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Mid-tech RX 400p, User Manual

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RX 400p 

98-05044                                                    11-2 
    R1 

Further Reading 

National Marine Electronics Association, 

National Marine Electronics Association 

(NMEA 0183) Standard for Interfacing Marine Electronic Devices

, Version 2.1, 

October 15, NMEA 1995, PO Box 50040, Mobile Alabama, 36605 USA 

Radio Technical Commission for Maritime Services, 

RTCM Recommended 

Standards for Differential NAVSTAR GPS Service

, Version 2.2, Developed by 

Special Committee No. 104, RTCM 1998, 1800 Diagonal Rd, Suite 600, Alexandria, 
VA, 22314-2840 USA, Tel: +1-703-684-4481, Fax: +1-703-836-4429 

US Department of Transportation, United States Coast Guard, 

Broadcast Standard 

for the USCG DGPS Navigation Service

, COMDTINST M16577.1, April, 1993, 

2100 Second St. SW, Washington, D.C., 20593-0001, USA 

Summary of Contents for RX 400p

Page 1: ...ser Guide Midwest Technologies Illinois LLC 2733 E Ash St Springfield IL 62703 Telephone number 217 753 8424 Fax number 217 753 8426 E mail address custserve mid tech com Web Site www mid tech com 98...

Page 2: ...RX 400p 98 05044 2 R1...

Page 3: ...trieval system transmitted or reproduced by any means including but not limited to photocopy photograph digitizing or otherwise without the prior written permission from MID TECH Inc Trademarks MID TE...

Page 4: ...substantially fulfills the performance specifications Purchaser shall be responsible for all required maintenance service in accordance with procedures outlined in MID TECH s product operator manual o...

Page 5: ...duct DISCLAIMER OF UNSTATED WARRANTY The warranty printed above is the only warranty applicable to this purchase MID TECH s warranty cannot be modified by any person or entity including without limita...

Page 6: ...provide only an estimate of achievable accuracy based on Specifications provided by the US Department of Defense US DoD for GPS Positioning GPS OEM Receiver specifications of the appropriate manufact...

Page 7: ...3 Installing the RX 400p Receiver 1 2 1 3 1 Receiver Placement 1 2 1 3 2 Environmental Considerations 1 3 1 3 3 Power Considerations 1 3 1 3 4 Turning the RX 400p On 1 4 1 3 5 Grounding the RX 400p 1...

Page 8: ...eration 2 2 2 2 1 Automatic Tracking 2 2 2 2 2 Receiver Performance 2 2 2 3 OmniSTAR Operation 2 3 2 3 1 Automatic Tracking 2 3 2 3 2 Receiver Performance 2 3 2 4 Beacon Operation 2 4 2 4 1 Tune Modes...

Page 9: ...Tracking Bar Chart 4 11 4 7 1 WAAS Mode Bar Chart 4 12 4 7 2 OmniSTAR Mode Bar Chart 4 12 4 7 3 Beacon Mode Bar Chart 4 13 4 7 4 External RTCM Input Bar Chart 4 13 4 7 5 Autonomous Mode Bar Chart 4 14...

Page 10: ...ing the Source of DGPS Corrections 4 71 4 16 2 Changing the Output Data Messages 4 71 4 16 3 Changing the Baud Rates 4 71 4 16 4 Monitoring the OmniSTAR Subscription Status 4 72 4 16 5 Tuning the Inte...

Page 11: ...ta Message 6 8 6 5 8 VTG Data Message 6 9 6 5 9 ZDA Data Message 6 9 7 Troubleshooting 7 1 8 Appendix A Specifications 8 1 9 Appendix B Interface 9 1 9 1 GPS NMEA Output 9 1 9 2 RTCM Data Output 9 2 9...

Page 12: ...RX 400p 98 05044 x R1 11 Appendix D Beacon Information 11 1 12 Index 12 1...

Page 13: ...n 4 4 Figure 5 6 Beacon Lock Icon 4 5 Figure 5 7 External DGPS Source Icon 4 5 Figure 5 8 Autonomous Mode Icon 4 6 Figure 5 9 GPS Menu 4 7 Figure 5 10 WAAS Menu 4 8 Figure 5 11 OmniSTAR Menu 4 8 Figur...

Page 14: ...s Values 4 59 Table 7 1 NMEA Message Elements 6 2 Table 7 2 GPS NMEA Messages 6 3 Table 7 3 GGA Data Message Defined 6 4 Table 7 4 GLL Data Message Defined 6 5 Table 7 5 GSA Data Message Defined 6 5 T...

Page 15: ...ormance DGPS beacon receiver You may use any of the three internal differential correction services depending which service is available The beacon receiver obtains free DGPS beacon signals where avai...

Page 16: ...eypad driven menu system This Chapter also provides a detailed listing of the default parameters Chapter 5 Configuration Wizard introduces the Configuration Wizard feature and describes how it may be...

Page 17: ...r problems during the installation or operation of this product or cannot find the information you need please contact your dealer or MID TECH Customer Service The contact numbers and e mail address f...

Page 18: ...on before MID TECH will issue an RMA number When providing the RMA number MID TECH will provide you with shipping instructions to assist you in returning the equipment World Wide Web Site MID TECH mai...

Page 19: ...ypad This icon indicates that you should press the down arrow button of the receiver keypad Notes Cautions and Warnings Notes Cautions and Warnings stress important information regarding the installat...

Page 20: ......

Page 21: ...eiver system RX 400p CDA 2B Antenna Power Cable Antenna Cable Data Cable Magnetic Mount Kit User Guide 1 2 Receiver Layout and Connections The RX 400p receiver is easily installed requiring only power...

Page 22: ...optimum receiver performance and ease of operation follow the guidelines presented in the following sections 1 3 1 Receiver Placement The flange mounting bracket supplied with the RX 400p is used to...

Page 23: ...mains between 32 C and 74 C and relative humidity is less than 95 non condensing The receiver may be stored between 40 C and 85 C The CDA 2B Antenna is designed to operate in an open environment in wh...

Page 24: ...amage if the power leads are accidentally reversed A 1 5 A slow blow fuse or 2 5 A standard blow situated in line of the power cable protects the RX 400p receiver from power surges The fuse container...

Page 25: ...400p MAIN and AUX serial ports respectively Table 1 2 MAIN Pin out RS 232C Interface Level Pin Signal Description 2 TXD RX 400p NMEA 0183 and binary output 3 RXD RX 400p NMEA 0183 and binary input 5 S...

Page 26: ...G N D G N D T X R X M A I N ExternalD evi ce Figure 1 3 RX 400p Interface Refer to Appendix B for further interface information when operating in the RX 400p with various correction sources For succe...

Page 27: ...stallation of the antenna will influence the performance of the internal beacon receiver of the RX 400p The following list provides some general guidelines for deciding upon an antenna location Ensure...

Page 28: ...the CDA 2B Use only a 1 14 UNS threaded mount to prevent damage to the antenna enclosure This type of damage is not covered under warranty Caution Install the antenna only hand tight Damage resulting...

Page 29: ...on cable Avoid running cables in areas of excessive heat Keep antenna cables away from corrosive chemicals Do not run the extension cable through door or window jams Keep the antenna cable away from r...

Page 30: ...1 Thread the other end of the antenna extension cable to the TNC socket connector on the rear panel of the RX 400p labeled CDA 2B Caution Be sure to always connect the antenna to the RX 400p before yo...

Page 31: ...to non ferrous surfaces such as fiberglass rooftops For such an installation remove the protective backing from both sides of the adhesive foam pad and affix the foam pad to the non ferrous surface Pl...

Page 32: ......

Page 33: ...a superior station become available as you navigate with your positioning system the beacon sensor will automatically acquire that station This chapter describes the various modes of operation and fea...

Page 34: ...is feature is discussed in Sections 4 7 and 4 9 2 2 2 WAAS Operation The following sections describe the general operation and performance monitoring of the WAAS demodulator within the RX 400p 2 2 1 A...

Page 35: ...BER A graphical presentation of the reception quality is provided in the signal tracking bar chart Refer to Section 4 7 for further information 2 3 OmniSTAR Operation The following sections describe t...

Page 36: ...reception quality is provided in the signal tracking bar chart Refer to Section 4 7 for further information 2 4 Beacon Operation The following sections describe the general operation and performance...

Page 37: ...receiver uses these measured values to compute an average SS and noise floor to sort the frequencies in descending order of SS The beacon receiver s two channels cooperatively examine the frequencies...

Page 38: ...king in an area where you know the frequency though not necessarily the MSK bit rate of the closest beacon The RX 400p also provides the capability to select a beacon by name from the World Beacon Tab...

Page 39: ...d data throughput 7 to 10 Intermittent Low data throughput 7 No Lock No data throughput A graphical presentation of the reception quality is provided in the signal tracking bar chart Refer to Section...

Page 40: ...3 Preset Port Settings Serial Port Baud Rate Data Bits Parity Stop Bit Interface Level MAIN 9600 8 None 1 RS 232C AUX 9600 8 None 1 RS 232C Table 2 4 Preset GPS NMEA Message Output GPS NMEA Messages U...

Page 41: ...OmniSTAR Beacon 3 1 Hardware The SLX receiver inside the RX 400p drives the menu system and provides receiving capability for GPS WAAS and OmniSTAR This platform comprises the main portion of the RX...

Page 42: ...ates its own version of firmware The firmware of the SBX may also be upgraded through the MAIN serial port 3 3 Applications The ARM of the SLX inside the RX 400p supports two simultaneous versions of...

Page 43: ...menu structure and receiver default operating parameters 4 1 Front Display and Keypad The RX 400p features a 2 line by 16 character LCD and 3 button keypad The keypad is composed of an up arrow enter...

Page 44: ...the display for the desired effect to occur Note The top line of the RX 400p display is the Focus Line The field of interest must be in focus for keystrokes to have the desired effect 4 3 Menu Access...

Page 45: ...le between the two parallel vertical lines indicates that the receiver is tracking four satellites or more and is computing an uncorrected position This indicator is a symbol representing a GPS satell...

Page 46: ...the receiver has acquired the DGPS satellite transmission at which point the symbol changes to the L band Lock icon The L band DGPS receiver will lock to the satellite signal although a valid subscri...

Page 47: ...available for the specified frequency and or MSK bit rate No Beacon Lock Beacon Lock Figure 4 6 Beacon Lock Icon Note When using beacon corrections the GPS output of the RX 400p will not be differenti...

Page 48: ...he menu system The root or main menu contains main parent menus a GPS menu a differential menu a Configuration Wizard menu and a System Setup menu The GPS Configuration Wizard and System Setup menus r...

Page 49: ...NotUsed Prev11 Above Ele 11 Diff Corr 10 No Diff Corr 0 Back Top Menu A Res rms 0 3m _a 0 2m _b 0 1m Azimuth 163 1 _Lat 0 2m _Lon 0 2m _Alt 0 3m Back Top Menu A 1 2 3 3 2 1 3 3 3 1 A 4 1 4 4 4 4 4 4...

Page 50: ...Top Menu Diff OmniSTAR F 1551489 1200 AutoTune Subscription Back Top Menu Begin Date Expiry Date SerialNum Disp Countdown Tmr Back Top Menu Subscription OK Region OK Sat Link OK Maritime OK Remote Si...

Page 51: ...to Beacon Receiver Auto Scanning Africa Asia Australia Central America Europe North America South America Back Bermuda Canada U S A Back Alexandria VA Annette Is AK Youngstown NY Back Diff Beacon ENTE...

Page 52: ...e 4 14 Autonomous Menu GPS WAAS Config Wizard System Setup A Display Apps Display Format Baud Rates Software Disp Back Top Menu A In Use WAAS Other OmniSTAR DispUpdate 5 Hz LL Unit DM M Hgt Unit meter...

Page 53: ...ar chart is displayed that provides signal tracking information 1233213331 A41 4444444444 44 The bar chart consists of two main parts provides an indication of the GPS satellite signal quality per rec...

Page 54: ...he reception quality 1233213331 A41 4444444444 44 In the case of WAAS since there are two WAAS satellites available two BER s are provided The first bar is for WAAS PRN 122 and the second for WAAS PRN...

Page 55: ...f the display represents an SS of 35 or greater and an SNR of 24 or greater SS and SNR values of zero will be displayed with minimum bar height and will be only 2 pixels tall Intermediate quality sign...

Page 56: ...tus data is provided for this mode of operation 1233213331 4444444444 4 8 Main Menu The RX 400p will display the following menu when the boot sequence has been completed upon startup This is the top o...

Page 57: ...status related information and configuration parameters The structure of this menu differs from one DGPS mode to another Config Wizard When this menu item is accessed using the button the Configurati...

Page 58: ...menu allows you to scroll through the available menu items Pressing the button with any item in focus will take the menu system to that submenu Pressing the button with the Back or Top Menu item in fo...

Page 59: ...fferential time out and UTC offset Back When accessed using the button this menu item returns the menu system to the previous menu Top Menu When accessed using the button this menu item returns the me...

Page 60: ...vCnd ABBABB DSP_ARM 1B_1F Back Top Menu Pressing the and keys allows you to scroll through the available menu items Pressing the button anywhere in this menu will provide a bar chart of signal trackin...

Page 61: ...measured to the phase center of the antenna is usually referenced to the WGS 84 ellipsoid however some DGPS services result in a position relating to the North American Datum 1983 NAD 83 This datum i...

Page 62: ...his information is parsed from the NMEA GPGGA message The altitude measured to the phase center of the antenna is usually referenced to the WGS 84 ellipsoid however some DGPS services result in a posi...

Page 63: ...puting its position If this value is 4 or greater then the computed position is 3D and includes a valid height solution If less than four then the solution is 2D holding the height parameter constant...

Page 64: ...hexadecimal value of between 0 and 12 B in hexadecimal by pressing the button with this item in focus an intuitive summary of the navigation condition is displayed This is discussed in further detail...

Page 65: ...t of signal tracking information Pressing the button with the Back or Top Menu item in focus will take the menu system to the previous menu or the Main menu respectively Res rms 0 3m A This menu item...

Page 66: ...tal position s error ellipse _Lat 0 2m This menu item indicates length of the latitude component of the horizontal error ellipse to a confidence of one standard deviation _Lon 0 2m This menu item indi...

Page 67: ...ded to the position computation a satellite must have a healthy ephemeris be above the elevation cut off mask angle and have differential corrections This menu indicates how many satellites meet each...

Page 68: ...urement noise and improving the consistency and accuracy of the position solution This feature is automatic in nature Eph Exists 8 This menu item shows how many satellites have a healthy ephemeris orb...

Page 69: ...nored from the position solution See Section 4 9 3 for further details on setting the mask angle Diff Corr 8 This menu item indicates the number of satellites that have valid differential correctors i...

Page 70: ...stem to the main menu 4 9 1 3 DSP ARM Menu The DSP ARM status menu provides information relating to the status of the internal DSP and ARM processors of the internal SLX receiver of the RX 400p This m...

Page 71: ...Viterbi lock signal lock Under normal operation this field should indicate YES DSP DSPLock This is an indication of whether or not the internal L band receiver has a valid internal tracking frequency...

Page 72: ...field should indicate YES ARM DGPS Under normal operation this field should indicate YES ARM Soution This menu item indicates if the GPS solution is deemed correct by the processor Under normal operat...

Page 73: ...SNR 45 CH12_SV09 EL 45 AZ 183 SNR 47 Back Pressing the and keys allows you to scroll through the available GPS receiver channels numbered Ch01 through Ch12 Pressing the button with any item in focus...

Page 74: ...n azimuth of 90 is directly East This information is parsed from the GPGSV NMEA message SNR xx This is the signal to noise ratio carrier to noise ratio of the GPS satellite signal per receiver channel...

Page 75: ...DGPSAge 1800s UTC Offset _7hr Back Top Menu Pressing the and keys allows you to scroll through the available options Pressing the button with any item in focus will take the menu system to that submen...

Page 76: ...age to the value that you desire by adjusting the leftmost number using the and keys followed by pressing This will allow you to adjust the subsequent number and so on UTC Offset _7hr When accessed th...

Page 77: ...Top Menu Pressing the and keys allows you to scroll through the available options Pressing the button with any item in focus will take the menu system to that submenu Pressing the button with the Back...

Page 78: ...y adjusting the rate using the or key then press This message may be set for output at 5 Hz 1 Hz 5 s updates or may be turned off GPGSA Off This menu item allows you to toggle the output of the GPGSA...

Page 79: ...the output of the GPGSV message through the MAIN port of the RX 400p receiver To change the current update rate press the button followed by adjusting the rate using the or key then press This messag...

Page 80: ...This message may be set for output at 5 Hz 1 Hz 5 s updates or may be turned off GPZDA Off This menu item allows you to toggle the output of the ZDA message through the MAIN port of the RX 400p recei...

Page 81: ...from the current DGPS source in use To toggle its output press the button followed by adjusting the rate using the or key then press This data may be turn on or off Back When accessed using the butto...

Page 82: ...WAAS signal status menu Configure Pressing the button with this menu item in focus will take the menu system to the WAAS configuration menu Since the WAAS demodulator is fully automatic in nature thi...

Page 83: ...displays the bit error rate of PRN 122 AOR W Atlantic Ocean Region West WAAS satellite signal The bit error rate as discussed in Section 2 3 2 is an indication of the signal acquisition quality Good...

Page 84: ...and the equator Increasing distance from the equator will result in the satellite appearing lower on the horizon Elev134 5 0 This menu item provides the current elevation angle referenced to the horiz...

Page 85: ...depends on your current latitude and longitude in relation to the satellite s longitude If the satellite is directly South of your current location the satellite will have an azimuth of 180 Back When...

Page 86: ...nal status and configuration parameters of the internal L band receiver inside the RX 400p Please note that the icon in the upper right corner of the display will change to a vertical satellite symbol...

Page 87: ...tem returns the menu system to the previous menu Top Menu When accessed using the button this menu item returns the menu system to the main menu 4 11 1 OmniSTAR Signal Status Menu This menu provides i...

Page 88: ...1551489 1200 This menu item displays the current tracking frequency of the L band DGPS receiver in kHz and the modulation rate in bps BER 001 AA This menu item displays the bit error rate of the OmniS...

Page 89: ...endent upon your latitude and longitude in relation to the satellite s longitude and the equator The further North or South from the equator the lower the satellite will appear on the horizon The furt...

Page 90: ...ink OK Maritime OK Remote Site OK Almanac OK Position OK Time OK Sat Update OK Back Top Menu Pressing the and keys allows you to scroll through the available options Pressing the button with any statu...

Page 91: ...ll display OK otherwise it will display BAD Sat Link This menu item indicates if the OmniSTAR satellite uplink is operating correctly If the link is operating correctly this item will display OK other...

Page 92: ...It may take up to 20 minutes to obtain a valid almanac if the current one is invalid or out of date A valid almanac is present from factory Position This menu item indicates if the internal L band re...

Page 93: ...ff OmniSTAR F 1551489 1200 AutoTune Subscription Back Top Menu Pressing the and keys allows you to scroll through the available options Pressing the button with any item in focus will take the menu sy...

Page 94: ...to the next position Continue unit you have entered the desired frequency You will then be prompted to select the correct modulation rate Simply adjust to the correct modulation rate using the and key...

Page 95: ...STAR for subscribing to their service This menu is detailed in Figure 4 11 Begin Date Expiry Date SerialNum Disp Countdown Tmr Back Top Menu Pressing the and keys allows you to scroll through the avai...

Page 96: ...ceiver Back When accessed using the button this menu item returns the menu system to the previous menu Top Menu When accessed using the button this menu item returns the menu system to the main menu 4...

Page 97: ...menu or the Main menu respectively Signal Status Using the button this menu item allows you to access a menu that provides Signal Status information from the internal beacon DGPS receiver Configure A...

Page 98: ...l tracking bar chart Pressing the button with the Back or Top Menu item in focus will take the menu system to the previous menu or the Main menu respectively F Auto Auto AA This menu displays the curr...

Page 99: ...indicates that the beacon receiver is not successfully demodulating any differential correction data The Q value indicates the number of consecutive 30 bit RTCM words received successfully to a maxim...

Page 100: ...TECH s World Beacon Listing located on our Web site at www csi wireless com This menu item also provides the health of the transmitting beacon as included within all RTCM messages broadcast by the bea...

Page 101: ...to Auto Auto Tune TuneBeaconName Table Version Back Top Menu Pressing the and keys allows you to scroll through the available options Pressing the button with any item in focus will take the menu syst...

Page 102: ...l instruct the internal beacon receiver to enter automatic tracking mode and perform a new Global Search erasing any previous search information TuneBeaconName When accessed using the button this menu...

Page 103: ...e focus line and have pressed the button the beacon receiver will manually tune to that beacon Africa Asia Australia Central America Europe North America South America Back Bermuda Canada U S A Back A...

Page 104: ...ressing the button on this menu item will display the signal tracking bar chart Diff Extrn RTCM Accessing this menu item using the button allows you to choose the source of differential corrections Co...

Page 105: ...keys allows you to scroll through the available options Pressing the button with any status information items without the menu access indicator in focus will display the signal tracking bar chart Pres...

Page 106: ...to the previous menu Top Menu When accessed using the button this menu item returns the menu system to the main menu 4 15 System Setup Menu This menu provides access to RX 400p configuration menus Thi...

Page 107: ...he WAAS and OmniSTAR applications support Beacon DGPS mode external RTCM input or autonomous operation It does not matter if which of OmniSTAR or WAAS is currently in use when choosing to use one of t...

Page 108: ...mware Back When accessed using the button this menu item returns the menu system to the previous menu Top Menu When accessed using the button this menu item returns the menu system to the main menu 4...

Page 109: ...ng this menu using the button allows you to change the update rate of certain information on the display The display update options are 1 Hz or 5 Hz Selecting the 5 Hz mode will update the contents of...

Page 110: ...n this menu item returns the menu system to the main menu 4 15 3 Baud Rates Menu This menu allows you to change the data rates of the external MAIN and AUX serial ports of the RX 400p receiver These p...

Page 111: ...due to its primary functionality Available baud rates are 4800 9600 and 19200 This baud rate must match the rate of an external RTCM source if using the external RTCM input mode Back When accessed us...

Page 112: ...menu item using the button will display the version of firmware for the SLX s DSP SLX ARM Accessing this menu item using the button will display the version of firmware for the ARM processor on the SL...

Page 113: ...r keys and press 4 16 2 Changing the Output Data Messages To change data messages output by the RX 400p receiver Using the or key move the GPS menu located in the root menu into focus and press Press...

Page 114: ...provides the current expiration date of the internal subscription If the subscription date provided is older than your current date the subscription has expired or is not present 4 16 5 Tuning the Int...

Page 115: ...ine and press Scroll with the or keys until the name of the specific beacon is displayed on the focus line and press 4 16 5 3 Set to Automatic Beacon Search Mode To set the receiver to ABS Using the o...

Page 116: ...Search The second method will resume from where the last automatic search algorithm left off 4 17 Firmware Updates Please contact MID TECH Customer Service for the latest firmware update for your RX 4...

Page 117: ...quickest method of configuring your receiver for different applications Additionally when a number of receivers are used for various operations in the field it s an advantage to have the same configu...

Page 118: ...ud rates No NMEA I O 9600 RTCM In 9600 Next Save and Exit Cancel Configure max DGPS age No MaxDGPSAge 2700 Finish Cancel Configuring DGPS Source Save Config in Wizd Table No Not Used 1 Not Used 2 Not...

Page 119: ...rates Set the maximum DGPS age You may cancel the Wizard at any time without making any changes to your current configuration by selecting Cancel You may quit the Wizard early while saving the changes...

Page 120: ...No This will maintain WAAS mode and allow you to proceed on to the subsequent configuration parameters in the Wizard 5 5 Completing the Step by Step Process When completing the Configuration Wizard b...

Page 121: ...e or button to locate the character and press the button To complete the new name of the configuration adjust the current character to and press the button Pressing the button on the last of a full 14...

Page 122: ......

Page 123: ...l Marine Electronics Association publishes updates to the NMEA 0183 message standard The latest NMEA 0183 standard is available through National Marine Electronics Association NMEA Executive Director...

Page 124: ...ever these commands are beyond the scope of this document Intended for advanced users these messages allow the RX 400p to be configured and monitored remotely A separate RX 400p Programming Manual is...

Page 125: ...s GPGST GNSS Pseudorange Error Statistics GPGSV GNSS Satellites in View GPRMC Recommended Minimum Specific GNSS Data GPRRE Range residual message GPVTG Course Over Ground and Ground Speed GPZDA Time a...

Page 126: ...corrected position 9 position computed using almanac qq Number of satellites used in position computation pp p HDOP 0 0 to 9 9 saaaa aa Antenna altitude M Altitude units M meters xxxx xx Geoidal separ...

Page 127: ...nt in this message Null fields are present when data is unavailable due to the number of satellites tracked Table 6 5 breaks down the GSA message into its components This message has the following for...

Page 128: ...anges and 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 sem...

Page 129: ...tion in degrees ee 0 to 90 aaa Azimuth true in degrees aaa 0 to 359 ss SNR dB ss 0 to 99 cc Checksum CR LF Carriage return and line feed 6 5 6 RMC Data Message The RMC message contains recommended min...

Page 130: ...fix in day month year d d Magnetic Variation in degrees v Variation sense v E East v W West cc Checksum CR LF Carriage return and line feed 6 5 7 RRE Data Message The RRE message contains the satelli...

Page 131: ...T always ttt Magnetic course over ground ttt 000 to 359 in degrees output with magnetic model option only c Magnetic course over ground Indicator always c M ggg gg Speed over ground 000 to 999 knots...

Page 132: ...Description hh mmss ss UTC time in hours minutes seconds of the GPS position dd Day dd 0 to 31 mm Month mm 1 to 12 yyyy Year xx Local zone description in hours xx 13 to 13 yy Local zone description in...

Page 133: ...and connectivity of power and data cable connections Verify RX 400p Mode of operation Random data from RX 400p Verify that the RTCM or the Bin95 and Bin96 messages are not being output accidentally ch...

Page 134: ...te of the RTCM In AUX port matches the baud rate of the external source Verify the pin out between the RTCM source and the AUX port transmit from the source must go to receive of AUX and grounds must...

Page 135: ...eter Max Position Update Rate Up to 5 Hz Internal OmniSTAR Engine Operational Specifications Item Specification Frequency 1 525 1 559GHz Frequency Tuning Modes Automatic scanning Internal Beacon Engin...

Page 136: ...ion with CDA 2B 6 5 W Nominal Power Connector Circular 2 pin Locking Plug Mechanical Characteristics Item Specification Enclosure Extruded aluminum with aluminum front and back plates Length 203 mm 8...

Page 137: ...em Specification Enclosure Aluminum Base Polycarbonate Top Mounting Thread 1 14 UNS 2B Diameter 129 mm 5 08 Height 98 mm 3 85 Weight 456 g 1 0 lb Antenna Connector TNC S Antenna Extension Cable RG 58U...

Page 138: ......

Page 139: ...e data output from the RX 400p MAIN port is differentially corrected GPS NMEA data To establish communications between the RX 400p and your data logging or monitoring device in these modes of operatio...

Page 140: ...d to setting the RX 400p baud rate 9 2 RTCM Data Output To output only RTCM correction data from a correction source Choose the desired source of corrections be it WAAS OmniSTAR or beacon Turn off all...

Page 141: ...r Refer to Section 4 15 3 for instructions related to setting the RX 400p baud rate 9 3 External Correction Input In this operating mode an external correction device inputs RTCM correction data throu...

Page 142: ...on Source Figure B 3 External Correction Source Interface Note For successful communications the baud rate of the RX 400p AUX port must be set to match that of the external correction source Additiona...

Page 143: ...s OmniSTAR then the L band sensor is currently being used If this is not displayed you must change to the use of the internal L band receiver See Section 4 16 1 for information on changing the DGPS so...

Page 144: ...tact information is provided in Table C 1 10 2 1 OmniSTAR License Agreement OmniSTAR requires that you fill out the enclosed license agreement before subscription activation Please read the agreement...

Page 145: ...North America 1 888 883 8476 1 713 780 9408 Europe and North Africa 31 70 311 1151 31 71 581 4719 Asia Australia New Zealand and South Africa 61 89 322 5295 61 8 9322 4164 Central America and South Am...

Page 146: ...be transmitted over the air and received by the internal OmniSTAR receiver Your L band DGPS receiver must be locked to the OmniSTAR service during this procedure 10 4 Subscription Confirmation To con...

Page 147: ...sting contains the following information regarding currently operating beacons and potential new sites Station name Frequency MSK rate Location Transmitting ID Reference station ID Field Strength Oper...

Page 148: ...io Technical Commission for Maritime Services RTCM Recommended Standards for Differential NAVSTAR GPS Service Version 2 2 Developed by Special Committee No 104 RTCM 1998 1800 Diagonal Rd Suite 600 Ale...

Page 149: ...Chart Beacon Mode 4 13 External RTCM Input 4 13 OmniSTAR Mode 4 12 WAAS Mode 4 12 Baud Rate 1 7 2 7 4 75 9 2 9 3 9 4 Beacon Receiver Performance 2 6 Beacon Receiver Signal to Noise Ratio SNR 2 6 Beaco...

Page 150: ...ates Menu 4 71 Beacon Configure Menu 4 62 Beacon Lock Icon 4 5 Beacon Signal Status Menu 4 58 Beacon Menu 4 56 Configure Menu 4 33 Difstatus Menu 4 49 Display Apps Menu 4 69 Display Format Menu 4 69 D...

Page 151: ...00P Receiver Display 4 1 Installation 1 2 Keypad 4 1Menu System Navigation 4 2 S Signal Bar Chart Autonomous Mode 4 14 Beacon Mode 4 13 External RTCM Input 4 13 OmniSTAR Mode 4 12 WAAS Mode 4 12 Signa...

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