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JNSGyro-2T Operator’s Manual

www.javad.com

S E T U P A N D M E A S U R I N G

How to Work with JNSGyro-2T

3

set,pos/elm,10
set,raw/corr/ca/code,normal
set,raw/corr/ca/carrier,normal
set,raw/clp/loops,off
set,raw/msint,200
set,pos/msint,200
set,cmr/base/motion,kinematic
set,dev/ser/b/rate,115200
set,dev/ser/b/rtscts,off
dm,dev/ser/b
em,/dev/ser/b,cmr{/10:0.2,/0:0.2,/1:0.2}2)

2. For Rover:

set,rover/mode/,off
set,base/mode/,off
set,pos/elm,10
set,raw/corr/ca/code,normal
set,raw/corr/ca/carrier,normal
set,raw/clp/loops,offset,raw/msint,200
set,pos/msint,200set,pos/mode/cur,pd
set,pos/pd/period,0.2
set,pos/pd/mode,delay
set,pos/pd/aflevel,mediumset,pos/pd/dyn,1
set,dev/ser/b/rate,115200
set,dev/ser/b/rtscts,off
set,dev/ser/b/imode,cmrNMBR
%HD_LEN%set,hd/len/,55.805 #!!! for example
%HD_MODE%
set,hd/mode,on%HD_USELEN%
set,hd/uselen,on
dm
em,,nmea/GGA
em,,nmea/VTG
em,,nmea/HDT:0.2

The commands marked with

%HD_LEN%, %HD_MODE%, %HD_USELEN%

above

mean the following:

The command

%HD_LEN%set,hd/len/,<value>

sets the known distance between antennae to the

<value>

in meters. In the

example above that was 55.805m.

The command

%HD_MODE%set,hd/mode,on

switches the heading mode on

the rover.

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Summary of Contents for JNSGyro-2T

Page 1: ...eptember 2006 All contents in this manual are copyrighted by JNS All rights reserved The information contained herein may not be used accessed copied stored displayed sold modified published or distributed or otherwise reproduced without express written consent from JNS ...

Page 2: ......

Page 3: ...s Labeling Requirements 12 WEEE Directive 13 Manual Conventions 13 Screen Captures 14 Chapter 1 Introduction 15 Overview 15 Principles of Operation 16 GPS Overview 16 Calculating Positions 17 GPS Positioning 17 Conclusion 18 JNSGyro 2T Overview 19 JNSGyro 2T Accessory Kit 19 Cables 19 Software 20 Literature 20 Getting to Know Your JNSGyro 2T 21 Internal Components 21 ...

Page 4: ...pply requirements 26 Turning On Off the JNSGyro 2T 27 Connecting the JNSGyro 2T and a Computer 27 Establishing an RS232 Cable Connection 28 Establishing a PCView Connection 28 JNSGyro 2T Configuration 30 MinPad Configuration 34 Collecting Almanacs 40 Chapter 3 Setup and Measuring 41 How to Work with JNSGyro 2T 41 Real Time Heading 41 Chapter 4 Operation 45 Using MinPad 45 Power button 45 Status LE...

Page 5: ...ear NVRAM 58 Using GRIL to Clear NVRAM 59 Using MinPad to Clear NVRAM 59 Checking Firmware Version 59 Loading New Firmware 61 Chapter 5 Troubleshooting 65 Things to Check First 65 JNSGyro 2T Problems 66 Obtaining Technical Support 68 E mail 68 Website 68 Appendix A 69 Specifications 69 General Details 70 GPS Board Details 72 Connector Specifications 73 Power Connector 73 Serial RS 232C Connector 7...

Page 6: ...6 JNSGyro 2T Operator s Manual www javad com TAB LE O F C O N TE NT S Appendix B 75 Safety Warnings 75 General Warnings 75 Usage Warnings 75 Appendix C 77 Warranty Terms 77 ...

Page 7: ...Advanced Configuration Multipath Reduction 33 Advanced Configuration Loop Management 33 JNSGyro 2T MinPad 34 Connection Parameters RTS CTS Handshaking 35 Configuration Receiver 35 Receiver Configuration MinPad Tab 36 JNSGyro 2T MinPad 45 Connection Parameters RTS CTS Handshaking 51 File File Manager 51 Find Files to Download 51 Download Files 52 Download Files Status Indicators 53 Delete Files 54 ...

Page 8: ...8 JNSGyro 2T Operator s Manual www javad com LIST OF FIGURES Floader Main Screen 62 Set Device Type 62 Program Tab Settings 63 Power Connector 73 RS 232C Connector 74 ...

Page 9: ...ntained in this Manual is the intellectual property of and copyrighted material of JNS All rights are reserved You may not use access copy store display create derivative works of sell modify publish distribute or allow any third party access to any graphics content information or data in this Manual without JNS express written consent and may only use such information for the care and operation o...

Page 10: ...S website the Software in connection with the JNSGyro 2T constitutes acceptance of these Terms and Conditions in this Manual and an agreement to abide by these Terms and Conditions The user is granted a personal non exclusive non transferable license to use such Soft ware under the terms stated herein and in any case only with a single JNSGyro 2T or single computer You may not assign or transfer t...

Page 11: ...and heed the safety warnings in Safety Warnings on page B 75 MISCELLANEOUS The above Terms and Conditions may be amended modified superseded or canceled at any time by JNS The above Terms and Conditions will be governed by and construed in accordance with the laws of the State of California without reference to conflict of laws Regulatory Information The following sections provide information on t...

Page 12: ...eceiving antenna Move the equipment away from the receiver Plug the equipment into an outlet on a circuit different from that to which the receiver is powered Consult the dealer or an experienced radio television technician for additional suggestions WARNING Any changes or modifications to the equipment not expressly approved by the party responsible for compliance could void your authority to ope...

Page 13: ...mation about the take back and recycling of this product please contact your supplier where you purchased the product or con sult Manual Conventions This manual uses the following conventions Example Description File Exit Click the File menu and click Exit Enter Press or click the button or key labeled Enter Tip Supplementary information that can help you to configure maintain or set up a system N...

Page 14: ... warranty or personal injury DANGER UNDER NO CIRCUMSTANCES SHOULD THIS ACTION BE PERFORMED Screen Captures This manual includes sample screen captures Your actual screen can look slightly different from the sample screen due to the receiver you have connected operating system used and settings you have specified This is normal and not a cause for concern ...

Page 15: ...y dual frequency GPS GLONASS receivers packaged in one small box that is connected to two antennas whose base line is fixed at the time of installation Figure 1 1 JNSGyro 2T The JNSGyro 2T can receive and process L1 and L2 signal The GNSS component of JNSGyro 2T means you can access both the GPS Global Positioning System satellites of the United States and the GLONASS Global Navigation Satellite S...

Page 16: ...h a standard 15 degree angle up to 10 or 12 GPS satellites are visible from any point on earth When a board can also track GLONASS satellites between 10 and 16 satellites are visible For information on the status of the GPS constellation visit http tycho usno navy mil or http www navcen uscg gov For GLONASS visit http www glonass center ru frame html Despite numerous technical differences in the i...

Page 17: ...ll provide fault tolerance in mixed scenarios Usually the number of GPS and GLONASS satellites in view does not exceed twenty 20 Once locked on to a satellite the receiver collects ephemerides and alma nacs saving this information to its NVRAM Non Volatile RAM GPS and GLONASS satellites broadcast ephemeris data cyclically with a period of 30 seconds GPS satellites broadcast almanac data cyclically...

Page 18: ...es them from the position calculation Wide Area Augmentation System WAAS and European Geostationary Navigation Overlay Service EGNOS creates and transmits DGPS correction messages Five or more visible satellites for only GPS or only GLONASS six or more satellites for mixed scenarios Current ephemerides and almanacs Several algorithms to detect and correct faulty information Conclusion GNSS users c...

Page 19: ... boards lock on to four or more satellites it is possible to solve the so called absolute positioning problem and compute the JNSGyro 2T boards coordinates in WGS 84 or another datum and time All this information can be downloaded through the appropriate port onto a computer and processed when needed JNSGyro 2T can also operate in the RTK or DGPS modes receiving differential corrections from an ex...

Page 20: ...ite http www javad com The following software will also be useful for operating caring for and using your JNSGyro 2T system and may be required for some applications FLoader JNS s firmware loader available on the JNS website Literature JNSGyro 2T literature including manuals and other product information are available on the JNS website http www javad com JNSGyro 2T Operator s Manual Functional sp...

Page 21: ...o GPS GLONASS Boards JNSGyro 2T combines two GGD 112T dual frequency GPS GLONASS receivers Table below lists the options available for these card models Euro Card Model Available Options GGD 112T GD GPS L1 L2 GG GPS GLONASS L1 GGD GPS GLONASS L1 L2 External Components The JNSGyro 2T includes panel for antennas attachment four 3 color LED s 2 pairs for each board two function keys MinPad a power po...

Page 22: ... 1 3 shows the back panel components 1A 1C 2A 2C PWR Ant1 Ant2 1PPS Event Figure 1 3 Back Panel Serial Ports Four serial RS232 ports Port 1A serial port of the first board and port 2A serial port of the second board used for communication between the board and a controller or any other external device Ports 2A 2C used for communication between the boards and a controller or any other external devi...

Page 23: ...ions needed Typically all JNSGyro 2T boards ship with a temporary OAF that allows the system to be used for a predetermined period When the JNSGyro 2T is purchased new OAFs activate desired purchased options permanently Board options remain intact when clearing the NVRAM or resetting the system Because the JNSGyro 2T system consists of more than one receiver boards every board should have its own ...

Page 24: ...24 JNSGyro 2T Operator s Manual www javad com Notes ...

Page 25: ... you can use your JNSGyro 2T you need to 1 Power your JNSGyro 2T See Powering the JNSGyro 2T on page 26 2 Configure the various parts of your JNSGyro 2T See Connecting the JNSGyro 2T and a Computer on page 27 JNSGyro 2T Configuration on page 30 MinPad Configuration on page 34 and 3 Collect an almanac See Collecting Almanacs on page 40 ...

Page 26: ...ly make sure that the supply meets local and national safety ordinances and matches the equip ment s voltage and current requirements Never attempt any maintenance or cleaning of the sup ply while plugged in Always remove supply from AC power before attempting service or cleaning Warning If the voltage supplied is below the minimum specifi cation the receiver will suspend operation If the volt age...

Page 27: ...f This delay about 1 second prevents the unit from being turned off by a mistake Connecting the JNSGyro 2T and a Computer Notice Because the JNSGyro 2T system consists of more than one receiver boards you should connect every board with a com puter one by one and repeat all described below procedures with two boards To configure or maintain the JNSGyro 2T you need to connect two boards one by one ...

Page 28: ...s described in Establishing a PCView Connection Establishing a PCView Connection PCView is a software used to manage the various functions of your JNS Gyro 2T s two boards The full range of PCView configuration and function is outside the scope of this manual For more information on any of the procedures in this section or on PCView refer to the PCView Software Manual available on the JNS website ...

Page 29: ... down list Set the communication rate between the board and the computer usually 115200 from the Baud rate drop down list Enable RTS CTS handshaking Figure 2 3 RS 232 Connection Parameters Once a PCView connection with the board has been established the current communications settings such as port name baud rate if applicable and flow control if applicable display in the lower left corner of the m...

Page 30: ... PCView Software Manual to manage all possible JNS Gyro 2T boards configurations The following configuration is recommended for the most common applica tions However you can select configuration parameters as needed for your par ticular jobsite Notice Click Apply after making any configuration change otherwise the board will not accept the change 1 Connect your JNSGyro 2T s board and computer See ...

Page 31: ...N JNSGyro 2T Configuration Figure 2 6 Receiver Configuration 1 Click the MinPad tab configure the following settings and click Apply Figure 2 7 on page 32 Set the Recording interval in seconds Set the Elevation mask for Log file in degrees Enter the File name prefix ...

Page 32: ... has obstructions buildings trees etc and or the antenna location is near reflective objects configure the board to reduce errors from these sources 1 Click the Advanced tab on the Receiver Configuration screen and then click the Multipath Reduction subtab Enable the following boxes and click Apply Figure 2 8 on page 33 Code multipath reduction Carrier multipath reduction ...

Page 33: ...igure 2 8 Advanced Configuration Multipath Reduction 2 Click the Loop Management tab enable the following boxes and click Apply Figure 2 9 Enable Common Tracking Static Mode used for static receivers only disable if using the receiver as a Rover Figure 2 9 Advanced Configuration Loop Management ...

Page 34: ...erface MinPad consists of three keys Power FN and Reset and up to eight LEDs four STAT and four REC four pairs for each board that control and display the unit s operation Figure 2 10 Reset FN function recording button STAT status LEDs REC recording LEDs Power button Figure 2 10 JNSGyro 2T MinPad The MinPad performs numerous functions Turn the JNSGyro 2T on off Turn data recording on or off FN key...

Page 35: ...3 On the Connection Parameters dialog box enable RTS CTS handshaking Figure 2 11 and then click Connect Figure 2 11 Connection Parameters RTS CTS Handshaking 4 Click Configuration Receiver Figure 2 12 Figure 2 12 Configuration Receiver 5 Click the MinPad tab set the following parameters and click Apply Figure 2 13 on page 36 See the following pages for descriptions of these parameters Recording in...

Page 36: ...setting is used not only when logging a single log file but also when logging board data in AFRM mode Values are 1 86400 seconds The default value is one second Elevation Mask for Log File parameter This parameter specifies the minimum elevation angle for the satellites whose data will be put in the board files logged when pressing FN The default value is five degrees File Name Prefix parameter Th...

Page 37: ...files During a file rotation event the board closes the current file and opens a new one according to a user defined schedule The Period and Phase parameters specify this schedule File rotation launches the moment the board time module Period is equal to Phase More precisely a new log file opens immediately before the scheduled epoch causing data tagged with this epoch to be recorded to the new lo...

Page 38: ...Out feature The default value is off disabled FN Key Mode parameter You use these two radio buttons to program how the JNSGyro 2T will react when pressing the FN key LED blink mode switch pressing FN will toggle between the MinPad s normal extended information modes and start stop data recording of Static measuring FN pressed less than 1 second changes the information mode Normal or Extended Infor...

Page 39: ... open when power is restored and data will log to this file A new log file will open when power is restored and data will log to this file 3 File specified board data logging not started No file will open with this name Data logging will not start when power is restored No file will open with this name Data logging will not start when power is restored A log file with this name will open and data ...

Page 40: ...eeded in a location with a clear view of the sky 2 Turn on the JNSGyro 2T Wait for about 15 minutes while the unit collects almanac data from satellites Notice If 15 minutes have passed and the JNSGyro 2T does not lock on to satellites you may need to clear the NVRAM See Clearing the NVRAM on page 58 for this procedure You will need to collect or update the almanac If the JNSGyro 2T has been off f...

Page 41: ...The heading mode is a part of the standard firmware and is activated by commands One needs two receivers interconnected through the serial ports One of them is a moving base MB and another is a rover R JNSGyro 2T combines both boards connected internally in one unit Say both receivers are interconnected through the ports B Then the scripts for receivers to operate at 5 Hz are 1 For Moving base set...

Page 42: ...r ca carrier normal set raw clp loops offset raw msint 200 set pos msint 200set pos mode cur pd set pos pd period 0 2 set pos pd mode delay set pos pd aflevel mediumset pos pd dyn 1 set dev ser b rate 115200 set dev ser b rtscts off set dev ser b imode cmrNMBR HD_LEN set hd len 55 805 for example HD_MODE set hd mode on HD_USELEN set hd uselen on dm em nmea GGA em nmea VTG em nmea HDT 0 2 The comma...

Page 43: ...use the three antennas installation running the Mov ing base differentially corrected from the Base B BASE port c port c MOVING_BASE port b port b ROVER If we suppose that the Base sends CMR correction to the Moving base the configuration scripts are 1 For base set base mode off set rover mode off set raw corr ca code normal set raw corr ca carrier normal set raw clp loops off set pos elm 5 set po...

Page 44: ...ev ser c imode cmr set pos pd dyn 1 set pos pd aflevel medium set pos pd mode delay set pos mode cur pd set pos pd period 0 2 set cmr base motion kinematic set dev ser b rate 115200 set dev ser b rtscts off dm dev ser b em dev ser b cmr 10 0 2 0 0 2 1 0 2 3 For Rover the same as on page 41 The heading angle is available from the rover by the command em nmea HDT 0 2 within nmea string There is the ...

Page 45: ...ng button STAT status LEDs REC recording LEDs Power button Figure 4 1 JNSGyro 2T MinPad Power button Pressing the power button turns the JNSGyro 2T on and off Status LEDs When the JNSGyro 2T is on and no satellites are tracked the STAT LED of each board will blink red When satellites are tracked the STAT LED will produce one blink for each tracked satellite green for GPS orange for GLONASS ...

Page 46: ...ware problem or contains an improper OAF see Option Authorization File OAF on page 23 for more information on OAFs The REC LED blinks green or orange each time data is written to the internal board s memory You set the data recording time interval using PCView See Recording Interval parameter on page 53 for information on setting this function Each time you turn off or on data recording either a n...

Page 47: ... light No data recording Orange blink Internal file system test in progress Red No free memory hardware problem with data recording Pressed for 1 second If FN key mode is LED blink mode switch Orange Release to charge information mode If FN key mode is Occupation mode switch Orange No function Pressed for 1 5 seconds If FN key mode is LED blink mode switch Green Release to start data recording pos...

Page 48: ...ng occupation mode Orange Data recording started Static post processing occupation mode Pressed for 1 second If FN key mode is LED blink mode switch Orange Release to change information mode If FN key mode is Occupation mode switch Orange Release to toggle between Static and Kinematic post processing modes Pressed for 1 5 No light Release to stop data recording Pressed for 5 8 seconds Red Release ...

Page 49: ...nk that shows the overall status of tests performed in EIM The STAT LED color for delimiter is calculated from the colors of other STAT LED blinks Orange at least one blink is orange Red no orange blink and at least one red blink Green all other cases Sufficient data for position computation GPS S N ratios are good Table 4 2 GLONASS S N ratios are good Table 4 2 Oscillator s frequency offset is le...

Page 50: ... the FN key Downloading Files to a Computer When your measuring finishes you can download your measuring files to a computer for storage post processing or backup Also the JNSGyro 2T boards memory holds a finite amount of files and information so downloading the files to a computer ensures that no files are lost You should download files as soon as possible after collecting data at the job site PC...

Page 51: ...e Connection Parameters dialog box enable RTS CTS handshaking Figure 4 2 Figure 4 2 Connection Parameters RTS CTS Handshaking 4 Click File File Manager Figure 4 3 Figure 4 3 File File Manager 5 Click the Download path tab on the File Manager dialog box Figure 4 4 Figure 4 4 Find Files to Download ...

Page 52: ...w folder 7 Select the Download files tab 8 Select the file s you want to download Figure 4 5 To select multiple files hold down the shift key and click on nonsequential files to select several files at once or hold down the Ctrl key and click on individual files Figure 4 5 Download Files 9 Click the Download button During the download status indicators display next to each file Figure 4 6 Blue ind...

Page 53: ...sconnect then File Exit to quit PCView Deleting Files Use the following steps to delete files from your JNSGyro 2T s boards 1 Connect your JNSGyro 2T and computer See Connecting the JNSGyro 2T and a Computer on page 27 for this procedure 2 Start PCView 3 On the Connection Parameters dialog box enable RTS CTS handshaking See Figure 4 2 on page 51 4 Click File File Manager See Figure 4 3 on page 51 ...

Page 54: ...ager screen 9 Continue with other operations Or click File Disconnect then File Exit to quit PCView Managing JNSGyro 2T Memory When using the JNSGyro 2T in static or dynamic applications you may need to know the amount of memory the boards log file occupies The specific memory size depends on the type of data being recorded Use the formulas below to compute the approximate size of the boards log f...

Page 55: ... procedure 2 Start PCView 3 Click Tools Receiver Options Figure 4 8 Figure 4 8 Tools Receiver Options The Options Manager screen displays Figure 4 9 on page 56 and contains the following information Option name a name description of the option Current the current status of the option Purchased if the option is purchased or not Leased if the option is leased or not Expiration date the date the opti...

Page 56: ...com OPERATION Checking an OAF 4 yes or no the option is either enabled or disabled Figure 4 9 Option Manager 4 When finished click Exit on the Option Manager screen and then click File Disconnect to prevent conflicts with serial port management ...

Page 57: ...m of the Option Manager screen see Figure 4 9 on page 56 3 Navigate to the location of the new Option Authorization File OAFs have jpo extension and are unique to each board Figure 4 10 Figure 4 10 Load OAF 4 Select the appropriate file and click Open Figure 4 10 The new board option loads onto the board and the Option Manager table updates 5 When finished click Exit on the Option Manager screen a...

Page 58: ...boot in your computer After clearing the NVRAM your board will require some time to collect new ephemerides and almanacs around 15 minutes Clearing the NVRAM of your board will reset your board settings to factory default values In addition the NVRAM keeps information about the board file system You can clear the NVRAM using PCView Using PCView to Clear NVRAM Notice Because the JNSGyro 2T system c...

Page 59: ...vm a Using MinPad to Clear NVRAM Notice Using MinPad NVRAMs of all boards are cleared at once 1 Press the power key to turn off the JNSGyro 2T 2 Press and hold the FN key 3 Press and hold the power key for about one second Release the power key while continuing to hold the FN key 4 Wait until the STAT and REC LEDs are green 5 Wait until the STAT and REC LEDs blink orange Release the FN key while t...

Page 60: ... lists important information about the different hardware accessories and software properties This list includes the following which you will need if you contact JNS or your dealer Receiver model Receiver IDs Firmware version 4 When finished click OK and then click File Disconnect to prevent conflicts with serial port management 5 Repeat these steps with other board ...

Page 61: ...eleased as a compressed file that you download and decompress This file contains the following three files ramimage ldr the Receiver board RAM file main ldp the Receiver board Flash file Notice You must load two files when loading new firmware These files must come from the same firmware package Use FLoader a Windows based utility to load firmware onto the boards You can download FLoader to your c...

Page 62: ...ure 4 14 Floader Main Screen 5 On the Connection tab select the COM port on your computer that connects with your board and select its speed usually 115200 6 Select the Device tab and set the Device Type as Receiver Figure 4 15 Figure 4 15 Set Device Type 7 Click Get from Device for device information Figure 4 15 ...

Page 63: ...ceiver board s RAM file and Flash file Figure 4 16 10 Click Load and wait until 100 of the files load into your board Notice If you selected an incorrect RAM or Flash file an error message displays at the bottom of the dialog box Reselect the correct file 11 Click File Exit 12 Clear the board s NVRAM see Clearing the NVRAM on page 58 and update the almanac after loading new firmware 13 Repeat all ...

Page 64: ...64 JNSGyro 2T Operator s Manual www javad com Notes ...

Page 65: ...efer to the following list of basic suggestions that may help Go through all external receiver connections carefully and make sure they are not wrong or loose Double check the cables Cables became defective more often than the devices do Check the sections below for available solutions Reset the unit s boards using PCView Tools Reset receiver Restore factory default settings of the boards using PC...

Page 66: ...rd and a computer using a free port see Connecting the JNSGyro 2T and a Computer on page 27 and start PCView Click Configuration Receiver Ports Change the Input for the serial port used for connection to Command Problem The JNSGyro 2T boards do not lock on to satellites for a long period of time Causes Solutions The boards store an old almanac Update the almanac The antenna as cable s is are damag...

Page 67: ... connection A discrepancy exists between the differential standards used at the Base and Rover receivers Ensure the Base and Rover receivers use the same corrections input output format Connect your receiver and a computer and start PCView See Connecting the JNSGyro 2T and a Computer on page 27 Click Configuration Receiver Ports and set the same input output format for both receivers The specified...

Page 68: ...r Questions Related To Use Hardware receivers antennas firmware hardware javad com OAF options javad com PCView pcview javad com FieldView fieldview javad com If in doubt which e mail address to use for your particular question please send it to support javad com Website The Javad Navigation Systems website provides current information about JNS s line of products The support area of the website p...

Page 69: ... JNSGyro 2T can also be operated in RTK or DGPS mode from an external base station to provide highly accurate position and velocity Notice Performance specifications assume a minimum of 6 GPS satel lites above 15 degrees in elevation and adherence to the proce dures recommended in this manual Notice In areas of high multipath during periods of large PDOP and dur ing periods of increased ionospheri...

Page 70: ... start stop data logging switch information mode Reset receiver hardware reset LEDs Four LEDs Two STAT satellite and receiver status Two REC record and data status Environment Operating temperature 40 C to 55 C Storage temperature 40 C to 75 C Humidity 95 non condensing Power External power 1 port Input voltage 9 to 30 VDC 5 VDC on antenna output Power consumption 5 4 Watt I O Communication Ports ...

Page 71: ...d DLL parameters Data Output Real time data formats RTCM 104 version 2 1 2 2 2 3 and 3 0 CMR CMR ASCII Output NMEA 0183 version 2 1 2 2 2 3 and 3 0 Other Outputs JNS format Technical Specifications Multipath Rejection Strobed Sequence Sampler In band interference rejection Up to 60 dB RTK Solutions up to 20 times per second Other Common quartz clock for all boards Performance Specifications Real t...

Page 72: ...ividual PLL Bandwidth of common PLL Smoothing interval Code and Carrier WAAS EGNOS WAAS optional EGNOS optional Data Output Real time data formats RTCM 104 version 2 1 2 2 2 3 and 3 0 CMR CMR ASCII Output NMEA 0183 version 2 1 2 2 2 3 and 3 0 Memory Internal Memory Compact flash card not removable Capacity Standard 0 MB Up to 256 MB of on board data storage Raw Data Recording Up to 20 times per se...

Page 73: ...s sections list JNSGyro 2T connector details Power Connector The power connector Figure A 1 is a sealed receptacle 5 pin ODU p n G80F1C T05QF00 0000 Figure A 1 Power Connector Table A 3 gives power connector specifications Table A 3 Power Connector Specifications Number Signal Name Dir Details 1 Power_INP P 9 to 30 volts DC input 2 Power_INP P 9 to 30 volts DC input 3 Power_GND P Ground power retu...

Page 74: ...wer Output supplied voltage 2 GND Signal ground 3 CTS I Clear to send 4 RTS O Request to send 5 RXD I Receive data 6 TXD O Transmit data 7 Not used GPS External Antenna RF Connector Two external antenna connectors type Table A 5 is a TNC RF connector with an Applied Engineering Product part number 6001 7051 003 Table A 5 External Antenna Connectors Specifications Type Signal Name Dir Details TNC A...

Page 75: ...er thoroughly understanding this manual After disabling safety systems or altering the product With unauthorized accessories Without proper safeguards at the measuring site Contrary to applicable laws rules and regulations DANGER THE JNSGYRO 2TSHOULD NEVER BE USED IN DANGEROUS ENVIRONMENTS USE IN RAIN OR SNOW FOR A LIMITED PERIOD IS PERMITTED Usage Warnings CAUTION If this product has been dropped...

Page 76: ...roneous measurements may occur CAUTION The owner should periodically test this product to ensure it provides accurate measurements CAUTION Inform JNS immediately if this product does not func tion properly CAUTION Only allow authorized JNS warranty service centers to service or repair this product ...

Page 77: ... service to repair damage to the product resulting from an accident disaster misuses abuse or modification of the product Warranty service may be obtained from an authorized JNS warranty service dealer If this product is delivered by mail purchaser agrees to insure the prod uct or assume the risk of loss or damage in transit to prepay shipping charges to the warranty service location and to use th...

Page 78: ...hnology Drive San Jose CA 95110 USA Phone 1 408 573 8100 Fax 1 408 573 9100 www javad com JNSGyro 2T Operator s Manual Rev 1 1 09 06 2006 Javad Navigation Systems All rights reserved No unauthorized duplication ...

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