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Javad LGG100-GG Operator's Manual

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LGG100-GG
Operator's Manual
© Copyright Javad Navigation Systems, Inc.
February, 2007
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.

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  • Page 1 LGG100-GG Operator’s Manual © Copyright Javad Navigation Systems, Inc. February, 2007 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...
  • Page 2 www.javad.com...

  • Page 3: Table Of Contents

    Receiver Overview ........19 LGG100-GG Accessory Kit ......20 Cables .
  • Page 4 Chapter 3. Setup and Measuring ....41 LGG100-GG Setup ........42 DGPS Measuring with the LGG100-GG .
  • Page 5 GNSS Board Details .......83 Connector Specifications ......85 www.javad.com LGG100-GG Operator’s Manual 5...
  • Page 6 Warranty Terms ........91 6 LGG100-GG Operator’s Manual...
  • Page 7 IST OF IGURES LGG100-GG Receiver ..........16 LGG100-GG Top Panel ..........22 LGG100-GG Front Panel ..........22 LGG100-GG Back Panel ..........23 PCView Main Window ..........28 RS-232 Connection Parameters ........28 PCView Connection Established ........29 Configuration->Receiver ..........30 Receiver Configuration ..........
  • Page 8 About PCView ............. 68 Floader Main Screen ............ 69 Set Device Type ............70 Program Tab Settings ........... 70 Connection Parameters – RTS/CTS Handshaking ..77 File->Manual Mode ............78 Power Connector ............85 RS-232C Connector ............. 86 8 LGG100-GG Operator’s Manual www.javad.com...

  • Page 9: Preface

    Manual (the “Manual”) have been prepared by Javad Navigation Systems, Inc. (“JNS”) for owners of JNS products. It is designed to assist owners with the use of the LGG100-GG and its use is subject to these terms and conditions (the “Terms and Conditions”).
  • Page 10 Terms or Conditions. You agree to destroy the Software and manual upon termination of your use of the LGG100-GG. All ownership, copyright and other intellectual property rights in and to the Software belong to JNS. If these license terms are not acceptable, return any unused software and manual.

  • Page 11: Regulatory Information

    Conditions (including the Software license, warranty and limitation of lia- bility). SAFETY – Improper use of the LGG100-GG can lead to injury to persons or property and/or malfunction of the product. The LGG100-GG should only be repaired by authorized JNS warranty service centers. Users should review and heed the safety warnings in “Safety Warnings”...

  • Page 12: Canadian Emissions Labeling Requirements

    Canadian Emissions Labeling Requirements This Class B digital apparatus meets all requirements of the Canadian Interfer- ence-Causing Equipment Regulations. Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le matériel brouilleur du Canada. 12 LGG100-GG Operator’s Manual www.javad.com...

  • Page 13: Weee Directive

    Tip: Supplementary information that can help you to configure, maintain, or set up a system. Notice: Supplementary information that can have an affect on system operation, system performance, measurements, or personal safety. www.javad.com LGG100-GG Operator’s Manual 13...

  • Page 14: 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 con- nected, operating system used and settings you have specified. This is normal and not a cause for concern. 14 LGG100-GG Operator’s Manual www.javad.com...

  • Page 15: Chapter 1. Introduction

    Receiver Overview ........19 LGG100-GG Accessory Kit ......20 Getting to Know Your LGG100-GG .

  • Page 16: Overview

    Overview Javad Navigation System's LGG100-GG is a single frequency, GNSS receiver built to be advanced and compact receiver for LGG100-GG for following mar- kets: navigation, aviation, timing, oil platform positioning, land, air and sea transportation, personal location and tracking, highway navigation and guidance etc.

  • Page 17: Principles Of Operation

    Once the receiver locks on to a satellite, it starts recording measurements and receiving various digital information (ephemeris, almanac, and so on) the satel- lites broadcast. To calculate a position, receivers use the following formula: Velocity x Time = Distance www.javad.com LGG100-GG Operator’s Manual 17...

  • Page 18: Gnss Positioning

    • Integrity – Fault tolerance allows a position to have greater integrity, increasing accuracy. Several factors combine to provide fault tolerance, including: –Receiver Autonomous Integrity Monitoring (RAIM) detects faulty GPS and GLONASS satellites and removes them from the position calculation. 18 LGG100-GG Operator’s Manual www.javad.com...

  • Page 19: Conclusion

    Earth. This overview simply outlines the basics of GPS and GLONASS positioning. For more detailed information, visit the JNS website http://www.javad.com. Receiver Overview When power is turned on and the receiver self-test completes, the receiver’s 50 channels initialize and begin tracking visible GNSS satellites.

  • Page 20: Lgg100-Gg Accessory Kit

    Software and software manuals are also available on the JNS website (http:// www.javad.com). The following software will also be useful for operating, caring for and using your LGG100-GG receiver, and may be required for some applications. 20 LGG100-GG Operator’s Manual www.javad.com...

  • Page 21: Literature

    • MinPad User’s Manual Getting to Know Your LGG100-GG The LGG100-GG is 160 mm wide, 35 mm deep, and 85 mm high, weighs ~ 0.316 kg. The casing allocates space for JNS100-GG board. It is based on our JNScore chip, includes an on board power supply that accepts any unregulated voltage from +9 to +35V DC.

  • Page 22: External Components

    Getting to Know Your LGG100-GG External Components The LGG100-GG receiver has three main panels used for data collection and user interface, and to provide connections for external devices. The LGG100-GG cas- ing includes a user interface, a power port, and ports for configuration.

  • Page 23: Back Panel

    OAF activates desired, purchased options permanently. Receiver options remain intact when clearing the NVRAM or resetting the receiver. The OAF enables the following kinds of functions for LGG100-GG. For a com- plete list of available options and details, visit the JNS website (http:// www.javad.com) or consult your dealer.
  • Page 24 Notes: 24 LGG100-GG Operator’s Manual www.javad.com...

  • Page 25: Chapter 2. Configuration

    This chapter discusses how to configure the LGG100-GG. Powering the LGG100-GG ......26 Connecting the LGG100-GG and a Computer .

  • Page 26: Powering The Lgg100-Gg

    Power supply requirements A single external power supply with 5 pin ODU connector or SAE connector is necessary to operate the LGG100-GG. If external power supply has only SAE connector, Receiver-to-SAE power cable shall be used. The external power sup-...

  • Page 27: Connecting The Lgg100-Gg And A Computer

    Connecting the LGG100-GG and a Computer To configure or maintain the LGG100-GG, you need to connect receiver and a computer using an RS232 cable. Once you have established a connection between the LGG100-GG and the com- puter, you will be able to: •...
  • Page 28 C O N F I G U R A T I O N Connecting the LGG100-GG and a Computer The PCView main screen displays (Figure 2-1): Figure 2-1. PCView Main Window Note that the lower-left hand corner shows the receiver status as “Discon- nected”.

  • Page 29: Lgg100-Gg Configuration

    LGG100-GG Configuration PCView is JNS’s receiver configuration software, used to configure the LGG100-GG. Any settings made using PCView will be saved in the receiver’s memory, and will be reflected when you use the MinPad. The full range of PCView configuration and function is outside the scope of this manual.

  • Page 30: Configuration->Receiver

    Click the MinPad tab, configure the following settings, and click Apply (Figure 2-6 on page 31). • Set the Recording interval in seconds. • Set the Elevation mask for Log file in degrees. • Enter the File name prefix. 30 LGG100-GG Operator’s Manual www.javad.com...

  • Page 31: Receiver Configuration - Minpad Tab

    Click the Advanced tab on the Receiver Configuration screen and then click the Multipath Reduction subtab. Enable the following boxes, and click Apply (Figure 2-7 on page 32): • Code multipath reduction • Carrier multipath reduction www.javad.com LGG100-GG Operator’s Manual 31...
  • Page 32 Disconnecting the LGG100-GG from the computer before exiting will eliminate any possible conflict in the management of your serial ports. Once the LGG100-GG is configured, the configuration will remain until you change it either using PCView or clearing the receiver’s NVRAM.

  • Page 33: Minpad Configuration

    C O N F I G U R A T I O N MinPad Configuration MinPad Configuration The LGG100-GG’s simple user interface (MinPad) consists of two keys (Power, FN) and two LEDs (STAT and REC) that control and display the receiver’s operation (Figure 2-8)

  • Page 34: Connection Parameters - Rts/Cts Handshaking

    • File name prefix on page 35, • Always append to the file on page 36, • Files Creation mode on page 36, • Automatic File Rotation Mode (AFRM) on page 36, • FN key mode on page 37. 34 LGG100-GG Operator’s Manual www.javad.com...

  • Page 35: Receiver Configuration - Minpad Tab

    Log file names have the following structure: <prefix><month><day><sequential alphabet letter> The file name depends on both the file creation time (month and day) and addi- tional letter suffixes to avoid confusion between files created on the same day. www.javad.com LGG100-GG Operator’s Manual 35...
  • Page 36 AFRM counter will not decrement. Values are 0 to [2 -1]. The default value is 0 (zero). Zero means that an unlim- ited number of log files will be created. 36 LGG100-GG Operator’s Manual www.javad.com...
  • Page 37 The default value is off (disabled). FN Key Mode parameter You use these two radio buttons to program how the LGG100-GG 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.
  • Page 38 (to a newly created or an existing file) in the following three cases: • After pressing the Power key to turn on the unit. • After resetting the unit (with PCView or the Reset key). 38 LGG100-GG Operator’s Manual www.javad.com...

  • Page 39: Collecting Almanacs

    Non-Volatile Random Access Memory (NVRAM). Set up the LGG100-GG (connect the external antennas if needed) in a location with a clear view of the sky. Turn on the LGG100-GG. Wait for about 15 minutes while the unit collects almanac data from satellites. www.javad.com...
  • Page 40 Notes: 40 LGG100-GG Operator’s Manual www.javad.com...

  • Page 41: Chapter 3. Setup And Measuring

    In this chapter: LGG100-GG Setup ........42 DGPS Measuring with the LGG100-GG .

  • Page 42: Lgg100-Gg Setup

    Step 2 Antenna Setup The LGG100-GG is used with an external antenna. Follow the steps below to connect an external antenna to the LGG100-GG and measure its offset. 1. Attach the antenna to a tripod or bipod and center it over the point at which data will be collected.

  • Page 43: Marant+ Antenna Offset Measurements

    3. Record the antenna height, point name, and start time in the field notes. 4. Attach the flexible RF cable from the external antenna to the antenna connector on the bottom panel of the LGG100-GG. www.javad.com LGG100-GG Operator’s Manual 43...
  • Page 44 Configuration” on page 33 or refer to the PCView Software Manual for more information. 3. When finished, press and hold the FN key until the REC LED light goes out. 4. Press and hold the power key until all lights go out, then release. 44 LGG100-GG Operator’s Manual www.javad.com...

  • Page 45: Dgps Measuring With The Lgg100-Gg

    Setting up a DGPS Base Station To configure a DGPS Base station using PCView, take the following steps: 1. Set up the Base station receiver's antenna as described in “LGG100-GG Setup” on page 42. 2. Connect an external modem to port B for the LGG100-GG receiver.

  • Page 46: Configuration->Receiver

    S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG 7. Click on Configuration->Receiver (Figure 3-3). Figure 3-3. Configuration->Receiver 8. Click the Set all parameters to defaults button located at the bottom of the Receiver Configuration screen.
  • Page 47 S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG 11. Click Tools->Reset receiver and wait until the specified interval (span) completes. Examine the Base coordinates on the Base tab; they should correspond to the coordinates obtained from the average.
  • Page 48 S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG 13. Select the Ports tab and set the following port parameters (Figure 3-6). Figure 3-6. Base Configuration – Ports •...

  • Page 49: Setting Up A Dgps Rover

    S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG • Period (sec) – enter interval at which receiver will generate differential corrections. • Baud rate drop-down list – select a baud rate (i.e., the rate at which dif- ferential messages will be transmitted from receiver to modem).
  • Page 50 S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG 6. Select the Rover tab and set the desired Positioning Mode (Figure 3- Figure 3-8. Rover Tab Configuration 7.
  • Page 51 S E T U P A N D M E A S U R I N G DGPS Measuring with the LGG100-GG Figure 3-9. Rover Configuration – Ports 8. Click Apply. 9. Click OK to close the Receiver Configuration screen.
  • Page 52 Notes: 52 LGG100-GG Operator’s Manual www.javad.com...

  • Page 53: Chapter 4. Operation

    Loading New Firmware ....... .69 www.javad.com LGG100-GG Operator’s Manual 53...

  • Page 54: Using Minpad

    REC (recording LED) FN (function/recording button) PWR (power button) Figure 4-1. LGG100-GG MinPad Power Key Pressing the power key turns the receiver on and off. Status LED • When the receiver is on and no satellites are tracked, the STAT LED will blink red.
  • Page 55 REC LED Status When data recording is OFF, and the FN key is... No light No data recording. Orange blink Internal file system test in progress. Not pressed No free memory; hardware problem with data recording. www.javad.com LGG100-GG Operator’s Manual 55...
  • Page 56 Release to start recording (Kinematic or Green Static post-processing occupation mode). Pressed for 5–8 sec- Release to turn serial port A baud rate to onds 9600 bps. Pressed for > 8 sec- No light No function. onds 56 LGG100-GG Operator’s Manual www.javad.com...

  • Page 57: Information Modes

    No light No function (data recording still on). onds Information Modes The LGG100-GG has two information modes: Normal and Extended Informa- tion Mode (EIM). Normal In normal mode, the STAT LED indicates the number of tracked satellites and the position’s computation status.

  • Page 58: Extended Information Mode (Eim)

    MinPad. 2. Watch for the delimiter double-blink. With good receiver, antenna, and observation conditions, all blinks should be green within 15 minutes of powering on. • Green - ok • Orange - wait 58 LGG100-GG Operator’s Manual www.javad.com...

  • Page 59: Downloading Files To A Computer

    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 LGG100-GG mem- ory holds a finite amount of files and information, so downloading the files to a computer ensures that no files are lost.
  • Page 60 Create to create a new folder in which to download and store files. Open this new folder. Select the Download files tab. Select the file(s) you want to download (Figure 4-5 on page 61). 60 LGG100-GG Operator’s Manual www.javad.com...

  • Page 61: Download Files

    (Figure 4-6). • Blue indicator – file in queue for downloading. • Red indicator – file currently downloading. • Green indicator – file has successfully downloaded. Figure 4-6. Download Files – Status Indicators www.javad.com LGG100-GG Operator’s Manual 61...

  • Page 62: Deleting Files

    PCView. Deleting Files Use the following steps to delete files from your receiver. Connect your receiver and computer. See “Connecting the LGG100-GG and a Computer” on page 27 for this procedure. Start PCView. On the Connection Parameters dialog box, enable RTS/CTS handshaking (See Figure 4-2 on page 59.)

  • Page 63: Managing Receiver Options

    1. Connect your receiver and computer. See “Connecting the LGG100- GG and a Computer” on page 27 for this procedure. 2. Start PCView. 3. On the Connection Parameters dialog box, enable RTS/CTS handshak- ing (Figure 4-2). Figure 4-8. Connection Parameters – RTS/CTS Handshaking www.javad.com LGG100-GG Operator’s Manual 63...
  • Page 64 • -1 or "-----" – the firmware version does not support this option. • 0 – the receiver option is disabled. • positive integer – the option is enabled. • yes or no – the option is either enabled or disabled. 64 LGG100-GG Operator’s Manual www.javad.com...

  • Page 65: Loading Oafs

    File->Disconnect to prevent conflicts with serial port manage- ment. Loading OAFs Javad Navigation Systems dealers provide customers with OAF files. For any OAF related questions, E-mail JNS at options@javad.com. Please have your receiver ID number available (see “Checking Firmware Version” on page 68).

  • Page 66: Clearing The Nvram

    (around 15 minutes). Clearing the NVRAM of your receiver will reset your receiver settings to fac- tory default values. In addition, the NVRAM keeps information about the receiver file system. You can clear the NVRAM using PCView. 66 LGG100-GG Operator’s Manual www.javad.com...

  • Page 67: Using Minpad To Clear Nvram

    GG and a Computer” on page 27 for this procedure. 2. Start PCView. 3. Click Tools->Clear NVRAM (Figure 4-12). 4. Click OK at the clear NVRAM confirmation dialog box. Figure 4-12. Tools->Clear NVRAM The receiver will automatically disconnect once the NVRAM is cleared. www.javad.com LGG100-GG Operator’s Manual 67...

  • Page 68: Checking Firmware Version

    Use PCView to check the firmware version of your receiver. Notice: The LGG100-GG receiver should be loaded with firmware version 2.3 or newer. Connect your receiver and computer. See “Connecting the LGG100-GG and a Computer” on page 27 for this procedure.

  • Page 69: Loading New Firmware

    -based utility, to load firmware into the receiver. You can download FLoader to your computer from the JNS website (http://www.javad.com). For more information, refer to the FLoader User's Manual, also available on the JNS website. Download and install FLoader, if applicable.

  • Page 70: Set Device Type

    If you selected an incorrect RAM or Flash file, an error message displays at the bottom of the dialog box. Reselect the correct file. Click File->Exit. Clear the receiver’s NVRAM (see “Clearing the NVRAM” on page 66) and update the almanac after loading new firmware. 70 LGG100-GG Operator’s Manual www.javad.com...

  • Page 71: Chapter 5. Troubleshooting

    ROUBLESHOOTING In general, as long as you follow the maintenance and safety instructions pro- vided in this manual, you should have few problems with your LGG100-GG. This chapter will help you diagnose and solve some common, minor problems you may encounter with your LGG100-GG receiver.

  • Page 72: Things To Check First

    • Initialize the file system (click Tools->Initialize file system; this will erase all files inside the receiver). Warning: Do not attempt to repair equipment yourself. Doing so will void your war- ranty and may damage the hardware. 72 LGG100-GG Operator’s Manual www.javad.com...

  • Page 73: Receiver Problems

    See “Checking an OAF” on page 63 for disabled or expired. details on how to check current options. Enable or prolong the validity of the corre- sponding receiver options by ordering a new OAF with the desired options activated. www.javad.com LGG100-GG Operator’s Manual 73...
  • Page 74 If the receiver should function as a Base, Rover. ensure it has the proper configuration. See “DGPS Measuring with the LGG100-GG” on page 45 for further information. If the receiver should function as a Rover, ensure it has the proper configuration. See “DGPS Measuring with the LGG100-GG”...
  • Page 75 Poor satellite geometry (PDOP/GDOP values Conduct your measuring when PDOP values are too high). are low. Use the Standalone Mission Plan- ning tool (http://www.javad.com) to track DOP values. The elevation mask is above 15 degrees. Lower the elevation mask. The receiver and the antenna have a poor con- Ensure the cable is undamaged.

  • Page 76: Obtaining Technical Support

    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 provides access to fre- quently asked questions, configuration procedures, manuals, etc.

  • Page 77: Creating Scripts

    Tip: For more information on script files, see the PCView Software Manual. Connect your receiver and computer. See “Connecting the LGG100-GG and a Computer” on page 27 for this procedure. Once connected, start PCView. On the Connection Parameters dialog box, enable RTS/CTS handshaking (Figure A-1) and then click Connect.
  • Page 78 Click Close editor. Once you have created a script file, Click Load script on the Manual Mode dialog box. Navigate to the folder that contains your script file. Select the appropriate script file and click Send command. 78 LGG100-GG Operator’s Manual www.javad.com...

  • Page 79: Specifications

    PPENDIX Specifications The following sections provide specifications for the LGG100-GG and its inter- nal components. General Details Table B-1 lists receiver component details. Table B-1. LGG100-GG General Specifications Physical Enclosure Aluminum extrusion, waterproof Color JNS Green and black Dimensions H:160 x W:85 x D:35 mm Weight 0.316 kg...
  • Page 80 A P P E N D I X Specifications Table B-1. LGG100-GG General Specifications Environment Operating temperature -30 °C to + 55°C Storage temperature -40 °C to + 75 °C Humidity 95% non-condensing Power External power input +9 to +35 V DC Power consumption 1.6 W (typical)
  • Page 81 A P P E N D I X Specifications Table B-1. LGG100-GG General Specifications Technology Low signal tracking Advanced Multipath mitigation WAAS/EGNOS Improved Timing mode for static receiver NMEA NMEA version Ver. 2.1, 2.2, 2.3, 3.0 GGA, GLL, GNS, GRS, GSA, GST, GSV, HDT, RMC,...
  • Page 82 A P P E N D I X Specifications Table B-1. LGG100-GG General Specifications 1Hz standard; Process update rate 5, 10, 20, 50 Hz optional Delay mode – 10 msec to 20 sec (depends on latency Latency which receives corrections data from base receiver) Extrapolation –...

  • Page 83: Gnss Board Details

    Memory Up to 128 MB of on board non-removable memory for data Internal Memory storage Data Update Rate Up to 100 times per second (100Hz) Code and Carrier from L1, Data Type GPS and GLONASS www.javad.com LGG100-GG Operator’s Manual 83...
  • Page 84 -500000000 to 500000000 ms Offset -500000 to 500000 ns GPS, GLONASS, Reference time UTC (USNO), UTC (SU) Resolution 5 ns 2 ns Accuracy Event Marker (optional) Number of Event Marker ports Connector type Edge Rise, Fall 84 LGG100-GG Operator’s Manual www.javad.com...

  • Page 85: Connector Specifications

    When the pulse edge is delayed relative to the scheduled time, the offset is negative. The accuracy of the measured offset is 2 ns. Connector Specifications This sections list LGG100-GG connector details. Power Connector The power connector (Figure B-1) is a sealed receptacle, 5 pin, ODU p/n G80F1C-T05QF00-0000.

  • Page 86: Serial Rs-232C Connector

    Applied Engineering Product part number 6001-7051-003. Table B-5. External Antenna Connector Type Signal Name Details RF input from LNA and power sup- TNC female ANT_IN ply for LNA, 5VDC with sourced cur- rent up to 80 mA 86 LGG100-GG Operator’s Manual www.javad.com...

  • Page 87: Event And 1Pps (Timing) Connectors (Optional)

    A P P E N D I X Specifications Event and 1PPS (Timing) Connectors (Optional) The Event and 1PPS (Timing) connectors are coaxial female receptacles of BNC series, Kings Electronics part number KC-79-108. These connectors are optional. www.javad.com LGG100-GG Operator’s Manual 87...
  • Page 88 Notes: 88 LGG100-GG Operator’s Manual www.javad.com...

  • Page 89: Safety Warnings

    PPENDIX Safety Warnings General Warnings Warning: The LGG100-GG is designed for measuring and measuring related uses (i.e., measuring coordinates, distances, angles and depths). This product should never be used: – Without the user thoroughly understanding this manual. – After disabling safety systems or altering the product.
  • Page 90 A P P E N D I X Safety Warnings Inform JNS immediately if this product does not function prop- erly. Only allow authorized JNS warranty service centers to service or AUTION repair this product. 90 LGG100-GG Operator’s Manual www.javad.com...

  • Page 91: Warranty Terms

    * The warranty against defects in JNS battery, charger, or cable is 90 days. www.javad.com LGG100-GG Operator’s Manual 91...
  • Page 92 1731 Technology Drive, San Jose, CA 95110 USA Phone: +1(408)573-8100 Fax: +1(408)573-9100 www.javad.com LGG100-GG Operator’s Manual Rev 1.1 2/07 ©2007 Javad Navigation Systems All rights reserved. No unauthorized duplication...

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