 132 system that you have purchased If any containers or components are damaged immediately notify the shipping carrier or Trimble Construction Division at the address given in the front of this manual Components for each system are listed in the following ta
44. arying degrees by e natural noise such as lightning human made noise such as alternators electric fan motors radio speakers and high voltage power lines Sky wave interference with ground wave DSM 132 132RS Receiver User Guide Overview 2 During darkness when the beacon tower is more than 240 480 kilometers 150 300 miles from the receiver the sky wave beacon signal may be reflected off the ionosphere This causes interference with the ground wave beacon signal Self jamming at night may be a problem with stronger beacon stations Geographic de correlation This phenomenon causes radiobeacon signal accuracy to decrease as the distance between the beacon tower and the base station increases Ionospheric conditions can affect accuracy by as much as 1 meter 3 feet for every 100 km 60 miles Receiving satellite DGPS The DSM 132 receiver supports subscription based OmniSTAR and Thales satellite differential technology Contact the service provider for service activation or an encrypted activation passcode Note For the DSM 132 to operate with these corrections you must subscribe to one of these services The service provider may set geographic limits on the use of its service In addition the WAAS EGNOS service is available free in North America and Europe For more information see Configuring Differential GPS page 62 or go to the following websites OmniSTAR www omnistar com e Th
45. ast or pole e in such a way that it is not damaged when you sail under a bridge Do not mount the antenna close to stays electrical cables metal masts CB radio antennas cellular phone antennas air conditioning units active TV antennas or machine accessory lights DSM 132 132RS Receiver User Guide 27 3 Installing the Receiver near transmitting antennas radar arrays or satellite communication equipment near areas that experience high vibration excessive heat electrical interference and strong magnetic fields The receiver To mount the DSM 132 receiver 4 Drill four holes in the mounting surface Use the slotted holes in the mounting brackets as a template 5 Use screws to secure the brackets to the mounting surface Note If you use machine screws tap the mounting holes to fasten the receiver to the mounting surface Trimble recommends that you use 6 32 UNF socket head cap screws Alternatively use self tapping screws The antenna Mount the GPS antenna so that it has a clear view of the sky even when the vessel is rolling Ensure that it is safe from damage during normal operation that is mount the antenna solidly for the worst case pitch roll and heave of the vessel The base of the rover antenna has a 1 UNC female thread A steel pipe with a male 1 UNC thread is a suitable pole mounting for the antenna 28 DSM 132 132RS Receiver User Guide Installing the Receiver 3 Environmen
46. ate press twice to place the active cursor on the second digit of the NMEA line Press a to set the output rate to ASAP b to increase the output rate by one second Press this key as often as necessary to a maximum of 99 seconds To set the TSIP output rate press twice to move the cursor to the second digit of the TSIP line Repeat step 3 Press ES to save the changes Configuring Differential GPS For the receiver to output GPS position coordinates of submeter accuracy you must first select a differential signal from one of the following sources WAAS EGNOS free service limited availability The Wide Area Augmentation System WAAS augments GPS with additional signals for increasing the reliability integrity accuracy and availability of GPS in the United States EGNOS European Geostationary Navigation Overlay System is the European equivalent of WAAS OmniSTAR paid subscription available worldwide Thales paid subscription available worldwide 62 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 You can use one of these paid services as an alternative to WAAS EGNOS They both provide over the air DGPS activation Other source of RTCM SC 104 corrections for example a DSM 132RS over a radio data link For more information see Differential GPS DGPS page 19 To use the differential signal from the selected provider 1 Configure the receiver 2 Activate the receiver 3 Enable t
47. atellite coverage beam for your location See Paid Subscription Services page 63 You will need to provide a serial number Note the activation number here Note the satellite coverage beam here From the DGPS Config screen press R until the Omni screen appears Press twice In the screen that appears the active cursor highlights the first digit Press EY or Rl to change the number Press to select the next digit Repeat steps Step 4 and Step 5 to enter all 24 numbers Press to save the changes Press ES to return to the DGPS Config menu DSM 132 132RS Receiver User Guide Configuring the Receiver 5 Note If you enter an incorrect code try again using the correct numbers An incorrect code has no effect on receiver operation Thales To activate Thales DGPS 1 Switch on the receiver and make sure it is configured for the correct satellite coverage beam If you do no know the coverage beam for your location contact Thales see Paid Subscription Services page 63 Contact Thales at 1 888 434 7757 USA or Canada Provide Thales with your billing information user code Satellite beam name Thales will activate the receiver Activation can take 5 60 minutes Once the receiver is activated the Home screen displays D 3D DSM 132 132RS Receiver User Guide 67 5 Configuring the Receiver Thales reference stations To manually select a Thales network reference station 1 A
48. ble DGPS Receiver Status PTNL GGK Time Position Position Type and DOP PTNLSM Proprietary RTCM Special 102 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Introduction Trimble DSM 132 receivers output NMEA National Marine Electronic Association messages for GPS position data transfer between electronics equipment Information on the NMEA 0183 communication standard for GPS receivers is available at www nmea org This appendix describes NMEA 0183 standard messages that are configured using TSIP command packets Other messages are supported only when specific Trimble options are installed on the receiver Messages beginning with PTNL are Trimble proprietary messages DSM 132 132RS Receiver User Guide 103 C NMEA 0183 Messages NMEA 0183 Message Structure NMEA 0183 messages are strings of comma delimited text Figure C 5 shows the structure of an NMEA 0183 message Asterisk Delimiter n Delimiter GPZDA 220320 0 26 06 1997 00 00 52 Sentence ID Field 1 Field 2 Field 3 Field 4 Field 5 Field 6 Checksum Figure C 5 Example showing NMEA 0183 message structure ZDA Each NMEA message includes e an identifier to distinguish it from other messages in the data stream e one or more fields of data separated by a comma e a checksum preceded by to validate the data 104 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Table C 3 explains the fields in the ZDA
49. bles Table 3 4 DSM 132 Receiver PN 49086 00 Qty P N Description 1 33302 33 132 Receiver 1 33580 00 132 Antenna 1 12920 00 Magnetic Mount for Antenna 1 21555 15 m 50 ft Ruggedized Antenna Cable 1 30945 Power data Cable 1 50984 00 DSM Support CD manuals utilities Table 3 5 DSM 132RS Receiver PN 49086 10 Qty P N Description 1 33302 33 DSM 132RS Receiver 1 36654 00 Compact L1 Antenna 1 11820 10 30 m 10 ft Antenna Cable N N 1 30945 Power data cable 1 50984 00 DSM Support CD manuals utilities 26 DSM 132 132RS Receiver User Guide Installing the Receiver 3 Optional extras if ordered Table 3 6 DSM 132 Receiver options Qty P N Description 1 36429 30 DGPS Base station Capability 1 36429 20 EVEREST Multipath Rejection Technology 1 36429 50 RTS CTS Flow Control Mounting the Receiver and Antenna Mount the antenna in a clear position free from obstructions For some short term installations you can place the antenna upright with the magnetic base on a flat metal surface Choosing a location When choosing a location consider the following Do mount the antenna ona flat surface along the centerline of the vessel e in any convenient location within 15 meters 50 feet of the GPS receiver e atthe highest point of the vessel with no metal surfaces blocking its view of the sky Trimble recommends that you position the antenna on the top of a m
50. ctivate an option use one of the following methods Enter a password Use Flashloader 100 Enter a password When you purchase an option your Trimble Reseller provides the necessary password Once entered the password is stored in permanent memory and remains even when the receiver is switched off Use the Update receiver screen of the DSM 132 menu system to enter the password directly into the receiver and activate the option for immediate field use 1 Ifyou are using AgRemote connect the receiver to an office computer 2 Navigate to the Update receiver screen Press fg The active cursor highlights the first digit 82 DSM 132 132RS Receiver User Guide NH Poy 6 Activating Firmware Options 6 Press or A to enter the first number of the password Press BY to move to the next digit Repeat steps 3 and 4 until all numbers are entered Press ES to save changes The screen displays the selected option as enabled If an error message appears enter the password again If you are still unsuccessful contact your local Trimble Reseller for assistance FlashLoader100 If you have not yet done so install the latest version of FlashLoader 100 on the office computer See page 51 Use FlashLoader100 to enter one or more passwords 1 On the office computer click iq Start then select Programs Flashloader100 In the dialog that appears select the Update receiver with password check box Click Proceed
51. d display and keypad for accessing the internal menu system Use the menus and screens in this system to configure the receiver settings and review receiver status To view the entire menu system see Appendix D Navigation Maps You can also access the menu system using office computer software such as AgRemote Figure 4 1 shows the LCD display and keypad on the DSM 132 receiver front panel LCD display E Trimble Enter Up Down Right Keys Figure 4 1 DSM 132 receiver front panel 36 DSM 132 132RS Receiver User Guide Getting Started 4 Installing AgRemote AgRemote requires Microsoft Windows 95 98 Me Windows 2000 or XP To install the latest version of AgRemote 1 DA Pp Download the AgRemote software from the Trimble website www trimble com aggps132_ts asp Nav Collection 4361 Follow the prompts provided by the File Download wizard a Select Save this program to disk b Click OK Save the AgRemote file to My Documents or to another folder of your choice on the hard drive of your computer Click Save The download takes about a minute depending on your Internet connection speed Select the folder where you saved the AgRemote file Double click the downloaded file to start installing AgRemote In the InstallShield dialog click Yes Follow the instructions provided by the installation wizard When completed click Finish DSM 132 132RS Receiver User Guide 37 4 Gett
52. e Detects the signal strength of the two most powerful radiobeacons within range of the DSM 132 receiver The most powerful radiobeacon is automatically assigned to Beacon DGPS Channel 0 and the second is assigned to Channel 1 Disabled mode Disables DGPS and forces the DSM 132 receiver to operate in GPS mode only Manual Freq mode Disables the automatic selection of radiobeacons so that you can manually select the frequency of radiobeacons for Channel 0 and 1 6 Ifyou selected Auto Range Mode or Auto Power Mode configuration is complete Press several times to return to the Home screen The receiver automatically detects the two closest or two most powerful beacons Manual Freq Mode see EZ Ben screens page 72 or Manually selecting frequencies page 72 Disabled Mode the receiver ignores incoming RTCM SC 104 messages and operates as a GPS only receiver DSM 132 132RS Receiver User Guide 71 5 Configuring the Receiver EZ Bcn screens The EZ Bcn 0 and EZ Bcn 1 screens use information in RTCM SC 104 broadcasts to create a list of beacon stations that are within range of the receiver Use these screens to manually select frequencies for Beacon Channels 0 and 1 1 Navigate to the EZ Bcn O screen 2 Press BY to select the field for Beacon Channel 3 Press or ES until the required beacon station appears 4 Press BY to save the changes 5 Press to display the EZ Bcn 7 sc
53. e included in Chapter 4 Getting Started Basic instructions for configuring the receiver for operation are included in Chapter 5 Configuring the Receiver 128 DSM 132 132RS Receiver User Guide euue N ui pesn JON wa A m m 1517 SALEN 108 peau x m m alld p lqeu si asuepinb ota U UM JUO lQE EAV ci 90N x m a wa wa wg L 8 0N wa 4 A 4 x x m mu m m m m m m m 9po9 aoueping 19M999Y quaplou NI GIONS 19594 Eu x 4 4 x x S ENOA Ju IAS wa Sid pue peaH wa awey Away uejs s YVISIUWO 1 1319 4 4 x 4 x x suondo uus awey wa 1908294 OAS Sae wa 5400 bn quauibas doi IN aouaping A A A A A A A A A Suuoo UOISJ ou s sd9d ou s Sd90 21 1 snas UMS y bue7 awey R NWOd1 949 joaby Jeuueuy ebueu EME wey vun 4 X 4 x 4 x 4 4 5102 J9QUINN anos anos Guipeay yybue7 QUIEN NvOdL V49 euas eed Sd9d ewa 5400 paads d r ued 1190 aben6uey x 4 4 4 4 4 4 g ueyg 488M SdI 113402 epnin gay 95012 900 fejdsiq Nv9dL aa JIN al ejas uoseag id pasnipy 1007 4 x 4 4 4 4 x 4 weg Aeg aun snis 0 Jeuueu smes sulod 6661 21n bal 5 uooeog Bue eouepino Pally pp ally iseQuo A A A A A A A mim aia t u im ojo
54. e of defects in material and workmanship for a period of one 1 year starting from the date of delivery The warranty set forth in this paragraph shall not apply to software products Software License Limited Warranty This Trimble software product whether provided as a stand alone computer software product built into hardware circuitry as firmware embedded in flash memory or stored on magnetic or other media the Softvvare is licensed and not sold and its use is governed by the terms of the relevant End User License Agreement EULA included with the Software In the absence of a separate EULA included with the Software providing different limited warranty terms exclusions and limitations the following terms and conditions shall apply Trimble warrants that this Trimble Software product will substantially conform to Trimble s applicable published specifications for the Software for a period of ninety 90 days starting from the date of delivery Warranty Remedies Trimble s sole liability and your exclusive remedy under the warranties set forth above shall be at Trimble s option to repair or replace any Product or Software that fails to conform to such warranty Nonconforming Product or refund the purchase price paid by you for any such Nonconforming Product upon your return of any Nonconforming Product to Trimble in accordance with Trimble s standard return material authorization procedures Warrant
55. e the cursor 64 DSM 132 132RS Receiver User Guide 3 Press until the required provider appears Omni or Thales 4 Press to move to the next field 5 Press until the coverage beam for your location appears 6 Press to save the changes 7 Press to return to the DGPS Config menu OmniSTAR To activate OmniSTAR DGPS 1 Switch on the receiver and make sure it is configured for the correct satellite coverage beam If you do not know the coverage beam for your location contact OmniSTAR see Paid Subscription Services page 63 2 Contact OmniSTAR on 1 888 883 8476 USA or Canada Provide OmniSTAR with your billing information user code satellite beam name OmniSTAR will activate the receiver Activation can take 5 30 minutes 3 Once the receiver is activated the Home screen displays D 3D Configuring the Receiver 5 DSM 132 132RS Receiver User Guide 65 5 66 Configuring the Receiver If automatic activation fails try to activate OmniSTAR DGPS manually as described below If you cannot activate the OmniSTAR differential service contact your local Trimble Reseller Activating OmniSTAR manually Note If the receiver is activated automatically this option is not available If over the air activation fails or if you want to activate the OmniSTAR differential service manually obtain an activation code from OmniSTAR 1 9 tA R Contact OmniSTAR for the activation code and s
56. ection describes how to configure the appropriate Port A Config screens The menu for Port B is identical Figure 5 13 shows the menu that you use to access the configuration screens Configuration Ka Guidance Config Lightbar Config BB Func Key Config a Log Config RDL f GPS Config EY L DGPS Config Port A Config SE Port A NMEA 3 In Out Messages ululmlm Port A Out NMEA TSIP RTS CTS Output Rate ojo niu NMEA 1 Messages ojo 0 2 NMEA 2 Messages 1 Hz NMEA Exit Figure 5 13 Port A Config menu 58 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 Configuring input output communication Configure the Port Input Output communication settings for communicating with other external hardware devices and software programs Table 5 6 describes the input settings Table 5 6 Port input settings Setting Description None Inputs nothing to the receiver TEXTB The receiver can accept ASCII data from an external device such as a chlorophyll meter on Port A merge it with NUEA GPS data and output the combined data on Port B The incoming data must be limited to 66 ASCII characters and must be terminated by a carriage return and line feed hex characters OxOD Ox0A The NMEA string outputs as PTNLAGOO 1 up to 66 ASCII characters gt lt 2 digit checksum gt lt CR gt lt LF gt For the receiver to
57. elds continued Field Description 4 Year 5 Local zone number for East Longitude 6 Local zone minutes Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of I Hz PTNLEV Proprietary Event Marker The PTNLEV message is a Trimble proprietary message for time tagging and marking when an event input occurs If enabled this event message is output whenever an event is detected The PINLEV message structure is PTNLEV 184804 00 0 XX Table C 17 describes these fields Table C 17 PTNLEV message fields Field Description 1 Time UTC time of the position fix in hhmmss ss format 2 Event number starting with event 0 DSM 132 132RS Receiver User Guide 121 e NMEA 0183 Messages PTNLID Proprietary Trimble Receiver 1D The PTNLID message is a Trimble proprietary message for identifying the machine ID product ID major and minor release numbers and firmware release date of the receiver 122 The PTNLID message structure is PTNLID 097 01 XXX XXX DD MM YY XX Table C 18 describes these fields Table C 18 PTNLID message fields Field Description 1 Machine ID 2 Product ID 3 Major firmware release number 4 Minor firmware release number 5 Firmware release date in dd mm yy format The PTNLID message if enabled is output every 30 seconds DSM 132 132RS Receiv
58. er User Guide NMEA 0183 Messages C PTNLDG Proprietary Trimble DGPS Receiver Status The PTNLDG message is a Trimble proprietary message for identifying the DGPS receiver channel strength channel SNR channel frequency channel bit rate channel number channel tracking status RTCM source and channel performance indicator for either beacon DGPS or satellite DGPS The PTNLDG message structure is PTNLDG 87 0 5 2 1558510 0 1200 2 4 1 25 01 Table C 19 describes these fields Table C 19 PTNLDG message fields Field Description 1 Channel signal strength in 1 dBuV m For beacon this is the electromagnetic field intensity level For satellite this is the ADC input voltage level Channel signal to noise SNR level in dB Channel frequency in kHz Channel bit rate in bits per second bps Channel number 0 99 ol ol S olm Channel tracking status Channel idle VVideband FFT search Searching for signal Channel has acquired signal Channel has locked on signal Channel disabled gd ONS Specified channel is used as RTCM source 0 Not used 1 Used Channel tracking performance indicator For beacon this is the number of errors in the last 255 vvords For satellite this is the time since last sync in tenths of seconds ranging from 0 255 DSM 132 132RS Receiver User Guide 123 c 124 NMEA 0183 Messages The PTNLDG message fields are defined in free format
59. erential correction and or beacon tower differential correction is not available If you have not yet done so install the latest version of FlashLoader 100 on the office computer See page 56 DSM 132 132RS Receiver User Guide 73 5 Configuring the Receiver To install the Base Station option 1 Use the power data cable to connect the receiver to the serial port on the office computer this is usually COM1 or COM2 On the office computer click 34 Start and then select Programs FlashLoader100 Click Find Device FlashLoader100 detects the receiver and automatically selects the correct port A message appears identifying the port which is connected to the receiver Click OK Enter the password For more information see Step 2 through Step 6 on page 82 To configure the communication port 1 2 Navigate to the Config Port B or Config Port A menu Press A The Port Input Output screen appears Press BY to activate the cursor Press 2 until the cursor highlights the third item on the second line Press Kl until RTCMI appears Press BS to save the settings Press several times to return to the Home screen 74 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 8 If necessary change the baud rate and parity to match the settings used by your base station radio For more information see Configuring input output communication page 59 Configure base station output settings N
60. ess BY to activate the cursor Press EY or Rl until Edit Base Pos is displayed Press i The receiver displays three screens in succession showing the current latitude longitude and altitude To save the current coordinate value press E change the reference coordinate value press GY or KA Press BY to move between characters Press to save the changes Once you press to accept the altitude the receiver asks whether or you want to accept the new reference position or not Press to accept the new reference position Press EY or A to reject the new reference position Press to finish Set from averaged positions To determine the location of the receiver antenna you can configure the receiver to average the computed position over a period of time 1 2 4 Navigate to the Base Location screen Press BY to activate the cursor Press EY or Rl until Set From Ave is displayed Press to move the cursor to the right DSM 132 132RS Receiver User Guide 77 5 Configuring the Receiver 5 Press or KA to select the number of positions required to determine the average current location 6 Press e The receiver begins to average positions 7 Doone ofthe following When all calculated positions are collected press f to accept the averaged position Press BY to cancel Setting the base station mode To operate the receiver as a base station set the base position then selec
61. g to gain lock Beacon Idle Beacon DGPS is not active 50 DSM 132 132RS Receiver User Guide Getting Started 4 Table 4 5 Beacon DGPS operating mode messages continued Message Description Beacon FFT The receiver is looking for a beacon across the signal spectrum Beacon Disabled Beacon DGPS is disabled in the receiver You will need to change configuration settings to enable Beacon DGPS External RTCM Differential corrections are being provided by an external source through port A or port B Battery is Low This warning replaces the DGPS information when the input voltage is low Updating the Firmware To update the receiver firmware when a new version is released 1 Download the upgrade files 2 Install the FlashLoader100 utility 3 Connect the receiver to an office computer 4 Upgrade the firmware from the office computer using the upgrade files For full details of how to do this refer to the Release Notes provided with your receiver firmware If you have problems when you update the firmware see Appendix A Troubleshooting For further assistance contact your local Trimble Reseller DSM 132 132RS Receiver User Guide 51 4 Getting Started 52 DSM 132 132RS Receiver User Guide CHAPTER Configuring the Receiver In this chapter Introduction Display Options Configuring the Communication Ports Configuring Differential GPS Paid Subscription Services WAAS EGNOS Configuring
62. h the list When the required option appears press to select it and save the changes 44 DSM 132 132RS Receiver User Guide Getting Started 4 Examples include the two multiple choice fields that appear in the EZ Sat DGPS Configuration screen see Figure 4 6 These are the fields which list available satellite providers and satellite coverage beams Service Provider field Satellite Coverage Beam field Figure 4 6 Example of a multiple choice field Alpha numeric and alphanumeric fields In these fields you can enter only letters alpha screens only numbers numeric screens or a combination of the two alphanumeric screens 1 Press to select the field and activate the cursor on the first letter or number 2 Press or to move through the list of letters or numbers until the required letter or number appears 3 Press BY to move to the next place in the field 4 Repeat steps 2 and 3 to enter all required characters 5 Press J to save the changes DSM 132 132RS Receiver User Guide 45 4 Getting Started One example of a numeric field appears in the Satellite Freq screen In this field you manually enter the broadcast frequency of a satellite service provider See Figure 4 7 Satellite Frequency field Figure 4 7 Example of a numeric field The Home Screen When you start AgRemote or access the receiver using the AgGPS 70 Remote Display and Logger the Home screen appears See Figure
63. he receiver For details see the following sections To configure the receiver to receive signals from any provider 1 Navigate to the DGPS Config menu 2 Press Rm 3 Follow the steps in the appropriate section below Each section describes how to configure activate and enable the receiver for a particular provider Paid Subscription Services When you obtain a paid satellite subscription contact the service provider for the correct satellite coverage beam for your geographic location In the U S and Canada contact OmniSTAR at 1 888 883 8476 www omnistar com DSM 132 132RS Receiver User Guide 63 5 Configuring the Receiver Thales LandStar at 1 888 434 7757 www landstar dgps com You will need to provide a serial number and user code 1 Navigate to the Serial number screen Note the serial number here 2 Navigate to the Omni or Thales Srv Info screen Note the user code here To configure the DGPS Source for the subscription service 1 Navigate to the DGPS Source screen 2 Press BY to activate the cursor 3 Press until Satellite Only appears 4 Press to save the changes 5 Press to return to the DGPS Config menu To configure the provider name and the correct satellite coverage beam 1 From the DGPS Config menu press R until the EZ Sat screen appears Note The EZ Sat screen includes the Coverage Beam field and the Geographic Location field 2 Press BY to activat
64. hing the signal to noise ratio SNR value on the AgRemote Home screen When using a beacon differential correction signal aim for a value of 10 or higher Note Before replacing engine parts in an attempt to solve this problem make sure that the problem is not caused by a computer or power source near the receiver Some office computers and their power sources cause noise that is disruptive to the GPS and satellite DGPS signals Receiver Mounting location The receiver is not picking up a clear signal Mount the receiver on the centerline of the vehicle away from any sources of interference and with a clear view of the sky see page 27 DSM 132 132RS Receiver User Quide 89 A Troubleshooting Problem issue Possible solution Cables One of the cables seems faulty Configuration settings Use an ohmmeter to check the cable The resistance of a good cable between connector pins at each end of the cable is zero If the cable is sound but the problem persists try exchanging the cable with one that you know is working If the cable is defective contact your local Trimble Reseller for an RMA number if the Trimble product is still under warranty or to purchase a replacement cable The receiver configuration settings are stored in RAM which is supported by a lithium ion battery that has a life of 10 years If the battery fails custom configuration settings are lost Note
65. ial code phase only solution DGPS Number of satellites used in GPS solution DOP of fix Ellipsoidal height of fix antenna height above ellipsoid M Ellipsoidal height is measured in meters PTNLSM Proprietary RTCM Special The PTNLSM message is a Trimble proprietary message for identifying the Reference Station ID and the ASCII Text message that is included in an RTCM Type 16 Special Message The PTNLSM message is generated anytime an RTCM stream receives a valid Type 16 Special Message The PTNLSM message structure is PTNLSM 0022 This is a message XX Table C 21 describes these fields Table C 21 PTNLSM message fields Field Description 1 Reference station ID number ranging from 0 to 1023 Leading zeros must be added to fill four digit field ASCII text message contained within the Type 16 RTCM message DSM 132 132RS Receiver User Guide 125 C 0183 Messages 126 DSM 132 132RS Receiver User Guide APPENDIX Navigation Maps In this appendix m DSM132 Menu System m Navigation map for DSM 132 receiver Home Field Operations and Status menu m Navigation map for DSM 132 receivers Configuration menu DSM 132 132RS Receiver User Guide 127 D Navigation Maps DSM132 Menu System The figures in this appendix show the navigation maps for the DSM132 Menu System and relate to firmware version 1 7 Basic instructions for navigating through the menu system ar
66. ing Started To use AgRemote 1 Connect the receiver to the serial port of the office computer as shown in Figure 4 2 Laptop computer 9 pin port DSM 132 Receiver lar Cable 30945 y Power ve Red Ground ve 1 Black al Figure 4 2 Connecting the receiver to an office computer 38 DSM 132 132RS Receiver User Guide Getting Started 4 From the Astart menu select Programs AgRemote AgRemote When the program starts select File Connect AgRemote establishes communication with the receiver and displays the Home screen of the AgGPS menu system as shown in Figure 4 3 Home screen v AgRemote 1 Ag132 File Help E Trimble Esc Enter Up Down Right Left Keys Figure 4 3 AgRemote window and navigation keys Navigate to the required screen Use the display to configure the communication ports differential correction source and or AgGPS lightbar communication settings For a map showing the full menu system see Appendix D Navigation Maps For more information see Chapter 5 Configuring the Receiver DSM 132 132RS Receiver User Guide 39 4 Getting Started The AgRemote Menu System Use the commands provided by the AgGPS menu system to e monitor the receiver status e change the receiver configuration This section describes the menu system and the setting display
67. ion Number of satellites used Maximum PDOP Signal to Noise Ratio Minimum Elevation Multipath environment RTCM compatible corrections gt 5 lt 4 gt 6 gt 7 5 Low To calculate a 3D position latitude and longitude altitude and time four or more satellites must be visible To calculate a 2D position latitude and longitude and time three or more satellites must be visible The number of visible satellites constantly changes and is typically in the range 5 9 The DSM 132 receiver can track up to 12 satellites simultaneously Note To see when the maximum number of GPS satellites are available use the Quickplan utility and a current ephemeris satellite history file Both files are available free from www trimble com support_trl asp Nav Collection 3627 Position Dilution of Precision PDOP is a unitless computed measurement of the geometry of satellites above the receiver s current location Note In some agricultural applications that do not require high accuracy a maximum PDOP of 12 or more can be used Signal to Noise ratio SNR is a measure of the satellite signal strength against electrical background noise A high SNR gives better accuracy Satellite that are low on the horizon typically produce weak and noisy signals and are more difficult for the receiver to track Satellites below the minimum elevation angle are not tracked Multipath errors are caused when GPS sig
68. ions 3 Standard deviation of semi major axis of error ellipse in meters 4 Standard deviation of semi minor axis of error ellipse in meters 5 Orientation of semi major axis of error ellipse in degrees from true north 6 Standard deviation of latitude error in meters 7 Standard deviation of longitude error in meters 8 Standard deviation of altitude error in meters Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of I Hz 114 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C GSV GPS Satellites in View The GSV message identifies the number of SVs in view the PRN numbers elevation azimuth and SNR values The GSV message structure is GPGSV 4 1 13 02 02 213 03 3 000 11 00 121 14 13 172 05 67 Table C 11 describes these fields Table C 11 GSV message fields Field Description 1 Total number of messages of this type in this cycle Message number Total number of SVs visible SV PRN number Elevation in degrees 90 maximum ol ol AJ olm Azimuth degrees from true north 000 to 3590 7 SNR 00 99 dB null when not tracking 8 11 Information about second SV same format as fields 4 7 12 15 Information about third SV same format as fields 4 7 16 19 Information about fourth SV same format as fields 4 7 Note Because
69. ld Description 1 Track made good Fixed text T shows that track made good is relative to true north Not used Not used Speed over ground in knots 0 3 decimal places Fixed text N shows that speed over ground is in knots Speed over ground in kilometers hour 0 3 decimal places INI ol ol sicim Fixed text K shovvs that speed over ground is in kilometers hour Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of 1 Hz DSM 132 132RS Receiver User Guide 119 C NMEA 0183 Messages XTE Cross Track Error The XTE message reports the cross track error of the vessel The XTE message structure is GPXTE A A 0 050 L N 5E Table C 15 describes these fields Table C 15 XTE message fields Field Description 1 A Valid fixed 2 A Valid fixed 3 Cross track error in nautical miles 4 Direction to steer L Left R Right 5 N Nautical mile units ZDA Time and Date 120 The ZDA message identifies UTC time day month and year local zone number and local zone minutes The ZDA message structure is GPZDA 184830 15 05 11 1996 00 00 66 Table C 16 describes these fields Table C 16 ZDA message fields Field Description 1 UTC time 2 Day 3 Month DSM 132 132RS Receiver User Guide NMEA 0183 Messages C Table C 16 ZDA message fi
70. location To view the current location of the receiver antenna 1 Navigate to the Configuration Base Stn Config Base Location screen Press one or more times to view the current computed reference position latitude longitude and altitude Note The reference position coordinates are in latitude longitude the datum is WGS 64 altitude is referenced to Mean Sea Level MSL Set from here To set the receiver antenna location select the current computed GPS position as follows 1 2 3 4 Navigate to the Base Location screen Press BY to activate the cursor Press EY or until Set From Here is displayed Press Kg The receiver displays three screens in succession showing the current latitude longitude and altitude To save the current coordinate value press fJ To the reference coordinate value press ES or 82 Press to move between characters Press to save the o When you press to accept the altitude the receiver asks whether you want to accept the new reference position or not Press to accept the new reference position 76 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 Press EY or NA to reject the new reference position Press to finish Edit base position Set the receiver antenna to a particular location Do this when the antenna is on a surveyed location with known coordinates 1 2 3 4 Navigate to the Base Location screen Pr
71. n displays U S Metric or Nautical units in the screens that you access from the Field Operation Status and Configuration menus Note This setting does not affect GPS position data output 1 Navigate to the Units screen Press BY to select the Units field Press ES or A until the required unit is displayed Press ES to select it and save the changes Press to return to the Display Options menu NM PY m Press again to return to the Home screen DSM 132 132RS Receiver User Guide 55 5 56 Configuring the Receiver Locking the Configuration menus To prevent unauthorized changes to the configuration you can lock the Configuration menus 1 Navigate to the Lock Display Cfg screen 2 Press to display the Enter Password screen The cursor is active on the first digit 3 Use the last five numbers of the receiver serial number as the password passcode Press EY or Rl until the first digit of the serial number appears 4 Press to select the next digit Repeat step 3 until all five digits are entered 5 Press gto save the changes The Valid Password message appears and the Configuration menus are no longer displayed when you navigate the menus If the message Invalid Password appears enter the password again Tip VVhen the Configuration menus are locked you can vievv most Configuration menu settings from the Status menus To unlock the Configuration menus repeat the above
72. n routing the antenna cable avoid the following hazards e sharp objects kinks in the cable hot surfaces exhaust manifolds or stacks rotating or moving machinery parts e sharp or abrasive surfaces e door and window jams corrosive fluids or gases After routing the cable connect it to the receiver Use tie wraps to secure the cable at several points along the route One tie wrap is required to secure the cable near the base of the antenna This provides strain relief for the antenna cable connection When the cable is secured coil any slack Secure the coil with a tie wrap and tuck it into a safe place Tip Use the tape coax tape seal that is provided with the antenna to seal the antenna connector at the antenna The tape prevents moisture from entering the connection DSM 132 132RS Receiver User Guide 31 3 Installing the Receiver Connecting to an External Device After installing the receiver and antenna connect and route the power data cable PN 30945 The receiver can be powered by a vehicle or by a customer supplied 10 32 VDC power source Figure 3 3 shows how to connect the receiver to an external device using the 5 5 m 18 ft standard power data cable 9 pin port DSM 132 receiver Cable 30945 Power 7 Connect cable 30945 Red y Figure 3 3 Standard power data cable connec
73. nals are reflected off nearby objects and reach the receiver by two or more different paths The receiver incorporates the EVEREST multipath rejection option These corrections are broadcast from a DSM 132RS or equivalent reference station 20 DSM 132 132RS Receiver User Guide Overview 2 Position Output Geographic data obtained from different sources must be referenced to the same datum ellipsoid and coordinate format Different formats provide different coordinate values for any geographic location In North America the datums NAD 27 and NAD 83 are commonly used in marine applications The DSM 132 receiver outputs position coordinates in several datums and ellipsoids depending on the source of DGPS being used See Table 2 3 Table 2 3 DGPS source Differential Source Datum Ellipsoid None Autonomous mode VVGS 841 VVGS 84 OmniSTAR 3 North American Beams NAD 83 OmniSTAR Rest of World Beams ITRF GRS 80 Thales Beams ITRF GRS 80 WAAS Beams WGS 84 WGS 84 iWorld Geodetic System 1984 Datum and ellipsoid 2North American Datum 1983 Equivalent to WGS 84 3International Terrestrial Reference Frame Contact the DGPS provider for details For more information go to the National Geodetic Survey website www ngs noaa gov faq shtml WhatDatum Note To convert GPS positions in the NAD 83 datum to background maps for the old NAD 27 datum use the conversion program Corpscon This is available free from
74. niny aja ofa ia aey fs aey ndino aey nding fouanbasy 165 mm apon S40 0002 dISI VINN DES SON93 Aeidsiq woog x x x 4 x x 4 x m a a m a m a 4 a a m m mu a a a ouo s fpss yy s fPss yy sabessayy Yes IH Ad wa now peauy Nyodi 0002 VAWN E VINN VIAN SVVM i quin 4007 oa oa ufm ot o x a m x A m 4 a 5 4 emau ou s fpss yy s fPss yy deway 21 s um s Auejog an ad L 6SN d NYJ si NVI ZY3 N 2 ISON93 SWM 4004 Juan yoeolddy A A A A ry A A A A m m m m m m m m m m m a a m m m m m m m s fPss yy s fess yi sabessayy sabessayy anos SEN 196611 Buioeds SUJEMS 143 dv NVI L V3IAN LVAWN 5400 ulaisfs jue 1 q A A A Ly A A A A A ry a a a a m a m a m m m m a a a a a a a a apow ssaippy ssouppy S19 S14 aby ubissy 0215 eseg 0070 NYJ M0 g Hod 1109 Sd90 540 fay avds 31 A A A A A A A m m m m m m a L a a a pneg moul 1no ul synejeg Z shay pal UPI anva guod V Hod 5400 Sd9 210 59y u15507 19811 I 395 gufn yems x 4 x 4 4 4 x A A a a m a L a a m m a a a a a m a Biyuog Byuog Bijuog 6yuog 6yuo 108 yuog Byuog Byuog us r3 gnv s 4 qud Eg vu g s21 S49 0000 007 Egg Pon a mun ga a uonein6ruo 4 nuau uoneanDijuo S Al H 221 NSA 40 dew uoneDiAeN Navigation map for DSM 132 receivers Configuration menu DSM 132 132RS Receiver User Guide Figure D 6 130 APPENDIX Specifications In
75. om an external device The receiver is able to receive ASCII data from an external device convert this data into an NMEA message and export that message to another device TSIP command packets configure and monitor GPS and DGPS parameters The receiver is also able to accept RTCM data from an external device such as a pager RTCM TSIP and NMEA to an external device The receiver is able to output RTCM in base station mode requires the base station option When you are using an external radio it can also receive DGPS corrections TSIP is input output when communicating with HYDROpro NMEA is output when the receiver is exporting GPS position information to an external device or navigation software For more information on the NMEA National Marine Electronics Association and RTCM Radio Technical Commission for Maritime Services communication standard for GPS receivers go to the following websites VVVVVV nmea org WWW rtcm org PPS output To synchronize timing between external instruments and the receiver s internal clock either one of the connection ports outputs a strobe signal at 1 PPS pulse per second To output this signal the receiver must be tracking satellites and computing GPS positions DSM 132 132RS Receiver User Guide Overview 2 Differential GPS DGPS The DSM 132 receiver uses DGPS to achieve high accuracy You can have a DSM 132RS this is called the reference or base station located at
76. on 61 Position Rate screen 61 position types 48 positions see GPS positions PRC Interval screen 78 PRC mode setting 78 PTNL 103 PTNL GGK message 124 PTNLDG message 123 PTNLEV message 121 PTNLID message 122 PTNLSM message 125 R radio beacon signals 22 radio base station 75 RAIM GAST sentence 114 GRS output sentence 112 receiver accuracy of 15 additional options available 17 components of 26 environmental conditions for 29 inputs 18 location of 27 mounting 28 outputs 18 position output formats 22 position outputs 21 receiver connections 18 receiver enhancements 17 Differential Base Station 17 EVEREST technology 17 RTS CTS Flow Control Negotiation 17 receiving DGPS satellite 23 reference position coordinates 76 reference station 19 RMC message 117 rover 19 75 RTCM website 18 RTS CTS Flow Control Negotiation 17 82 S satellite DGPS 23 status information 48 satellite differential signal OmniStar subscription service 23 Thales subscription service 23 satellite history ephemeris file 20 satellites free radiobeacon differential signals 22 numbers used 20 searching 48 tracking 48 screens 42 configuration Base Station Mode 78 configuration PRC Interval screen 78 Home 46 searching for satellites 48 selecting NMEA messages for output 60 Set From Averages 77 Set From Here 76 Signal Strength Mask 86 signal to noise ratio SNR 20 49 89 software FlashLoader100 83 Index software see also firmware
77. ote The Base Stn Config menu is available only when the Base Station option is installed and a communication port is configured correctly for it In Base Station mode the receiver outputs RTCM GPS correction data The RTCM data can be transmitted to an external radio which then broadcasts the RTCM information to other DSM 132 rover receivers in the field that are within radio range Generally all rover units are equipped with an identical radio which enables them to receive the RTCM data from the base station radio The DSM 132 receiver has real time capabilities so a submeter reference position can be created in seconds Set the receiver antenna over a known surveyed location or allow the receiver to compute the reference location Once the reference position is supplied the receiver can begin computing PseudoRange correction information The information is converted to RTCM output data format This information is used to correct the rover s final output position and so provides submeter accuracy Base location You can use the Base Location screen to view the current location of the receiver antenna You can also use this screen to change the setting for the location of the antenna The screen provides the following options e View location page 76 e Set from here page 76 e Edit base position page 77 Set from averaged positions page 77 DSM 132 132RS Receiver User Guide 75 5 Configuring the Receiver View
78. ple choice fields 4 Move horizontally through the upper Select the next alphanumeric or and lower level menus multiple choice field on a screen When Move from the last upper level menu to alphanumeric or multiple choice fields are Y Y the Home screen available the FL symbol appears in the corner of the screen Move to the next letter or digit of a field A Move up one menu level Move from a screen to the screen s menu Ultimately return to the Home screen Press again to return to the previous level Press again to return to the Home screen DSM 132 132RS Receiver User Guide 41 4 42 Getting Started Navigating the Menus and Screens Note Use a menu to navigate to screens or other menus Use a screen to view the receiver status or to change a configuration setting The top level of the AgRemote menu system consists of the Home Field Operations Status and Configuration menus Each of these has one or more lower level menus sub menus which you can use to access screens for selecting options viewing status information and entering data For a map showing the full menu system see Appendix D Navigation Maps When you are using the receiver front panel keypad to navigate the menu system press ZY simultaneously to move to the previous menu Press and hold or press repeatedly J simultaneously to return to the Home screen DSM 132 132RS Receiver User Guide Getting Started 4 Figure 4 4 shows the struc
79. procedure Clearing battery backed RAM N Warning When you select the Clear BB Ram option any changes that you have made in the Configuration menus are deleted and cannot be restored DSM 132 132RS Receiver User Guide Configuring the Receiver 5 Use the Clear BB RAM screen to remove all configuration settings in the receiver memory RAM and return the receiver to its factory default configuration settings To delete battery backed memory 1 Navigate to the Clear BB RAM screen 2 Press to activate the cursor 3 Press Y or to select Yes 4 Press to clear the configuration settings Configuring the Communication Ports The DSM 132 receiver has two serial ports The receiver can communicate with two devices simultaneously through these ports To do this it uses the standard power data cable PN 30945 Configure the communication ports to ensure that the receiver outputs the correct GPS position data type for the hardware device or software program that is connected to the receiver Note As both ports are configured identically this section describes only Port A To display the Port A Config menu 1 From the Home screen press until the Configuration menu appears 2 Press fM to display the Guidance Config menu 3 Press BY until the Port A Config menu appears 4 Press to move through the screens as required DSM 132 132RS Receiver User Guide 57 5 Configuring the Receiver The following s
80. recomputed after the GGA position was computed 3 14 Range residuals for satellites used in the navigation solution in meters Note Because the contents of this NMEA message do not change significantly during a one second interval the receiver outputs this message at a maximum rate of I Hz 112 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C GSA GPS DOP and Active Satellites The GSA message identifies the GPS position fix mode the SVs used for navigation and the Dilution of Precision values The GSA message structure is GPGSA A 3 19 28 14 18 27 22 31 29 1 7 1 0 1 3 35 Table C 9 describes these fields Table C 9 GSA message fields Field Description 1 Mode M Manual forced to operate in 2D or 3D A Automatic 3D 2D Mode 1 Fix not available 2 2D 3 30 8 14 IDs of SVs used in position fix null for unused fields 15 PDOP 16 HDOP VDOP 17 DSM 132 132RS Receiver User Guide 113 C NMEA 0183 Messages GST GPS PRN The GST message is used to support Receiver Autonomous Integrity Monitoring RAIM The GST message structure is GPGST 220320 0 1 3 0 8 0 5 166 1 0 8 0 5 1 6 4F Table C 10 describes these fields Table C 10 GST message fields Field Description 1 UTC time of GGA fix 2 RMS value of the standard deviation of the range inputs to the navigation process range inputs include pseudoranges and DGPS correct
81. reen 6 Repeat Step 2 through Step 4 to select the station for Beacon Channel 1 Manually selecting frequencies Note Use this method only if you cannot find the required radiobeacon name in the list To manually select Beacon DGPS radiobeacon frequencies using the EZ Bcn screens 1 Navigate to the Man Bcn Freqs screen 2 Press BY to activate the cursor in the Beacon Channel 0 field 3 Press Mor ES to enter the frequency one number at a time Press KJ to move to the next digit 72 DSM 132 132RS Receiver User Guide mb gv rU om Configuring the Receiver 5 Press to save the changes Press BY to select the Beacon Channel 1 field Repeat step 3 to enter the other required frequency Press ES to save changes Configuring Other DGPS Corrections To configure for RTCM SC104 Differential corrections to be received on Port A or Port B 1 2 3 Navigate to the Configuration menu Navigate to the Port A Config screen or Port B Config screen Select a suitable port for example Port A In Out and then use the menu keys to specify RTCM as the input 1 The DSM 132 is now configured to use any incoming DGPS corrections on the selected port Note This happens even though the data displayed by the DGPS Source screen shows the source of the DGPS to be either Beacon L band or WAAS EGNOS Configuring DGPS Base Station You may need this option when working in a remote location where satellite diff
82. ry again to connect FlashLoader1 00 AgRemote AgRemote cannot to communicate Make sure that the receiver is connected to a with the receiver all you see is a 12 32 VDC power source blank screen Check all cable connections between the receiver and the office computer Make sure that you are using the correct COM port Once you have checked this switch off the receiver then switch it on again Select File Connect DSM 132 132RS Receiver User Quide 91 A Troubleshooting Troubleshooting Flowcharts This section contains flowcharts for troubleshooting the following areas System hardware and power GPS reception OmniSTAR e Thales As you proceed through these guides you may need to view the receiver status or change values in some fields For information on how to do this see Menu System Fields page 44 In addition you may find it useful to review Chapter 3 Installing the Receiver 92 DSM 132 132RS Receiver User Quide 4e eseg ejquiur e20 4no joejuoo 51515 l lqold eui y ede xeoo YIM Y enoes pue y joauuooas 51 ajqeo ay uaym SINOY 5 axe Aew siy 1112 Ou ur Alp 0 y MO E pue ajqeo euua ue ay joeuuoosiq Ife 5 0 yum Suonoeuuoo euuajue ay no MO g lqE ayy ul eq Aew eJey Jey Buipuejsiepun au uum syoeyo ay ajejduog YA 0 si uonoeuuoo
83. ryoey 51 ay Jajl s y ejquiur 1890 1no yoeyuoo s sisi d wajqoid eui j 434X ees esiou aulbua Duronpei uo uoneuuojul 104 esiou aulbua ensseoxa Aq pesneo eq Aew wajqoid ay ll s k 220 uno 1061400 peAjoseuun s uiejqoid eu L Jelesou 220 19ejuoo s sisiod Wwejqoud y oeueuy e mau e eunboe o SANOY 2 1 10 sayjayes 981 pue J9AI9291 Y dn jeg jo no eq Aew oeueuie uvISIuuo ey esed aqu 1890 NOK yoR UOD SOA on f s x Jeeddesip s lill es y oq ueaeios au xoeuo pue euibue aulyoeu y uo UNL p uuuuo2 sseoov Apeay 1epooeg p 1 q poo q uui Bulmo joj ay jo euo ebessal snieis oy S SOA f ON 1seo ye Bi uondeoe1 xoeuo pue WOH eui unie sejnuiu OAL WEN SAD 34 o Jemod urejureu q 1019 1 10 euiquioo aulbua ay jo uini HVLS UWO RUD Butuonisod 5400 poof 10 juaroins Jou si ay 4 Leq 1 ON eq sebessau Buimoljo eu jo Jayue ees no oq Sni amp is 151 yo uo o urebe fg s id e90 1NOA joejuo9 sisisi d
84. s 20 standard features 17 E Edit Base Pos 77 electrical interference sources of 29 elevation 20 Elevation mask 86 138 DSM 132 132RS Receiver User Guide environmental conditions for receiver 29 ephemeris satellite history file 20 EVEREST multipath rejection technology 17 82 EZ Ben 0 screen 72 EZ Ben 1 screen 72 EZ Sat DGPS Configuration screen 45 EZ Sat screen 64 F Fast Rate Output option 84 fast rate position output 84 Field Operations menu 54 firmware additional options available 82 Base Station Option 73 Fast Rate Output 84 Flash Progress dialog 83 FlashLoader 100 software 83 FM 2 way radios 89 G G 2D position type 48 G 3D position type 48 geographic de correlation 23 GGA message 109 GLL sentence 111 GP Talker ID 106 GPS Config menu 61 GPS error sources of 19 GPS Mode 86 GPS positions output format 22 output of 21 GRS message 112 GSA message 113 GST message 114 GSV message 115 H Home screen 65 IALA International Association of Lighthouse Authorities 22 II Talker ID 106 input ASCII RTCM TSIP 18 installing the receiver antenna environmental conditions 29 K keypad key actions 41 L Language screen 55 latitude 20 LC Talker ID 106 LG Talker ID 106 location of antenna 27 location of receiver 27 locking Configuration menus 56 longitude 20 Man Ben Freqs screen 72 menu system DSM 132 128 Message Rate screen 62 Index mounting the antenna 27 28 the recei
85. s submeter less than 3 28 ft precision whenever differential corrections are applied You can use a 1 PPS pulse per second strobe signal to synchronize time for logging event markers when you are using external instruments You can use the receiver with a variety of marine survey equipment including office software such as HYDROpro which also interfaces with echo sounders and magnetometers for use on waterborne projects DSM 132 132RS Receiver User Guide 15 2 Overview Standard features A standard DSM 132 system provides 12 channel L1 1575 42 MHz C A code GPS receiver with carrier phase filtering Combined L1 GPS Satellite differential and beacon antenna L Band satellite differential correction capable receiver Note For the DSM 132 to operate with the L Band corrections the client must subscribe to a satellite differential Service Dual channel digital medium frequency beacon receiver EVEREST technology for multipath rejection firmware version 1 73 and greater Differential correction input from other RTCM SC 104 sources WAAS U S A and EGNOS Europe differential capable Sub meter differential accuracy 2 line 16 character liquid crystal display 4 button keyboard 1 2 5 and 10 Hz 10 positions per second output messages Operation manual 15m antenna cable GPS receiver to PC cable Magnetic mount for antenna Two programmable RS 232 serial ports NMEA 0183 output RTCM SC 104 input
86. sources of electrical interference 29 sources of GPS error 19 Special Message 125 specifications 131 SRCH position type 48 standard features 16 status satellite DGPS 48 WAAS EGNOS DGPS 49 Status menu 54 support 12 T technical assistance 12 technical support 12 Thales activating 67 configuring 64 contact 64 selecting a reference station manually 68 Srv Info screen 88 Thales vvebsite 23 time in 3D position 20 Time Position Position Type and DOP Values 124 Topographic Engineering Center vvebsite 21 tracking satellites 48 TRCK position type 48 Trimble proprietary messages 103 Trimble vvebsite 11 troubleshooting 85 U Units screen 55 DSM 132 132RS Receiver User Guide 141 Index upgrade options websites activating 81 EGNOS 23 method AgGPS 70 RDL 82 National Geodetic Survey 21 method AgRemote software 82 OmniSTAR 23 method Flashloader 100 82 RTCM 18 UTC Thales 23 GRS sentence 112 Topographic Engineering Center 21 GST sentence 114 Trimble 11 WAAS 23 V X Valid Password message 56 VTG sentence 119 XTE message 120 W WAAS website 23 WAAS EGNOS DGPS status information 49 WAAS EGNOS DGPS configuration 69 WAAS EGNOS T2 Remap screen 69 142 DSM 132 132RS Receiver User Guide
87. t Base Station mode 1 Navigate to the Base Stn Config menu Press R until the Base Station Mode screen appears Press BY to activate the cursor Press ES or A to select ON RN Press ES to save the change Setting the PRC mode Use the PRC Interval screen PseudoRange Correction to set the calculation interval PseudoRange Correction is applied to the rover receiver s computed GPS position to correct the final position output 1 Navigate to the Base Stn Config menu 2 Press Y until the PRC Interval screen appears 78 DSM 132 132RS Receiver User Guide Configuring the Receiver 5 3 Press to activate the cursor 4 Press EY or Y to change the PRC interval 5 Press BY to save the changes DSM 132 132RS Receiver User Guide 79 5 Configuring the Receiver 80 DSM 132 132RS Receiver User Guide CHAPTER Activating Firmware Options In this chapter m Introduction m Installing an Option m Using an Option DSM 132 132RS Receiver User Guide 81 6 Activating Firmware Options Introduction This chapter describes how to activate and use the firmware options that you can purchase with the DSM 132 receiver see Table 6 8 Table 6 8 Firmware options Part Number Option 36429 30 Differential Base Station 36429 20 EVEREST Multipath Rejection 36429 50 RTS CTS Flow Control Negotiation For more information see Receiver enhancements page 17 Installing an Option To install and a
88. tal conditions Although the receiver has a waterproof housing you should install it in a dry location To improve the performance and long term reliability of the receiver avoid exposure to extreme environmental conditions including water excessive heat gt 65 C or 149 P excessive cold 4 20 C or 4 F high vibration corrosive fluids and gases Electrical interference As far as possible when you install the receiver and antenna you should avoid placing them near sources of electrical and magnetic noise such as gasoline engines spark plugs PC monitor screens alternators generators or magnetos electric motors blower fans equipment with DC to AC converters switching power supplies radars active marine TV antennas CB radio antennas cellular phone antennas machine accessory lights DSM 132 132RS Receiver User Guide 29 3 Installing the Receiver Routing and Connecting the Antenna Cable A 15 m 50 ft antenna cable PN 21555 1s included with the receiver One end is pre terminated with a straight connector The other end of the antenna cable is not terminated so that it can be routed in the vessel through a minimal sized hole gland If excess cable remains the cable can be cut to size before fitting the right angle TNC connector See Figure 3 2 Antenna cable PN 21555 Figure 3 2 Antenna cable connections 30 DSM 132 132RS Receiver User Guide Installing the Receiver 3 Whe
89. the Topographic Engineering Center http crunch tec army mil software corpscon corpscon html DSM 132 132RS Receiver User Guide 21 2 22 Overview Position Output Format The DSM 132 receiver outputs positions in Degrees Minutes and Decimal Minutes DDD MM m This is the NMEA National Marine Electronic Association standard format and is commonly used worldwide for data transfer between electronic equipment Receiving beacon DGPS To obtain free radiobeacon differential signals the DSM 132 receiver uses dual channel fully automatic beacon receiver electronics and tracks broadcasts that conform to the TALA International Association of Lighthouse Authorities Standard When you use beacon DGPS the receiver selects the closest of the 10 most powerful radiobeacons in the vicinity You can configure the receiver to search for particular station frequencies or use the EZ beacon feature to select local beacons The receiver continuously monitors the integrity of the data received from the differential radiobeacons If it finds unacceptable errors in the data stream the receiver automatically switches to a different radiobeacon if one is available Radiobeacon signal reception is generally not affected by hilly or mountainous terrain e tree canopy e location of the receiver inside a canyon the signal reception depends on the proximity of the receiver to the transmitter Radiobeacon signal reception is affected to v
90. the indicators that can appear in the Position Type field Table 4 2 Position types Display Description SRCH Searching for satellites TRCK Tracking satellites G 2D Outputting 2 dimensional autonomous positions G 3D Outputting 3 dimensional autonomous positions D 2D Outputting 2 dimensional differential positions D 3D Outputting 3 dimensional differential positions Note The symbol in the position type spins when the receiver is operating correctly Satellite DGPS mode status indicators When the receiver is in Satellite mode the second line of the Home screen displays the status indicators shown in Figure 4 10 L Signal to noise ratio of DGPS signal see Table 4 4 Frequency for tracked DGPS satellite Available frequencies vary according to your location and DGPS service provider Receiver is using Satellite DGPS corrections Figure 4 10 Satellite DGPS mode status indicators 48 DSM 132 132RS Receiver User Guide Getting Started 4 Table 4 3 shows the possible satellite differential mode indicators Table 4 3 Satellite differential mode status indicators Indicator Description S IHEHETHHE S N 1E Operating in Satellite Differential mode S SRCH Searching for Satellite Differential signal S TRCK Tracking satellite without acquiring signal lock Table 4 4 explains the signal to noise ratio values for both Satellite and WAAS
91. the position fix in hhmmss ss format 2 Status A Valid V Navigation Receiver Warning V is output whenever the receiver suspects something is wrong Latitude coordinate the number of decimal places 0 7 is programmable and determined by the numeric precision selected in TSIP Talker for a RMC message Latitude direction N North S South Longitude coordinate the number of decimal places 0 7 is programmable and determined by the numeric precision selected in TSIP Talker for a RMC message Longitude direction W West E East Speed Over Ground SOG in knots 0 3 decimal places Track Made Good True in degrees Date in dd mm yy format Magnetic Variation in degrees DSM 132 132RS Receiver User Guide 117 C NMEA 0183 Messages Table C 13 RMC message fields continued Field Description 11 Direction of magnetic variation E Easterly variation from True course subtracts from True course W Westerly variation from True course adds to True course 12 Mode indication A Autonomous D Differential N Data not valid 118 DSM 132 132RS Receiver User Guide NMEA 0183 Messages C VTG Course Over Ground and Ground Speed The VTG Velocity True Ground message identifies the actual track made good and speed over ground The VTG message structure is GPVTGO T 0 00 N 0 00 K 33 Table C 14 describes these fields Table C 14 VTG message fields Fie
92. tics of the L band satellite differential correction receiver with multiple vendor support Table E 5 L Band satellite differential correction receiver with multiple vendor support characteristics Bit error rate 10 for Eb N of gt 5 5 dB Acquisition and reacquisition time lt 5 seconds typical Frequency band 1525 1560 MHz Channel spacing 5 kHz Receiver Default Settings Table E 6 lists the receiver default settings Table E 6 Receiver default settings DGPS Source WAAS EGNOS Dynamics Land Minimum elevation 8 AMU mask 3 PDOP Mask 13 PDOP 2D 3D switch 11 PV Filter D amp S Dynamic and Static mode 134 DSM 132 132RS Receiver User Guide Specifications E Table E 6 Receiver default settings continued C C Filter Enhanced DGPS mode Auto On Off DGPS correction age limit 30 seconds Pos fix rate 1 Hz DSM 132 132RS Receiver User Guide 135 E Specifications 136 DSM 132 132RS Receiver User Guide Index Numerics 1 pps output 18 A accuracy of receiver 15 AgGPS menu system 39 128 AgRemote utility 40 88 altitude 20 antenna connecting cable 30 electrical interference 29 location of 27 mounting 27 28 29 physical characteristics 132 Base Location screen 76 base station 19 editing position 77 mode 78 PRC mode 78 Set From Here 76 setting from averaged positions 77 Base Station mode screen 78 Base Station Option firmware 73
93. ting the default is 13 GPS Mode Change to Manual 3D the default is Auto 2D 3D DGPS Mode Change to DGPS the default is DGPS Auto On Off GPS signals are reflecting off nearby trees and or metal buildings and horizontal surfaces To reduce multipath noise mount the GPS receiver so that it has a clear view of the sky The receiver must be away from trees and large metal objects 86 DSM 132 132RS Receiver User Quide Problem issue Troubleshooting A Possible solution Intermittent loss of lock The receiver loses the satellite signal from time to time Check that all cable connections are secure and free of moisture If necessary disconnect the cables and allow them to dry Then reconnect the cables Make sure that the receiver is mounted on the highest point of the vessel and is clear of metal surfaces Try traveling in a different direction Check Maximum PDOP and Minimum Signal Strength settings see Poor accuracy above Intermittent DGPS signal The correction signal strength can be reduced to unusable levels Causes include tree canopy cover between the receiver and the differential satellite radar sets and microwave transmitters Not tracking satellites or differential signal Make sure that the receiver is mounted away from overhead trees and sources of electromagnetic interference The receiver is not tracking satellites and the Home screen displays Sv 00
94. tions 32 DSM 132 132RS Receiver User Guide Installing the Receiver 3 Plug the e right angle connector into the receiver e straight 9 pin connector into the external device such as a PC running HYDROpro software When routing the cable from the receiver to the external device avoid the hazards listed on page 31 When the cable is safely routed and connected to the receiver use tie wraps to secure it at several points particularly near the base of the receiver to prevent straining the connection Coil any slack cable secure it with a tie wrap and tuck it into a safe place DSM 132 132RS Receiver User Guide 33 3 Installing the Receiver Laptop Computer Figure 3 4 shows how to connect the receiver power data cable to a laptop computer We computer Ni DSM132 Receiver o Cable 30945 Power ve Connect cable 30945 to Port A Figure 3 4 Connecting the receiver to a laptop computer 34 DSM 132 132RS Receiver User Guide CHAPTER Getting Started In this chapter Introduction Front Panel The AgRemote Menu System Using AgRemote Navigating the Menus and Screens Menu System Fields The Home Screen Updating the Firmware DSM 132 132RS Receiver User Guide 35 4 Getting Started Introduction This chapter describes how to set up and begin using the DSM 132 receiver Front Panel The DSM 132 receiver includes an integrate
95. ture of a typical sub menu such as Display Options Top level menu screen Sub menu screen Contrast Screens U nits m Clear Memory ES U Receiver ES pdate Exit screen indicates end of the menu Figure 4 4 Typical menu structure Press R or E to move between screens Within screens select options view receiver status or enter data When 4 appears in a screen press to perform the action specified for that screen DSM 132 132RS Receiver User Guide 43 4 Getting Started Menu System Fields Fields in a screen contain status information or configuration settings Information or settings can appear in fields that are e display only e multiple choice e alpha numeric or alphanumeric Display only fields A display only field shows status information and other data that is automatically generated by the receiver or acquired from satellite signals You cannot edit this field Examples include fields that display the DGPS data on the Home screen and the fields in the screen in Figure 4 5 which show details of the current receiver options Receiver option details field Figure 4 5 Example of a display only field Multiple choice fields In a mulitple choice field you select one option from a list Only one option can appear in the field at one time Press to select a multiple choice field the press or to move throug
96. uby JO SY 8000 epinB siu o unau panjosal si uondeoo1 enojes Sd ueuw eping Bunoousejqnojt uondeoed Sd9 eui ees f SOA oN 1 Esopayes y 1989 ye Bunjoei 19419991 eui si uondeoe Sd uaalos WOH ajoweyby JO BY YOOUD LYVLS Jeya9mo y Bunoouse qnoj sejeu Thales troubleshooting flowchart Figure A 4 DSM 132 132RS Receiver User Guide 96 APPENDIX B Cables and Connectors In this chapter m introduction m Port A and Port B Connectors m Standard Power Data Cable DSM 132 132RS Receiver User Guide 97 B Cables and Connectors Introduction This appendix contains pin out information for the DSM 132 receiver standard and optional cables Use the information to troubleshoot communication problems with the receiver and devices not supported by the standard and optional cables Port A and Port B Connectors Table B 1 gives pin out requirements for the DSM 132 receiver Port A and Port B connectors Table B 1 DSM 132 Port A and Port B Pin Port A connector Port B connector 1 Event In Event In 2 RS 232 B Out RS 232 A Out 3 RS 232 B In RS 232 A In 4 CAN Hi CAN Hi 5 Ground Ground 6 RTS Out RTS Out 7 Power On Off Power On Off 8 CTS In CTS In 9 CAN Low CAN Low 10 Battery V Battery V 11 Battery V Battery V 12 1 PPS Output 1 PPS Output 98
97. ver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes and modifications not expressly approved by the manufacturer or registrant of this equipment can void your authority to operate this equipment under Federal Communications Commission rules Contents 1 Welcome a a sorte O Moro A 11 Related Information 11 Technical Assistance 12 Your Comments 2 og RU re Ba ae pc 12 2 ie Sho 13 Introductions es e eX Ee SB a Par ee ee yas 14 The DSM 132 Receiver 14 Standard features 16 Standard Features DSM 132RS 17 Receiver enhancements 17 Receiver input output 18 Differential GPS DGPS 19 Sources of GPS error 19 DGPS accuracy oe YORUR RAR RB ss 20 Position O tp t use aza s k PURIS sads 21 Receiving beacon DGPS 22 Receiving satellite DGPS 23 Receiving DGPS Corrections from Other Sources 24 Generating DGPS Corrections 24 3 Installing the Receiver 25 System Components 26 Optional extras if
98. ver 28 multipath 19 20 N National Geodetic Survey website 21 National Marine Electronic Association NMEA 103 navigation maps 128 NMEA out screen 84 NMEA 0183 messages 103 checksum values 105 description 101 field formats 106 GGA 109 GLL 111 GRS 112 GSA 113 GST 114 GSV 115 latitude and longitude values 107 null fields 106 PTNL GGK 124 PTNLDG 123 PTNLEV 121 PTNLID 122 PTNLSM 125 reading NMEA string format 107 RMC 117 sample structure 105 selecting for output 60 structure 104 summary 107 symbols and delimiters 105 Talker ID Codes 106 time values 107 VTG 119 DSM 132 132RS Receiver User Guide 139 Index XTE 120 ZDA 104 120 NMEA T screen 61 o Omni activation screen 66 Srv Info screen 64 88 OmniSTAR activating 65 configuring 64 contacting 63 manual service activation 66 satellite beam 88 OmniSTAR website 23 output 1 pps 18 outputting 2D autonomous positions 48 2D differential positions 48 3D autonomous positions 48 3D differential positions 48 P password for FlashLoader 100 83 PDOP 20 PDOP Mask 86 performance characteristics GPS channels 133 physical characteristics combined antenna 132 DSM 132 receivers 132 pin out diagrams dual interface cable 99 Port A 98 Port B 98 140 DSM 132 132RS Receiver User Guide tables 97 Port A Config menu 57 61 62 Port A Config screen 84 Port A Input Output screen 60 Port B Config screen 84 Port Input Output screen 74 port output rate configurati
99. y Exclusions and Disclaimer These warranties shall be applied only in the event and to the extent that i the Products and Software are properly and correctly installed configured interfaced maintained stored and operated in accordance with Trimble s relevant operator s manual and specifications and ii the Products and Software are not modified or misused The preceding warranties shall not apply to and Trimble shall not be responsible for defects or performance problems resulting from i the combination or utilization of the Product or Software with hardware or software products information data systems interfaces or devices not made supplied or specified by Trimble ii the operation of the Product or Software under any specification other than or in addition to Trimble s standard specifications for its products iii the unauthorized installation modification or use of the Product or Software iv damage caused by accident lightning or other electrical discharge fresh or salt water immersion or spray or v normal wear and tear on consumable parts e g batteries Trimble does not warrant or guarantee the results obtained through the use of the Product THE WARRANTIES ABOVE STATE TRIMBLE S ENTIRE LIABILITY AND YOUR EXCLUSIVE REMEDIES RELATING TO PERFORMANCE OF THE PRODUCTS AND SOFTWARE EXCEPT AS OTHERWISE EXPRESSLY PROVIDED HEREIN THE PRODUCTS SOFTWARE AND ACCOMPANYING DOCUMENTATION AND MATERIALS ARE PROV

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