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LD2 Operations Manual VERIPOS

1. 2 Operation Far East stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 301 Singapore GPS GLO 143 5E POR IOR x x 302 Labuan GPS 143 5E POR JIOR x x 303 Jakarta GPS 143 5E POR JIOR x x 304 Balikpapan GPS 143 5E POR JIOR x xX 305 Bangkok GPS 143 5E POR JIOR x Xx 306 Shenzhen GPS 143 5E POR JIOR x 307 Shanghai GPS 143 5E POR JIOR x 309 Kushiro GPS 143 5E POR x 310 Sakhalin GPS GLO 143 5E POR Xx x 311 Kemamam GPS POR x x 313 Manila GPS GLO 109E POR IOR x x x 315 Seoul GPS 109E POR x Australian and New Zealand stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 401 Darwin GPS 143 5 POR IOR x x 402 Broome GPS GLO 143 5 E POR IOR x 403 Dampier GPS 143 5E POR IOR x x 404 Perth GPS 143 5E POR IOR x 406 Melbourne GPS 143 5E POR x 408 Hobart GPS GLO 143 5 POR x x 409 Auckland GPS GLO 143 5E x x 411 Dunedin GPS 143 5E POR x 108 144 LD2 Operations manual AB V MA 00512 veripos 2 7 6 NMEA 0183 messages 2 7 6 1 GGA LD2 Operations manual AB V MA 00512 2 Operation Essential fix data which provides 3D location and accuracy information SGPGGA 123519 4807 038 N 01131 000 E 1 08 0 9 545 4 M 46 9 M 08 1004 47 GGA data message defined GGA 123519 4807 038 N 01131 000 E Fi
2. Figure 9 Port 3 Switch on the Back of the LD2 Port 3 on the LD2 can be used for multiple inputs and outputs Output raw GPS To output raw GPS data on serial port P3 the Port 3 switch on the back of the LD2 must be in the GPS position In this configuration the menu selec tions under P3 Setup have no effect Note that the Port 3 switch is not fitted to earlier units Configure GPS card To configure the GPS receiver the Port 3 switch on the back of the LD2 must be in the REM I O position From the above display repeatedly press Toggle until GPS is displayed then press the Enter key The cursor will move to the lower line of the display which shows the baud rate Repeatedly press the Toggle key until the required baud rate is displayed then press Enter The GPS receiver is configured via port P3 using the utility software provided by the manufacturer This will vary depending on which type of receiver is installed Output NMEA messages NMEA type messages can be output from port P3 The Port 3 switch on the rear of the LD2 must be in the REM I O position The port P3 settings on the front panel should be set to SKT When the screen above is dis played use the Toggle key until SKT is displayed and press the Enter key To select the NMEA strings to be output see the GPS Port B setup in the previous section 87 144 2 Opera
3. All initial contacts regarding technical or support issues should be initially addressed to the VERIPOS Helpdesk Where appropriate the Helpdesk will refer issues to the regional operations and engineering teams 4 1 VERIPOS UK SS LH 4 1 1 Helpdesk Helpdesk telephone Helpdesk facsimile VERIPOS UK Operations project management Helpdesk e mail VERIPOS Online support _ NOTE Prospect Road Arnhall Business Park Westhill Aberdeenshire AB32 6FE United Kingdom Greenwell Road East Tullos Aberdeen AB12 3AX United Kingdom 44 0 1224 527104 44 0 1224 748204 44 0 1224 526000 helpdesk veripos com http help veripos com If shipping equipment back to VERIPOS please contact the Helpdesk who will provide the current shipping address according to the user s area of operations LD2 Operations manual AB V MA 00512 143 144 4 Contact information veripos amp 4 2 Additional VERIPOS offices 15990 North Barker s Landing Suite 130 Houston Texas 77079 USA 26 Changi North Crescent Diethelm Keller Building 04 01 Singapore 499637 Rua do Caldeireiro s n Lote 10 Quadra G Bairro Mar do Norte Rio das Ostras RJ Brazil 28890 000 omi it Calle 61 No 5 entre 26 y 26 A Col Revolucion Cuidad Del Carmen Campeche Mexico EF 144 144 LD2 Operations manual AB V MA 00512
4. The above information is updated periodically For the latest listing visit http help veripos com e When changing location or in areas where satellite footprints overlap it may be necessary for the user to change to a different satellite channel or beam e Sixteen channels have been allocated of which seven satellite channels have been pre stored This allows the user to select an appropriate chan nel for a region See section section Figure 10 Global coverage chart LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 To select beam From the main menu press Page key until Main Menu Configuration is displayed Press Enter key to access the next menu level this will display the below screen Press Enter key to access the next menu level This will display the below screen Press Enter again to access the downlink channel table Now Press the Toggle key to step through the available downlink beams When the desired beam is displayed press Enter This will move the cursor to the right hand side of the screen and the letter N will be displayed To change which beam corrections are being received press the Toggle key This will change the character from an N to a Y and follow with Enter to confirm the change The screen will now display The chevron gt indicates that this is the selected beam Good practice after selecting a
5. Velocity made good GPVTG 054 7 T 034 4 M 005 5 N 010 2 K 33 VTG data message defined VTG Track made good and ground speed 054 7 T True track made good degrees 034 4 M Magnetic track made good 005 5 N Ground speed knots 010 2 K Ground speed kilometers per hour 33 Checksum data always begins with Note that as of the 2 3 release of NMEA there is a new field in the VTG sentence at the end just prior to the checksum Receivers that don t have a magnetic deviation variation table built in will null out the Magnetic track made good 111 144 2 Operation veripos amp gt 2 7 6 5 GSA GPS DOP and active satellites This sentence provides details on the nature of the fix It includes the numbers of the satellites being used in the current solution and the DOP DOP dilution of precision is an indication of the effect of satellite geometry on the accuracy of the fix It is a unitless number where smaller is better For 3D fixes using four satellites a 1 0 would be considered to be a perfect number however for overdetermined solutions it is possible to see numbers below 1 0 There are differences in the way the PRN s are presented which can effect the ability of some programs to display this data For example in the exam ple shown below there are five satellites in the solution and the null fields are scattered indicating that the almanac would show satellites in the null posi tions that are not being used as part
6. 5 0 sem em ewe CE O O il eek Port 3 D9 Female Port 4 D9 Female Port 5 D9 Female Port 6 HD15 Female 18 144 Port 1 is the primary NMEA output for position either from the LD2 processor or GNSS card For ZDA with 1PPS use P1 to output from GNSS card Port 2 is the primary RTCM output and is used for internal connections by the processor algorithms The processor card is capable of utilizing 4 stations in this way Port P3 is used for the remote control of the GPS Receiver and the Demodulator Board GPS Gives Raw GPS out when the Port 3 switch on the back panel of the LD2 is in the GPS position DEM Demodulator gives access to the Demodulator for Firmware upgrades when the switch on the back panel of the LD2 is in the REM I O position SKT socket allows for NMEA type messages to be output when port B on the GPS LD2 has been configured to output such messages OFF No data is output from the port Port 4 is the secondary RTCM output Port 5 is the GPS I O port It is internally connected to Port A of the GNSS card When the Port 5 setting is switched to Remote raw GNSS measurements are available on Port 5 for use with external positioning software such as Veripos Verify QC In this mode the GPS menu system becomes disabled When the Port 5 setting is switched to Off the GPS configuration menu s
7. Enable requests can also be submitted by telephone to the VERIPOS Help desk see Contact information chapter for current phone numbers Before calling Veripos please refer to a signal notification form to ensure that all the required information is available VERIPOS provide a range of services which are available in various combi nations When requesting an enable code the user must specify which serv ices are required The full listing of services is provided on the SNF The choice of services affects both pricing and system accuracy NOTE Some services are only available on units with specific hardware installed 2 3 2 4 Enabling the unit Please refer to instructions on the SNF Once VERIPOS receive the SNF form containing the current code and serv ice requirements the Helpdesk now ENABLE THE LD2 OVER THE AIR so the example below NO LONGER APPLIES Skip on to Section 2 3 3 Enter this code into the screen using the Toggle and Enter keys The confirmation code will change automatically when the access code is entered The new confirmation code 42FF in the example must now be reported back to the VERIPOS Helpdesk This is needed to ensure that the unit has been successfully activated As confirmation the ID LED on the front panel will change from a flashing to a solid light indicating the LD2 is enabled for use 26 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation NOTE Afte
8. LD2 Operations manual AB V MA 00512 Pressing Toggle will step through the available options which are I P OFF GYRO IN RTCM IN Pressing Enter will accept the displayed option and move the cursor to the bottom line to enable baud rate selection Pressing Toggle will step through the available options which are 1200 1800 2400 4800 9600 19 200 and 38 400 Pressing Enter will accept the displayed option NOTE Because of inherent limitations on USB cable length a USB to serial con verter is usually required These converters use a software driver A specific model is required to ensure compatibility with firmware of the LD2 proces sor VERIPOS recommend the AMPLICON USB 232U It requires no external power and is opto isolated making it suitable for DP fits Full product details are available at http www amplicon co uk Data Comms product RS232 USB USB 232U 2948 cfm Contact the VERIPOS Helpdesk for advice and information HF MF beacon configuration Depending on the variant model supplied the LD2 can be fitted with either of two cards to process HF MF signals e HF MF 3001 card is required when using VERIPOS HF stations It can also be used with third party MF stations e Beacon SBX 4 card is supplied for clients using the MF beacon net work This card cannot receive VERIPOS HF stations The LD2 will display configuration menus depending upon which card is installed Both of these are acce
9. 28 144 veripos Press Enter followed by Page to show Press Enter to access the Signal Status page This display is for an LD2 unit see below for LD2S display This display is for an LD2S unit see above for LD2 display The displays show the following information l D3 U The text at the left of the top line 98WEST shows the name of the selected beam satellite The possible options are AORE AORW POR IOR 25E 143 5E and 98W The remainder of the top line shows the signal quality a The LD2 displays a signal voltage 3 5V and the BER E 7 Possible signal voltages are 0 0 V to 3 5 V Acceptable values are 2 0 V to 3 5 V Possible BER bit error rate values are E 0 to E 7 Acceptable values are E 5 to E 7 Note It is important to monitor the BER values It is sometimes possible to have high signal strength but a poor BER b The LD2S displays signal strength in the typical range 38 47dB Hz The left of the bottom line shows the lock status 4 For correct operation all four diamonds must be displayed see table below for pos sible displays and their meanings The centre of the lower line shows the frequency offset 000610HZz This will typically show values in the range 3000 Hz The right of the lower line shows the service ID ID R or ID V For correct operation this is ID R for an LD2 and ID V for an LD2S LD2 Operations manual AB V MA 00512 veripos 2 O
10. Allow time for the L band card to acquire a lock When the Sync indicator LED is lit it confirms the LD2 is receiving the selected beam You can check the signal strength in the Demodulator Status menu see section section 2 3 3 Checking demodulator status on how to do this HF MF Lock O GPS Message O DGPS Note Labelling of LED s may vary with LD2 model 2 8 2 1 Note of Fleet broadband 120 144 Fleet broadband service is available from three satellites e 98W I 4 Americas 25E Il 4 EAME e 143E 1 4 Asia Pacific Fleet broadband terminals may be used instead of Inmarsat B and Fleet 77 55 terminals VERIPOS reviews coverage for our services and provides users with updates to assist when selecting services and cover for operational regions See the VERIPOS VOSS for updates at http help veripos com Fleet broadband services must be carefully considered when planning dual beam operations with one beam using a Fleet broadband terminal LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 8 3 LD2 Example EAME region dual beam use Previously access to the AORE satellite beam could have been made using an Inmarsat terminal Correspondingly a spot omni antenna would be used to receive the VERIPOS corrections from the 25E satellite beam Where Fleet broadband Inmarsat terminal is used access to VERIPOS augmentation services in this region would be via the
11. Ce oe Ce ry 66 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 1 7 Configuration HF MF receiver MF setup NOTE This menu is only present if the relevant MF card is installed in the LD2 Var iant Note Shaded area LD2S LD2 Operations manual 67 144 AB V MA 00512 2 Operation veripos amp gt 2 7 1 8 Configuration Beacon receiver NOTE This menu is only present if the relevant MF card for IALA is installed in the LD2 Variant 68 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 1 9 Status En OS For variant where an IALA MF card is fitted 2 7 1 10 Status Demodulator Note Shaded area LD2S LD2 Operations manual 69 144 AB V MA 00512 2 Operation veripos 2 7 1 11 Status GPS Page Enter Page Enter Page Enter 70 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 1 12 Status HF MF Menus are available for LD2 variant where HF MF card installed LD2 Operations manual 71 144 AB V MA 00512 2 Operation veripos amp gt 2 7 1 13 Status Beacon 2 7 1 14 System test Oo 5 72 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 1 15 System information A WARNING Do NOT make changes to entries in these menus Do
12. Main Menu Status screen displayed Enter Page 2x to Status HF MF Receiver Enter to show Channel Status Enter to access sub menu below Toggle between channels 1 and 2 to confirm status GPS indicator on the front panel reports satellite status from a GGA telegram which the unit normally outputs through port P1 Flashing indicates the number of satellites used in the position computation This telegram is present when using the default unit configuration It may be disabled if certain optional configuration settings are applied It is therefore possible for the indicator to be extinguished even when good GPS signals are present Sync HE MF Lock ID Oe Message O DGPS Note Labelling of LEDs may vary with LD2 model Alternatively GPS status may be checked using the menu Page x times until Main Menu Status screen displayed Enter to show Status Demodulator Page to show Demodulator GPS Receiver Enter to view sub menus Page and Enter cycles through sub menus to view including Position DOP s and SV s in View LD2 Operations manual AB V MA 00512 127 144 2 Operation veripos amp gt 2 9 Specifications 2 9 1 LD2 specifications Mechanical Receiver size 19 inch rack mount x 1U height x 32 cm depth Weight 5 kg 111b Display 2 line x 20 character back lit liquid crystal display LCD Electrical Input voltage 85 to 264 V
13. Std Std Std2 HF Stations 12 Lagomar HF x 14 Carmen HF North amp Central America stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 501 Houston GPS 98W AORW x x 502 Baton Rouge GPS GLO 98W AORW x x 503 Carmen GPS 98W AORW x x 504 Trinidad GPS GLO 98W AORW x x 505 St Johns GPS GLO 98W AORW x x 506 Halifax GPS 98W AORW x 509 Tampa GPS 98W AORW x x 510 Tampico GPS GLO 98W AORW x x x 511 Costa Rica GPS 98W AORW x x 512 Curacao GPS 98W AORW x x 513 Fairbanks GPS GLO 98W POR x x LD2 Operations manual 105 144 AB V MA 0051 2 2 Operation veripos amp gt South America stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 601 Rio de Janeiro GPS AORW 98W x x 602 Macae GPS GLO AORW 98W x x x 603 Catu GPS AORW 98W x x 604 Belem GPS AORW 98W x x 605 Natal GPS GLO AORW 98W Xx x x 606 Porto Alegre GPS AORW 98W x x 607 Buenos Aires GPS AORW 98W x x 608 Lima GPS AORW 98W Xx Xx 609 Chiclayo GPS AORW 98W x x 610 Falklands GPS AORW 98W x NWECS stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 701 Wick GPS AORE Xx 702 Netherlands GPS 25E AORE x 703 Bodo GPS 25E AORE x 704 Kristiansund GPS GLO 25E AORE x x
14. amp 2 7 5 7 SV sin view Press the Enter key to view the status page The information below is displayed e PRN e signal to noice S N e azimuth A Z e elevation EL Press Toggle to page through all the SV s in view 2 7 5 8 VERIPOS station listings VERIPOS reference stations are listed below The listing is up to date at time of publication The latest VERIPOS station listing can be found on the VERIPOS online support system http help veripos com 2 7 5 9 IALA beacons A listing of IALA MF stations is available from http site ialathree org Select IALA Lists of Radionavigation Services VERIPOS accept no responsibility for use of correction signals provided by third parties with VERIPOS equipment 2 7 5 10 VERIPOS Ultra APEX ID s Service Station ID NMEA Station ID Ultra 68 0068 Ultra2 68 75 0268 APEX 81 0081 APEX2 81 82 0281 104 144 LD2 Operations manual AB V MA 00512 veripos 2 7 5 11 Reference stations This list is valid at time of production September 2013 The Veripos reference station ID s and beam transmission information are listed and updated regularly on VOSS at http help veripos com Please consult the Station table for latest information 2 Operation HF stations Station ID Name Type Beam Service Type Comments 1 2 3
15. AB V MA 00512 2 Operation veripos amp gt 2 6 Access code The access code procedure is explained in detail in section section 2 3 2 Ena bling and disabling the LD2 2 6 1 Model variant e The LD2S unit can only be enabled or disabled when receiving L band signals from a geo stationary satellite the Access Code screen may be blank e LD2S users must ensure that the Sync indicator is illuminated before attempting to enter enable or disable codes see the Troubleshooting chapter e The ID indicator light will be extinguished when the unit is first switched on when using an LD2S The ID indicator light will not come on until the unit has locked to the L band signal Sync indicator illuminated 2 6 2 Checking current status The current unit status can be determined from the ID LED on the front panel ID LED is on and solid LD2 is enabled ID LED is flashingLD2 is disabled NOTE As noted above the indicator may be blank if the unit is an LD2S and no L band signal is received 2 6 3 Determine current access code To enable or disable the unit the user must manually enter a four digit code which is supplied by the VERIPOS Helpdesk see section section 2 3 2 2 Determine current access code for details 2 6 4 Request enable disable code Requests for enable disable codes should be made using the signal notifica tion form SNF This should be submitted by email
16. ACCESS INSTRUCTIONS PLEASE DOWNLOAD THE LATEST FORM FROM VOSS AT HTTP HELP VERIPOS COM 136 144 LD2 Operations manual AB V MA 005 Vveripos amp 2 Operation veripos This table removed S SNF on VOSS LD2 Operations manual 137 144 AB V MA 00512 2 Operation veripos amp gt This page intentionally blank 138 144 LD2 Operations manual AB V MA 00512 veripos 3 Troubleshooting 3 Troubleshooting LD2 Operations manual AB V MA 00512 The equipment is designed and manufactured to exacting standards and once installed and operated correctly should provide prolonged trouble free service This section of the manual is intentionally brief VERIPOS understand the pressures on workers in the offshore industry and do not believe that a printed manual can provide adequate support if problems arise VERIPOS encourage all users to promptly report any problems or operating queries to the VERIPOS Helpdesk so that they may receive immediate personal assistance The Helpdesk is manned 24 hours per day 365 days per year Details are given in the Contact Information chapter The duty operator is trained to provide direct assistance with the most com mon queries and problems
17. GPS RX mode output baud rate may vary 122 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation Step 2 Config strings output for P1 in LOCAL mode In LOCAL mode from the Configure GPS menu screen Page x times to Main Menu Configuration Enter Page to Configuration GPS Receiver Enter Page 4x until Port A Settings Enter Enter to sub menu screen below Enter to String Select then Toggle through the available NMEA strings listed below Enter Toggle Enter to select strings to be output OFF disabled 1 0 0utput at 1 Hz Multiple strings may be output from P1 LD2 Operations manual AB V MA 00512 Positioning messages Message Description type GGA Position fix data which provide 3D location and accuracy data GGX GGA with a position accuracy at seven 7 decimal places GLL Geographic latitude and longitude VTG Velocity made good GSA It includes the numbers of the satellites being used in the current solution and the DOP GSV Satellites in view shows data about the satellites that the unit might be able to find based on its viewing mask and almanac data RMC Position velocity and time data ZDA Date and time GRS GPS range residuals GST GPS pseudorange noise statistics For details of these strings see section 2 7 6 NMEA 0183 messages GPS and DGPS lit when GGA or GGX string enabled Sync HF MF Lock ID Messag
18. NOT Change entries on the System Information menus a a 2 7 1 16 Access code Refer to section 2 3 2 2 Determine current access code _ penis ew RS LD2 Operations manual 73 144 AB V MA 00512 veripos 2 Operation 2 7 2 Configuration mode The configuration menu allows the user to setup the different components of the LD2 Demodulator GNSS receiver Serial ports and HF MF receiver The menu maps are detailed in To access the Configuration menu press the Page key until Configuration is shown in the Main menu then press the Enter key 2 7 2 1 Demodulator menu From the main menu Configuration screen access the demodulator func tion by pressing the Enter key The following screen is shown This provides access to three submenus which will allow selection of the satellite beam channel used to receive the VERIPOS corrections The user defined submenu allows a channel frequency to be entered manually Channel select VERIPOS correction data are broadcast from geostationary satellites beams see below VERIPOS Satellite Downlinks 74 144 Satellite ULTRA ID APEX ID Status Power 98W 68 81 Operational High power AORW 68 81 Operational High power 25E 68 81 Operational High power AORE 68 81 Operational High power IOR 68 81 Operational High power 143 5E 68 81 Operational High power POR 68 81 Operational High power
19. Pressing the Enter key after selecting the baud rate moves the cursor to the left of STN The user can choose to terminate the RTCM output string with a line feed LF or carriage return CR Press Toggle to display the CR status as shown below The final N indicates that CR is disabled Pressing Toggle again displays a similar screen for LF Pressing Toggle for a third time reverts to the original STN 0069Y dis play To change the status of either CR or LF press Enter from the appropriate screen The cursor will move to the left of the final character The Toggle key will then toggle the value between Y and N Press Enter to accept NOTE The option described above is omitted from some models of the LD2S When both entries are as required press Toggle to return to original STN 0069Y display Now press Enter to move to the reference station selec tion point Reference stations The default setup for port P2 is to output all RTCM messages NOTE Only reference stations received from the L band input are available on port P2 and port P4 If the unit receives HF MF corrections these are only output on the Ethernet port See port details in section section 2 10 1 I O port details 85 144 2 Operation 86 144 veripos Select which of the available reference stations should be included in the RTCM data used for internal computations and also where selected output
20. SMA type Speaker connector phono type 10 USB port 11 LAN port RJ45 type 12 5 x serial data ports RS 232 13 VGA display port 14 Power socket with on off switch 2 1 2 1 GNSS antenna connector Connect the GPS GNSS antenna here This is the antenna that is used to receive GPS GNSS signals Do not stress connector GPS QO O Oe Cos cos 54 D Ep So em lt em gt ew E J 2 1 2 2 HF MF antenna connector ne This input is only present only where a HF MF card is installed Not present on all LD2 variants O If the LD2 variant is configured for an HF MF system connect the HF MF antenna here HF MF systems require the HF MF antenna and LD2 chassis to be earthed in order to maximize HF MF signal reception AU EEE E E OL LD2 Operations manual 15 144 AB V MA 00512 2 Operation 2 1 2 3 PS 2 port MSE KBD S eee 0 l Er veripos Standard PS 2 port for the connection of optional keyboard or mouse requires PS 2 Y splitter 2 1 2 4 L band antenna connector L BAND PS N NA ALATI ST o O Oe 68 8 x gt lt gt E E
21. a new region but the demodulator has not been re configured Check demodulator status to determine current channel selected see procedures in the Operation chapter If not appropriate for region select new channel see procedures in the Operation chapter L band signal is derived from vessel s Inmarsat Inmarsat has lost lock or has switched to a different satellite Check demodulator status to determine current channel selected see procedures in the Operation chapter Verify that the Inmarsat is tracking the same satellite Antenna blockage Visually check whether the path between the antenna and satellite is subject to blockage this can easily occur when the vessel is in port or along side a large structure Blockage can also be caused by the vessel s own super structure This can usually be eliminated by changing heading Interference Investigate any source of L band transmissions Also high power transmissions of other frequencies If possible shut down possible sources to eliminate them Ant V toggle turned OFF when using SPOT antenna Set toggle switch to ON Warning Do not set to ON when connected to Inmarsat Antenna disconnected or inoperative Visually check antenna and cable for possible damage Check coaxial connections LD2 Operations manual AB V MA 00512 veripos 4 Contact information 4 Contact information
22. aid the user VERIPOS recommend Verichart software to plot regional operational coverage charts Verichart can aid when selecting beams and sta tions It also provides azimuth and elevation information for geo stationary satellites useful for predictions Verichart may be downloaded from VOSS see below for details 1 8 VERIPOS Helpdesk VERIPOS encourage all users to promptly report problems or operating que ries to the Helpdesk so that they may receive assistance The VERIPOS Helpdesk is the first point of contact for technical enquiries and fault reports It is manned 24 hours per day 365 days per year Helpdesk contact details are in the Operation chapter For assistance with basic troubleshooting see the Troubleshooting chapter We recommend initial contact is made by email to the Helpdesk Users can also create a fault ticket on the Web site This will ensure contact details and the description of the fault are correctly recorded The duty operator is trained to provide direct assistance with most queries and problems and can request technical staff to provide support for more complex issues LD2 Operations manual 9 144 AB V MA 00512 1 Introduction veripos amp gt 1 9 VERIPOS online support VOSS VERIPOS have an online customer support system called VOSS VERIPOS online support system VERIPOS recommend users frequently view the announcements made on this system VOSS includes a facility for r
23. become active again and Port 5 becomes disabled This is the VGA port used to connect an external monitor to the LD2 Only used when Verify DP is activated and in use LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 1 4 Power socket with on off switch EEA The LD2 uses a standard IEC connector for power interfacing The power interface has a built in fuse holder and power switch Replace fuse with a 250V 1A anti surge 20 mm TVR A 22 ae Gp Gp Gp TU EERE 2 2 Main menu structure LD2 Operations manual AB V MA 00512 Nearly all LD2 configuration and monitoring is performed using the two line LCD in conjunction with the 3 key switch pad and menu system Additional controls are by the two toggle switches mounted on the rear panel The diagram below shows the top level menu Menu map diagrams detailing the complete menu structure are in section section 2 7 1 Menu structure NOTE Repeatedly pressing the Page key from anywhere within the menu struc ture will return the user to the main menu 19 144 2 Operation veripos amp gt 2 2 1 Main menu Figure 3 LD2 High Level Menu Structure Press Page to step to the required section Press the Enter key to access the sub menu 20 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 Operating procedures 2 3 1 Initial start
24. ceaeeaeceeeeeeeeeeesenecneaeeeeeeeeeeeeteees 12 2 Operation rennes nd a ane E a a eine 13 2 1 User interface ccctestccscecisnhecetteviaccnhccthoneatedeisaceastceeaceadendsanciednagsaacccnabaeened 13 2 1 1 Front paneloinnin eaaa a aa radedendarveadaeds 13 2 1 2 Rear panel 32m den aide serie a aaa 15 2 1 3 Serial ports and VGA connector 2 cccceeceeeeeeeeeeeeeeceeeeeeeteeeeeees 18 2 1 4 Power socket with on off switch cccccceeeeeeeeeeeeeetteeeeeeeeeneees 19 2 2 Main mMenu Structure sssctnsttosetaneaesfnren transat 19 2 2 1 Main Men iaiaeiaeiaa a a aa aandaa 20 2 3 Operating procedures sarii naniii aaa a iaaea aeai 21 2 3 1 Initial start up Of LD2 oesi aieiaa aaa a a 21 2 3 2 Enabling and disabling the LD2 oe eeceeeeenneeeeeeeeneeeeeeenaes 24 2 3 3 Checking demodulator status eseeessneseernnesesnnnessnnnnaseeenneennsnnases 27 2 3 4 Configuring LD2 demodulator to receive corrections 29 2 3 5 Available reference stations cccccecceeeeeeeeeeeeeeneeeeeeeeeeeeteees 33 2 3 6 Configuring demodulator channel 16 ssseeseessseseesseeerrseerrrsseerrrssee 35 237 2Checkitig GPS SAUS eee O 38 2 3 8 Configuring RTCM output ports sissssesesirinrssnnineernnaniisnnnrerennannninnians 42 2 39 Configuring position output from port P1 eeeeeeeeeeeeeeeeeeeeeeeeeee 45 2 3 10 Configure to receive VERIPOS HF corrections 49 2 3 11 Reconfiguring
25. is enabled the indicator flashes when the system is disabled e The Message indicator will normally be extinguished It is only illumi nated if a message has been received from the VERIPOS Helpdesk e The GPS indicator should normally be illuminated This confirms that the unit is receiving good GPS signals NOTE This indicator reports the satellite status from a GGA telegram which the unit normally outputs through port P1 Flashing indicates the number of satellites used in the position computation This telegram is present when using the default unit configuration but may be disabled if certain optional configuration settings are applied It is there fore possible for the indicator to be extinguished even when good GPS signals are present e The DGPS indicator should normally be illuminated This confirms that the unit is receiving good RTCM corrections NOTE This indicator reports the position correction status from a GGA telegram which the unit normally outputs through port P1 This telegram is present when using the default unit configuration but may be disabled if certain optional configuration settings are applied It is there fore possible for the indicator to be extinguished even when good correc tions are available e The HF MF Lock indicator should be illuminated if the unit is config ured to receive HF MF corrections and the vessel is in a location where adequate signals are available NOTE On e
26. of this solution Other receivers might output all of the satellites used at the beginning of the sentence with the null field all stacked up at the end This difference accounts for some satellite display programs not always being able to display the satellites being tracked Some units may show all satellites that have ephemeris data without regard to their use as part of the solution but this is non standard SGPGSA A 3 04 05 09 12 24 2 5 1 3 2 1 39 GSA data message defined GSA Satellite status A Auto selection of 2D or 3D fix M manual 3 3D fix values include 1 no fix 2 2D fix 3 3D fix 04 05 PRN s of satellites used for fix space for 12 2 5 PDOP dilution of precision 1 3 HDOP horizontal dilution of precision 2 1 VDOP vertical dilution of precision 39 Checksum data always begins with 112 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 6 6 GSV LD2 Operations manual AB V MA 00512 Satellites in view shows data about the satellites that the unit might be able to find based on its viewing mask and almanac data It also shows current abil ity to track this data Note that one GSV sentence only can provide data for up to four satellites and thus there may need to be three sentences for the full information It is reasonable for the GSV sentence to contain more satellites than GGA might indicate since GSV may include satellites that are not used as part of the soluti
27. offers the following advantages e The VERIPOS algorithms compute a position based on the closest refer ence stations enabled on port P2 up to four stations are utilised The processor therefore computes the optimum position available from the selected stations regardless of whether all stations are enabled or just a single station If the position is generated in the GPS receiver the configuration of port P2 is constrained by the multi reference capabilities of the specific receiver installed Some receivers specify a maximum number of refer ence stations some only permit a single station In the latter case ena bling multiple stations may result in position noise since fixes will be generated in turn from each individual reference station LD2 Operations manual AB V MA 00512 veripos 2 Operation P2 is also used as the main RTCM output port so potential conflicts are much reduced by using the LOCAL mode e Various NMEA output strings may be configured for output on port P1 In LOCAL mode strings may be easily selected using the LD2 menu system In GPS RX different strings can only be selected by reprogramming the GPS receiver This is accomplished by uploading configuration scripts The receiver is initially configured to output only the ZDA string If the user wishes to change this setting it is advisable to contact the VERIPOS Helpdesk for assistance When in LOCAL mode the output baud rate
28. on port P2 NOTE When using VERIPOS Ultra or Apex service a solution can only be compu ted if the Ultra Apex station ID is enabled Ultra and Apex are available worldwide however the channel ID needs to match the beam selected The Ultra and Apex ID s are shown in section 2 7 5 10 Use Toggle to step through the available stations The stations have the suffix N or Y after the station number The charac ter N indicates that data for that station is being received by the unit but that it has NOT been selected for output on port 2 To output the data on port P2 press the Enter key when that appropriate station is shown and then using the Toggle key to change from N not selected to Y selected Press the Enter key to confirm the selection This completes configuration of the RTCM string as required for use by the internal processor Where user requires a NMEA output from the port the output mode must now be changed as detailed at the beginning of this section The screen will then show If a different baud rate is required press Enter to move the cursor to the second line of the display then proceed as detailed above for RTCM LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 3 3 Port P3 set up LD2 Operations manual AB V MA 00512 PORT3 GPS REMI O oA 2 2 OOO 3 TUER Oo o
29. on socket 5994 when selected on firmware versions 5 83 and above 3 Where an Ethernet connection is used the IP address of the LD2 variant should be configured in the same domain as the connected computer 4 Port 4992 only active if P5 is set to OFF and P1 is set to LOCAL Equipment reboot off on is reqired for LAN port changes to take effect LD2 Operations manual AB V MA 00512 133 144 2 Operation veripos Notes on use with gyro range and bearing I O configuration values to be used Data Address Port VDP aux 127 0 0 1 5001 Gyro HDT serial port 3 127 0 0 1 4990 Gyro HDT USB 127 0 0 1 4997 2 10 2 Signal access licence and service notification form 2 10 2 1 Signal access license SAL VERIPOS correction signals are provided as a chargeable service In order to receive this service the user must first arrange a service access license SAL This takes the form of a contract which is agreed between the user s company and the VERIPOS Operations department The LD2 unit cannot be used until an enable code is obtained from the VERIPOS Helpdesk The helpdesk is not authorised to issue a code unless an active SAL exists and its number can be determined To avoid delays the user should keep a record of the SAL number associated with his unit Depending upon the contract between VERIPOS and the user s company charges may be waived during periods when the equipment is not in use Where this is the ca
30. rear panel if fitted is correctly set e OFF if the unit s L band input is connected to the Inmarsat system e ON if the unit s L band input is connected to a spot antenna A WARNING Damage may occur if the switch is set to ON when connected to an Inmarsat system The spot antenna will not function if the switch is set to OFF e NOTE Toggle switches must be pulled slightly away from the panel before the switch position is changed 30 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation NOTE If using an LD2S there is a menu function under Configuration Demodula tor which is used to set the Antenna Power ON or OFF This is explained in section section 2 3 4 4 Check sync indicator When the toggle switch is set to OFF it over rides the LD2S menu selection 2 3 4 2 Antenna power menu LD2 Operations manual AB V MA 00512 For LD2S units only there is a menu item to set the antenna power OFF or ON Antenna power should be turned ON when using an omni directional spot antenna The following steps show how to change this setting in software After selecting the channel press Page to return to the Channel Select Press Page twice to advance to the Antenna Power menu Press Enter to display the current status NOTE The current status is displayed This could be either OFF or ON If a change is required press Enter to move the cursor t
31. soon as the basic information has been received the Helpdesk operator will raise a numbered fault ticket This will record the time and date of the original contact and it will be updated with all subsequent communications The user can access the ticket from the VERIPOS online support site VOSS The fault ticket system ensures that all communications regarding the issue are readily accessible to all parties concerned The ticket will remain open until the user confirms that the issue has been resolved to his satisfaction Senior VERIPOS personnel regularly review all open tickets to ensure that all necessary assistance has been provided There are no user adjustable controls or user serviceable items within the receiver The following diagnostic procedures enable the user to carry out simple fault finding on the system 3 1 Power fault Fault Reason Remedy All indicators extinguished On Off switch to OFF Switch unit ON using no backlight on display switch on rear panel Blown fuse Check units fuse on rear panel and replace fuse as necessary Faulty supply Check if AC supply is available Faulty power connector Check continuity of the power lead Replace or repair power cable as necessary 140 144 LD2 Operations manual AB V MA 00512 veripos 3 2 Enable disable faults 3 Troubleshooting Fault Reason Remedy After requesting new Access Code all entries remai
32. station repeatedly press Toggle until the required name is displayed Press Enter The cursor will move to the extreme right of the screen and an N will be displayed Press Toggle to change this to a Y then press Enter to accept the selection The cursor will move back to the left of the screen and a chevron bracket gt will appear in front of the station name to confirm that it has been selected Press Page twice to move to the HF MF Receiver Station Details screen Press Enter to move to the Station Details display screen The station name should be the same as that selected above Press Enter to accept and move to the next screen Most of the station details are fixed for VERIPOS stations LD2 Operations manual AB V MA 00512 veripos 2 Operation Press Toggle five times to move to the code entry screen Press Enter to move the cursor to the first character of the six digit code Repeatedly press Toggle until the first character matches the first digit of the supplied code Press Enter to accept the value and move to the next digit Repeat this procedure until the complete six digit code has been entered After the last entry the cursor will move back to the left of the screen and the code will be hidden replaced by asterisks Press Page twice to move to the Decryption screen When using VERIPOS HF stations decryption must be enabled If necessary pre
33. than one beam with acceptable elevation will be available in the work area For best system redundancy the LD2 systems should normally be configured on different beams LD2 Operations manual 29 144 AB V MA 00512 veripos 2 Operation VERIPOS correction data are broadcast on the following beams Satellite ULTRA ID APEX ID Status Power 98W 68 81 Operational High power AORW 68 81 Operational High power 25E 68 81 Operational High power AORE 68 81 Operational High power IOR 68 81 Operational High power 143 5E 68 81 Operational High power POR 68 81 Operational High power The above information is updated periodically For the latest listing visit http help veripos com Global and region coverage charts are available from the same location The type of antenna attached to the LD2 will determine the beams which can be used e When using a spot omni directional antenna any of the high power beams can be used e When interfacing to the vessel s Inmarsat communications system beam choice is limited to satellites which are supported by this system See VOSS for further information 2 3 4 1 Set antenna power toggle switch on rear panel A spot omni directional antenna requires a source of DC power for its low noise amplifiers LNA This is supplied by the LD2 via the L band input connector Before applying power to the unit ensure the ANT V toggle switch on the
34. the required baud rate then press the Enter key The cursor moves to the right hand side of the screen Press the Toggle key until GYRO is displayed then press the Enter key to confirm selection It is possible to output NMEA messages at the same time as inputting exter nal gyro when using a Y cable to split the outgoing data and incoming data For details see the LD2 Installation Manual Upload of new demodulator firmware NOTE Firmware upload should only be carried out by the VERIPOS workshop personnel A different more complex procedure is required for LD2S units Using port P3 it is possible to upload new firmware to the L band demodula tor card Move the Port 3 switch on the rear of the LD2 to the REM I O position port P3 settings on the front panel display set to OEM Firmware is uploaded using the VERIPOS OEM software LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 3 4 Port P4 set up LD2 Operations manual AB V MA 00512 The main function of port P4 is output of RTCM data It has the capability to output messages for use by Verify QC software and also by the VERIPOS workshop Depending on current configuration the entry screen may be either of the displays below or Toggle to switch between these two displays RTCM DNLINK RTCM output is configured from this display Options to set baud rate select string format optional string terminators and in
35. up of LD2 2 3 1 1 Applying power To power up the LD2 receiver set the rocker switch next to the power cable on the rear panel to ON I position The red DC supply LED on the front panel and the LCD will both illuminate For the first few seconds after power up the LCD display will display the following this can take up to 30 seconds NOTE The first two screens will vary according to the LD2 variant in use The Main Menu Configuration screen is the entry point for the unit s menu system 2 3 1 2 Checking unit status After applying power allow several minutes for the unit to acquire lock on any available GPS L band and HF MF signals The front panel indicators should then be inspected to check the unit status DC Supply Syne O HF Lock s Message DGPS Figure 4 Status LED s LD2 Operations manual 21 144 AB V MA 00512 2 Operation veripos amp gt 2 3 1 3 Expected indications for a healthy system e The DC supply indicator must be illuminated This confirms that an AC supply is connected and that the DC power supply is operational e The Sync indicator must be illuminated This confirms that the L band card is locked onto the downlink beam from a communications satellite receiving VERIPOS corrections e The ID indicator must be steadily illuminated This confirms that the unit
36. 2 Configure Ref stations on P4 As described in step1 except at Serial Ports Page x times until P4 shown see below Then continue as in step 1 2 8 4 LD2 Configuration of position output on port P1 This Bridge card describes how to configure your VERIPOS LD2 LD2S receiver to output positions in NMEA GGA format to port P1 from either the onboard processor or the GPS receiver P1 port output RS 232 at 9600 8 N 1 NMEA output One set of data per second Output selection Local onboard processor generates NMEA output uses the RTCM corrections selected on P2 GPS Rx the GPS card generated NMEA for output PS GPS I O must be set to OFF Recommended Use local NMEA GGA as default setting Contact VERIPOS where different output string format or baud rate required For a detailed description see section section 2 3 9 Configuring position output from port P1 Step 1 Selecting the port P1 output source Page x times to Main Menu Configuration Enter Page 2x until Serial Ports Enter P1 setup screen below will display Toggle to change between LOCAL or GPS RX as required Enter to confirm Page to display P2 RTCM P setup screen Enter 4x to move cursor to required ref station ID Enter and Toggle N to Y Enter to select To select next station Toggle to Station ID Enter Toggle Enter to select LOCAL mode fixed output rate of 9600
37. 2 Operations manual 116 144 Vveripos 2 Operation 2 8 Bridge cards 2 8 1 LD2 Access code The LD2 and LD2S need to be enabled to receive VERIPOS Augmentation services before use A service access licence SAL is required to be in place For LD2S the Sync LED must be lit before using this card This Bridge card describes how to enable or disable your VERIPOS LD2 receiver to use VERIPOS Augmentation services Step 1 Unit status is determined from the ID LED on the front panel ist current status D LED is on and solid LD2 is enabled i ID LED is flashing LD2 is disabled Step 2 Confirm there is a SAL service access licence in place Submit a SNF service Request an access notification form by email to helpdesk veripos com or call the code VERIPOS Helpdesk on 44 1224 527104 A new over the air enable process applies Accordingly remainder of Step 2 and Steps 3 amp 4 are NO LONGER REQUIRED Example The existing Access code is A08010003D The first character A is a code for the VERIPOS service s used 0801 is the serial number of the LD2 unit 0003 shows the number of times the unit has been enabled Press Enter diabled D indicates that the LD2 is currently disabled E enabled 2A34 the second block of characters is the area where the new enable disable code must be entered In the example the confirmation code is 66A4 the last four digits It changes each tim
38. 2 channel L1 GPS code and carrier 12 channel L1 GLONASS code and carrier 2 SBAS channels WAAS EGNOS MSAS Strobe correlator multipath mitigation Standard NMEA 0183 V2 01 output Differential remote RTCM V2 2 Raw data output code and carrier 1 PPS 5V TTL Position and raw data update rates selectable up to 2 Hz 2 x bi directional RS 232 serial ports up to 115200 bps Operating temp 30 to 70 Power consumption 2 3 W LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 Topcon Euro 112T 40 Channel all in view L1 L2 GPS L1 L2 GLONASS and WAAS Advanced multipath mitigation Raw data output code and carrier Low signal tracking down to 30 dbHz 2 x 1 PPS outputs LVTTL Standard NMEA 0183 V2 1 2 2 2 3 and 3 0 outputs Differential remote RTCM V2 1 2 2 Position and raw data updates rates selectable to 20 Hz 4 x bi directional RS 232 serial ports up to 460800 bps Operating temp 40 to 75 Power consumption 2 7 W typical Septentrio AsteRx2 66 Channel L1 L2 GPS L1 L2 GLONASS and WAAS Dual frequency L1 L2 code carrier tracking PPS outputs NMEA v2 30 output format up to 10 Hz RTCM v2 1 2 2 3 serial ports Operating temp 40 T to 70 T Power consumption 2 W typical Compass safe distance Standard 1050 mm Steering 750 mm 131 144 veripos 2 Operation GES 112 Rack Mount Enclosure 0 ATCHN
39. 2 output which is also present on port P1 VERIPOS strongly advise using a breakout harness and running the 1 pps signal in a separate coaxial cable The harness may be purchased from VERIPOS or fabricated by the user using the details below 56 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 13 1 LD2 port P1 cable for outputting 1 pps and NMEA ZDA This diagram provides the details required to make up a PPS ZDA cable har ness which can be connected to port P1 of the LD2 LD2 1pps splitter cable BNC connector 1 pulse per sec NMEA serial dat To LD2 Port 1 external equipm 9 pin D connector 9 pin D connect male female Figure 6 LD2 1 pps Splitter Cable The following photographs are examples of a typical harness constructed from this circuit diagram RG58 type 4pps Splitter es Cable Adhesive lined heatshrink 9 pin D male ire data cable straight through pin 2 tx data pin 5 common gnd Figure 7 Y Cable for LD2 LD2 Operations manual 57 144 AB V MA 00512 2 Operation veripos amp LD2 1pps cable Figure 8 Connector for port PI on LD2 2 4 System test System test allow the user to check the operation of the front panel LCD Access to system test is by pressing the Page key in the top level main menu until System Test is displayed Then press the Enter key to show the following display Press the Enter key to initiate an in
40. 25E satellite Beam and the high power service using a SPOT antenna would come from the AORE satellite beam Configuration of RTCM port outputs This Bridge card describes how to configure your VERIPOS LD2 LD2S receiver to output corrections in RTCM format to port P2 and optionally P4 Output format RTCM Recommended Output all reference stations to Ports P2 and P4 then amend station list for work area Max station range 2500km VERIPOS Ultra no range limit Ultra service No range limit Ensure unit and output port to Verify QC sys tem are enabled for Ultra Step 1 Configure Ref stations on P2 Default of LD2 LD2S output RTCM at 9600 baud on P2 and P4 Refer to Operations manual if change of default settings required Consult VERIPOS Station ID charts or use Verichart software to select which stations and their ID s you wish to use http help veripos com The sequence below describes navigating to the port and then selecting the required station ID Page x times to Main Menu Configuration Enter 1x to Demodulator Page x times until Serial Ports Enter Enter 1x to show P2 setup screen Enter 1x to Station ID Toggle x to show required ref station ID then Enter and Toggle N to Y Enter to select To select next station Toggle x to Station ID Enter Toggle Enter to select LD2 Operations manual AB V MA 00512 121 144 2 Operation veripos Step
41. 705 Tananger GPS 25E AORE x 706 Falmouth GPS GLO 25E AORE x x 708 Bologna GPS 25E AORE x 709 Cyprus GPS 25E AORE x 710 Marbella GPS 25E AORE x x 712 Vardo GPS 25E AORE x 713 Ny Alesund GPS 25E AORE x 714 Malta GPS GLO 25E AORE Xx Xx X 717 Hammerfest GPS AORE x 716 Stockholm GPS 25E AORE x 777 Aberdeen GPS 25E AORE x AB V MA 00512 veripos 2 Operation African stations Station ID Name Type Beam Service Type Comments 1 2 3 Std Std Std2 801 Luanda GPS 25E AORE x x 802 Malongo GPS 25E AORE x x 803 Port Harcourt GPS 25E AORE x x 804 Lagos GPS AORE x x 805 Accra GPS 25E AORE x x 806 Las Palmas GPS 25E AORE x x 807 Cape Verde GPS GLO 25E AORE x x x 808 Cape Town GPS GLO 25E AORE x x 809 Gabon GPS AORE x Xx 810 Walvis Bay GPS 25E AORE x x 812 Mozambique GPS 25E IOR x x 813 Dar es Salaam GPS GLO 25E IOR x x x 814 Sao Tome GPS GLO 25E AORE x x x Station ID Name Caspian and Middle Eashstations Service Type Comments 1 2 3 Std Std Std2 901 Baku GPS GLO 25E IOR Xx Xx 902 Aktau GPS 25E IOR x 904 Bahrain GPS 25E IOR x x 905 Dubai GPS GLO 25E IOR Xx Xx Xx 906 Mumbai GPS GLO 143 5 IOR x x x 907 Kolkata GPS 143 5 IOR x x 908 Chennai GPS GLO 143 5 IOR x x LD2 Operations manual 107 144 AB V MA 00512 veripos
42. AC Power consumption 20 W Fuse 250 V 1A anti surge 20 mm IEC 60945 EMC certified Demodulator 1525 to 1559 MHz input from L band antenna or tapped L band output from Inmarsat B terminals Acquisition time from switch on typically lt 20 seconds Re acquisition time typically lt 10 seconds HF MF demodulator 2 channel HF MF demodulator in the frequency band 1 6 to 3 5 MHz RTCM output Compatible with VERIPOS standard HF and third party HF MF transmissions Data interfaces 5 x RS 232 ports Port 1 NMEA output Port 2 RTCM primary Port 3 Remote I O NMEA output in some LD2 configurations Port 4 RTCM secondary Port 5 GPS I O NMEA output in some LD2 configurations 1 x VGA video output 1 x RJ45 LAN port with full network connectivity 1 x USB port Connections for optional external keyboard with touchpad or mouse Antenna The GPS antenna is a right hand circular polarised L band frequency range with an integral low noise amplifier The internal thread is 5 8 x 11 UNC standard marine mount 128 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation PC 104 board 300 MHz geode processor 256 Mb SDRAM 64 Mb or 1 Gb Compact Flash card depending on program being supported GNSS receiver The following optional OEM GNSS cards can be installed in the LD2 Magellan G12 12 channel L1 C A code and carrier Strobe correlator multipath mitigation Standard NMEA 0183 V2 01 outpu
43. AEA COM C PC 104 Processor Card OM1USB2USB1 a i i j i ms count tna ana i Status LEDS 1 Ateeetemen rons Front Panel Display Keys We ee cece cece cccceeas Figure 11 LD2 Layout Wiring Schematic LD2 Operations manual AB V MA 00512 132 144 veripos 2 Operation 2 10 GNSS Ports SAL and SNF 2 10 1 I O port details 2 10 1 1 Interface and serial port information This details the pin out details for the LD2 receiver connections Ports 1 to 5 on the rear panel are 9 way D type female plus 1 USB port Serial port connectors have performance characteristics for RS 232 Connectors P1 P5 all D9 female LD2 I O ports Port 1 USB LAN Notes Type RS 232 RS 232 RS 232 RS 232 RS 232 10BaseT Data on pins 1 1PPS out GPS Rx VERIPOS 2 NMEA out GPS Rx VERIPOS 3 Ex RTCM in GPS Rx 5 Signal ground 2 RTCM out NMEA out primary 5 Signal ground 2 Remote I O NMEA out VERIPOS 3 Remote 1 O in 5 Signal ground 2 RTCM out secondary 8 Message Test out to Verify QC 5 Signal ground 2 GPS out 3 GPS in 5 Signal ground Ext gyro in RTCM in RJ45 convention Port 4992 Raw GPS Port 4993 Port 2 messages Port 9013 NMEA out on Port A Port 9015 NMEA out on Port B 1 Corrections are output in RTCM v2 format 2 The MF RTCM data is only available on the LAN
44. Connect either an L band omni directional spot beam antenna or the line feed from an Inmarsat system coupler e g Narda Rojone or Radiall Some Inmarsat systems have a dedicated out put that does not require the installation of a coupler In some cases the LNA feed should be switched off to prevent damage to vessel Inmarsat system In the LD2S variant this switching is done in software detailed in this manual All coaxial cables should be 50 W impedance 2 1 2 5 Antenna voltage toggle switch ANTV ON OFF 5 a om ps TE os a des d s f O 0 8 5 Soak A Used to disable the 5 VDC antenna LNA feed when connecting the LD2 VARIANT to certain types of Inmarsat systems to prevent damage Where the LD2 variant does not have the switch a DC block may be used When using an omni directional spotbeam antenna the voltage should be enabled For LD2S variants this needs to be enabled in software 2 1 2 6 Port 3 I O toggle switch PORT3 GPS REMI O O Oe Oss RET 2 1 2 7 Grounding pin H ATASI ee ee ee ee TULETE ei 16 144 When the switch is in the GPS position raw GPS data is output from the GPS card When in the REM I O position either NMEA messages can be output or new firmwar
45. ERIPOS Helpdesk can only issue a C3 code if a service access license SAL exists which includes the supply of HF services Licenses must be pre arranged between the user s company and the VERIPOS Operations department 2 3 10 3 Select station enter the C3 code and enable decryption LD2 Operations manual AB V MA 00512 NOTE The HF MF card can receive data on two channels Each VERIPOS HF station transmits corrections on two different frequencies to enhance reliabil ity Therefore only one VERIPOS station may be selected From any point in the menu structure repeatedly press Page until the Main menu Configuration screen is displayed Press Enter then press the Page key three times to display Press Enter to display 51 144 2 Operation 52 144 veripos Frequency Band may initially display either HF or MF e If HF is displayed press Page to move to the screen below e If MF is displayed press Toggle to change the indication to HF then press Enter to accept the change Press Page to move to the screen below Press Enter to move to the station selection screen This screen displays a list of the VERIPOS HF stations together with their station ID numbers Repeatedly pressing Toggle scrolls through the list If a station has previously been selected it is identified by a chevron bracket gt before its name To select a different
46. In addition he has recourse to a range of on call engineers and technical staff who will provide support for more complex issues Except in emergency situations VERIPOS recommend initial contact is made by email to the Helpdesk or by raising a fault ticket on the Web site This will ensure that the users contact details and the basic description of the fault are correctly recorded NOTE Before calling the Helpdesk please use the information later in this section To ensure a rapid response the initial communication should include the fol lowing information e User s name e Telephone number If possible choose a phone near the equipment e E mail address e Full vessel name Correct identification is important VERIPOS may have installation draw ings e Name of parent company e Current Access code of LD2 User code from front of LD2 variant e Current status of the seven front panel indicators on the LD2 e Brief description of other VERIPOS hardware and software installed e Vessel s current operating region e Vessel s status Is it alongside in transit in operation or shut down due to fault 139 144 3 Troubleshooting veripos amp e History of fault Is this a new installation which has not yet been fully commissioned Did a problem suddenly arise with a system which was previously working Did the system cease working after moving to a new region e Description of fault As
47. LD2 then there is probably an internal fault Please call the VERIPOS Helpdesk and report the problem e HE MF Lock indicator extinguished Not receiving HF MF signals see the Troubleshooting chapter e GPS indicator extinguished GPS reception problem or non standard system configuration check GPS status as detailed in a later section NOTE If GPS status indicates good satellite reception then the indicator may be ignored it is probably inactive because no GGA or GGX output string is configured on port P1 23 144 2 Operation veripos e DGPS indicator extinguished GPS reception problem no corrections or non standard system configu ration where the GPS indicator is extinguished the DGPS indicator will also be extinguished NOTE Where GPS indicator is flashing then the position output on port P1 is uncor rected Either the unit is receiving no corrections or stations require enabling on port P2 consult VERIPOS Helpdesk 2 3 2 Enabling and disabling the LD2 2 3 2 1 24 144 NOTE The VERIPOS Helpdesk can only issue enable codes if a service access license SAL exists and the license number can be determined Licenses must be pre arranged between the user s company and the VERIPOS Operations department VERIPOS correction signals are provided as a chargeable service Depend ing upon the contract between VERIPOS and the user s company charges may be waived during perio
48. LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 6 2 Selecting channel 16 for use LD2 Operations manual AB V MA 00512 Repeatedly press the Page key until the screen below is displayed Press Enter key to display the screen below Press Enter key to display the screen below Press Enter again to access the downlink channel table Press the Toggle key 15 times to step through the downlink beams to channel 16 NOTE The channel 16 name displayed will be that previously entered by the user Next press Enter This will move the cursor to the right hand side of the screen next to the letter N Press the Toggle key to change the character from an N to a Y then con firm the entry by pressing Enter This will select channel 16 as the beam delivering the corrections The screen will now display 37 144 2 Operation veripos The chevron gt symbol indicates that this is the selected beam NOTE The channel 16 name displayed will be that previously entered by the user It is good practice after selecting a channel to check the demodulator status See the relevant section 2 3 7 Checking GPS status 2 3 1 1 38 144 The GPS indicator on the front panel reports the satellite status from a GGA telegram which the unit normally outputs through port P1 Flashing indicates the number of satellites used in the position computation This telegram is presen
49. S Receiver Option G2 L1 L2 GPS Receiver Option GG1 L1 GPS amp GLONASS Reception Option GG2 L1 L2 GPS amp GLONASS Reception Option 2 Series 2 Receiver 2S Series 2 Receiver with second generation L Band card Demodulator No Optional RF Receiver Installed H VERIPOS HF amp MF Receiver Installed l IALA MF Receiver Installed L Band Receiver Installed i e an LHD2 GG2 mobile receiver is capable of L Band HF MF L1 L2 GPS and GLONASS reception 1 12 Essential operation tasks LD2 Operations manual AB V MA 00512 This manual provides the user with the information required for the configu ration operation and monitoring of the VERIPOS LD2 integrated mobile unit The Operation chapter provide a description of each menu function All LD2 configuration and monitoring is performed using the front panel two line LCD and a 3 key switch pad using menu system The only additional controls are two toggle switches mounted on the rear panel The Operation procedures section of the Operation chapter provides step by step instructions for performing the most common tasks It is recom mended as a good starting point for new users or when commissioning an installation The procedures have been summarised in Quick Guide format to assist the user in performing common tasks downloaded from VeriposVOSS VOSS is available at http help veripos com 11 144 1 Introduction veripos
50. aising fault tickets which are then automati cally submitted to the VERIPOS Helpdesk The VOSS url is http help veripos com VOSS has comprehensive help and assistance that provides e updates on VERIPOS service availability and notifications e knowledge base e troubleshooter e downloads e online fault reporting 1 10 Enabling the equipment for use VERIPOS correction signals are provided as a chargeable service In order for the equipment to decode corrections and output positions it must be enabled This is achieved by the user entering an access code supplied by the VERIPOS Helpdesk When not in use some contracts may allow for disabling the service The enable disable procedure is detailed in the Operation chapter NOTE To use VERIPOS correction signals a contract between the user s compan and the VERIPOS Operations department must be in place VERIPOS call this a service access license SAL To avoid delays users should record the SAL number associated with the VERIPOS equipment The Helpdesk is not authorised to issue a code unless an active SAL exists and its reference number can be determined 10 144 LD2 Operations manual AB V MA 00512 veripos 1 Introduction 1 11 Specification An equipment specification is included in the Operation chapter The LD2 is available in a range of variants The options included in each unit are indicated by its model number G1 L1 GP
51. amp Topics covered include e Enabling the required VERIPOS services e Beam selection select data channel e Configuration of RTCM port outputs e Configuration of Position output on P1 e Configuration of VERIPOS HF corrections e Checks of Equipment status 1 13 Disclaimer VERIPOS accepts no responsibility for any damage or injury to the system ship or personnel caused by drawings instructions or procedures not pre pared by VERIPOS Copyright 2013 by VERIPOS All rights reserved All rights reserved No part of this manual may be reproduced without prior written permission from VERIPOS Contents of this manual are subject to change without notice Every effort has been made to ensure accuracy of the information contained within this manual Please advise VERIPOS of errors you may encounter Thank you VERIPOS assume no responsibility for errors or omissions contained within this manual 12 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 Operation 2 1 User interface 2 1 1 Front panel gt lt gt lt page Vaii ener x I sr Hw o 1 C WW vse vors O LD2S integrated positioning mobile Dr Gites O Figure 1 LD2 Front Panel View Back lit liquid crystal display LCD Standard PS 2 ports Contrast adjustment User keys Status LED s a Aa N 2 1 1 1 LCD Two lines up to 20 character each with gr
52. arly units this indicator is labelled IF Lock It is illuminated when using a 70 MHz antenna system and signal lock is detected in the internal up converter 22 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation If the indicators are as specified above then the antennas cables and major components of the LD2 are all operational If the unit has previously been configured for its current installation and geographical location then it should be fully operational NOTE If the installation has changed or the vessel has moved to a new work area then reconfiguration may be required even if indicators are normal 2 3 1 4 Corrective actions if indicators are not as specified LD2 Operations manual AB V MA 00512 e DC supply indicator extinguished No output voltage from internal supply unit see the Troubleshooting chapter e Sync indicator extinguished The L band card is not locked onto the downlink beam check demod ulator status as detailed in a later section e ID indicator flashing The unit is disabled enable the unit as detailed in a later section e ID indicator extinguished If the unit is an LD2S the indicator will be extinguished when the power is switched on It will not be illuminated until the unit locks to an L band signal and the Sync indicator is illuminated see comments above concerning Sync If ID is still extinguished when Sync is illuminated or if the unit is an
53. at shown below Record the version numbers and report them to the VERIPOS Helpdesk 55 144 2 Operation veripos amp gt 2 3 13 Configuring a 1 pps output from the LD2 The LD2 provides a facility for outputting a 1 pps pulse per second signal to external equipment This is typically used to provide accurate time syn chronisation for third party navigation systems or multi beam sonar The 1 pps signal is derived directly from the internal GPS receiver and is output on pin of port P1 The exact specification of the signal will vary according to the model of GPS receiver installed Depending upon the options specified when ordering the LD2 the internal GPS receiver may require an upgrade before it can output 1 pps If required the upgrade is chargeable but may easily be performed in the field since it only requires a change of firmware If the user has suitable test equipment e g oscilloscope the 1 pps output may be checked by directly observing the signal on pin 1 of port P1 there are no switches or menu settings associated with this output In case of difficulty or for additional information contact the VERIPOS Helpdesk NOTE The 1 pps pulse is very narrow and the amplitude may be as low as 2 5 volts depends on receiver model so it may be difficult to observe on an oscillo scope Because of these characteristics it is also very susceptible to degradation if it is wired using the same cable as the RS 23
54. ata every second To change the status of the displayed string press Enter This will move the cursor to the right of the screen Rate selection mode NOTE For the front panel GPS and DGPS indicators to be activated either a GGA or a GGX string must be enabled The number displayed to the right of the cursor is the output rate for the string To disable the string press Toggle until OFF is displayed To enable the string press Toggle until any other rate is displayed Press Enter to accept the entry and move back to the string selection mode NOTE NMEA messages are always output at one second intervals regardless of the rate selected Select OFF to disable the message or select any rate to enable it at one second intervals LD2 Operations manual AB V MA 00512 veripos 2 Operation Positioning messages Message Description type GGA Position fix data which provide 3D location and accuracy data GGX GGA with a position accuracy at seven 7 decimal places GLL Geographic latitude and longitude VTG Velocity made good GSA It includes the numbers of the satellites being used in the current solution and the DOP GSV Satellites in view shows data about the satellites that the unit might be able to find based on its viewing mask and almanac data RMC Position velocity and time data ZDA Date and time GRS GPS range residuals GST GPS pseudorange noise statistics These are d
55. atus You must have the C3 code from VERIPOS Helpdesk before starting this step Only one VERIPOS station may be selected Each VERIPOS station broadcasts on two frequencies to enhance reliability Page x times to Main Menu Configuration Enter Page 3x to Configuration HF MF Receiver Enter Toggle if required to display HF Enter Page to HF MF Receiver Station Select Enter to show the Station Selection screen below Chevron indicates station is selected Press Toggle to move through stations and Enter to select Then use Toggle to change N to Y and Enter to accept the selection Chevron against the station name confirms selection To enter C3 code and enable decryption Page 2x to screen below Enter to Station Details same station name as you selected Enter to accept then Toggle 5x to code entry screen below Use Enter and Toggle to move and match characters when entering 6 character C3 code you obtained from the VERIPOS Helpdesk When entered the code is hidden asterisks Press Page 2x to Decryption screen and Toggle Enter to enable then Enter to accept Page x times until Main Menu Status screen displayed Enter Page 2x to Status HF MF Receiver Enter to show Channel Status Enter to access sub menu below Toggle between channels 1 and 2 to confirm status LD2 Operations manual AB V MA 00512 125 144 2 Operation veri
56. aution must be exercised when making changes to port P1 if the port is already in use Check whether any cable is attached to the P1 socket on the rear panel If in doubt consult the VERIPOS Helpdesk NOTE This port outputs RS 232 data at a default rate of 9600 baud The format is fixed with 8 data bits no parity and 1 stop bit 8 N 1 LD2 Operations manual 45 144 AB V MA 00512 2 Operation 46 144 veripos Repeatedly press Page to reach the entry point of the main menu Press Enter then press Page twice The following screen is shown Press the Enter key to select the first page which is serial port P1 This screen is used to select the source of the NMEA output message The options are GPS RX or LOCAL Press Toggle until the required option is displayed then press Enter to select it VERIPOS recommend using LOCAL as the default setting GPS RX may be used if demanded by the survey specification see notes below Further advice from the VERIPOS Helpdesk NOTE When GPS RX is selected the NMEA position data is computed within the GPS receiver itself Where LOCAL is selected the NMEA position is computed in a separate processor within the LD2 using VERIPOS algorithms In both cases the computation uses the RTCM corrections configured on port P2 These corrections are derived from the stations enabled during port P2 configuration Using LOCAL
57. btained by contacting the VERIPOS Helpdesk NOTE When GPS RX is selected the NMEA position data is computed within the GPS receiver When LOCAL is selected the NMEA position is computed by the LD2 PC104 processor using VERIPOS algorithms In both cases the computation uses the RTCM corrections configured on port P2 These corrections are derived from the stations enabled during port P2 configuration When in LOCAL mode the output baud rate is fixed at 9600 baud In GPS RX mode it is possible the change the baud rate but this requires reprogramming of the GPS receiver If the user wishes to change this setting it is advisable to contact the VERIPOS Helpdesk for assistance The user should now configure the NMEA output strings to be output from P1 If LOCAL mode is selected this is done using the GPS receiver port A configuration settings Do not be confused by the menu name Selections here configure the processor board not the GPS receiver If GPS RX is required contact the VERIPOS Helpdesk for advice on configuring the GPS receiver Press the Page key to step to port P2 set up 83 144 2 Operation veripos 2 7 3 2 Port P2 set up 84 144 Port P2 can be used for RTCM output or for NMEA position output When used for NMEA positions it outputs the same NMEA strings which are selected for port P1 see above but the baud rate can be changed RTCM output configuration is cove
58. channel beam is to check the lock status and signal quality 75 144 2 Operation veripos Station ID list See section section 2 7 5 11 Station ID listings for a listing of the VERIPOS satellite reference stations Press the Enter key to select the Station ID List Use the Toggle key to step through the available stations on the list NOTE After switching on the LD2 it may take up to 10 minutes for all reference stations accessible on the beam to become available for use in the LD2 Port setups This is because the LD2 waits for the Type 3 message from each station before adding it to the list Types 3 s are broadcast at approximately 10 minute intervals 2 7 2 2 GPS receiver configuration 76 144 The GPS configuration menu allows the user to change various settings within the integral GPS receiver From the Configuration menu use the Page button to move to the GPS Receiver screen Press Enter The following screen will be displayed This menu item provides access to the five sub menus which allow you to set parameters and options for the GPS receiver Press the Enter key to select the first sub menu If the user requires access to these menus it may be necessary to temporarily set port PS to OFF see section 2 3 7 2 Reconfiguring port PS The following menus may only be accessed if port P5 is set to OFF Before making changes the user should check what is connected to port P5 Turning the port o
59. d differential GNSS DGNSS corrections b b Standard deviation of semi major axis of error ellipse meters C C Standard deviation of semi minor axis of error ellipse meters d d Orientation of semi major axis of error ellipse meters e e Standard deviation of latitude error meters f f Standard deviation of longitude error meters g g Standard deviation of altitude error meters cc Checksum data always begins with LD2 Operations manual 115 144 AB V MA 00512 veripos 2 Operation 2 7 7 Global coverage chart 2618109 eqo D azovezta pa Hsn nv L suorexssodue aly UONEIS LLOZ Jequeseq eJep aouasajay SOUS A 0 000 000 0S1 218 uono fosd 91 1 wea 0 ysyomM Aouanbey eng 097 pew peuueld x yesrewu y SP BR oc upana oo asea TA LU TS ad b S 8 02 S04 ES Ny eer so wa k 0 i NOt ce p NDZ 7 NDE z Ne KE x F Be A Nbr 2 F suyor ts ewes 3 a m i Va CRE a OBL 3 0213 0913 0913 0t13 0 13 027 13 0 LL00 3 06 3 08 3 02 3 09 3 89 2 0 3 0 3 02 3 01 0 M0 6M 00 M 01 M DZ M 0 M 0VM 0SIM 09M 0Z1 OBL e6e19109 jeqo 5 Figure 10 Global coverage chart AB V MA 00512 E LD
60. dividual reference sta tions to be included excluded The configuration procedure is identical to that used for port P2 as described in section section 2 7 3 2 Port P2 set up NOTE Although the configuration procedure is identical to that used for port P2 there is a slight difference in the way the ports operate For port P4 stations must be enabled manually For port P2 all stations are automatically enabled when a new beam is selected Exception is for older LD2 units Messages Press Enter from within the MESSAGES display to move the cursor to the right of MESSAGES Toggle key is used to step between options The options are TEST MON OFF BCAST NOTE For LD2S units Only the MESSAGES TEST option is available Press Enter to move cursor directly to baud rate selection field 89 144 2 Operation veripos The purpose of each option is as follows e TEST outputs diagnostic information concerning the demodulator performance signal to noise ratio bit error rate frequency offset etc Messages are output at one minute intervals and are mainly used to pro vide demodulator status information to VERIPOS Verify QC software e MON outputs a proprietary message on port P4 of the enabled or disa bled status of all user codes This is used for the VERIPOS Network Control Centre monitoring purposes e OFF sets port P4 outputs off e BCAST outputs broadcast messages to a
61. ds when the equipment is not in use If this is the case the user may wish to disable the LD2 during periods of prolonged inac tivity If the unit has been disabled the user must re enable it for the required serv ices before resuming operations NOTE An LD2S unit can only be enabled or disabled if it is receiving L band signals from a geo stationary satellite the Access Code screen may be blank The ID indicator will be extinguished when the unit is first switched on It will not be illuminated until the unit has locked to the L band signal Sync indicator illuminated The user must ensure that the Sync indicator is illuminated before attempt ing to enter enable or disable codes see the Troubleshooting chapter LD2 units can be enabled or disabled without any L band signal Checking current status The current unit status can be determined from the ID indicator on the front panel ID LED is on and solid LD2 variant is enabled ID LED is flashing LD2 variant is disabled LD2 Operations manual AB V MA 00512 Vveripos amp 2 Operation _ NOTE LD2S variants The ID LED may be off until the unit has sync i e is receiv ing L band signals 2 3 2 2 Determine current access code LD2 Operations manual AB V MA 00512 To enable or disable the unit the user requests an over air enable from the VERIPOS Helpdesk so THE FOLLOWING PROCESS IS NOT USED In order to generate an enable or disable code
62. e Note Labelling of LED s may vary with LD2 model 123 144 2 Operation 2 8 5 LD2 veripos Configuration of VERIPOS HF corrections This Bridge card describes how to configure your VERIPOS LD2 LD2S receiver to receive corrections using the on board HF card HF corrections signal quality varies with location and conditions To use HF corrections a C3 code must be entered Request a C3 code from the VERIPOS Helpdesk using a SNF signal notification form advising the existing C2 code and region For a detailed description see section section 2 3 10 Configure to receive VERIPOS HF corrections Step 1 Determine existing C2 code Step 2 Request C3 code The sequence below describes navigating the LD2 menus to view the current C2 code Page x times to Main Menu Status Enter Page 2x until Status HF MF Receiver Enter Page to HF MF Receiver C2 Code Enter to HF MF Receiver C2 Code xxxxx below Report the 5 digit C2 code to the VERIPOS Helpdesk using the SNF see section section 2 10 2 Signal access licence and service notification form A blank SNF is available from the VERIPOS online support web site http help veripos com Use a SNF form and ensure you report the C2 code and operating region 124 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation Step 3 Select station entering C3 code and enable decryption Step 4 Check HF st
63. e for the demodulator can be uploaded depending on how port 3 is configured from the front panel The chassis of the LD2 variant should be connected to vessel ground and is important when using HF systems where both the HF antenna and LD2 variant chassis should be grounded LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 1 2 8 Signal strength connector This is not used To provide a feedback line to a tracking dish EE type antenna such as a Minidome Inmarsat systems do not usu ally require signal strength feedback 2 1 2 9 Speaker connector Only used in Verify DP applications where an external speaker is an required for the alarm il EUERE o wae 2 1 2 10 USB port The USB connector can be used to input external data e g gyro EH 2 1 2 11 LAN port Used to network the LD2 so that data can be broadcast over TCP IP sockets jas AT ATI niin 1 AGP E gt oO O OO Fh eee O LD2 Operations manual 17 144 AB V MA 00512 2 Operation veripos 2 1 3 Serial ports and VGA connector Port 1 D9 Female Port 2 D9 Female
64. e section section 2 10 2 Signal access licence and service notification form for procedures information on service access licence SAL and use of the signal notification form SNF LD2 Operations manual AB V MA 00512 Vveripos 2 Operation LD2 Operations manual AB V MA 00512 NOTE VERIPOS Helpdesk can only issue enable codes if a service access license SAL exists and the license number can be determined Licenses must be pre arranged between the user s company and the VERIPOS Operations department Requests for enable disable codes should be made using the signal notifica tion form SNF This should be submitted by email to the VERIPOS Helpdesk at helpdesk com Blank forms are available from the VERIPOS online support web site http help veripos com NOTE If necessary enable requests can also be submitted by telephone to the VERIPOS Helpdesk See section section 2 7 2 Configuration mode for cur rent contact details Before calling please refer to a signal notification form and ensure that all the required information is available Enter a C3 code as follows From the above screen press Enter This moves the cursor to the first digit of the code entry field Repeatedly press Toggle until the required character is displayed Press Enter to accept the entry and move to the next digit Repeat this process until the complete code has been entered Decryption NOTE This menu is only disp
65. e the signal activation is changed Repeatedly press Page until screen displays Enable disable code Note It is essential users correctly report the case upper or lower of the first letter when reporting the access code to th Helpdesk Step 3 VERIPOS Helpdesk issue a new 4 digit enable code 729C in the example below Enable the LD2 to above receive VERIPOS l Enter enable code into the Access Code screen using the Toggle and Enter augmentation services keys The 4 character confirmation code will change automatically when the access code is entered Report new confirmation code 42FF in the example to the VERIPOS Helpdesk This ensures the unit has been successfully activated LD2 Operations manual 117 144 AB V MA 00512 veripos 2 Operation For confirmation the ID LED on the LD2 front panel changes from a flashing to a solid light to indicate the LD2 is enabled for use Enable example Access code Confirmation code Step 4 The LD2 receiver is disabled in the exactly the same way Obtain a 4 digit access Disable the LD2 augmentation service reception code from the VERIPOS Helpdesk and enter it into the unit In the example below the new access code is A08010004E Report the actual code shown to the VERIPOS Helpdesk using the SNF form They will issue a disable code Once received enter the 4 digit disable code into the LD2 Step 3 and report the confirma
66. een backlight JEST 2 1 1 2 PS 2 ports Standard PS 2 ports for the connection of optional keyboard and C C mouse Keyboard Mouse LD2 Operations manual 13 144 AB V MA 00512 2 Operation 2 1 1 3 Contrast adjustment O Contrast o Ce EE Page Toggle Enter 2 1 1 5 Status LED s Sync D Message DGPS Fox os DC Supply o ena IO 1O 14 144 veripos A small flat headed screwdriver can be used to adjust the screen contrast as desired Turn clockwise to increase Page key Advances the display through the options in a menu level After the last menu option in the current menu level the display moves back to the entry point of that menu Toggle key Shows the range of data entries available in a menu Enter key Displays the selected menu option accepts a data entry and advances the display to the next data entry field Sync ID Message IF Lock HF MF Lock GPS DGPS Power Illuminated when LD2 is locked onto the do
67. ency Radio used to transmit correction data Hertz Kilometers per Hour Local Area Network Light Emitting Diode Line Feed Low Noise Amplifier Methods of transmitting correction data to mobile users Liquid Crystal Display Unit containing GPS card demodulator and PC processor Medium Frequency Radio used to transmit correction data Mega Hertz Miles per Hour Meter per second National Marine Electronics Association Not applicable Positional Dilution of Precision Precise Point Positioning Pulse per Second Pseudo Random Noise Root Mean Square Restrictions on the use of certain Hazardous Substances in electrical and electronic equipment Radio Technical Commission for Maritime Services LD2 Operations manual AB V MA 00512 veripos LD2 Operations manual AB V MA 00512 SAL SD SNF SNR Spotbeam Standard Std Standard Std SV TDR TTL Type 01 Type 15 Ultra APEX USB UTC V VDOP VERIPOS VGA VOSS W WAAS WEEE 1 Introduction Service Access Licence Standard Deviation Signal Notification Form Signal to Noise Ratio High Power L Band Signal Veripos Single Frequency DGPS System Veripos Dual Frequency DGPS System Space Vehicle Time Domain Reflectometer Transistor Transistor Logic Single Frequency Corrections Dual Frequency Correction Veripos High Accuracy Positioning Systems Universal Serial Bus Coordinated Universal Time Volt Vertical Dilution of Precision Global DGPS Ser
68. escribed in detail in section section 2 7 6 NMEA 0183 messages 2 3 10 Configure to receive VERIPOS HF corrections An LD2 can only receive HF signals if the optional HF card is installed If any of the menus described in the following text are absent from the user s LD2 this option is probably not installed Contact the VERIPOS Helpdesk for further advice VERIPOS currently support HF stations in the North Sea North America and South America See the station listing in section section 2 7 5 8 VERI POS station listings Refer also to VERIPOS online support site at http help veripos com This site will be updated with any changes which may occur after publication of this manual These HF stations are maintained by VERIPOS and offer standards of accu racy as for our reference stations They are chargeable and encrypted to pre vent unauthorised access In order to use the service the user must first obtain a decryption key to enter into his unit This key is referred to as the C3 code It is different for each region of operation as is unique for each individual LD2 The C3 code must be obtained from the VERIPOS Helpdesk In order to compute a code to match the specific unit the user must supply the internal code C2 code for that unit This can easily be determined using the menu system LD2 Operations manual 49 144 AB V MA 00512 2 Operation 50 144 veripos The following steps are used to bring the unit into ser
69. fer to the VERIPOS satellite cover chart available at http help veripos com A copy is in section section Figure 10 Global coverage chart The LD2 and LD2S models have different L band cards Follow the sequence below for your model see LD2 front panel label Section section 2 3 4 Configuring LD2 demodulator to receive corrections in LD2 Operations manual has a detailed description LD2 amp LD2S Page x times until Main Menu Configuration Enter 1x to Configuration Demodulator Enter 1x to Channel Select Enter Toggle x times until beam required Enter Toggle from N to Y Enter gt chevron shows beam in use LD2 Operations manual AB V MA 00512 119 144 2 Operation veripos Step 3 LD2S antenna power switch in software Step 4 Check Sync indicator and demodulator status For LD2S model only Antenna Power should be turned ON using the front panel display menus when using an omni directional spot antenna 90984 3 1 and OFF when using Inmarsat The following steps show how to change this setting in the demodulator menus LD2S only Page x times to Main Menu Configuration Enter 1x to Configuration Demodulator Enter 1x to Demodulator Channel Select Page 2x until Antenna Power Enter displays Antenna Power DC Supply Off or On Enter Toggle from N to Y Enter gt chevron confirms selection Y or N
70. ff will disrupt the operation of any external equipment which is attached to it If port P5 is set to REMOTE these menus are disabled and the option to configure the GPS receiver via remote I O from port P3 is also disabled LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 Position mode NOTE At present these settings are not implemented in the LD2 and do not affect to the GNSS system Dynamic mode NOTE At present these settings are not implemented in the LD2 and do not affect to the GNSS system Mask settings This allows the user to set the GPS receiver parameters for e PDOP e HDOP e VDOP e Position Elevation Mask PEM e Raw Elevation Mask REM Minimum SV s The default settings are PDOP 99 HDOP 99 VDOP 99 PEM 7 REM 0 Min SV s 1 Diff control This function is included for information only In normal circumstances this function will not be used It allows the user to communicate with the GPS receiver and set the Diff Mode Station ID Correction Age Limit and determine the source of RTCM data 77 144 2 Operation 78 144 veripos The first screen of this menu is as follows Pressing Enter displays the first sub menu Pressing Enter displays the first sub menu Pressing Toggle displays the second sub menu Pressing Toggle again displays the third sub menu Pressin
71. for a new location oo eee cece eeeteeeeeeeeeteeeeeeeteeeeeeeaaes 54 2 3 12 Determining firmware Versions ccccceeeeeeeeeeeeeetneeeeeeetaeeeeeeeaaes 55 2 3 13 Configuring a 1 pps output from the LD2 ceeeeeeeeetteeeeee 56 24 VSO IESi nia a a A A dered 58 2 5 SyStem INTOrmaton serne 58 2 5 1 POTOA SAN ren nest anale een 59 2 5 2 Installed MAN ein a E aa 59 2 5 3 Host IP address sianida andaina aa a a a Aia 59 26 ACCOSS CODE rss naine aa a a a aa a 60 2 6 1 Model Variantes autant 60 2 6 2 Checking current status 0 0 ccc eeeeeeeeeeeeeneeeeeeeeaaeeeeeenaeeeeeeeaaes 60 2 6 3 Determine current access code cccccecceceeeeeeeeeeeeeettncaeeeeeeetens 60 2 6 4 Request enable disable code cccecceccccceceeeeeeeeeteeeettecaeeeeeeenens 60 LD2 Operations manual AB V MA 00512 veripos 2 7 Reference information cccccccceeeeeeeeeecceeceeeeeeeeeeeseeeeccueeeeeeeeeeeeeeeneees 61 2 7 1 Men Structure eniron letters teneetee 61 2 7 2 Configuration mode 000 0 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeaeeeseeeneeeeeeaeeees 74 2 7 3 Seral ports configuration ooo eee ceeetee eee eeeeee eee eeeeeeeeeteeeaeeeeteeneeees 82 2 7 4 Unit Status 2 2 eee cece ee eee eee eeceneaee cece eeeesecsecaecaeeeseeeeeeeeesensennaeeeeees 97 2 7 5 GPS r celcer MENU 35e deed e ieeecdl gee nneeenndine tlie deine 102 2 7 6 NMEA 0183 messages 00 ee eeeeeeceeeeeeeeeeeenaeeeeeeeaaeeeeeenateeeeeeaees 109 2 7 7 Gl
72. g Altitude Press the Enter key to view the status page The information below is displayed e Alt e V Vel vertical velocity 39 144 2 Operation 40 144 veripos Course and speed Press the Enter key to view the status page The information below is displayed e course and speed Time UTC Press the Enter key to view the status page The information below is displayed e UTC time Press the Enter key to view the status page The information below is displayed PDOP HDOP VDOP TDOP SV s in view Press the Enter key to view the status page The information below is displayed e PRN e signal to noise S N e azimuth A Z e elevation EL Press Toggle to page through all the SV s in view LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 7 2 Reconfiguring port P5 LD2 Operations manual AB V MA 00512 Port P5 must be set to OFF before the GPS receiver status information can be displayed on the LD2 A WARNING Depending on system configuration setting port P5 to OFF may disrupt the operation of external equipment such as Verify QC This change should NOT be made during vessel operations whilst the external equipment is in use The original setting should also be re instated once the status of the GPS receiver has been checked NOTE If Verify QC is installed and operational it will display any necessary GPS status inf
73. g Toggle displays the fourth sub menu Pressing Toggle displays the fifth sub menu LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 Within each of the above sub menus pressing Enter moves the cursor from the extreme left of the lower line to a position immediately to the left of the current value For Diff Mode the display changes as shown below to With the cursor at the entry point repeatedly pressing Toggle cycles through the available options Pressing Enter selects the displayed value Options for each sub menu are Diff Mode REMOTE OFF Auto Diff ON OFF Station ID 0000 Age Limit 0100 RTCM Source DNLINK REMOTE LOCAL Port A settings This function allows the user to set up the NMEA outputs from the LD2 which are output on port P1 and port P2 See section section 2 7 6 NMEA 0183 messages for format description NOTE For port P1 these settings determine which NMEA strings are output when the port is configured in LOCAL mode If the port is in GPS RX mode the strings must be selected by directly programming the GPS receiver using script files The first screen of this sub menu is as follows Press the Enter key to access the first screen in the sub menu Press Enter to move the cursor to the centre of the screen string selection mode 79 144 2 Operation 80 144 veripos Use the Toggle key to
74. he recommended minimum which will look similar to SGPRMC 123519 A 4807 038 N 01131 000 E 022 4 084 4 230394 003 1 W 6A RMC data message defined RMC Recommended minimum sentence C 123519 Fix taken at 12 35 19 UTC A Status A active or V void 4807 038 N Latitude 48 07 038 N 01131 000 E Longitude 11 31 000 E 022 4 Speed over the ground in knots 084 4 Track angle in degrees true 230394 Date 23rd of March 1994 003 1 W Magnetic variation 6A Checksum data always begins with Note that as of the 2 3 release of NMEA there is a new field in the RMC sentence at the end just prior to the checksum For more information on this field see the NMEA home page http www nmea org 2 7 6 8 ZDA The ZDA message is date and time SGPZDA hhmmss ss dd mm yyyy xx yy CC ZDA data message defined hhmmss Hour minutes seconds UTC dd mm yyyy Day month year XX Local zone hours 13 13 yy Local zone hours 0 59 CC Checksum data always begins with 114 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 6 9 GST The GST message contains global navigation satellite system GNSS pseudorange error statistics SGPGST hhmmss ss a a b b c c d d e e f f g g cc GST data message defined hhmmss UTC time in hours minutes seconds of the GPS position a a Root mean square rms value of the standard deviation of the range inputs to the navigation process Range inputs include pseudoranges an
75. icienta le estltnnn frere eines 143 4 1 1 Helpdesk nine Renan nest a terne sn ane eae 143 4 2 Additional VERIPOS offices 0 0 ccceceeeeeceeecceceeeeeeeeeeeeeeeeeaaeeeeeeeeeeeees 144 LD2 Operations manual AB V MA 00512 veripos 1 Introduction 1 introduction 1 1 VERIPOS This manual contains the information required to operate the Veripos LD2 unit 1 1 1 Veripos 1 1 2 LD2 LD2 Operations manual AB V MA 00512 Veripos specialise in providing robust data broadcast services for precise positioning applications for the offshore industry For optimum performance it is essential that the receiving and processing hardware is of an equally high standard To ensure this Veripos offers a range of hardware designed and manufac tured to the highest specifications and with relevant certifications The LD2 integrated mobile unit is designed to achieve the product philoso phy of standardised upgradeable hardware with maximum flexibility whilst beeing simple to operate and maintain The LD2 is available in a number of configurations from basic satellite receiver to a fully integrated mobile positioning unit with demodulator and multi frequency GNSS receiver Completely modular the unit can be upgraded to different configurations as required Functionally the LD2 can be used in a virtual black box mode to generate any Veripos proprietary position solution depending upon the data subscriptions enabled Additionally i
76. installed does not require reference stations configuration It will automatically select the nearest stations up to four stations and use them in its calculation The stations must be enabled in port P2 as indicated above Users will still need to reconfigure the local communications satellite NOTE Where the LD2 is used in conjunction with VERIPOS Verify QC software this will also require configuration as follows 54 144 The RTCM inputs on each Verify QC system must be reconfigured by selecting the appropriate Beam and Stations The Calculations on each Verify QC system must be reconfigured by selecting the appropriate Stations See Verify QC manual for full details LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 12 Determining firmware versions LD2 Operations manual AB V MA 00512 Some features of the LD2 vary according to the versions of firmware which are installed The VERIPOS Helpdesk may ask the user to check which versions are installed on the system This may be determined as follows From any location in the menu repeatedly press the Page key until the display shows Press Enter The display will show Press Enter The display will show Press Page twice The display will show Press Enter Ifthe unit is an LD2 the display will be similar to that shown below If the unit is an LD2S the display will be similar to th
77. invalid 1 GPS fix SPS 2 DGPS fix 3 PPS fix 4 real time kinematic 5 float RTK 6 estimated dead reckoning 2 3 feature 7 manual input mode 8 simulation mode 08 Number of satellites being tracked 0 9 Horizontal dilution of position 545 4 M Altitude meters above mean sea level 46 9 M Height of geoid mean sea level above WGS84 ellipsoid 08 Time in seconds since last DGPS update 1004 DGPS station ID number 47 Checksum data always begins with If the height of the geoid is missing then the altitude should be suspect Some non standard implementations report altitude with respect to the ellipsoid rather than geoid altitude Some units do not report negative altitudes at all This is the only sentence that reports altitude 110 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 6 3 GLL 2 7 6 4 VTG LD2 Operations manual AB V MA 00512 Geographic latitude and longitude is a holdover from Loran data and some old units may not send the time and data active information if they are emu lating Loran data If a GPS is emulating Loran data they may use the LC Loran prefix instead of GP SGPGLL 4916 45 N 12311 12 W 225444 A 31 GLL data message defined GLL Geographic position latitude and longitude 4916 45 N Latitude 49 16 45 N 12311 12 W Longitude 123 11 12 N 225444 Fix taken at 22 54 44 UTC A Data A active or V void 31 Checksum data always begins with
78. is an outstandingly effective and flexible unit that ensures reliable reception of Veripos services as well as producing superior positioning from metre to decimetre level accuracy Further information on the LD2 and related products can be found on the VERIPOS VOSS details later in this section including knowledge base quick guides and FAQ s Where required see the LD2 Installation manual Verify DP Operations manual and Veripos Verify QC manual 1 2 Scope and safety This manual contains the information required for the operation of the Veripos LD2 unit For information on the operation of Verify DP see the Verify DP Operations manual Information on related products can be found in the Veripos Verify QC User manual Manuals are available at http help veripos com 1 2 1 Safety Safety is the responsibility of the individual carrying out the work and all persons involved in the operation e On arrival at the worksite contact the wheel house for a site specific safety induction e Follow safety rules applying at the work site e Obtain all permits relevant to the job prior to any work commencing e Were necessary the safety check list should be completed if applicable 1 3 Target groups The target group for the this manual are the operators of the Veripos LD2 unit 4 144 LD2 Operations manual AB V MA 00512 veripos 1 4 Contents LD2 Operations manual AB V MA 00512 Chapter 1 Introduction 2 Operati
79. is fixed at 9600 baud In GPS RX mode it is possible to change the baud rate but this requires reprogramming of the GPS receiver If the user wishes to change this setting contact the VERIPOS Helpdesk for assistance 2 3 9 1 Configuring the strings output in Local mode LD2 Operations manual AB V MA 00512 The NMEA strings to be output on port P1 in LOCAL mode only are configured from the Configure GPS menu NOTE This menu structure exists for historical reasons Despite the allusions to GPS receiver it is actually configuring the PC104 processor Repeatedly press Page to reach the entry point of the main menu Press Enter followed by Page to display the GPS Receiver Configura tion menu Press Enter then press Page four times to display the Port A Settings menu 47 144 2 Operation 48 144 veripos Press Enter to access the first screen in the sub menu which is shown below Press Enter to move the cursor to the centre of the screen String selec tion mode Use the Toggle key to move through the list of available NMEA strings see table below It is possible to output multiple strings from port P1 Each string may be individually enabled or disabled To the right of each string ID the display will show either OFF indicating that it is disabled or 1 0 indicating that it is enabled for output at 1 Hz i e one set of d
80. layed if the HF frequency band was selected The MF option is a free service and no decryption is necessary Press Toggle to switch between Enabled and Disabled Press Enter to accept the displayed option 95 144 2 Operation veripos _ NOTE VERIPOS HF stations are encrypted using the C2 and C3 code There are also free to air HF stations that do not use encryption When a free to air station is being used the decryption needs to be switched off VERIPOS cannot guarantee availability and system performance of third party stations as these are not controlled by VERIPOS 2 7 3 8 Beacon receiver 96 144 NOTE This menu will only appear if the optional beacon SBX 4 card is installed The beacon receiver is capable of receiving corrections from stations in the MF IALA beacon network The SBX 4 card will have a two beacon channel option while a single channel applies to the 3001 card Card selection in the installed hardware menu must be correct for the menus to display single or dual channel Station selection From the above screen press Enter to display Press Enter again to display the configuration menu The beacon receiver card has three modes of operation e Auto Distance selects the closest station to the users current location e Auto Frequency selects station with the strongest signal strength at the users location Manual allows the user to enter the frequency and bit rate
81. milar to that shown below NOTE Some service options are only available with specific firmware versions VERIPOS Helpdesk may request the user to report the installed versions before issuing enable codes 101 144 2 Operation veripos amp 2 7 5 GPS receiver menu The GPS receiver menu information is only accessible when port P5 is switched off see section section 2 3 7 2 Reconfiguring port P5 2 7 5 1 Receiver information Press the Enter key to view the status page The information below is displayed e model and firmware version e serial number e installed options currently not implemented 2 7 5 2 Position Press the Enter key to view the status page The information below is displayed e latitude e longitude 2 7 5 3 Altitude Press the Enter key to view the status page The information below is displayed e altitude e vertical velocity 102 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 5 4 Course and speed Press the Enter key to view the status page The information below is displayed e course and speed 2 7 5 5 Time UTC Press the Enter key to view the status page The information below is displayed e UTC time 2 7 5 6 DOP Press the Enter key to view the status page The information below is displayed PDOP e HDOP e VDOP TDOP LD2 Operations manual 103 144 AB V MA 00512 2 Operation veripos
82. move through the list of available NMEA strings It is possible to output multiple strings from port P1 Each string may be indi vidually enabled or disabled To the right of each string ID the display will show either OFF indicating that it is disabled or 1 0 indicating that it is enabled for output at 1 second intervals To change the status of the displayed string press Enter This will move the cursor to the right of the screen rate selection mode The number displayed to the right of the cursor is the output rate for the string To disable the string press Toggle until OFF is displayed To enable the string press Toggle until any other rate is displayed Press Enter to accept the entry and move back to the string selection mode NOTE NMEA messages are always output at 1 second intervals regardless of the rate selected Select OFF to disable the message or select any rate to enable it at 1 second intervals Press Page to move to the next menu The screen above allows the user to output Ashtech type position strings from Port 1 and Port 2 of the LD2 does not apply where other GPS card installed in the LD2 Port B settings This function allows the user to set up the NMEA outputs from the LD2 which are output on port P3 The first screen of this sub menu is as follows Press Enter to access the setup menu Strings may be enabled or disabled in exactly the same wa
83. n unchanged Access code reverts to previous value Code incorrect or wrongly entered Repeat request Report problem to Help desk include a note of the current access code Unit requires a reset Disconnect the power for one minute Reconnect power and repeat code entry After requesting new Access Code the access code shows a value but other entries remain unchanged For LD2S only Not receiving L band LD2S units cannot be enabled or disabled unless the Sync indicator is illuminated See section 3 3 L band signal fault ID lamp is extinguished it should normally be illuminated either solid or flashing For LD2S only No L band signal has been received since the unit was switched on For LD2S units the ID indicator is not activated until L band signals have been received See section 3 3 L band signal fault for trouble shooting L band faults The unit has been enabled for Verify DP but the monitor remains blank Unit requires a reset Disconnect the power for one minute LD2 Operations manual AB V MA 00512 141 144 3 Troubleshooting 142 144 3 3 L band signal fault veripos Fault Reason Remedy SYNC indicator extinguished Unit requires a reset Switch power OFF for one minute then switch back ON Allow a few minutes for the unit to acquire synchronisation The vessel has moved to
84. nge of 2500 Km e Ifthe external system has sufficient intelligence as with Verify QC it will automatically exclude distant stations and weight the data from the remaining stations according to range and other factors e If the external system has less intelligence the user should enable the closest stations and disable the remainder e In the extreme case some GPS receivers can accept RTCM corrections but cannot differentiate between stations i e they have no multi refer ence capability For these receivers only a single reference station should be enabled Enabling multiple stations will generate position noise since the receiver will compute fixes in turn from each individual reference station 42 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation VERIPOS Ultra has no range limitations and may be used in any location The corrections are in a VERIPOS proprietary format however and can only be decoded by VERIPOS systems When the LD2 is enabled for Ultra serv ice the user should always enable the Ultra ID on the output port connected to Verify QC Satellite Ultra ID POR 0068 143 5E 0068 IOR 0068 25E 0068 AORE 0068 AORW 0068 98W 0068 Global and regional coverage charts are available on the VERIPOS online support site VOSS at http help veripos com VERIPOS also provide Verichart software which enables the user to gen erate a chart showing the best beams and reference stati
85. ntrol Centre Note that the actual code displayed will be dependent upon the receiver unit Press the Page key to enter the next sub menu 97 144 2 Operation 98 144 veripos Signal status The signal status gives information on the quality of the signal and signal lock of the selected down link See Appendix to check the status of the downlink beam from the main menu press Page until the screen displays Press Enter and the screen will display Press Enter again followed by Page and the screen will show Press Enter to access the Signal Status page This display is for an LD2 unit only This display is for an LD2S unit only See section section 2 3 3 Checking demodulator status for a detailed expla nation of the display information LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 4 2 HF MF receiver status LD2 Operations manual AB V MA 00512 NOTE This menu is only present in an LD2 variant containing HF MF 3001 card The HF MF receiver status page gives the user details of the HF MF receiver cards ID the signal status for channel 1 channel 2 and the firmware versions on the card Channel status Press the Enter key to access the sub menu and the Toggle key to toggle between channel 1 and channel 2 The channel status menu gives details for both channel 1 and 2 for the frequency s being used the bit rate bps the signal strength for
86. o the entry point 31 144 2 Operation veripos Press Toggle until the required setting is displayed then press Enter to accept the change and return to the status menu Repeatedly press the Page key to return to the main menu 2 3 4 3 Select downlink beam 32 144 NOTE LD2 and LD2S units have different L band cards There are slight differ ences in their menus The guide below details the differences Repeatedly press the Page key until the following screen appears Press Enter and the screen changes to Press Enter again Press Enter again to access the downlink channel table Press the Toggle key to step through the available downlink beams until the required beam appears on the screen then press Enter The cursor will move to the right hand side of the screen and the letter N will be displayed LD2 Operations manual AB V MA 00512 veripos 2 Operation Press Toggle to change the N to a Y then press Enter to confirm the change The screen will now display The chevron gt indicates that the beam now is selected 2 3 4 4 Check sync indicator After a short delay whilst the L band card acquires lock the Syne indicator should illuminate to confirm that the LD2 is receiving the selected beam O Sync HF MF Lock ID O GPS Message DGPS Figure 5 Status LED s 2 3 4 5 Check demodulator status After changing the beam it is ad
87. obal coverage Chart ceecccecseeceeeeeeeeeeeeeeeeneeeeeeeeeneeeeeeeneees 116 2 8 Bridge cards ere 117 2 8 1 LD2 ACCESS code minister 117 2 8 2 LD2 Beam selection select data channel 119 2 8 3 LD2 Configuration of RTCM port outputs 121 2 8 4 LD2 Configuration of position output on port P1 ee 122 2 8 5 LD2 Configuration of VERIPOS HF corrections cee 124 2 8 6 LD2 Checks of equipment status cccccceeeeeeeeeeeeeetttteeeees 126 2 9 Specifications asaca nhi a der eed adie eds 128 2 9 1 LD2 specifications 2 0 0 2 eee eeceeceeceeece cee eeeeeeeeetecneaeeeeeeeeeeeeteeeseaeens 128 2 10 GNSS Ports SAL and SNP ccceeeeeeeceecee cee ee cece eeeeeeaeeeeeeeeeeeeeeeenenas 133 2 10 1 WO port details 0 cece cceecceeeeseerceeeeeseeeeseeesaeeeeeeesiteeeesenaees 133 2 10 2 Signal access licence and service notification form 134 Troubleshooting nici cccccuide ed seckd ieseceted hence eued dese etet ddeeetet ieeeeaien iieeetiend lesdenstd ices 139 3 1 POWGN fault siemens dndsxeetssannud tendaddseans EE a E a 140 3 2 Enable disable faults ccccccecceeeeeeeeeceeceeeeeeeeeeeeeeeeccueeeeeeeeeeteeeeeeeaaa 141 93 3 Leband signal fault taste hed dade unes inertie vee 142 Contact IMPOMMATION ucessis snrerseranfecsnpemannenarenseraebsnentenntnni qui 143 4 1 VERIPOS UK cen
88. of a station LD2 Operations manual AB V MA 00512 veripos 2 Operation NOTE VERIPOS strongly recommend using Auto Distance since this has been found to provide the simplest and most reliable mode of operation This is configured as follows Press Toggle until Auto Dist is displayed then press Enter to confirm selection If the user wishes to use Manual mode the frequency and data rate of the required station must be known Press Toggle until Manual is displayed Pressing Enter to confirm the selection moves the cursor to the bottom row of the display The frequency and bit rate values must then be entered using the Toggle and Enter keys 2 7 4 Unit status The Status menu allows the user to view the systems operational parame ters for the onboard components and system details The menu structure is outlined in section section 2 7 1 Menu structure 2 7 4 1 Demodulator status LD2 Operations manual AB V MA 00512 The demodulator status page gives the user details of the demodulator card ID the signal status and the firmware versions on the card Unit ID The first screen shown in this sub menu is as shown below Press the Enter key to access the first screen shown below This shows the unit ID and that the unit status Enabled or Disabled If the unit is disabled it will have to be enabled by obtaining the appropriate access code from the VERIPOS Network Co
89. on 3 Troubleshooting 4 Contact Information 1 Introduction Contents This chapter specifies the purpose and target groups for the manual It also contains list of used abbreviations and a specification of the document conventions This chapter describes the interfaces in detail on the front and back side of the LD2 unit the initial start up menu structure and configuration of the system It also comprise status and system test information This chapter describes routines for basic fault finding in case of system malfunction This chapter contains information about how to contact the VERIPOS Helpdesk regarding technical or support issues It also contains addresses to additional VERIPOS offices world wide 5 144 1 Introduction 6 144 veripos 1 5 Terms and abbreviations A ADE BDE BER bps CoG CR DGPS DOP DP EGNOS GDOP GLONASS GPS GNSS HDOP HF Hz KPH LAN LED LF LNA L band LCD LD2 MF MHz MPH m s NMEA N A PDOP PPP PPS PRN RMS RoHS RTCM Ampere Above Deck Equipment Below Deck Equipment Bit Error Rate Bits Per Second Course Over Ground Carriage Return Differential GPS Dilution of Precision Dynamic Positioning European Geostationary Navigation Overlay Service Geometry Dilution of Precision Global Navigation Satellite System Russian equivalent to GPS Global Positioning System Global Navigation Satellite System Horizontal Dilution of Precision High Frequ
90. on It is not a requirement that the GSV sentences all appear in sequence To avoid overloading the data bandwidth some receivers may place the various sentences in totally different samples since each sentence identifies which one it is The field called SNR signal to noise ratio in the NMEA standard is often referred to as signal strength SNR is an indirect but more useful value than raw signal strength It can range from 0 to 99 and has units of dB according to the NMEA standard but the various manufacturers send different ranges of numbers with different starting numbers so the values themselves cannot necessarily be used to evaluate different units The range of working values in a given in the GSV string will usually show a difference of about 25 to 35 between the lowest and highest values however 0 is a special case and may be shown on satellites that are in view but not being tracked SGPGSV 2 1 08 01 40 083 46 02 17 308 41 12 07 344 39 14 22 228 45 75 GSV data message defined GSV Satellite in view 2 Number of sentences for full data 1 Sentence 1 of 2 08 Number of satellites in view 01 Satellite PRN number 40 Elevation degrees 083 Azimuth degrees 46 SNR higher is better for up to four satellites per sentence 75 Checksum data always begins with 113 144 veripos 2 Operation 2 7 6 7 RMC NMEA has its own version of essential gps pvt position velocity time data It is called RMC t
91. ons for the exact location of the worksite This software is provided with new systems and may also be downloaded from VOSS VERIPOS recommend that this software is installed during commissioning so that it is available during operations 2 3 8 1 Configuring reference stations on port P2 LD2 Operations manual AB V MA 00512 NOTE By default both P2 and P4 are configured to output RTCM at a baud rate of 9600 baud It is recommended that the user leaves these settings unchanged The displays will then be as shown in the following illustrations These only show the procedure for enabling disabling stations If connecting to an external system which requires different settings for baud rate etc the user should refer to the more detailed explanation in the manual Port P2 is configured as follows Repeatedly press Page until the screen shows 43 144 2 Operation 44 144 veripos Press Enter and the screen will display Press Page twice and the screen will change to Press Enter followed by Page to display the port P2 setup The cursor defaults to the baud rate Press Enter twice to move the cursor to the reference station ID number Press Toggle to move through the list to the desired reference station ID number Press Enter to move the cursor across Press Toggle to change the N to a Y followed by Enter The reference station will now be selected and the cursor will jum
92. ormation it should not be necessary to use the LD2 status menu Port P5 may be disabled as follows Press Page until the screen displays Press Enter and the screen will display Press Page twice and the screen will change to Press Enter then press Page four times to display the port P5 setup 41 144 2 Operation veripos amp gt Press Toggle to change the port PS output to Press Enter to disable the output NOTE The same procedure may be used to set the port back to REMOTE when the status checks are completed 2 3 8 Configuring RTCM output ports RTCM data is output from the LD2 on ports P2 and P4 The data string configured on port P2 is also used internally when computing positions for output on port P1 All stations available in the demodulator station list see above are poten tially available for output However the output port configuration makes provision for each reference station to be individually enabled or disabled VERIPOS recommend that all available reference stations are initially enabled on both P2 and P4 Users should subsequently tailor their configura tion to match their specific requirements NOTE The final selection of reference stations must be made by reference to the system receiving the corrections The full station list will contain stations which are too far from the work area to provide usable corrections VERI POS recommend a maximum ra
93. p back to the reference station ID number Use Toggle again to move through the list until the next desired station ID is displayed Use Enter Toggle Enter to select Stations can be deselected in the same way by toggling through the list and using Enter Toggle Enter to deselect the desired station LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 8 2 Configuring reference stations on port P4 The procedure for configuring port P4 is almost identical to that for configur ing P2 The only difference is in selecting the port to modify From the following screen see above Press Enter then press Page three times to display the port P4 setup Continue as described above for port P2 2 3 9 Configuring position output from port P1 Port P1 on the LD2 has two output modes for NMEA messages Local where the onboard processor generates the NMEA message or GPS RX where the GPS card generates the NMEA message The following describes how to apply and when to use these modes VERIPOS recommend by default a NMEA GGA position output is config ured on port P1 This enables the correct operation of the front panel GPS and DGPS LED s which provide the user with a useful indication of GPS status A WARNING Depending upon the local installation port P1 may be used to output NMEA data to the user s external equipment This equip ment may require a different output configuration C
94. peration Lock status 4 Reference lock indicates that the internal synthesiser is locked and is independent of the received satellite signal Symbol lock indicates that symbol lock has been acquired A 2 Carrier lock indicates that carrier lock has been acquired 000 Frame synchronisation indicates that frame synchronisation has been acquired 2 3 3 2 Corrective action Change beam If the beam shown in the status is not correct for the current location it must be changed See section 2 3 11 Reconfiguring for a new location NOTE If the beam setting is incorrect then it is likely that other settings will also require re configuration Investigate L band input problem If the status display shows that the correct satellite is selected then there must be a problem with the L band input signal See the Troubleshooting chapter 2 3 4 Configuring LD2 demodulator to receive corrections VERIPOS corrections are broadcast from different geostationary satellites The LD2 uses corrections broadcast from one of these satellites The choice of satellite is determined by the location of the work area This is referred to as Beam selection or Channel selection The beam footprint chosen for use must cover the work area A chart show ing VERIPOS beam coverage is given in section section Figure 10 Global coverage chart Vessels may have more than one LD2 system installed In most instances more
95. pos amp gt 2 8 6 LD2 Checks of equipment status This Bridge card describes how to check the status of your VERIPOS LD2 LD2S receiver for the status of Firmware Demodulator HF GPS Step 1 Features available may vary with the firmware installed on your LD2 LD2S Where Check demodulator requested by the VERIPOS Helpdesk check which firmware version is installed fervare VANIGI Page x times to Main Menu Status Enter 1x to Status Demodulator Enter 1x to Demodulator Unit ID Page 2x to Demodulator Software Versions Enter Display will vary depending whether LD2 LD2S see below Step 2 When the LD2 LD2S receives corrections signal from the geostationary satellite Check demodulator beam channel for the current location the Sync LED will light up Users can signal status then check the signal strength using the instructions below Page x times to Main Menu Status Enter 1x to Status Demodulator Enter Page to Demodulator Signal Status Enter Display will vary depending whether LD2 LD2S see below The Sync indicator LED is lit and confirms the LD2 is receiving the selected beam You can check the demodulator status see the Beam selection Bridge card 126 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation Step 3 Check HF status Step 4 Check GPS status Page x times until
96. r enabling the LD2 for the Verify DP service the LD2 must be rebooted in order to activate the external monitor screen Turn the power off for one minute using the switch on the rear of the unit 2 3 2 5 Disabling the unit The LD2 is disabled in exactly the same way obtaining a 4 digit access code from the VERIPOS Helpdesk and entering it into the unit In the example screen above the new access code is A08010004E Report the actual code shown to the VERIPOS Helpdesk using the SNF and they will issue a disable code Enter this code into the LD2 and report the confirmation code back to the Helpdesk NOTE Always report the confirmation code to ensure the correct charges are applied As confirmation the ID LED on the front panel will change from a solid light to a flashing light indicating the LD2 is disabled 2 3 3 Checking demodulator status In order for the LD2 to provide a differential position and RTCM outputs it must be locked to the correct communications satellite referred to as beam or channel for the current location For guidance on determining and selecting the correct beam see the relevant section 2 3 3 1 Check status This procedure checks which beam is selected It also shows the strength of the received signal and the lock status Repeatedly press Page until screen displays Press Enter and screen will display LD2 Operations manual 27 144 AB V MA 00512 2 Operation
97. red in detail in section section 2 3 8 Con figuring RTCM output ports This includes an explanation on how to choose which reference stations should be enabled Depending on the existing configuration the display may show either of the displays below or Note that the cursor is positioned on the top line allowing the output type to be selected To change the output type press Toggle until the required option is displayed then press Enter to confirm the choice It is necessary to select RTCM DNLINK first even when the port will be used for NMEA output NOTE RTCM settings are not accessible once the NMEA mode is selected so must be configured first When used for NMEA position output the RTCM output settings must still be configured as these determine which RTCM correction messages are passed to the internal GPS receiver and internal processor The internal proc essor uses an onboard algorithm to compute multi reference DGPS and or Ultra position solutions for output on port P1 in LOCAL mode and for use in Verify DP Press Enter from the RTCM DNLINK display to move the cursor to the bottom line and enable baud rate selection Use the Toggle key to step through the options which are 1200 2400 4800 9600 19 200 and 38 400 Press the Enter key to confirm the selection LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 String Format
98. rm the selection moves the cursor to the bottom row of the display The frequency and bit rate values must then be entered using the Toggle and Enter keys 93 144 2 Operation 94 144 veripos HF ME station details NOTE This menu is only displayed if the HF frequency band was selected The Station Details menu displays a list of attributes associated with the VERIPOS HF reference stations The C3 code is the decryption key required to decode the encrypted signals from the VERIPOS HF stations Only the C3 code may be changed by the user The remaining values are stored in the LD2 firmware and are displayed for reference only Details are e station name e station ID e channel 1 frequency e channel 2 frequency e data rate e C3 code From the above screen to access the code entry screen 1 Press Enter then Toggle until the selected station is displayed 2 Press Enter then repeatedly Toggle until the following screen is displayed The C3 code is obtained from the VERIPOS Helpdesk and is the decryption key required to decode the encrypted signals from VERIPOS HF stations Different codes are required for different stations In order for the Helpdesk to provide a C3 code the user must supply the unique C2 code associated with his particular LD2 Use the HF MF Status Menu to obtain the C2 code as described in section section 2 3 2 2 Determine current access code Se
99. se the user may wish to disable the LD2 during periods of prolonged inactivity 2 10 2 2 Service notification form SNF 134 144 In order to enable or disable the LD2 codes must be obtained from the VERIPOS Helpdesk Requests for enable disable codes should be made using the SNF service notification form This should be submitted by email to the VERIPOS Helpdesk at helpdesk veripos com NOTE The current version of the form can be downloaded from the VERIPOS online support web site http help veripos com If necessary enable requests can also be submitted by telephone to the VERIPOS Helpdesk See the VERIPOS contact details section of the Appendix for current phone numbers Before calling please refer to a SNF and ensure that all the required informa tion is available LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 VERIPOS provide a range of services which are available in various combi nations When requesting an enable code the user must specify which serv ices are required The full listing of services is provided on the signal notification form The choice of services affects both pricing and system accuracy For more information visit the VERIPOS Web site http help veripos com NOTE Some services are only available on units with specific hardware options installed 135 144 2 Operation veripos amp veripos SERVICE
100. ss Toggle to display Enabled then press Enter to accept This completes the entries Repeatedly press Page to return to the main menu 2 3 10 4 Check HF status From any point in the menu structure repeatedly press Page until the Main Menu Status screen is displayed Press Enter then press the Page key twice to display Press Enter to display the HF MF Receiver Channel Status screen LD2 Operations manual 53 144 AB V MA 00512 2 Operation veripos Press Enter to access the Channel Status screen Use Toggle to switch between Ch1 and Ch2 For each channel the display shows the frequency in use the bit rate bps the signal strength dBuv m and the calculated signal to noise ratio db 2 3 11 Reconfiguring for a new location After moving to a new geographical region the following steps must be per formed to reconfigure your system l Each LD2 demodulator must be reconfigured to receive a local commu nications satellite This is carried out using the push buttons and the LCD on the demodulator front panel See relevant procedure Each LD2 demodulator must be reconfigured to enable the required reference stations on the relevant output port s This must include the Ultra station if the Ultra service is used This is carried out using the push buttons and LCD on the demodulator front panel See relevant procedure Verify DP software if
101. ssed from the Configuration menu see menu maps in section section 2 7 1 Menu structure or HF MF 3001 cardBeacon SBX 4 card 91 144 2 Operation veripos amp 2 7 3 7 HF MF card HF MF 3011 Frequency band Press Enter from the above menu to access the Frequency Band selec tion sub menu NOTE The three sub menus can then be accessed by repeatedly pressing Page Press Toggle to change between HF and MF e Select HF when using the VERIPOS HF station network e Select MF when using third party MF corrections Press Enter to confirm the displayed option then Page to move to the Station Select sub menu Station select Press Enter to display the configuration sub menu Two different sub menus are possible depending on the frequency band previously selected or HF type displayMF type display 92 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 Configuration in HF mode In HF mode a global list of VERIPOS HF stations will be displayed Repeatedly pressing Toggle cycles through the complete list NOTE The HF MF card can receive data on two channels Each VERIPOS HF station transmits corrections on two different frequencies to enhance reliabil ity Therefore only one station may be selected The currently selected station if any is identified by chevron gt preceding the station name To selec
102. t Differential remote RTCM V2 2 Raw data output 1 PPS 5V TTL Position and raw data update rates selectable up to 10 Hz 2 x bi directional RS 232 serial ports up to 115200 bps Operating temp 30 T to 60 T Power consumption 2 2 W Magellan DG14 12 channel L1 C A code and carrier 2 SBAS channels WAAS EGNOS MSAS Edge and strobe correlator multipath mitigation Standard NMEA 0183 V3 0 output Differential base and remote RTCM V2 2 Raw data output code and carrier 1 PPS 5V TTL Position and raw data update rates selectable up to 20 Hz Kalman filter 2 x bi directional RS 232 serial ports up to 115200 bps Operating temp 30 T to 70 T Power consumption 1 2 W LD2 Operations manual 129 144 AB V MA 00512 2 Operation 130 144 veripos Magellan Z Family including ZX Eurocard and Z Eurocard 36 channel all in view parallel tracking 12 channel L1 C A code and carrier tracking 12 channel L1 P code and full wavelength tracking 12 channel L2 P code and full wavelength tracking Z tracking Enhanced edge and strobe correlator Standard NMEA 0183 V2 3 and 3 0 output Raw data output code and carrier 1 PPS 5V TTL Position and raw data update rates selectable up to 10 Hz Differential base and remote RTCM V2 2 4 x bi directional RS 232 serial ports up to 115200 bps Operating temp 30 T to 70 T Power consumption 7 5 W Magellan GG24 24 channel GPS and GLONASS 1
103. t a different station press Toggle until the station name is dis played and then press Enter The cursor will move to the right of the screen and a flashing N will be displayed Press Toggle to change this to a Y then press Enter The selected station will be selected gt Any previ ously selected station will automatically be deselected Configuration in MF mode NOTE The HF MF card can receive data on two channels It can therefore receive two independent MF stations The two MF channels are displayed on separate screens Pressing Toggle from the opening screen switches between CH1 and CH2 Each channel provides three options for selecting stations 1 Auto Freq Chooses the station with the strongest signal 2 Auto Dist Chooses the two closest stations 3 Manual Allows manual selection of stations by entering frequency and data rate NOTE VERIPOS strongly recommend that both channels are set to Auto Dist since this has been found to provide the simplest and most reliable mode of operation To configure Press Enter to move the cursor to the first character of the mode name Press Toggle until Auto Dist is displayed Press Enter to confirm selection Repeat for the other channel If the user wishes to use Manual mode the frequency and data rate of the required station must be known Manual is selected in a similar manner to Auto Dist but pressing Enter to confi
104. t can be used as a sensor to output received data and GNSS measurements to external processing or quality control software such as Veripos Verify QC suite A small LCD and a keypad allow for quick and easy user setup In addition to calculating position the LD2 is able to output all received data in standard formats such as RTCM and NMEA The LD2 is exceptionally flexible and in most configurations overall operating status can be determined via the LED indicators and the LCD For more comprehensive status indication the LD2 may optionally be equipped with onboard QC software Verify DP which has been optimised for DP operations The software gives the user basic QC displays such as tracked satellite signal to noise ratio s polar plot of satellites in view current and pre dicted DOP levels reference station information as well as Service subscrip tion indicators and warning alarms The operation of Verify DP software is documented in a separate manual VERIPOS transmit DGPS corrections from geostationary satellites High power transmissions can be received using a compact high gain omni direc tional spot antenna Low power transmissions can only be received using a suitable stabilized dish antenna If the vessel is fitted with an Inmarsat communication system this can generally be utilised by installing an interfacing kit 3 144 1 Introduction veripos amp gt Advanced yet robust easy to install and operate the Veripos LD2
105. t when using the default unit configuration but may be disabled if certain optional configuration settings are applied It is there fore possible for the indicator to be extinguished even when good GPS sig nals are present The GPS status may still be checked using the menu system as detailed below GPS Receiver Menu NOTE The Status GPS Receiver sub menus are only accessible when port P5 is switched to OFF If none of the sub menus are available see section section 2 3 7 2 Reconfiguring port PS for instructions for configuring port P5 Repeatedly press Page until screen displays Press Enter and screen will display Press Page and screen will display Press Enter to move to the GPS Receiver sub menus LD2 Operations manual AB V MA 00512 Vveripos 2 Operation LD2 Operations manual AB V MA 00512 Repeatedly pressing Page will cycle through the sub menus as listed below Pressing Enter in any sub menu will display the associated parameters Checking Position DOPs and SV s in view should be sufficient to confirm correct receiver operation Receiver information Press the Enter key to view the status page The information below is displayed e model and firmware version e serial number e installed options not currently implemented Position Press the Enter key to view the status page The information below is displayed e lat e Lon
106. ter key to access the first screen in this sub menu as below Press the Enter key to highlight first letter of the name Use the Toggle key to step through the letters of the alphabet When the correct character is displayed press the Enter key This accepts the character and steps on to the next letter A maximum of six characters may be entered LD2 Operations manual AB V MA 00512 35 144 2 Operation 36 144 veripos NOTE e g for the June 2007 update we changed the name to HP IOR After the sixth letter or blank has been set press the Enter key The display moves on to the Frequency selection display shown below Press the Enter key again and the first number is highlighted Use the Toggle and Enter keys as before to set the required frequency NOTE For the June 2007 update use the value shown above After the last number has been set press the Enter key and the display moves on to the Data rate display shown below Press the Enter key again and the data rate 1200 is highlighted Use the Toggle key if required to step through the options which are 600 1200 2400 and 4800 Once the required value is displayed press the Enter key to accept it NOTE For the example June 2007 update we used the value shown above This completes the configuration of the parameters in Channel 16 Repeat edly press the Page key to return to the main menu
107. terminal or printer The mes sages are transmitted by the VERIPOS Network Control Centre and provide information on the network status e g any problems with refer ence stations unhealthy satellites Pressing Enter accepts the displayed option and moves the cursor to the baud rate selection field Baud rate Press Toggle to step through the options which are 1200 2400 4800 9600 19 200 and 38 400 Press Enter to confirm the selection 2 7 3 5 Port P5 set up 90 144 Port P5 is used for a direct external connection to the I O port of the GPS receiver board Depending on current configuration the entry screen may be either of the dis plays below or Press the Toggle key to switch between REMOTE and OFF then press the Enter key to select it NOTE Where REMOTE is selected for direct connection to the GPS receiver via port P5 the option to configure the GPS receiver via the Remote I O Port P3 is disabled As shown in the above display the GPS menus are also disabled when REMOTE is selected The port must therefore be temporarily turned off in order to configure NMEA outputs configure the GPS receiver or check GPS status LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 3 6 USB set up The rear panel USB connector may be used for inputting either external RTCM data or NMEA heading data from a gyro The gyro data is only used by the Verify DP software
108. ternal self test The display changes to show progress through the test cycle 2 5 System information The system information has the following displays current processor soft ware version controller software version GNSS hardware onboard and the IP address of the unit 58 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 5 1 PC 104 S W The PC 104 S W page gives software information on the PC 104 card and the controller firmware version number When the above display is shown press the Enter Key to access the information 2 5 2 Installed H W _ NOTE The user should only make changes if directed to do so by a VERIPOS engineer Incorrect entries in this menu may render the unit inoperable The Installed Hardware menu is only for use by the VERIPOS workshop engineer to specify which optional GPS card and which HF card HF MF 3001 card or beacon SBX 4 card is fitted in the unit Firmware uses entries to determine which menus should be displayed and what data formats should be used when communicating with the modules 2 5 3 Host IP address When the LD2 is connected to a network the IP will be assigned by the net work provided it is a DHCP network otherwise the LD2 unit will default to the IP 192 168 150 249 The IP of the LD2 will be displayed in the screen below to access this screen when the above screen is shown press the Enter key LD2 Operations manual 59 144
109. the VERIPOS Helpdesk require the current access code of the unit This is found as follows Repeatedly press Page until the screen displays Press Enter The screen will now display The first 10 characters comprise the access code which must be passed to the VERIPOS Helpdesk In the example screen above the code is A08010003D e The first character A is a code for the VERIPOS service s use e 0801 is the serial number of the LD2 unit 0003 shows the number of times the unit has been enabled disabled e D indicates that the LD2 is currently disabled E would indicate enabled e 2A34 the second block of characters indicates the area where the enable disable code must be entered e 66A4 the last block of characters is the confirmation code This changes each time the signal activation is changed NOTE It is important the user correctly reports the case upper or lower of the first letter when reporting the access code to the VERIPOS Helpdesk Example Axxxxxxxxx upper case A aXXXXXXXXX lower case a 25 144 2 Operation veripos amp 2 3 2 3 Request an enable or disable code Requests for enable disable codes should be made using the signal notifica tion form SNF This should be submitted by email to the VERIPOS Helpdesk see the Contact information chapter NOTE The current version of the form can be down loaded from the VERIPOS online support web site http help veri pos com
110. the appropriate beam has been selected and that the unit is receiving RTCM data LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 6 Configuring demodulator channel 16 The LD2 firmware stores a list of the geo stationary satellites which are used to deliver the VERIPOS correction data It also stores the associated frequen cies and data rates The user normally selects a satellite by simply selecting its name from a list Channel 16 is included to provide the facility to manually enter satellite parameters This is only necessary if changes are made to the satellite constellation after the firmware is issued The current application for this facility is on LD2 units with old firmware versions decoder ver 4 1 and below which are using the IOR satellite There was a power increase in the VERIPOS service from this satellite in June 2007 and this necessitated a frequency change Users were sent instructions on manually entering the new satellite parame ters into channel 16 This enabled them to use the upgraded service without the necessity of a firmware upgrade The specimen figures in the example below are taken from the IOR upgrade instructions 2 3 6 1 Configure satellite parameters in channel 16 Repeatedly press the Page key until the following screen appears Press Enter key to display the screen below Press Enter key and then the Page key This will display the screen below Press the En
111. the current channel dBuv m and the channels calculated signal to noise ratio db Example status display C2 code The C2 code is a unique code that is associated with the HF card This value is needed to generate the C3 code see section section 2 7 3 7 HF MF card HF MF 3011 and menu maps in section section 2 7 1 Menu structure 99 144 2 Operation veripos Model and F W version On entry to the Model amp F W Vers page the screen will display the receiver type and the current firmware version for the HF MF card 2 7 4 3 Beacon status 100 144 NOTE This menu is only present in an LD2 variant containing beacon SBX 4 card The beacon receiver status page gives the user details for the beacon signal status for channel 1 and firmware version on the SBX 4 card Channel status Press the Enter key to access the sub menu and the Toggle key to toggle between channel 1 and channel 2 The Channel status menu gives details for both channel 1 and 2 for SBX 4 internal use only on the frequency s being used the bit rate bps the signal strength for the current channel dBuv m and the channels calculated signal to noise ratio db LD2 Operations manual AB V MA 00512 veripos 2 Operation LD2 Operations manual AB V MA 00512 Software version Initial screen Press Enter For LD2 the display will be similar to that shown below For LD2S the display will be si
112. tion 88 144 veripos Input for external RTCM External RTCM messages can be input from an external device into port 3 for use within the internal algorithms The Port 3 switch on the rear of the LD2 must be in the REM I O position The port P3 settings on the front panel display should be set to SKT When the screen above is displayed use the Toggle key till SKT is displayed and press the Enter key Select the appropriate baud rate by pressing the Toggle until the required baud rate is displayed Press the Enter key The cursor moves to the right hand side of the screen Press the Toggle key until RTCM is displayed then press the Enter key to confirm the selection To output NMEA messages at the same time as input of external RTCM by using a Y cable to split the outgoing data and incoming data For details see the LD2 Installation Manual Input of gyro data When using Verify DP v2 0 5 or above software gyro messages can be input from an external device into port P3 also via the USB port see later Inputs are displayed on the Verify DP Target monitoring screen The Port 3 switch on the rear of the LD2 must be in the REM I O posi tion The port P3 settings on the front panel should be set to SKT when the screen above is displayed Use the Toggle key until SKT is displayed and press the Enter key Select the appropriate baud rate by pressing Toggle to select
113. tion code back to the Helpdesk ALWAYS report the confirmation code to ensure correct service Disable example Copies of the Service Notification Form and more support is available from the VERIPOS VOSS http help veripos com LD 2 front panel highlighting the keypad and ID LED s used when enabling or disabling the LD2 Keypad ID LED s LD2 integrated positioning mobile Note 1 ID lights labelling varies with model used Note 2 See section section 2 3 Operating procedures for details 118 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 8 2 LD2 Beam selection select data channel This Bridge card describes how to select the data channel on your VERIPOS LD2 receiver to receive VERIPOS augmentation services Notes are included on the type of signal source to be used including use of Fleet Broadband Step 1 Confirm setting of LD2 Ant V toggle switch Step 2 Select downlink beam OFF set when connected to an Inmarsat antenna system ON set when connected to a spot L band antenna Do not turn antenna power on when using Inmarsat antenna source or it may cause damage to the Inmarsat terminal ANTV PORT 3 Do not turn antenna power on when using ON GPS Inmarsat antenna source or it may cause 0 damage to the Inmarsat terminal OFF REMI O For details on which beams may be selected by region please re
114. to the VERIPOS Helpdesk at veripos helpdesk veripos com For details see section section 2 3 2 3 Request an enable or disable code 60 144 LD2 Operations manual AB V MA 00512 veripos 2 7 Reference information 2 7 1 Menu structure 2 7 1 1 Main menu LD2 Operations manual AB V MA 00512 2 Operation 61 144 2 Operation veripos 2 7 1 2 Configuration 62 144 LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 7 1 3 Configuration Demodulator LD2 Operations manual 63 144 AB V MA 00512 2 Operation veripos 2 7 1 4 Configuration GPS un EE 64 144 LD2 Operations manual AB V MA 00512 veripos amp 2 Operation 2 7 1 5 Configuration Serial port For all ports Select Port 1 0 required Accept entry and moves cursor to next field Accept value s displayed LD2 Operations manual 65 144 AB V MA 00512 2 Operation veripos amp 2 7 1 6 HF setup NOTE This menu is only present if the relevant HF card is installed in the LD2 vari ant Note Depending on the selection made in the pe na e bed will change stations that can be selected in the Station selection listing to those of the Veripos HF Network or the IALA MF roles setup in this Appendix stl ae nla EE y a a a BE m EN en EN a e Page lt cachet can
115. veripos LD2 Operations Manual VERIPOS Doc No AB V MA 00512 LD2 Operations Manual_RevD doc 6 9 2013 For Customer Release Originator AW Checked RR Approved EM veripos veripos Table of Contents 1 Introduction iisetavensdanonnaind coenicnassnonaenncdescveeanatauntunnmadaniteaaiinvensena 3 1 1 VERIPOS arisia tai a ae te nue 3 1 1 1 MOFTIDOS sa he nine Mt es 3 AND a sans este ae et on 3 1 2 Scope and Safety v ccesiccccstececvcaaesectvcaadahdieveavdaviersstanievreaadtieesdith nueeatantees 4 1 2 1 SELLE RO 4 1 3 Target groups cere 4 TA CONENTS cuid rendait atnetasse dant ler canes tree a entente anse 5 1 5 Terms and abbreviations cccccccecceeeeeeeeceecceeceeeeeeeeeeesessccueaeeeeeeeneees 6 1 6 Document Conventions ssassn ii a a a aA 8 1 6 1 Typographical CONVENTIONS seeeeseseeeeseeeresserrsssrrrnssttnrrnsternrnnrrn nne 8 1 6 2 Special notice Siini aa tes ea Ea a 8 1 7 Accessories supplied with the unit 0 eececeeceeceeceeeeeeeeeeeeeeeeteeeeeeeeeeees 9 1 6 VERIPOS Helpdesk crini a a R quete 9 1 9 VERIPOS online support VOSS sesssseessssesrssseerrssserrrrssrrrrssrrrrnssees 10 1 10 Enabling the equipment for use 0 cee ee cece eeeneecee cece cette eeeeeenetaeeeeeeeees 10 1 11 Specification si 11 1 12 Essential operation tasks ccccccccccceeeeeeeeeccceeceeceeeeteeeeseneeaeceeeeeeeeeenes 11 1 13 Disclaimer eee cece cece cece eeeeeeeeeee cece reeset
116. vice determine the C2 code for each LD2 submit a request for a C3 code to the VERIPOS Helpdesk select the appropriate HF station from the list displayed by the unit enter the C3 code enable decryption check the signal status 2 3 10 1 Determine the units C2 code From any point in the menu structure repeatedly press Page until the Main menu Status screen is displayed Press Enter then press the Page key twice to display Press Enter then Page to display Press Enter to display The five digit number on the right of the bottom row is the unit C2 code which must be reported to the VERIPOS Helpdesk LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 3 10 2 Request C3 code from the VERIPOS Helpdesk The request should be submitted to the VERIPOS Helpdesk by email using the signal notification form SNF Fully completing this form ensures that all necessary information is available and avoids delays A form is shown in section section 2 10 2 Signal access licence and service notification form and a blank form can be downloaded from the VERIPOS online support site at http help veripos com It is impossible to compute a C3 code unless the unit C2 code and the vessel s operating region are known NOTE Enable requests can also be submitted by telephone to the VERIPOS Help desk Before calling refer to a SNF to ensure that all the required information is available The V
117. vice Provider Video Graphic Array VERIPOS Online Support System Watt Wide Area Augmentation System Waster Electrical and Electronic Equipment 7 144 1 Introduction veripos amp gt 1 6 Document conventions 1 6 1 Typographical conventions Italic text is used to emphasize certain parts of the information as well as in cross references to other parts of the document Bold text is used for push button commands in the keypad Text within quotes is used when displaytexts are mentioned in text Monospace text is used for output strings from the device 1 6 2 Special notices A WARNING A warning indicates the risk of bodily harm or serious damage to the hardware O CAUTION A caution indicates the risk of damaging the hardware NOTE A note shows important information that helps you make better use of the system 8 144 LD2 Operations manual AB V MA 00512 veripos 1 Introduction 1 7 Accessories supplied with the unit The LD2 is supplied with documentation and equipment as agreed with the user Typically this will include e equipment packing list showing a list of the equipment supplied e LD2 receiver variant e LD2 manuals and reference material on CD e antenna s coaxial cables and connectors Optionally depending upon the variant supplied e screen and keyboard mouse for use with software e g Verify DP e rack housing VERIPOS equipment e connection equipment amp cabling To
118. visable to check the received signal level 2 3 4 6 Check available reference stations After confirming that the signal level is satisfactory check the list of refer ence stations which are available from the selected beam This will confirm the correct operation of the unit and verify that the user has selected the correct beam See the following section for details on how to do this 2 3 5 Available reference stations NOTE It may take up to 10 minutes for the unit to accumulate a full station list after selecting a new beam Station data is not available until a Type 3 message has been received Check the available reference stations as follows Repeatedly press the Page key until the following screen appears LD2 Operations manual 33 144 AB V MA 00512 2 Operation 34 144 veripos Press Enter and the screen changes to Press Enter and the screen changes to Repeatedly press Page until the screen changes to Press Enter and the screen changes to something like This screen displays the name of a station and its station ID number Pressing the Toggle key will cycle through a list of all available stations The user should verify that the list includes the stations relevant to the work area NOTE Ultra corrections have a station name of Veripos and 00 as the first two characters of the ID A fully populated list including local stations confirms that
119. wnlink beam Illuminated when LD2 is enabled for service Flashing when LD2 is disabled Off when LD2 has never been enabled Illuminated when a message has been received from the VERIPOS Helpdesk Present on older LD2 s Illuminated when using a 70 MHz antenna system and signal lock is detected in the internal upconverter Not currently implemented The IF lock LED is in the same loca tion as that of the HF lock LED on more recent models of LD2 Present on newer LD2 s Illuminated when the internal HF MF demodulator has signal lock Illuminated when the GNSS card is outputting a non differential GGA telegram through port 1 Flashing indicates the number of satellites used in the position computation Can be intentionally switched off in some configurations applications Illuminated when the GNSS card is outputting a differentially corrected GGA telegram through Port 1 Can be intentionally switched off in some configurations applications Illuminated when the internal DC power supply is activated LD2 Operations manual AB V MA 00512 veripos 2 Operation 2 1 2 Rear panel s SSCS ANT NSE KBD L BAND jury PAY RT3 I 85 264 VAC FUSE 1A OFF REMI O Figure 2 LD2 Rear Panel View GNSS antenna connector TNC type HF antenna connector TNC type Standard PS 2 port L band antenna connector N type Antenna voltage toggle switch Port 3 I O toggle switch Grounding pin oN Oat NN Signal strength connector
120. ws Press the Enter key to access the first screen in the sub menu 2 7 3 Serial ports configuration 82 144 NOTE See section section 2 10 1 I O port details for a listing of serial ports print outs The data input output ports are all set up from the Serial Port menu See section section 2 7 1 Menu structure for maps of the menus From the Main menu Configuration screen access the Serial Port configuration menu by pressing the Enter key followed by the Page key twice The following screen is shown This provides access to the six sub menus which allow the user to set the parameters and options for the six serial ports NOTE There are five RS 232 ports and one USB port USB port is omitted on LD2 Operations manual AB V MA 00512 veripos 2 Operation some early LD2 units Press the Enter key to select the first page serial port P1 NOTE Access the other ports from here by repeatedly pressing Page 2 7 3 1 Port P1 set up LD2 Operations manual AB V MA 00512 Port P1 is used to output NMEA data The screen below is used to select the source of the NMEA output message Options are GPS RX or LOCAL Press Toggle until the required option is displayed then Enter to select VERIPOS recommend using LOCAL as the default setting GPS RX may be used if demanded by the survey specification see notes below Further advice may be o
121. x quality 08 0 9 545 4 M 46 9 M 08 1004 47 Global positioning system fix data Fix taken at 12 35 19 UTC Latitude 48 07 038 N Longitude 11 31 000 E 0 invalid 1 GPS fix SPS 2 DGPS fix 3 PPS fix 4 real time kinematic 5 float RTK 6 estimated dead reckoning 2 3 feature 7 manual input mode 8 simulation mode Number of satellites being tracked Horizontal dilution of position Altitude meters above mean sea level Height of geoid mean sea level above WGS84 ellipsoid Time in seconds since last DGPS update DGPS station ID number Checksum data always begins with Ifthe height of the geoid is missing then the altitude should be suspect Some non standard implementations report altitude with respect to the ellipsoid rather than geoid altitude Some units do not report negative altitudes at all This is the only sentence that reports altitude 109 144 veripos 2 Operation 2 7 6 2 GGX Essential fix data which provides 3D location and accuracy information identical to the GGA string structure with increased accuracy in the latitude and longitude from 5 decimal points to 7 decimal points SGPGGX 123519 4807 0381234 N 01131 0001234 E 1 08 0 9 545 4 M 46 9 M 08 1004 47 GGX data message defined GGX Global positioning system fix data 123519 Fix taken at 12 35 19 UTC 4807 0381294 N Latitude 48 07 0381294 N 01131 0001234 E Longitude 11 31 0001234 E Fix quality 0
122. y as described for Port A above LD2 Operations manual AB V MA 00512 Vveripos 2 Operation LD2 Operations manual AB V MA 00512 Factory defaults A WARNING NEVER use this option without first contacting the VERIPOS Helpdesk Depending upon the model of receiver installed the LD2 may become unusable until the GPS receiver has been re programmed using external software This function allows the user to communicate with the GPS receiver to reset the unit to factory defaults but does not reset the onboard memory The first screen of this sub menu is as follows Press the Enter key to access the first screen in the sub menu which is shown below Press Enter to reset to defaults See warning above Data memory A WARNING NEVER use this option except under guidance from the VERIPOS Helpdesk The LD2 may become unusable until the GPS receiver has been re programmed using external software This function allows the user to communicate with the GPS receiver to reset to factory defaults and onboard memory The first screen of this sub menu is as follows 81 144 2 Operation veripos Press the Enter key to access the first screen in the sub menu Pressing Enter clears the memory and resets to defaults See warning above Save settings This function allows the user to save the settings of the GPS Receiver in battery backup memory The first screen of this sub menu is as follo

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