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GRX1 Operator`s Manual - Land Surveyors United

1. Serial cable Connects the receiver to an external device controller or computer for data transfer and receiver configuration Body of connector is black Other Accessories e Battery BDCS58 Li ion Battery 4 300mAh 7 2 VDC x 2 e Battery Charger CDC68 e Power Cable 73113 A B C CDC68 to AC consent region specific e Interface Cable DOC133 72693 for SHC250 SHC2500 PC e Manual CD e Radio Antenna type depends on chosen UHF radio modem For more details on the accessories and package options available for the GRX1 contact your local Sokkia dealer Optional Accessories Sokkia offers a wide variety of accessories especially designed to extend job reliability and efficiency For more details on the optional accessories available for GRX1 contact your local Sokkia dealer e Radio Antenna for Digital modem 30 050503 01 or 30 070003 01 e 10cm spacer e SD Card industrial model e Measuring Tape 22 050902 1 3 7m HI Calibrated 1 20 GRX1 Operator s Manual Option Authorization File OAF Option Authorization File OAF Sokkia issues an Option Authorization File OAF to enable the specific options that customers purchase An Option Authorization File allows customers to customize and configure the receiver according to particular needs thus only purchasing those options needed Typically all receivers ship with a temporary OAF that allows it to be used for a predetermined period of tim
2. Static 10Hz standard 20Hz 50Hz and 100Hz optional L1 5mm 1 0ppm x D 10mm 1 0ppm x D L1 L2 3mm 1 0ppm x D 10 mm 1 0ppm x D Fast Static L1 L2 5mm 1 0ppm x D 10mm 1 5mm x D Kinematic L1 L2 15mm 1 5ppm x D 30mm 1 5mm x D RTK L1 L2 10mm 1 0ppm x D 20 mm 1 0ppm x D DGPS 0 5m Cold start lt 40sec Warm start lt 20sec typical Reacquisition lt lsec gt Performance specifications assume a minimum of 6 GPS satellites above 15 degrees in elevation and adherence to the procedures recommended in this manual GRX1 Operator s Manual Receiver Specifications PDOP and during periods of increased ionospheric D In areas of high multipath during periods of large activity performance may degrade Use robust checking procedures in areas of extreme multipath or under dense foliage GPS Board Details Table A 2 lists the GPS board s general specifications Table A 2 GPS Board Specifications Receiver Type set by activating the proper OAF Internal board G GPS L1 GRX1 GD GPS L1 L2 GG GPS GLONASS L1 GGD GPS GLONASS L1 L2 Hardware type with Digital UHF country region with Digital UHF GSM purpose dependent with Digital UHF COMA Tracking Specifications Standard Channels 72 universal channels L1 L2 L2c GPS and GLONASS WAAS EGNOS PCode and Carrier Tracked Signals GPS GLONASS L1 L2 C A and P Code and
3. Erase greater than 20 With the receiver on press the memory and less than 25 button for 20 seconds to 25 seconds until you hear the Delete Files message or sound and the top three LEDs on the memory gauge illuminate Release the button to delete all the files from the memory Notice This action is irreversible If you are unsure about whether you want to delete all the files hold the button longer than 25 seconds so that the receiver simply returns to normal operation To delete individual files from the memory use a data collector or Sokkia software GRX Utility on your PC Disregard more than 25 When you hold the button longer seconds than 25 seconds and you hear the Continue Operation message or sound no action will be taken and the receiver will return to normal operation The receiver will not turn Off the data files will not be erased and the settings will not revert to factory settings Audible Annunciator The GRX1 receiver is equipped with a voice notification which issues a series of voice messages or sounds to alert you to the system status and event conditions Your receiver is preconfigured with either voice messages or sounds at a preset volume To modify e these settings use the GRX Utility software or other application software 1 16 GRX1 Operator s Manual GRX1 Receiver The frequency of the voice message or sound depends on the specific condition
4. Main Flash ldp Capture Method e Updating Flash 1 The Firmware has successfully been uploaded Figure 5 10 Finishing Uploading Firmware Clearing the NVRAM The receiver s Non Volatile Random Access Memory NVRAM holds data required for satellite tracking such as ephemeris data and receiver position The NVRAM also keeps the current receiver s settings such as active antenna input elevation masks and recording interval and information about the receiver s internal file system Even though clearing the NVRAM is not a common nor normally a recommended operation there are times when clearing the NVRAM 5 8 GRX1 Operator s Manual Clearing the NVRAM can eliminate communication or tracking problems Clearing the NVRAM in your receiver can be interpreted as a soft boot in your computer After clearing the NVRAM the receiver requires time to collect new ephemerides and almanacs around 15 minutes Clearing the NVRAM of your receiver will not delete any files already recorded in your receiver s memory However it will reset your receiver to factory default values In addition the NVRAM keeps information about the receiver file system Using GRX Utility to Clear the NVRAM 1 Connect your receiver and computer Open GRX Utility See Connecting the Receiver and a Computer on page 2 9 for this procedure J 2 Click icon in the main window The Tools dialog box Tools a
5. To uninstall GRX Utility navigate to the location of the exe file Select the file and press Delete Each time GRX Utility runs and configures the bluetooth module GRX Utility saves the settings in a file btconf ini GRX Utility automatically updates the file each time changes are made to the Bluetooth module s settings Installing the Optional SD SDHC and SIM Cards Behind the detachable battery is a slot for the optional SD SDHC card or the optional SIM card The SD SDHC card provides memory space in which to save logged data the SIM card provides telephony communication for data transfer between two GSM capable receivers The SD SDHC card can be purchased at a local Sokkia dealer the SIM card can be purchased at a local cellular phone supply store The receiver currently supports an SD SDHC card FAT 16 FAT32 format Once installed the card s generally remains installed The card can then be accessed via the receiver board using a data port or Bluetooth wireless technology To install the SD SDHC card Figure 2 2 1 Ensure the receiver is turned off 2 Remove the battery See Using the Detachable Battery on page 2 6 P N 7010 0965 2 3 Pre survey Preparation 3 Carefully insert the SD SDHC card label side down into the SD SDHC card slot located at the top of the battery pocket Figure 2 2 Install SD SDHC Card Do not remove the card if the receiver is powered cfs on Damage to data may result
6. e Unplug the cable then securely and properly reconnect it to the receiver If using a cable the cable is damaged e Use an undamaged cable e Contact your Dealer to purchase a new cable If using Bluetooth wireless technology the incorrect port is selected or the receiver or computer does not support Bluetooth e Use a computer or receiver that has Bluetooth wireless technology enabled installed e Check that the computer and receiver use the correct ports for communication For the GRX1 receiver this is port A gt The corresponding modem options may be disabled or expired e See Managing Receiver Options on page 5 4 for details on how to check current options e Order a new OAF with the required options activated to enable or extend validity of the corresponding receiver options Contact your dealer or visit the Sokkia website for details gt The type of radio modem is disabled for detection using GRX Utility 1 Click Cancel on the Connection dialog box or Stop on the Connecting to device dialog box In GRX Utility click Tools Options 3 Enable the modem type installed in the receiver connected to the computer Click Ok 4 Click File gt Connect Obtaining Technical Support If the troubleshooting hints and tips in this Operator s Manual fail to remedy the problem contact Sokkia Customer Support P N 7010 0965 6 11 Troubleshooting Before contacting Sokkia Customer support about a
7. After setting up the Base and Rover receivers the antenna height must be measured Before collecting data make sure the Base and Rover receivers contain a current almanac and current ephemeris data see Collecting Almanacs and Ephemerides on page 2 13 Step 1 Set up the Receivers The Base station must be set up logging data and transmitting data before setting up the Rover receiver Receiver setup for either post processing or RTK surveys is the same O Set up the Base station and its components See To set up the Base receiver on page 4 1 for details O Set up the Rover receiver See To set up the Rover receiver on page 4 3 for details To set up the Base receiver Figure 4 1 1 Install a tripod over a known control point P N 7010 0965 4 1 GRX1 Receiver Setup m Secure the universal tribrach to the tripod Place the tribrach adapter on the tribrach and tighten the screws Insert the horizontal spacer into the precision tribrach adapter Attach the 10cm spacer to the horizontal spacer Attach the GRX1 receiver to the 10cm spacer Attach the antenna to the antenna connector Carefully level the tripod and tighten the screws Attach any other accessories as needed for example a backup power supply a GRX1 Receiver 10cm Spacer n Horizontal Spacer Sn Tribrach Adapter Precision Universal Tribrach Figure 4 1 Install Tripod and Receive
8. DER Connect Using Serial Port bd Port Name Detecting Receiver 4COM1 Communications Port CO e Baud Rate 115200 Receiver Port Flow Control Hardware Cancel ER GRX Utility Setup J External Receiver Application Mode gt Exit Figure 2 7 Stages for connecting receiver and computer controller via RS232 cable 2 10 GRX1 Operator s Manual Connecting the Receiver and a Computer 6 To close the connection between a receiver and computer EF GRX Utility OS view Help controller click Device gt Disconnect lt Setup Application Mode gt To set connection with GRX Ireceiver do not check eS the External Receiver checkbox in the Connection Parameters dialog box Establishing a Wireless Connection The GRX1 receiver contains Bluetooth wireless technology that allows file transfer and synchronization between the receiver and any other external device that supports Bluetooth wireless technology for example an SHC250 or a computer with USB to Bluetooth adapter or PCMCIA to Bluetooth adapter installed Before establishing a connection to the receiver via Bluetooth make sure the module has Bluetooth power Wireless Status LEDs blinks blue If this LEDs do not blink the user has to activate the receiver Bluetooth module To do it set the connection between the computer and receiver using RS 232 cable follow the steps 1 5 described in
9. SUBSTITUTE PRODUCTS OR SOFTWARE CLAIMS BY OTHERS INCONVENIENCE OR ANY OTHER COSTS IN ANY EVENT SOKKIA SHALL HAVE NO LIABILITY FOR DAMAGES OR OTHERWISE TO YOU OR ANY OTHER PERSON OR ENTITY IN EXCESS OF THE PURCHASE PRICE FOR THE RECEIVER LICENSE AGREEMENT Use of any computer programs or software supplied by Sokkia or downloaded from a Sokkia website the Software in connection with the receiver 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 vi GRX1 Operator s Manual Terms and Conditions exclusive non transferable license to use such Software under the terms stated herein and in any case only with a single receiver or single computer You may not assign or transfer the Software or this license without the express written consent of Sokkia This license is effective until terminated You may terminate the license at any time by destroying the Software and Manual Sokkia may terminate the license if you fail to comply with any of the Terms or Conditions You agree to destroy the Software and manual upon termination of your use of the receiver All ownership copyright and other intellectual property rights in and to the Software belong to Sokkia If these license terms are not acceptable return any unused software and manual CONFIDENTIALITY This Manual its contents and the Software collectively the Confide
10. 1 Deleting Files from the Receiver Using GRX Utility 5 3 Using the Power Button to Deleting Files 0 0 0 5 4 Managing Receiver Memory eeseeseceseceseeeeeenseesaeees 5 4 Managing Receiver Options eee eseeseceseceseeeeeeseeeeaeees 5 4 Checking the Receiver s OAF ooo ceeeeeeenecnseees 5 5 Loading an QAF x cauavlnnsh iti ain endian 5 5 Loading New Firmware 0 sceeeeseeseceseceseeeeeeeeeeeeeneees 5 7 Clearing the NVRAM oo eee eecceseeseecneceseeeseeeneeeneenaeees 5 8 Using GRX Utility to Clear the NVRAM uu 5 9 ii GRX1 Operator s Manual Table of Contents Chapter 6 Troubleshooting 2 eeeeeeeeneeeeeeeeeeeeeeeeeeeeeeeeeenees 6 1 Check This First Srece usere aeieea iet 6 1 Troubleshooting Quick List eeeeeeeeeeseeeeeeeerersse 6 2 Powering Problems se c cca tetcsel devieds eceetintenhitenien 6 2 Receiver Problems isnon anarien i 6 3 Bluetooth Problems 2 0 0 ee eee eseeseceseeeeeeeeeeaeceseeneeeees 6 8 GRX Utility Problems ceeceseeeeeeneeneeenseeneeeees 6 10 Obtaining Technical Support cee eeeeseceeeeeeeeeeeeneees 6 11 PHONG inet avienete eich dae amare 6 12 Emal nacien eee ead eal ehh 6 12 Website useranno enee n e e N 6 13 Appendix A SPGECINGANONS aseitssciutesc riciaigandtecdasiiaadoaeacuiasaamtedue A 1 Receiver Specifications oo eeeeesececeeeeeeeereecneeeneeeeeeenes A 1 General Details sciroeisonirer nees tran n enis A 1 GPS Board Details cicctsssstetssec
11. Carrier WAAS EGNOS MSAS Tracking Functions Multi path Code and Carrier reduction PLL DLL setting Bandwidth order adjustable Co op tracking loop On Off Static Mode setting Bandwidth of individual PLL Bandwidth of common PLL Smoothing interval Code and Carrier P N 7010 0965 A 5 Specifications Table A 2 GPS Board Specifications Continued WAAS EGNOS Optional MSAS Data Features Formats TPS NMEA RTCM CMR Features Up to 100 Hz update rate for real time position and raw data code and carrier 10cm code phase and 0 1mm carrier phase precision RTCM SC104 version 2 1 2 2 2 3 3 0 and 3 1 I O Multiple Base RTCM Geoid and Magnetic Variation models RAIM Different DATUMs support Output of grid coordinates CMR and CMR support Memory Internal Memory SD SDHC card removable Capacity Dependent on capacity of the installed SD SDHC card Logging Interval 0 05 to 86 400 seconds depending on purchased options Cinderella days is an option that turns a single frequency GPS receiver into a dual frequency GNSS receiver for 24 hours every other Tuesday at GPS midnight Refer to Sokkia s website for more information and specific Cinderella day dates A 6 GRX1 Operator s Manual Receiver Specifications Bluetooth Module Details Table A 3 lists the Bluetooth wireless technology module s general specifications Table A 3 Bluet
12. OmniSTAR service and satellite based augmentation systems WAAS EGNOS MSAS The real time kinematic RTK method is the most precise method of real time surveying RTK requires at least two receivers collecting navigation data and communication data link between the receivers One of the receivers is usually at a known location Base and the other is at an unknown location Rover The Base receiver collects carrier phase measurements generates RTK corrections and sends this data to the Rover receiver The Rover processes this transmitted data with its own carrier phase observations to compute its relative position with high accuracy achieving an RTK accuracy of up to 10mm horizontal and 15mm vertical 1 4 GRX1 Operator s Manual Principles of Operation Essential Components for Quality Surveying Achieving quality position results requires the following elements e Accuracy The accuracy of a position primarily depends upon the satellite geometry Geometric Dilution of Precision or GDOP and the measurement ranging errors Differential positioning DGPS and RTK strongly mitigates atmospheric and orbital errors and counteracts Selective Availability SA signals the US Department of Defense transmits with GPS signals The more satellites in view the stronger the signal the lower the DOP number the higher positioning accuracy e Availability The availability of satellites affects the calculation of valid posi
13. Order a new OAF with the required options activated to enable or extend validity of the corresponding receiver P N 7010 0965 6 5 Troubleshooting options Contact your dealer or visit the Sokkia website for details e Refer to the GRX Utility Reference Manual for a detailed description of options gt There are not enough common satellites In order to obtain a fixed solution the Base and Rover should track at least five common satellites e Ensure that both the Rover and Base receivers use the same and updated almanac See Collecting Almanacs and Ephemerides on page 2 13 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 1 Connect your receiver and a computer and start GRX Utility See Connecting the Receiver and a Computer on page 2 9 2 Click Configuration gt Receiver and the Ports tab Use the same input output format for both receivers Poor satellite geometry PDOP GDOP values are too high Conduct your survey when PDOP values are low gt The modem battery is low The transmitting and or receiving antenna may be improperly connected e Check that the radio modem s antenna is securely and properly connected to the antenna connector e Check that the radio modem s antenna is undamaged If damaged contact your Sokkia dealer to replace the antenna The spe
14. See Collecting Almanacs and Ephemerides on page 2 13 This chapter also discusses connecting the receiver and a computers P N 7010 0965 2 1 Pre survey Preparation Installing Sokkia Software The GRX Utility CD includes the following software program used for configuring and maintaining the receiver e GRX Utility If installing GRX Utility from the GRX Utility CD insert the CD into the computer s CD ROM drive If downloading the program s from the website extract the program s files into a folder on the hard drive The following sections describe installing this software and other sections throughout the manual describe using this software with the receiver Installing GRX Utility GRX Utility is a Windows software application designed for configuring GNSS receivers Computer requirements for GRX Utility are Microsoft Windows XP Vista 7 operating system and an RS 232C port or Bluetooth wireless technology Use GRX Utility to correctly configure the receiver To install GRX Utility 1 Navigate to the GRX Utility folder and double click GRX Utility zip Extract GRX_Utility exe to the GRX Utility folder Double click GRX_Utility exe to run the installer and then follow the on screen instructions After installation shortcuts on the desktop and in the Program menu are created Figure 2 1 GRX Utility Desktop Shortcut 2 2 GRX1 Operator s Manual Installing the Optional SD SDHC and SIM Cards
15. functionality refer to the GRX Utility Reference Manual 12 For the Rover receiver click the Positioning icon and set the following parameters then click OK Figure 3 16 on page 3 16 e Positioning Mode For post processed surveys select Standalone for RTK surveys select RTK float or RTK fixed e Enable Solutions select solutions used in position computation Standalone where the receiver computes 3D coordinates in autonomous mode without using differential corrections Code differential where the Rover receiver computes the current relative coordinate in differential mode using only pseudo ranges RTK float where the Rover receiver computes the current relative coordinates in differential mode using both pseudo P N 7010 0965 3 15 GRX1 Configuration ranges and phases however with a float solution the phase ambiguity is not a fixed integer number and the float estimate is used instead RTK fixed where the Rover receiver computes current relative coordinates with ambiguity fixing in differential mode T Positioning 4 General SBAS Positioning Mode Q 3 RTK Fixed Enable Solutions Standalone Code Differential RTK Float RTK Fixed Positioning Figure 3 16 Rover Configuration 13 For RTK surveys click the Ports icon and set the following port parameters for the serial port then click OK Figure 3 17 on page 3 17 3 16 GRX
16. kinematic observation data See GRX1 Receiver Setup on page 4 1 for more information For more information about kinematic refer to Spectrum Survey Field reference manual Managing the Radio Modem GRX Utility is Sokkia s radio modem configuration utility for modems embedded in GRX receivers GRX Utility provides the following functions e Connecting a computer to an integrated radio modem via a serial port or Bluetooth wireless technology e Displaying information about the radio modem installed in the receiver e Programming the radio modem s settings To configure the radio modem have the following ready 3 2 GRX1 Operator s Manual Managing the Radio Modem e PC running Windows 2000 or newer e GRX Utility e A Serial cable or Bluetooth wireless technology capabilities Connecting with the Radio Modem 1 Turn on the receiver Connect the computer and receiver using an RS 232 cable or Bluetooth wireless technology 2 Open GRX Utility Click Device gt Application Mode gt Modem Managing Then click Device gt Connect GAGRX Utility s wlole of oj x Device View Help Connect Simple Terminal Receiver Managing Modem Managin k Modem Managing Mode Figure 3 1 Modem Managing 3 Select the COM Port of the computer to which the receiver is connected P N 7010 0965 3 3 GRX1 Configuration 4 Select the COM Port the receiver is connected to Click OK Select Port Friendly Nam
17. month 20 C to 45 C 1 month to 6 months 20 C to 40 C 6 months to 1 year 20 C to 35 C e The BDCS58 generates power using a chemical reaction and as a result has a limited lifetime Even when the battery is in storage and not used for long periods the battery capacity deteriorates with the passage of time This may result in the operating time of the battery shortening despite having been charged correctly In this event a new battery is required GRX1 Receiver The GRX1 receiver s advanced design reduces the number of cables required for operation allowing for more reliable and efficient surveying The casing allocates space for one removable battery SD and SIM card slots Bluetooth wireless technology module and a radio modem communications board with GSM cellar phone module depending on the model The GRX1 comes in one of the following configurations e with a Digital UHF TX RX radio modem e with a Digital UHF TX RX radio modem and a GSM GPRS module e with a Digital UHF TX RX radio modem and a CDMA module for US Other features include one data port and a power port and a LED Panel for viewing status P N 7010 0965 1 11 Introduction LED Display Panel The GRX1 LED Display Panel is used to display and indicate the receiver s current situation Satellite Tracking Bar Available Power Bar Memory Capacity Bar Scheduler a Wireless Status Receiver Health x Button Battery Status
18. on page 5 5 The receiver s memory card has no free space e Download and or delete data files to free up space for new files see Downloading Files to a Computer on page 5 1 and Deleting Files from the Receiver Using GRX Utility on page 5 3 P N 7010 0965 6 7 Troubleshooting Bluetooth Problems The following are some of the most commonly encountered error messages and other problems GRX Utility error message Can t find receiver The receiver is turned off Ensure the receiver has power and is turned on If using a cable the cable s connectors are improperly attached e Check that the cable connector is attached to the correct serial port e Unplug the cable then securely and properly reconnect it to the receiver If using a cable the cable is damaged e Use an undamaged cable e Contact your Sokkia dealer to purchase a new cable gt The COM port the receiver is attached to differs from the one selected in GRX Utility e Ensure that the RS232 cable is attached to the COM port specified in the GRX Utility communication port list e See Establishing a Wireless Connection on page 2 11 for details gt The receiver port used for connection is not in Command mode 1 Connect your receiver and a computer using a free port see Connecting the Receiver and a Computer on page 2 9 and start GRX Utility 2 Click Configuration gt Receiver gt Ports 3 Change th
19. receivers can estimate and remove almost all ionospheric effect from the code and carrier phase measurements providing much greater accuracy than single frequency receivers over long baselines 4 6 GRX1 Operator s Manual Kinematic Stop amp Go Surveying for Rover Stations or during ionospheric storms Secondly dual frequency receivers need less observation time to reach the required accuracy After the survey completes data the receivers collect can be downloaded onto a computer and processed using post processing software for example Spectrum Survey Field Kinematic Stop amp Go Surveying for Rover Stations For kinematic stop and go survey refer to the Spectrum Survey Field Reference Manual P N 7010 0965 4 7 GRX1 Receiver Setup Notes 4 8 GRX1 Operator s Manual Chapter 5 Receiver and File Maintenance If post processing the data after completing a survey the data in the receiver s memory needs to download to a computer Downloading and deleting files prepares the receiver s memory for the next survey Occasionally the receiver s NVRAM may need to be cleared to eliminate communication or tracking problems As project expectations expand the receiver s OAF may need to be updated to provide expanded operation and functionality The various boards inside the receiver GPS power modem and Bluetooth require firmware
20. securely and properly reconnect it to the receiver e If the power cable is damaged contact your Dealer to purchase a new cable P N 7010 0965 6 9 Troubleshooting The receiver s Slot 2 C is turned off 1 Connect your receiver and a computer using an RS232 cable see Establishing an RS232 Cable Connection on page 2 10 Click Configuration gt Receiver gt General 3 Inthe Turn on off Slots area enable the Slot 2 C check box Can see the icon for the receiver s Bluetooth module on the computer screen but cannot connect to it Device security settings probably differ e Make sure your Bluetooth enabled devices use the same security settings e See Establishing a Wireless Connection on page 2 11 gt Bluetooth module settings may have changed 1 If you changed settings for your Bluetooth module remove it from the list of discovered Bluetooth devices using the Bluetooth manager program supplied with the device used to manage the receiver 2 Repeat the search GRX Utility Problems The following is the most commonly encountered GRX Utility problem GRX Utility cannot connect to the receiver The receiver is turned off Ensure the receiver has power and is turned on If using a cable the cable s connectors are improperly attached e Check that the cable connector is attached to the correct serial port 6 10 GRX1 Operator s Manual Obtaining Technical Support
21. 1 Operator s Manual 14 15 Configuring the Receiver Ports Serial PortName devises SS Input Mode Messages Baud Rate 115200 X Stop Bits Parity Byte Size Figure 3 17 Ports Configuration For post processed surveys keep the default values for these parameters Click OK to save the settings and close the dialog box Once the receiver is configured the configuration will remain until you change it using GRX Utility or clearing the NVRAM For more details on the settings available for configuring receivers refer to the GRX Utility Reference Manual For RTK Rover receivers click the Status icon Figure 3 19 on page 3 21 to ensure the receiver obtains differential corrections Usually the receiver will start to output the coordinates of the antenna s phase center along with the solution type within 10 30 seconds However spread spectrum radios and GSM phones may take as long as 60 seconds to synchronize The Data Link tab reflects the status of the received differential messages and contains the following information e Data link quality in percentage e Time in seconds elapsed since the last received message e Total number of received correct messages dependent on the message type received P N 7010 0965 3 17 GRX1 Configuration e Total number of received corrupt messages dependent on the message type received If the receiver is not for some reason receiving di
22. 115 200bps SPP Single Channel mode LED Display Panel Modem Antenna BNC or reverse polarity TNC depending on modem type PWR RS232C Serial NMEA NMEA version Ver 2 1 2 2 2 3 3 0 Messages GGA GLL GNS GRS GSA GST GSV HDT RMC VTG ZDA ROT GMP Output interval 10Hz 20Hz 50Hz and 100Hz DGPS Correction format RTCM SC104 Ver 2 1 2 2 2 3 3 0 3 1 RTCM message type 1 3 9 31 32 34 user selectable Process interval 10Hz standard 20Hz 50Hz and 100Hz optional Output interval for RTCM correction data 10Hz standard 20Hz 50Hz and 100Hz optional Elevation mask 0 to 90 degrees independent of data logging RTK Correction format CMR2 CMR RTCM SC104 Ver 2 2 2 3 3 0 or 3 1 RTCM message type 3 18 19 20 21 22 user selectable Ambiguity initialize OTF L1 L1 L2 P N 7010 0965 A 3 Specifications Table A 1 Receiver General Specifications Continued Baseline Length Up to 50km in the morning and evening Up to 32km at noon Initialize time 5 seconds to 10 min depending on the base line length and multipath conditions Output interval for CMR RTCM 10Hz standard 20Hz 50Hz and 100Hz optional Elevation 0 to 90 degrees independent of data logging Solution mode Delay synchronization Extrapolation not synchronized Process interval Survey Accuracy
23. 2 4 dB are strictly prohibited for use with this device The required antenna impedance is 50 ohms e GRX1 U 2 4dBi whip antenna Manufacture Type 410 440MHz ANTENEX G420BN 440 470MHz CENTURION EVR450 GRX Utility C 4 GRX1 Operator s Manual Community of Europe Compliance Community of Europe Compliance The product described in this manual is in compliance with the R amp TTE and EMC directives from the European Community European Community Declaration of Conformity with R amp TTE Directive 1999 5 EC The following standards were applied R amp TTE Directive 1999 5 EEC e EN 301 489 1 V1 8 1 2008 04 e EN 301 489 5 V1 3 1 2002 08 e EN 301 489 17 V1 3 2 2008 04 e EN 300 328 V1 7 1 2006 10 e EN 300 113 2 v1 4 1 2007 07 e EN 62311 2008 e EN 60950 1 2001 A11 2004 The following CE mark is affixed to the device CE P N 7010 0965 c 5 Regulatory Information Declaration of Conformity with Regard to the R amp TTE Directive 1999 5 EC Les lesky Czech La IDansk Danish ee Deutsch German Let Eesti Estonian Les English Les Espafol Spanish Greek Francais French Sokkia t mto prohla uje ze tento GRX1 je ve shod se z kladn mi po adavky a dal mi pisluSnymi ustanovenimi smrnice 1999 5 ES Undertegnede Sokkia erkl rer herved at f lgende udstyr GRX1 overholder de v sentlige krav og vrige relevante krav i direktiv 1999 5 EF Hiermit erkl rt So
24. Connector Table A 9 gives power connector specifications Table A 9 Power Connector Specifications Number Signal Name Dir Details 1 Power _GND P Ground power return 2 Power _GND P Ground power return 3 Not used 4 Not used 5 Not used A 10 GRX1 Operator s Manual Connector Specifications Serial C RS232 Connector Rimmed in black the serial RS232 connector Figure A 2 is an 8 pin sealed receptacle Figure A 2 Serial RS232 Connector Table A 10 gives the RS232 cable connector specifications Table A 10 RS232 Connector Specifications Number Signal Name Dir Details 1 Not used 2 RXD Input Receive data 3 TXD Output Transmit data 4 GND T O Signal ground 5 GND VO Signal ground 6 Not used 7 RTS Output Request to send 8 CTS Input Clear to send P N 7010 0965 A 11 Specifications Notes A 12 GRX1 Operator s Manual Appendix B Safety Warnings General Warnings To comply with RF exposure requirements gt maintain at least 25cm between the user and the radio modem Sokkia receivers are designed for survey and survey related uses that is surveying coordinates distances angles and depths and recording such measurements This product should never be used e Without the user thoroughly understanding this manual e After disabling
25. Establishing an RS232 Cable Connection on page 2 10 Then click g fs icon in the main window and then click Q icon Receiver Settings Bluetooth The Bluetooth dialog box displays Bluetooth Parameters Name GRX1 A PIN Address 00 07 80 88 72 89 FiW Version WRAP THOR AI 2 2 0 buil I Multiplexing Mode Bluetooth Power P N 7010 0965 2 11 Pre survey Preparation Check the Bluetooth Power check box Clicking OK will activate the receiver Bluetooth module Wireless Status LEDs will blink blue Close the connection between a receiver and computer controller via RS 232 cable see step 6 described in Establishing an RS232 Cable Connection on page 2 10 After turning the power of Bluetooth module this module will be activated after turning On Off the receiver To establish a connection to a receiver via Bluetooth take the following steps 1 2 3 ER GRX Utility Press the power buttons on the receiver and computer to turn them on Run GRX Utility Click Device Application mode and select Receiver Managing mode This mode allows the computer controller to detect the device connected to the port View Help Connect Setup MEE Simple Terminal Receiver Managing ba eceiver Manag xi Modem Managing Click Device gt Connect The Connection Parameters dialog box displays To establish a Bluetooth connection select Bluetooth in the Connec
26. GRX J The changes will take effect after reset Reset the receiver Yes No Figure 5 8 Reset the Receiver Loading New Firmware Receiver board firmware is released as a compressed file that the user download and decompress This file contains the following two files e ramimage ldr the Receiver board RAM file e main ldp the Receiver board Flash file To upload firmware files to GRX receiver do the following steps 1 Connect your receiver and computer Open GRX Utility See Connecting the Receiver and a Computer on page 2 9 for this procedure _ 2 Click me icon in the main window The Upload Firmware Firmware dialog box displays This dialog allows the user to upload firmware files to the connected receiver 3 Select Receiver modem in the Device type field Set the Capture Method to Soft Break recommended P N 7010 0965 5 7 Receiver and File Maintenance 5 Browse for and select the receiver board s RAM file and Flash file Upload Firmware Device Receiver Modem Firmware RAM Image Idr D From_GRX1 receiver agrs_3_4p2 ramimage dr Main Flash ldp D From_GRX1 receiver grs_3_4p2 main ldp Capture Method A Figure 5 9 Upload Firmware Dialog Box 6 Click Start to upload the selected files 7 Click OK to complete uploading new firmware to the receiver i Upload Firmware Device Firmware RAM Image ldr
27. M e H y L2 89 e H1 Antenna Height H1 H 50 9mm e H2 Vertical Height to ARP H2 H 55 2mm P N 7010 0965 4 5 GRX1 Receiver Setup Table 4 1 Phase Center Measurement To L1 Phase Center To L2 Phase Center Up 106 1mm 102 3mm Static Surveying for Base Stations Static surveying is the classic survey method well suited for all kinds of baselines short medium long At least two receiver antennas plumbed over survey marks simultaneously collect raw data at each end of a baseline during a certain period of time These two receivers track four or more common satellites have a common data logging rate S 30 seconds and the same elevation mask angles The length of the observation sessions can vary from a few minutes to several hours The optimal observation session length depends on the surveyor s experience as well as the following factors e The length of the baseline measured e The number of satellites in view e The satellite geometry DOP e The antenna s location e The ionospheric activity level e The types of receivers used e The accuracy requirements e The necessity of resolving carrier phase ambiguities Generally single frequency receivers are used for baselines whose lengths do not exceed 15 kilometers 9 32 miles For baselines of 15 kilometers or greater use dual frequency receivers Dual frequency receivers have two major benefits First dual frequency
28. MT Text and PDU modes Cell broadcast Battery BDC58 Specifications Table A 6 lists the BDC58 battery specifications Table A 6 Battery Specifications General Nominal voltage 7 2V Capacity 4 3Ah Dimensions 38 W x 70 D x 40 H mm Weight about about 195g A 8 GRX1 Operator s Manual Connector Specifications Charger CDC68 Specifications Table A 7 lists the CDC68 charger specifications Table A 7 Charger Specifications General Input voltage AC100 to 240V Charging time per about 4 hours battery at 25 C Charging can take longer than the times stated above when temperatures are either especially high or low Charging 0 to 40 C temperature range Storage temperature 20 to 65 C range Size 94 W X 102 D X 36 H mm Weight about 170g Connector Specifications The GRX1 has 3 external connectors one UHF radio modem connector one power connector and one serial port connector Table A 8 Table A 9 on page A 10 and Table A 10 on page A 11 list the specifications for the external connectors Table A 8 UHG Modem Connector Specifications Modem Type Signal Type Dir Details UHF BNC Modem I O T O RF GSM output from modem antenna P N 7010 0965 A 9 Specifications Power Connector Rimmed in red the power connector Figure A 1 is a 5 pin sealed receptacle Ene Q 4 Figure A 1 Power
29. SIM card slots reside under the battery near the base of the dome The SD SDHC card slot is located inside the battery pocket Figure 1 9 Once installed the SD SDHC card can usually be removed from the receiver The data that resides on the SD SDHC card can be accessed via the SD SDHC card reader serial port or Bluetooth wireless technology A secure digital card can be purchased from a local Sokkia dealer The SD SDHC card is available in FAT16 or FAT32 format so that the removable SD SDHC card is enabled for copying logging files on a PC The SIM card slot is located inside the battery pocket and allows a standard SIM card to be installed in the receiver Once installed the SIM card provides a unique identification for the receiver s GSM module and enables the receiver s GSM functionality based on the subscribed services the receiver board accesses the GSM module which accesses the SIM card The SIM card usually remains inside the receiver The GSM module with the SIM card installed can be accessed via GRX Utility for configuration purposes A SIM card can be purchased from a local cellular provider SIM Card Slot SD SDHC Card Slot Figure 1 9 GRX1 Card Slot Example P N 7010 0965 1 19 Introduction Cable The GRX1 package includes standard communication for configuring the receiver Table 1 3 lists the cable included in the GRX1 package Table 1 3 GRX1 Package Cables Cable Description Cable Illustration
30. SOKKIA GRX1 Operator s Manual SOKKIA GRX1 Operator s Manual Part Number 7010 0965 Rev A January 2010 The information contained herein may not be used accessed copied stored displayed sold modified published distributed or otherwise reproduced ECO 3779 TOC Table of Contents Chapter 1 Introduction sssssssennnneennnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnn ennnen Principles of Operation ssseeeseeeereererereeresrssrerresrsseres GNSS OVELVICW sueneng n E a E Calculating Absolute Positions 0 0 0 eee Calculating Differential Positions Essential Components for Quality Surveying Conclusion rure ro e a E E Ns Receiver Overview ssssssssscssssssesssrssressressesseesssesses Getting Acquainted enana n Battery seasea ie ste Ea E E E Installing Removing the Battery oe GRY RECEIVER eiei pei is EEA ER EAEE S LED Display Panel crisnereniisincrirnii anea Audible Annunciator ssssesesseessesssessessssssssessse Data and Power Ports ssssssessesesssesseresesessesssee External Radio Antenna Connector 00 Connecti seiren orsin aer E VE ES RA EEE E EIRENE SD SDHC and SIM Card Slots oieee Cable erae onr e ee e e E EEE Other ACCESSOrIES ripinti enia oiis Optional ACCESsories sseeeeeseeeereeeereerreresrrrrrreeee Option Authorization File OAF eessesssssssrssesssesee Chapter 2 Pre survey Preparation ccssssseeeseeeseseeeerees Installing Sokkia Software eeeeeeeeeeese
31. Status F Serial Port Position Status Eee ails Figure 1 5 GRX1 LED Display Panel Available Power Bar indicates the remaining battery charge or voltage e Green indicates greater than 50 e Yellow indicates greater than 25 e Red indicates greater than 10 e Red blink indicates less than 10 When GRX1 uses an external power supply e Green indicates greater than 8V e Yellow indicates greater than 7 25V e Red indicates greater than 6 5V e Red blink indicates less than 6 5V 1 12 GRX1 Operator s Manual GRX1 Receiver Battery Status LEDs indicate an available battery and the usage condition e Green only battery is available e Red only external power is available e Amber battery and external power are available Satellite Tracking Bar indicates the number of satellites tracked e Green indicates greater than 8 satellites e Yellow indicates 6 or 7 satellites e Red indicates 4 or 5 satellites e Red blink indicates 3 2 1 satellites Position Status LEDs indicate the current type position computed e Green Single or Fixed Position e Amber DGPS or Float RTK e Red Integer RTK Memory Capacity Bar indicates a percentage of available space in the memory e Green indicates greater than 50 e Yellow indicates greater than 25 e Red indicates greater than 10 e Red blink indicates greater than 0 e Green Yellow Red blink 0 or memory card is not
32. a stream Link Rate dependence on the modulation and the space value is presented in Table 3 1 Table 3 1 Link Rate vs Modulation and Space Value Modulation Space Values 12 5 kHz 25 kHz DBPSK Differential Binary 4 8 kbps 9 6 kbps not recommended Phase Shift Keying DQPSK Differential Quadrature 9 6 kbps 19 2 kbps Phase Shift Keying D8PSK Eight Phase Shift Keying 14 4 kbps 28 8 kbps not recommended 16QAM Sixteen Quadrature 19 2 kbps 38 4 kbps not recommended Amplitude Modulation GMSK Minimal Shift Keying 4 8 kbps 9 6 kbps with Gaussian Filtering 4FSK Four Level Frequency 9 6 kbps 19 2 kbps not supported at Shift Keying this time When finished configuring the radio modem always disconnect from GRX Utility before exiting to prevent conflicts with serial port management If needed launch GRX Utility and set up the receiver to run as an RTK Base station or RTK Rover Configuring the Receiver The GRX1 can be configured in several ways for collecting data for RTK or post processing e A static Base station collects measurement information and saves this data to its internal memory 3 8 GRX1 Operator s Manual Configuring the Receiver e An RTK Base station collects measurement information determines differential corrections and transmits them to the RTK Rover s e A static Rover collects observation data from the same satellites during the same time inter
33. angles 1 6 GRX1 Operator s Manual Getting Acquainted e Setting different survey parameters e Static or dynamic modes Getting Acquainted The GRX1 is a 72 channel GPS receiver which includes the following Detachable battery One data port Interface for controlling and viewing data logging External memory card slot Internal radio modem Bluetooth wireless technology module Optional GSM GPRS module Optional CDMA module only with the Digital UHF radio modem P N 7010 0965 1 7 Introduction Battery The GRX1 receiver comes equipped with one detachable battery Figure 1 2 for powering the receiver Figure 1 2 GRX1 Battery Use the BDCS58 chargeable battery for powering the receiver It takes approximately 4 hours to completely charge one battery and 8 hours to charge two batteries using the CDC68 charger 1 Connect the power cable to the charger and plug the charger into the wall outlet 2 Mount the battery in the charger by matching the grooves on the battery with the guides on the charger 1 8 GRX1 Operator s Manual Getting Acquainted Guides Slot 1 Slot 2 Figure 1 3 Insert Battery onto Charger 3 When charging starts the lamp starts blinking 4 The lamp lights when charging is finished 5 Remove the battery and unplug the charger Figure 1 4 Remove Battery P N 7010 0965 1 9 Introduction 2 Slots 1 and 2 The charger starts charging the battery mounted
34. blems The following are some of the most commonly encountered receiver problems The receiver cannot establish a connection to a computer or external controller P N 7010 0965 6 3 Troubleshooting Cable specific problems The cable is not properly plugged in e Check that the cable connector is attached to the correct receiver port e Unplug the cable then securely and properly reconnect it to the receiver e See GRX1 Receiver on page 1 11 and Power Connector on page A 10 for information on the receiver s connectors The cable is damaged Use an undamaged cable Contact your Dealer to replace the cable Generic problems gt The receiver port used for connection is not in Command mode 1 Connect your receiver and a computer using a free port see Connecting the Receiver and a Computer on page 2 9 and start GRX Utility Click Configuration gt Receiver gt Ports 3 Change the Input for the port used for connection to Command The receiver does not lock on to satellites for a long period of time gt The receiver stores an old almanac Update the almanac See Collecting Almanacs and Ephemerides on page 2 13 for details gt The corresponding receiver options may be disabled or expired L1 L2 GPS GLONASS must be on to track satellites e See Managing Receiver Options on page 5 4 for details on how to check current options e Order a new OAF with the d
35. ceiver Memory When using the receiver in static or dynamic applications you may need to know the amount of memory the receiver s 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 receiver s log files These equations are based on the default set of messages e SS the estimated size of one epoch of raw data in the receiver s log file expressed in bytes e N the number of observed satellites per epoch When recording only L1 data SS 183 22 N When recording L1 and L2 data SS 230 44 N Managing Receiver Options The Option Authorization File enables certain functions features and options in the receiver such as the following e the type of signal L1 L1 L2 and so on the receiver processes e the amount of data the receiver stores in the memory e the rate at which data is transmitted or received 5 4 GRX1 Operator s Manual Managing Receiver Options For a complete list of available options and details consult with your Sokkia dealer Checking the Receiver s OAF Use GRX Utility to view the status of the receiver s options 1 Connect your receiver and computer Open GRX Utility See Connecting the Receiver and a Computer on page 2 9 for this procedure 2 Click icon in the main window The Receiver Options dialog box displays that allows the user to view the current authorization optio
36. cified baud rate is incompatible with the baud rates the modem supports The baud rate is the rate at which the receiver transmits differential messages to the modem and vice versa 6 6 GRX1 Operator s Manual Receiver Problems Change the baud rate to that which your modem supports Refer to the modem s manual for information The Base and Rover modems use different radio link parameters Configure the Base and Rover radio modems according to the procedures listed in the applicable section e For details on a UHF radio modem see Configuring a Digital UHF Radio Modem on page 3 5 The distance between the Base and Rover is too far e Close the distance between the Base and Rover e Use repeaters to increase radio coverage gt There may be a source of radio interference that disrupts radio communications e Change the RF channel if possible e Use a spectrum analyzer to detect the radio characteristics of the interfering signal and change your system s configuration accordingly e Remove the source of jamming signal or relocate your radio antennas if possible The receiver does not start logging data The receiver has no SD SDHC installed or the memory option is disabled or expired e Check that the card is properly inserted For details see Installing the Optional SD SDHC and SIM Cards on page 2 3 e Check that the memory option is enabled For details see Checking the Receiver s OAF
37. ck Device gt Disconnect Application Mode gt Collecting Almanacs and Ephemerides Each satellite broadcasts a navigation message that includes the ephemeris parameters of the satellite the almanac and various other information The ephemeris parameters describe the orbital motion of the satellite and are used to predict its location trajectory The almanac gives the approximate orbit course for the transmitting satellite and all other satellites in the same system e GPS and GLONASS satellites broadcast ephemeris data cyclically with a period of 30 seconds P N 7010 0965 2 13 Pre survey Preparation e GPS satellites broadcast almanac data cyclically with a period of 12 5 minutes GLONASS satellites broadcast almanac data cyclically with a period of 2 5 minutes If the receiver has an almanac you can considerably reduce the time needed to search for and lock onto satellite signals The receiver regularly updates the almanac and ephemerides and stores the most recent versions in its Non Volatile Random Access Memory NVRAM Perform the following to collect Alamac and Ephemerides data 1 Set up the receiver in a location with a clear view of the sky 2 Turn on the receiver 3 Wait for about 15 minutes while the receiver collects complete almanac and ephemeris data from the satellites If 15 minutes have passed and the receiver does not oor lock onto satellites clear the NVRAM See Browse for and select the r
38. cuments Desktop My Documents My Computer File name _UNIVERSAL_digest tpo My Network Files of type Options Files tpo Places Open as read only Figure 5 6 Load OAF 4 Sokkia GRX Utility initially checks to see if the file you selected is compatible with the currently connected receiver If the user chose a file not intended for this receiver the Upload OAF dialog window displays an error icon next to the Receiver ID and disables the Upload the File to the Receiver button Upload OAF BEE S Upload OAF D From_GRX1 receiver 8PUEIYWDATC tpo Value FalreceiverID pu Mode Elchecksum 2478 UNIVERSAL E model XX XXXXXX XX Universal Legacy Elchecksum osBe FE pealer Topcon Positioning Systems Inc E Email MTurishcheva topcon com Elsubmittime 2010 01 11 10 33 35 Cipher Digest E comments Topcon Universal File l Dealer Email E SubmitTime Thu Sep 22 05 44 51 2005 Flordero 0030026224 inher Turha Upload the File to the Receiver Figure 5 7 Compatibility Check of OAF 5 Press the Upload the File to the Receiver button to start loading the file 5 6 GRX1 Operators Manual Loading New Firmware 6 Ifan OAF file is uploaded to the receiver the GRX Utility will offer to reset the receiver to put new authorization options into operation see Figure 5 8 Click the Yes button Upload OAF Option Name Result
39. e Communications Port COM1 a 3 a a a ge Fe E Prolific USB to Serial Bridge COM18 3 Prolific USB to Serial Bridge COM19 gt 4 gt Figure 3 2 Select COM Port 5 All internal modems for the GRX 1 are on port C Select the Internal Modem check box and choose ser c Click Connect EA GRX Utility Device View Help Connection Parameters iol x m Connect Using serial Port hd m Port Name COM1 Communications Port COT m Receiver Port M Internal Modem serie w Figure 3 3 Connection Parameters 3 4 GRX1 Operator s Manual Managing the Radio Modem 6 GRX Utilities will search through port speeds and flow settings until it finds the modem Detecting Modem Baud Rate 115200 Bits 8 Stop Bits 1 Parity No parity Cancel Figure 3 4 Detecting Modem When the modem is found GRX Utility will return to the main screen Configuring a Digital UHF Radio Modem To comply with RF exposure requirements Coron maintain at least 25cm between the user and the radio modem 1 On the GRX Utility Main Screen in Modem Managing mode double click on the Settings icon to configure the GRX1 internal modem ER GRX Utility Device View Help A ahehe Terminal Settings 7 Modem Managing Mode Figure 3 5 Modem Managing P N 7010 0965 GRX1 Configuration 2 Ifyou have a Digital UHF modem other name Digital AW401 this sc
40. e When the receiver is purchased a new OAF permanently activates purchased options Receiver options remain intact when clearing the NVRAM or resetting the receiver The OAF enables the following kinds of functions For a complete list of available options and details visit the Sokkia website or consult a Sokkia dealer Type of signal standard L1 optional L2 GPS GLONASS Update rate standard 1Hz optional 5 10 20Hz 50Hz or 100Hz RTK at 1Hz 5Hz 10Hz and 20Hz RTCM CMR Input Output Advanced multipath reduction Wide Area Augmentation System WAAS Receiver Autonomous Integrity Monitoring RAIM P N 7010 0965 1 21 Introduction Notes 1 22 GRX1 Operator s Manual Chapter 2 Pre survey Preparation Before beginning to survey with the GRX1 receiver install the following software charge the battery and apply the following configurations O O Install receiver configuration software See Installing Sokkia Software on page 2 2 Optional install SD SDHC card and or SIM card See Installing the Optional SD SDHC and SIM Cards on page 2 3 Charge the Battery See Charging the Battery on page 2 5 Configure the Bluetooth wireless technology module See Establishing a Wireless Connection on page 2 11 Collect almanacs and ephemerides after first time configuration activities as described in Chapter 3
41. e Input for the serial port used for connection to Command l This is the most common cause for this error Pa message Use GRX Utility to double check the settings for the connection port 6 8 GRX1 Operator s Manual Bluetooth Problems The settings for Port D may have been changed e The settings for Port D are 115200 baud rate 8 data bits 1 stop bit no parity and no handshaking e Try enabling RTS CTS handshaking for Port D Do not change other settings The corresponding receiver options may be disabled or expired serial port D must be enabled e See Managing Receiver Options on page 5 4 for details on how to check current options e Order a new OAF with the required options activated to enable or extend validity of the corresponding receiver options Contact your dealer or visit the Sokkia website for details e Refer to the GRX Utility Reference Manual for a detailed description of options GRX Utility error message Open COM port failed Access is denied Another application uses the computer port dedicated for connection e Close the application then re connect e Connect the receiver via another unused computer port After searching for available devices none are discovered The receiver is not receiving power e Check that the receiver is getting power and is turned on e Check that the power cable is attached to the port marked PWR e Unplug the cable then
42. e receiver connect the receiver and a computer using one of the following methods and start GRX Utility e a Bluetooth enabled external device computer controller e an RS232 cable and a computer controller Once a connection between the receiver and the computer controller has been established you will be able to configure the receiver and its components send commands to the receiver download files from the receiver s memory as well as upload new firmware using GRX Utility upload an OAF and upload configuration files to the receiver P N 7010 0965 2 9 Pre survey Preparation Establishing an RS232 Cable Connection To establish a connection to a receiver take the following steps 1 Press the power buttons on the receiver and computer to turn them on 2 Using the RS232 cable connect the serial port of the computer usually COM1 to the receiver s serial port 3 Run GRX Utility Click Device gt Application mode and select Receiver Managing mode This mode allows the computer controller to detect the device connected to the port View Help Connect Setup MEENE Simple Terminal Receiver Managing Modem Managing Exit 5 Click Device gt Connect The Connection Parameters dialog box displays To establish a connection between the computer controller and the receiver press the Connect button When detecting the receiver the Detecting Receiver dialog box displays Connection Parame
43. eceiver Port T External Receiver serja z 5 Receiver Managing Mode Figure 3 9 Connection Parameters Once a GRX Utility connection with the receiver has been established the Tools become active Figure 3 10 Device View Help a Y ARBHCP Terminal Information Options et A R wm Firmware Tools Receiver Settings pt Status File Explorer Receiver Managing Mode Figure 3 10 GRX Utility Connection Established P N 7010 0965 3 11 GRX1 Configuration 7 Select Receiver Settings icon Then use the Receiver Settings icons to configure the connected receiver Device View Help Tracking Positioning Power Auto Seed Bluetooth Receiver Managing Mode Figure 3 11 Receiver Settings 8 Click the Tracking icon and set the antenna type used with the connected receiver Figure 3 12 Tracking Options a Antenna obs adv Current Input internal 5 Tracking Figure 3 12 Set Antenna Usage 9 Click the Observation tab and set the Elevation mask to 15 degrees for satellites tracking and position computation 3 12 GRX1 Operator s Manual Configuring the Receiver Figure 3 13 also the PDOP mask for position computation then click OK Tracking Gptions E Antenna Obs Adv Elevation Mask deg r Satellites Tracking 3 13 Position Computation PDOP mask For position computation Figure 3 13 Confi
44. eceiver board s RAM file and Flash file on page 5 8 for details You will need to collect or update the almanac and ephemerides under the following circumstances e If the receiver has been off for a long time e If the last known receiver position stored in the NVRAM is different from the present position by several hundred kilometers e After loading a new OAF e After loading new firmware e After clearing the NVRAM e Before surveying 9 14 GRX1 Operator s Manual Chapter 3 GRX1 Configuration Both Base and Rover receivers must be configured according to the survey method needed e In applications where real time positioning results are required the Base receiver provides the correction information needed to properly measure the location of the Rover receiver A Base station is normally set up over a known point and collects GPS GLONASS data from satellites As the receiver picks up satellite data it measures the carrier and code phases to accurately compute and verify its location Then the receiver transmits this information via radio UHF GSM GPRS or CDMA to the Rover receiver e The Rover receiver applies correction information from the Base station to its current location to accurately calculate one or more points Rovers are mobile GPS receivers on a survey pole or bipod that compares the information from the Base station to the data it logs from satellites and applies correction algorithms to accura
45. efore recharging 1 Remove the battery from the receiver and insert them into the charger 2 Connect the power cable to the power supply unit P N 7010 0965 2 5 Pre survey Preparation 3 Plug the power supply to an available outlet Leave for approximately 2 5 hours to fully charge the one battery 4 Charger LED RED blink indicates under power supply and Green indicates full charge Using the Detachable Battery The GRX1 receiver uses one detachable rechargeable lithium ion battery It also contains an internal backup battery which maintains internal RTC The backup battery is automatically charged from the main battery The battery is capable of running for more than 7 5 hours on a single charge only static observation The battery compartment door provides access to the main battery The receiver can also be powered using an external power source Attaching or Detaching the Battery To detach the battery 1 Turn the GRX1 over 2 Push battery button on both sides of the battery compartment cover and lift battery cover Push the center of the battery cover lightly to easily lift the battery cover Press and Hold Both Battery Compartment Buttons One on Each Side Figure 2 4 Remove Battery Compartment Cover 2 6 GRX1 Operator s Manual Charging the Battery 3 Slide the battery to the right and separate the battery from connector Slide Ba
46. en ehtojen mukainen Svenska Harmed intygar Sokkia att denna GRX1 star Swedish verensst mmelse med de v sentliga egenskapskrav och vriga relevanta best mmelser som framg r av direktiv 1999 5 EG WEEE Directive Following information is for EU member states only The use of the symbol below indicates that this product may not be treated as household waste By ensuring this product is disposed of correctly you will help prevent potential negative consequences for the environment and human health which could otherwise be caused by inappropriate waste handling of this product For more detailed information about the take back and recycling of this product please contact your supplier where you purchased the product or consult c 8 GRX1 Operator s Manual Appendix D Warranty Terms Sokkia laser and electronic positioning equipment are guaranteed against defective material and workmanship under normal use and application consistent with this Manual The equipment is guaranteed for the period indicated on the warranty card accompanying the product starting from the date that the product is sold to the original purchaser by Sokkia s Authorized Dealers During the warranty period Sokkia will at its option repair or replace this product at no additional charge Repair parts and replacement products will be furnished on an exchange basis and will be either reconditioned or new This limited warranty does not
47. esired options activated to enable or extend validity of the corresponding receiver 6 4 GRX1 Operator s Manual Receiver Problems options Contact your dealer or visit the Sokkia website for details e Refer to the GRX Utility Reference Manual for a detailed description of options The receiver tracks too few satellites The survey is conducted near obstructions tree canopy tall buildings and so forth e Check that the Multipath Reduction boxes have been enabled 1 Connect your receiver and a computer and start GRX Utility See Connecting the Receiver and a Computer on page 2 9 2 Click Configuration gt Advanced and the Multipath Reduction tab Enable the two boxes and click Apply e Move to an area free of obstructions if applicable The receiver cannot obtain Code Differential and or RTK solutions Incorrect Base coordinates entered Specify the correct coordinates for the Base station using GRX Utility or another suitable field data collection software gt The receiver is not configured as a Base or Rover e If the receiver should function as a Base ensure it has the proper configuration See Chapter 3 for details e If the receiver should function as a Rover ensure it has the proper configuration See Chapter 3 for details gt The corresponding receiver options may be disabled or expired e See Managing Receiver Options on page 5 4 for details on how to check current options e
48. et of Sokkia and are developed by the expenditure of considerable work time and money and are the result of original selection coordination and arrangement by Sokkia P N 7010 0965 V Preface TRADEMARKS GRX1 Spectrum Survey Office Spectrum Link Spectrum Survey Field SHC2500 and GRX Utility are trademarks or registered trademarks of Sokkia Windows is a registered trademark of Microsoft Corporation The Bluetooth word mark and logos are owned by Bluetooth SIG Inc and any use of such marks by Sokkia is used under license Other product and company names mentioned herein may be trademarks of their respective owners DISCLAIMER OF WARRANTY EXCEPT FOR ANY WARRANTIES IN AN APPENDIX OR A WARRANTY CARD ACCOMPANYING THE PRODUCT THIS MANUAL AND THE RECEIVER ARE PROVIDED AS IS THERE ARE NO OTHER WARRANTIES SOKKIA DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR USE OR PURPOSE SOKKIA AND ITS DISTRIBUTORS SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING PERFORMANCE OR USE OF THIS MATERIAL OR THE RECEIVER SUCH DISCLAIMED DAMAGES INCLUDE BUT ARE NOT LIMITED TO LOSS OF TIME LOSS OR DESTRUCTION OF DATA LOSS OF PROFIT SAVINGS OR REVENUE OR LOSS OF THE PRODUCT S USE IN ADDITION SOKKIA IS NOT RESPONSIBLE OR LIABLE FOR DAMAGES OR COSTS INCURRED IN CONNECTION WITH OBTAINING
49. f Conformity with Regard to the R amp TTE Directive 1999 5 EC rrecn nea vont ndeenteva ved C 6 WEEE Directive i3 ies aiie esata nea a a C 8 Appendix D Warranty Terms ccciiciiacienscsastidactatcecietidentatanteeans D 1 iv GRX1 Operator s Manual Preface Preface Thank you for purchasing this Sokkia product The materials available in this Manual the Manual have been prepared by Sokkia for owners of Sokkia products and are designed to assist owners with the use of the receiver and its use is subject to these terms and conditions the Terms and Conditions gt Please read these Terms and Conditions carefully Terms and Conditions USE This product is designed to be used by a professional The user should have a good knowledge of the safe use of the product and implement the types of safety procedures recommended by the local government protection agency for both private use and commercial job sites COPYRIGHT All information contained in this Manual is the intellectual property of and copyrighted material of Sokkia All rights are reserved Do 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 Sokkia s express written consent and may only use such information for the care and operation of your receiver The information and data in this Manual are a valuable ass
50. ference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Move the equipment away from the receiver e 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 C 2 GRX1 Operator s Manual a Canadian Emission Labeling Requirements Any changes or modifications to the equipment not expressly approved by the party responsible for compliance could void your authority to operate such equipment Federal Communication Commission Declaration of Conformity DoC Statement C Model No GRX1 Trade Name Sokkia Responsible Party Topcon Positioning Systems Inc 7400 National Drive Address Livermore CA 94550 Telephone No 925 245 8300 Canadian Emission Labeling Requirements This equipment complies with IC radiation exposure limits set forth for uncontrolled equipment and meets RSS 102 of the IC radio frequency RF Exposure rules This equipment has very low levels of RF energy that it deemed to comply wit
51. fferential corrections or if none of the ports has been configured to receive differential corrections the Link Quality field will either be empty or it will show 100 Data Link Svs List Sky P Data Link 1 Data Link Identifier serjd Decoder RTCM 3 0 Ref Station 0000 Link Quality 100 DLink Delay 1 Received Messages 380 Corrupt Messages O0 Figure 3 18 Status Data Link 16 Continue with other configuration activities or click Device gt Disconnect then Device gt Exit to quit GRX Utility Disconnecting before exiting ensures proper port management Disconnect the receiver from GRX Utility before a gt exiting to eliminate possible conflicts with the management of the computer s serial ports Sokkia s configuration and surveying software Spectrum Survey Field also has the ability to configure Sokkia receivers Refer to the Spectrum Survey Field Reference Manual or Spectrum Survey Field User s Manual for details 3 18 GRX1 Operator s Manual Chapter 4 GRX1 Receiver Setup After receiver survey configuration set up each receiver measure its height and begin surveying The LED Display Panel provides quick access for logging data changing receiver modes and viewing general data logging and satellite information during a survey Receiver Setup A typical GPS survey system consists of a Base station set up over a known point and a Rover receiver set up to be a mobile data collector
52. first If you place two batteries in the charger the battery in slot 1 is charged first and then the battery in slot 2 Charging lamp ar is off when the ch i bald e charging lamp is off when the charger is outside the charging temperature range or when the battery is mounted incorrectly If the lamp is still off after the charger falls within its charging temperature range and the battery is mounted again contact your local dealer a5 Charging time per battery at 25 C e BDC58 about 4 hours Charging can take longer than the times stated above when temperatures are either especially high or low Installing Removing the Battery Mount the charged battery e Before removing the battery turn off the power to the instrument If the battery is removed while the power is switched on a warm boot occurs File and folder data may be lost as a result e When installing removing the battery make sure that moisture or dust particles do not come in contact with the inside of the instrument e Remove batteries from the surveying instrument or charger before putting into storage 1 10 GRX1 Operator s Manual GRX1 Receiver e Store the battery in a dry room where the temperature is within the following ranges For long term storage the battery should be charged at least once every six months Table 1 1 Battery Storage Time Storage Period Temperature 1 week or less 20 C to 50 C 1 week to 1
53. from improper removal of the card Once the receiver is turned on the receiver board will detect the SD SDHC card and it will be ready to use as needed To install the SIM card Figure 2 3 The SIM card must support Circuit Switched Data to communicate directly between receivers The SIM card must have GPRS or EDGE support to communicate with a GPS Network IP address receivers you must install a SIM card with a Circuit Switch Data plan and have subscriptions to the same service provider for proper data communication For direct communication between Base and Rover 1 Ensure the receiver is turned off 2 Remove the battery 3 If needed snap the SIM card into its holder 9 4 GRX1 Operator s Manual Charging the Battery 4 Carefully insert the holder label side down into the SIM card slot located at the top of the battery pocket Figure 2 3 Install SIM Card Once the receiver is turned on the receiver board will detect the SIM card and it will be ready to use as needed Charging the Battery To charge the battery use the included charger It takes approximately 4 hours to completely charge one battery and 8 hours to charge two batteries The battery is shipped from the factory without NOTE power Fully charge the Battery before surveying The Li Ion batteries used in the battery packs should run at no less than 80 capacity after 500 charging cycles These batteries do not need to be drained b
54. gure 3 15 on page 3 15 then click OK e Enable Auto Seed not recommended for survey users when selected enables the Auto Seed functionality for the base receiver Auto seed feature will provide users the ability to quickly setup and begin RTK operations without using an external interface to localize the base receiver The user will simply set up over a mark and power up The base receiver will automatically select a new position gathered by autonomous averaging and save it for later re occupation e Maximum distance if the point has been previously occupied and the receiver position falls within proper tolerance it will select a point from positions stored in memory e Enable averaging mode select to enable averaging autonomous positions for a occupation point with the interval set in the Position averaging interval field in seconds 3 14 GRX1 Operator s Manual Configuring the Receiver Auto Seed Auto Seed Fi Enable averaging mode Position averaging interval 180 s View the point list Figure 3 15 Base Configuration e Click View the point list to open a list of previous occupations saved in the receiver memory This Auto Seed Point List contains information about all occupations which stored in the receiver memory names date and time coordinates of phase center and or antenna reference point whether the point was auto determined and protected from deleting For details on configuring the Auto Seed
55. gure Receiver Positioning Elevation Mask 10 Click the Advanced tab Set the following parameters and click OK Figure 3 14 on page 3 14 e Anti jamming if available for the connected receiver enables suppression of narrow band interference for GPS GLONASS L1 L2 signals for auto detected or manually selected bands affected by interference e C A code multipath reduction when selected enables the use of a special signal processing technique for reduction of C A code phase multipath e C A carrier phase multipath reduction when selected enables the use of a special signal processing technique for reduction of C A carrier phase multipath e Cinderella when selected enables the Cinderella option which sets all receiver options to their maximum allowable values for 24 hours every other Tuesday at GPS midnight e Static Co Op tracking when selected allows only the static receiver to use satellites with lower signal to noise ratios Use only if the receiver s antenna remains completely stationary throughout the survey Any movement may result in losing the satellite lock P N 7010 0965 3 13 GRX1 Configuration Tracking Options E Antenna Obs Adv Anti jamming ae M C4 carrier phase multipath reduction F Cinderella F Static Co Op tracking Figure 3 14 Configure Advanced Parameters 11 For the Base receiver click the Auto Seed icon and set the following parameters Fi
56. h a low noise amplifier LNA and the receiver s radio frequency RF device are connected with a co axial cable The wide band signal received is down converted filtered digitized and assigned to different channels The receiver processor controls the process of signal tracking Once the signal is locked in the channel it is demodulated and necessary signal parameters carrier and code phases are measured Also broadcast navigation data are retrieved from the navigation frame After the receiver locks on to four or more satellites its absolute position in WGS 84 and the time offset between the receiver clock and GPS time are computed This information and the measurement data can be stored in the optional SD card and downloaded later onto a computer then processed using a post processing software package When the receiver operates in RTK mode raw data measurements can also be recorded into the receiver s internal memory This allows the operator to double check real time results obtained in the field Depending on your options capabilities of the receiver include e Satellite based augmentation systems WAAS EGNOS and so forth e Adjustable phase locked loop PLL and delay lock loop DLL parameters e Dual or multi frequency modes including static kinematic real time kinematic RTK and differential GPS DGPS survey modes DGPS modes include static kinematic and RTK e Auto data logging e Setting different mask
57. hout maximum permissive exposure evaluation MPE But it is desirable that it should be P N 7010 0965 Regulatory Information installed and operated with at least 20cm and more between the radiator and person s body excluding extremities hands wrists feet and ankles 1 Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device 2 To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that permitted for successful communication 3 This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte conform a la norme NMB 003 du Canada IC RF Radiation Exposure Statement This installer of this device must ensure that the antenna is located or pointed such that it dose not emit RF field in excess of Health Canada limits for the general population consult Safety Code 6 obtainable from Health Canada s website at www hc sc gc ca rpb IC Additional statement with Detachable Antennas This device has been designed to operate with the antennas listed below and having a maximum gain of 2 4dB Antennas not included in this or having a gain greater than
58. how the receiver will behave At each time interval the receiver issues voice messages or sounds to guide you through the process 1 14 GRX1 Operator s Manual GRX1 Receiver Table 1 2 Number of Action Seconds Description Turn On 1 second Press the button for more than 3 second and release to turn on the receiver The battery life gauge indicates the progress of the startup sequence After startup approximately 20 seconds the battery life gauge indicators will turn off for a short period and you will hear the Receiver Ready message or sound that indicates that the system is operational Note It is normal for the receiver health indicator LEDs to illuminate during startup Turn Off greater than 3 Press the button for 3 seconds to 10 seconds and seconds and or until you hear the less than 10 Power Off message or sound and seconds the top three battery life gauge LEDs illuminate Factory greater than 10 With the receiver on press the reset seconds and button for 10 seconds to 20 seconds less than 20 until you hear the Factory Reset seconds message or sound and the top three LEDs on the battery life satellite tracking and memory gauges illuminate Release the button to reset all stored parameters on the receiver to their default values Note This action is irreversible P N 7010 0965 1 15 Introduction Table 1 2 Number of Action Seconds Description
59. ill have to return the unit to your Dealer for Service ly Do not attempt to use 115200 as this will cause the Flow Control controls the flow of data between the receiver and modem Enables software hardware flow control Modulation selects a modulation type for the base radio modem For most applications the recommended setting is GMSK Select either DBPSK if using the Simplex protocol or GMSK if using Trimble or PDL Protocol sets the protocol for data transmission Select Simplex GMSK proprietary protocol to work with Digital UHF compatible modems Note that the same protocol must be used for both the base and rover to communicate properly Repeater enables retransmission in the wireless cluster Simplex only Power sets the transmission power for the base radio modem from 10 mW to 1W Space sets the channel step Channel assigns an operating channel to the radio modem Each channel uses a unique communication frequency Select the desired frequency from the channel list Note that the same channel must be used for both the base and rover to communicate properly Scrambler provides more robust data communication over high interference areas must be used with GMSK P N 7010 0965 3 7 GRX1 Configuration e FEC Forward Error Correction Enable to maximize data communication The rover radio modem has the capability to check and correct transmission errors if any in an incoming dat
60. include 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 Sokkia warranty service dealer If this product is delivered by mail purchaser agrees to insure the product or assume the risk of loss or damage in transit to prepay shipping charges to the warranty service location and to use the original shipping container or equivalent A letter should accompany the package furnishing a description of the problem and or defect The purchaser s sole remedy shall be replacement as provided above In no event shall Sokkia be liable for any damages or other claim including any claim for lost profits lost savings or other incidental or consequential damages arising out of the use of or inability to use the product 1 The warranty against defects in a Sokkia battery charger or cable is 90 days P N 7010 0965 D 1 Warranty Terms Notes D 2 GRX1 Operator s Manual ANSI RAB QMS ISO 9001 2000 FM 68448 GRX1 Operator s Manual P N 7010 0965 RevA 1 10 2010 Topcon Positioning Systems Inc Concerns regarding this Sokkia product may be sent to Service and Repair Department Topcon Positioning Systems Inc 7400 National Drive Livermore California 94550 All rights reserved No unauthorized duplication
61. its most traditional approach one receiver is placed at a known surveyed location and is referred to as the reference receiver or base station Another receiver is placed at an unknown location and is referred to as the remote receiver or rover The reference P N 7010 0965 1 3 Introduction station collects the code phase and carrier phase measurements from each GNSS satellite in view e For real time applications these measurements and the reference station coordinates are then built up to the industry standard RTCM or various proprietary standards established for transmitting differential data and broadcast to the remote receiver s using a data communication link The remote receiver applies the transmitted measurement information to its observed measurements of the same satellites e For post mission applications the simultaneous measurements from reference and rover stations are normally recorded to the receiver s internal memory not sent over communication link Later the data are downloaded to computer combined and processed Using this technique the spatially correlated errors such as satellite orbital errors ionospheric errors and tropospheric errors can be significantly reduced thus improving the position solution accuracy A number of differential positioning implementations exist including post processing surveying real time kinematic surveying maritime radio beacons geostationary satellites as with the
62. kkia dass sich das Ger t GRX1 in bereinstimmung mit den grundlegenden Anforderungen und den brigen einschl gigen Bestimmungen der Richtlinie 1999 5 EG befindet K esolevaga kinnitab Sokkia seadme GRX1 vastavust direktiivi 1999 5 EU p hin uetele ja nimetatud direktiivist tulenevatele teistele asjakohastele s tetele Hereby Sokkia declares that this GRX1 is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC Por medio de la presente Sokkia declara que el GRX1 cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999 5 CE ME THN NAPOYZA Topcon Positioning Systems Inc AHAQNEI OTI GRX1 ZYMMOPOQNETAI NPOX TIZ OYZIQAEIZ ANAITHZEIZ KAI TIZ AOINEZ ZXETIKES AIATA EIZ THE OAHIIAZ 1999 5 EK Par la pr sente Sokkia d clare que l appareil GRX1 est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 1999 5 CE GRX1 Operator s Manual Lt Italiano Italian a Latviski Latvian Lietuvi Lithuanian Nederlan ds Dutch Lmt Malti Maltese Le JMagyar Hungarian Le Polski Polish Let Portugu S Portugues ss lovensk o Slovenian Lals lovensy Slovak P N 7010 0965 Declaration of Conformity with Regard to the R amp TTE Directive Con la presente Sokkia dichiara che questo GRX1 conforme ai requisiti essenzia
63. li ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999 5 CE Ar o Sokkia deklar ka GRX1 atbilst Direktvas 1999 5 EK btiskajm prasbm un citiem ar to saisttajiem noteikumiem iuo Sokkia deklaruoja kad is GRX1 atitinka esminius reikalavimus ir kitas 1999 5 EB Direktyvos nuostatas Hierbij verklaart Sokkia dat het toestel GRX1 in overeenstemming is met de essenti le eisen en de andere relevante bepalingen van richtlijn 1999 5 EG Hawnhekk Sokkia jiddikjara li dan GRX1 jikkonforma mal tiijiet essenzjali u ma provvedimenti orajn relevanti li hemm fid Dirrettiva 1999 5 EC Alul rott Sokkia nyilatkozom hogy a GRX1 megfelel a vonatkoz alapvet6 k vetelm nyeknek s az 1999 5 EC ir nyelv egy b el r sainak Niniejszym Sokkia deklaruj e GRX1 spenia wymagania zasadnicze oraz stosowne postanowienia zawarte Dyrektywie 1999 5 EC Sokkia declara que este GRX1 est conforme com os requisitos essenciais e outras disposi es da Directiva 1999 5 CE Sokkia izjavlja da je ta GRX1 v skladu z bistvenimi zahtevami in ostalimi relevantnimi doloili direktive 1999 5 ES Sokkia t mto vyhlasuje e GRX1 spa z kladn po iadavky a v etky pr slu n ustanovenia Smernice 1999 5 ES Regulatory Information Js uomi Sokkia vakuuttaa t ten ett GRX1 tyyppinen Finnish laite on direktiivin 1999 5 EY oleellisten vaatimusten ja sit koskevien direktiivin muid
64. llows the user to reset the receiver and to clear the NVRAM Tools Reset Receiver Clear NYRAM 6 After clearing NYRAM the receiver will require some time to re collect data needed to track satellites Continue Yes No Figure 5 11 Tools Dialog Box 3 Click the Clear NVRAM button and click Yes button to continue this procedure P N 7010 0965 5 9 Receiver and File Maintenance Notes 5 10 GRX1 Operator s Manual Check This First Troubleshooting This chapter will help you diagnose and solve some common problems you may encounter with your receiver Do not attempt to repair equipment yourself Doing fh so will void your warranty and may damage the hardware Check This First Before contacting Sokkia support check the following e Check all external receiver connections carefully to ensure correct and secure connections Double check for worn or defective cables e Check all power sources for a drained battery or incorrectly connected battery cables e Check that the most current software is downloaded onto the computer and that the most current firmware is loaded into the receiver Check the Sokkia website for the latest updates Then try the following e Reset the receiver using GRX Utility Tools gt Reset receiver e Restore default settings using GRX Utility Configuration gt Receiver then click Set all para
65. ly allow authorized Sokkia warranty service centers to service or repair this product P N 7010 0965 B 3 Safety Warnings Notes B 4 GRX1 Operator s Manual Appendix C Regulatory Information The following sections provide information on this product s compliance with government regulations for use UHF Radio Usage me Using a UHF radio requires a license Operating a UHF radio without a license may result in fines or other penalties Be sure you comply with all local laws before operating a UHF radio Contact your local authorities such as the FCC in the United States for details Surveying in RTK mode has made UHF the most popular choice for communications between Base and Rover receivers Know the strengths and weaknesses of this technology to get the best use out of your receiver The quality and strength of the UHF signals translates into range for UHF communications 1 The system s range will greatly depend on the local conditions Topography local communications and even meteorological conditions play a major role in the possible range of RTK communications If needed use a scanner to find clear channels 2 The system s range will increase by adjusting the Base station s antenna using the following methods e Ensure the Base radio has a fully charged battery e Use directional antennas and or repeaters to increase
66. meters to defaults e Clear the NVRAM see Browse for and select the receiver board s RAM file and Flash file on page 5 8 e Initialize the file system click Tools gt Initialize file system This will erase all files inside the SD SDHC card in receiver If the problem persists see the following sections for other solutions P N 7010 0965 6 1 Troubleshooting Troubleshooting Quick List For receiver power issues If The receiver does not power up see page 6 3 For receiver issues If The receiver does not lock on to satellites for a long period of time see page 6 4 If The receiver tracks too few satellites see page 6 5 If The receiver cannot obtain Code Differential and or RTK solutions see page 6 5 If The receiver does not start logging data see page 6 7 For Bluetooth connection issues If GRX Utility error message Can t find receiver see page 6 8 If GRX Utility error message Open COM port failed Access is denied see page 6 9 If GRX Utility error message Open COM port failed Access is denied see page 6 9 If After searching for available devices none are discovered see page 6 9 If Can see the icon for the receiver s Bluetooth module on the computer screen but cannot connect to it see page 6 10 For modem issues If GRX Utility cannot connect to the receiver see page 6 10 Powering Problems All receivers are p
67. mpact receiver for the surveying market The receiver is a multi function multi purpose receiver intended for precision markets The GRX1 can receive and processes multiple signal types including the latest GPS L1 L2 C A L2C GLONASS L1 L2 C A signals improving the accuracy and reliability of the survey points and positions especially under difficult jobsite conditions The multifrequency and GNSS features of the receiver combine to provide a positioning system accurate for any survey Several other features including multipath mitigation provide under canopy and low signal strength reception The receiver provides the functionality accuracy availability and integrity needed for fast and easy data collection Figure 1 1 GRX1 Receiver P N 7010 0965 1 1 Introduction Principles of Operation Surveying with the right GPS receiver can provide users accurate and precise positioning a requirement for any surveying project This section gives an overview of existing and proposed Global Navigation Satellite Systems GNSS and receiver functions so that basic operating principles can be applied GNSS Overview Currently the following two global navigation satellite systems GNSS offer line of site radio navigation and positioning velocity and time services on a global all weather scale to any user equipped with a GNSS tracking receiver on or near the Earth s surface e GPS the Global Positioning System maintained and
68. ns and upload new ones E Receiver Options Option Name Current Purch Leased Exp Date Yes No Yes 1 14 2010 Yes No Yes 1 14 2010 Yes No Yes 1 14 2010 Yes No Yes 1 14 2010 a Cinderella Yes No Yes 1 14 2010 fa Position Update Rate Hz 100 Disabled 100 1 14 2010 fa Raw Data Update Rate Hz 100 Disabled 100 1 14 2010 fa Code Differential Base Yes No Yes 1 14 2010 fa Code Differential Rover Yes No Yes 1 14 2010 a RTK Base Yes No Yes 1 14 2010 fa RTK Rover Hz 100 Disabled 100 1 14 2010 fa Memory MB Not supported 0 6 144 1 14 2010 Co op Tracking Yes No Yes 1 14 2010 fa 1 PPS Timing Signal Double No Double 1 14 2010 fa Event Markers Single No Single 1 14 2010 fa In Band Int Rejection Not supported Disabled Enabled Outside USA 1 14 2010 21 Maltin sth Deduction Vee loc 1iatonin v Refresh Save to File Figure 5 5 Receiver Options Loading an OAF Sokkia dealers provide customers with OAF files For any OAF related questions e mail Sokkia at options sokkia com and include the receiver s ID number see the bottom of the receiver for the ID 1 To load a new OAF follow steps one and two in Checking the Receiver s OAF on page 5 5 P N 7010 0965 5 5 Receiver and File Maintenance 2 Click Upload OAF the bottom of the Receiver Options dialog box see Figure 5 5 3 Navigate to the location of the new Option Authorization File select the appropriate file and click Open Figure 5 6 My Recent Do
69. nternal Battery Built in detachable replaceable Controller External Mounting 5 8 11 quick release Seals Silicon P N 7010 0965 A 1 Specifications Table A 1 Receiver General Specifications Continued Keys One key Power On Off LEDs 22 LEDs Environment Operating temperature Receiver Health Scheduler Status Available Power Bar Battery Status Satellite Tracking Bar Position Status Memory Capacity Bar File Status Wireless Status Radio Status Serial Port Status 20 to 65 C Battery 40 to 65 C Ext 20 to 55 w UHF modem module Storage temperature Humidity 45 C to 70 C 100 condensing Water Dust proof Power Built in battery IP67 with all connector caps closed BDCS58 Li ion 4 300mAh Typical 7 2VDC Battery weight 195g Battery charging 4 hours time Operating time Over 7 5 hours 20C Only static tracking w BT External power 1 port Input voltage 6 7 to 18VDC Consumption 4W w o UHF modem Battery charge Use CDC68 GRX1 Operator s Manual Receiver Specifications Table A 1 Receiver General Specifications Continued On board Backup battery for NVRAM and RTC storage Operation for approximately 100 days 1 0 Communication Bluetooth x 2 channel no UHF mode Ports RS 232C x 1 Port specifications COMI 4 800 to 115 200 bps RS Level 115 200bps default Bluetooth
70. ntial Information are the confidential and proprietary information of Sokkia You agree to treat Sokkia s Confidential Information with a degree of care no less stringent that the degree of care you would use in safeguarding your own most valuable trade secrets Nothing in this paragraph shall restrict you from disclosing Confidential Information to your employees as may be necessary or appropriate to operate or care for the receiver Such employees must also keep the Confidentiality Information confidential In the event you become legally compelled to disclose any of the Confidential Information you shall give Sokkia immediate notice so that it may seek a protective order or other appropriate remedy WEBSITE OTHER STATEMENTS No statement contained at the Sokkia website or any other website or in any other advertisements or Sokkia literature or made by an employee or independent contractor of Sokkia modifies these Terms and Conditions including the Software license warranty and limitation of liability SAFETY Improper use of the receiver can lead to injury to persons or property and or malfunction of the product The receiver should only be repaired by authorized Sokkia warranty service centers Users should review and heed the safety warnings in an Appendix MISCELLANEOUS The above Terms and Conditions may be amended modified superseded or canceled at any time by Sokkia The above Terms and Conditions will be governed by and con
71. ny problems with the receiver see Check This First on page 6 1 for some solutions that may fix the issue Phone To contact Sokkia Customer Support by phone call e 1 800 4 Sokkia or 1 800 476 5542 e 1 866 4 Topcon or 1 866 486 7266 To contact Sokkia Customer Support via e mail use one of the following electronic mail addresses Table 6 1 Table 6 1 Technical Support E mail For Questions Related To Use Hardware receivers antennas firmware support topcon com GNSS support topcon com OAF support topcon com RTK support topcon com GRX Utility support topcon com If in doubt support topcon com For quick and effective support provide a detailed description of the problem When e mailing Sokkia customer support provide the following information for better faster service 1 The receiver model and configuration settings In GRX Utility click Help gt About and click Save to file Enter a name for the file and save it to your computer Attach this file to the e mail 6 12 GRX1 Operator s Manual Obtaining Technical Support 2 The system hardware specifications for the computer running GRX Utility such as operating system and version memory and storage capacity processor speed and so forth 3 The symptoms and or error codes messages that precede and follow the problem 4 The activities being tried when the problem occu
72. oint_5 9 879 Refresh Initialize File System Mr Ooo File System Info 3 My Computime Mp ate Fie nam Pot x Save as ype TPS Faes tps Figure 5 2 Download a File 5 2 GRX1 Operator s Manual Deleting Files from the Receiver Using GRX Utility 4 When the process of transferring the file s from the receiver to the computer begins the Downloading window displays the download in progress E Downloading BEE Progress Point_1 Elapsed Time 00 00 06 Time Left 00 00 34 Cancel Figure 5 3 Downloading in Progress Deleting Files from the Receiver Using GRX Utility To delete files from your receiver perform steps land 2 described in Downloading Files to a Computer on page 5 1 Then highlight a desired file in the File Explorer dialog box right click and select Delete from the pop up menu Click the Yes button to confirm of deletion File Explorer Fies Logs 10 01 20 AM GRX Utillity 9 58 08 AM Download 10 03 12 AM 11 09 24 AM 11 23 38 AM jJ Confirm deletion Refresh Initialize File System File System Info Figure 5 4 Deletion of a File P N 7010 0965 5 3 Receiver and File Maintenance Using the Power Button to Deleting Files All files stored on SD SDHC card are deleted when the power button is pressed for 20 seconds and released in less than 25 seconds see erase memory description in Table 1 2 on page 1 15 Managing Re
73. ooth Module Specifications Range Up to 10 m indoor up to 50m outdoor Type Class 1 Service classes Miscellaneous Supported profiles SPP Frequency Country North America and Europe Code Internal Sokkia UHF Modem General Specification Details Table A 4 lists the Digital UHF modem s general specifications Table A 4 GRX1 Digital UHF Modem General Specifications Parameter Specification Operating frequency range country region purpose dependent 410 470 MHz Modulation techniques GMSK DBPSK and DQPSK Channel spacing 12 5 kHz 25 kHz Transmission rates at 25 kHz spacing e GMSK DBPSK 9600 bps e DQPSK 19200 bps Transmission rates at 12 5 kHz spacing GMSK DBPSK 4800 bps DBPSK 9600 bps Data speed of serial interface Max 115200 bps Forward Error Correction Available Scrambling Available Communication mode Half Duplex P N 7010 0965 A 7 Specifications Optional GSM GPRS Module Details Table A 5 lists the internal general specifications for the internal modem connection for an optional GSM GPRS module Table A 5 GMS GPRS Module Specifications General Operating systems EGSM 900 1800MHz TX power 0 6W 850MHz 2W 900MHz 1W 1800 1900MHz GPRS Multi slot class 8 4 down 1 up Max BR 85 6 Kbps Class B GSM 07 10 multiplexing protocol Coding scheme CS 1 CS4 CSD Max BR 14 4kbps SMS MO
74. operated by the United States Department of Defense For information on the status of this system visit the US Naval Observatory website http tycho usno navy mil or the US Coast Guard website http www navcen uscg gov GLONASS the Global Navigation Satellite System maintained and operated by the Russian Federation Ministry of Defense For information on the status of this system visit the Coordinational Scientific Information Center website http www glonass ianc rsa ru Despite numerous technical differences in the implementation of these systems satellite positioning systems have three essential components e Space GPS and GLONASS satellites orbit approximately 12 000 nautical miles above Earth and are equipped with a clock and radio These satellites broadcast ranging signals and various digital information ephemerides almanacs time and frequency corrections and so forth Control Ground stations located around the Earth that monitor the satellites and upload data including clock corrections and new ephemerides satellite positions as a function of time to ensure the satellites transmit data properly 1 2 GRX1 Operator s Manual Principles of Operation e User The community and military that use GNSS receivers to calculate positions Calculating Absolute Positions When calculating an absolute position a stationary or moving receiver determines its three dimensional position with respect to the
75. origin of an Earth Center Earth Fixed coordinate system To calculate this position the receiver measures the distance called pseudo ranges between it and at least four satellites The measured pseudo ranges are corrected for clock differences receiver and satellites and signal propagation delays due to atmospheric effects The positions of the satellites are computed from the ephemeris data transmitted to the receiver in navigation messages When using a single satellite system the minimum number of satellites needed to compute a position is four In a mixed satellite scenario GPS and GLONASS the receiver must lock onto five or more satellites to account for the different time scales used in these systems and to obtain an absolute position Calculating Differential Positions DGPS or Differential GPS is a relative positioning technique where the measurements from two or more remote receivers are combined and processed using sophisticated algorithms to calculate the receivers relative coordinates with high accuracy DGPS accommodates various implementation techniques that can be classified according to the following criteria e The type of GNSS measurements used either code phase differential measurements or carrier phase differential measurements e If real time or post mission results required Real time applications can be further divided according to the source of differential data and communication link used With DGPS in
76. r over Control Point 4 2 GRX1 Operator s Manual Receiver Setup To set up the Rover receiver Figure 4 2 on page 4 3 the antenna receiver does not move during data D Use a bipod during post process surveys to ensure logging 1 Attach the GRX1 receiver to the top of the rover pole with 5 8 x11 thread Make sure that the receiver is securely affixed to the top of the rover pole 2 Attach the GRX1 receiver to the top of the rover pole with 5 8x11 thread Make sure that the receiver is affixed to the top of the rover pole securely NN GRX1 Receiver 5 8 Inch Screw Figure 4 2 Connect GRX1 Receiver to Bipod P N 7010 0965 4 3 GRX1 Receiver Setup Step 2 Measure Antenna Height The location of the antenna relative to the point being measured is very important for both surveys in which the elevation of the points is important and in surveys for horizontal location only Horizontal surveys are often larger in area than can reliably fit on a flat plane therefore the antenna adjustment must be done in three dimensions and then projected onto a two dimensional plane The receiver calculates the coordinates of the antenna s phase center To determine the coordinates of the station marker specify the following e Measured height of the antenna above the station marker e Method of measuring the antenna height e Model of the antenna used Antennas have two types of measurements e Vertical measu
77. ready File Status LEDs indicate the status of the current file e Green a file is open e Red blink writing to the file e NO light dark a file is not open or there is no memory card in slot Wireless Status LEDs indicate the status of the internal Bluetooth module P N 7010 0965 1 13 Introduction e Blue internal Bluetooth connection is established Blue blink internal Bluetooth connection has not been made as long as the module has power e Blue dark internal Bluetooth is not being powered e Green flash data is transmitted from the Bluetooth port e Orange flash data is received from the Bluetooth port Radio Status LEDs indicate the status of the internal UHF radio and GSM module e Yellow internal radio is being powered e Yellow dark internal radio is not being powered e Green flash data is transmitted from the internal radio port e Orange flash data is received from the internal radio port Serial Port Status LEDs indicate the status of the serial port e Green flash data is transmitted from the serial port e Orange flash data is received from the serial port Scheduler Status LED is not available at this time The scheduler status LED feature will be available in future revisions of the GRX1 The Power Button is used to turn the unit on or off format or erase the internal memory or perform a factory reset The number of seconds that you press the power button determines
78. red from the marker to the antenna reference point ARP located on the bottom of the receiver at the base of the mounting threads e Slant measured from the marker to the lower edge of the antenna slant height measure mark SHMM located on both end panels of the receiver The surveying point that GPS GLONASS measures is called the Phase Center of the antenna The Phase Center is analogous to the point that a distance meter measures in a prism Enter the prism offset to compensate for this point not being at a physical surface of the prism For a GPS GLONASS antenna the offset entered depends on the type of measurement taken e For vertical the offset is simply added to the measured vertical height to produce a true vertical height e For slant height the vertical height must first be calculated using the radius of the antenna then the offset can be added The offsets are different because of the difference in location between the slant measuring point and the vertical measuring point 4 4 GRX1 Operator s Manual Receiver Setup 1 Measure the antenna height above the control point or marker either the slant height or the vertical height Figure 4 3 on page 4 5 2 Record the antenna height point name and start time in the field notes r 50 9mm Figure 4 3 Antenna Offset Measurements e L Slant Height from maker to tape anchor point e H vertical Height from marker to SHM
79. reeesrerrerssen Installing GRX Utility eeeeeeeeeeeeereresrrrerrreee Installing the Optional SD SDHC and SIM Cards cee eeeeseeseceseceeeeeeeeneees Charging the Battery secies eee eesecsseeeeeeeeeeeeeeeeeeeaes Using the Detachable Battery 0 0 eee eeeeeeeeeeee P N 7010 0965 Table of Contents Attaching or Detaching the Battery i 2 6 Turning the GRX1 On Off eeens 2 8 Connecting the Receiver and a Computer eee 2 9 Establishing an RS232 Cable Connection 2 10 Establishing a Wireless Connection ceeeeeeeee 2 11 Collecting Almanacs and Ephemerides ee eeeeeee 2 13 Chapter 3 GRX1 Configuration cccsseeseeeeeeeeseeeeeeeteeeeees 3 1 Managing the Radio Modem eee eeeesceseceeeeereeneeeseees 3 2 Connecting with the Radio Modem eee 3 3 Configuring a Digital UHF Radio Modem 3 5 Configuring the Receiver oo ee eseeseceseceseeeeeeeeeeeeesaeens 3 8 Chapter 4 GRX1 Receiver Setup ccccssssseccceesssseeeeeteeeees 4 1 Receiver Setup sciauceatcaucian Man a E E 4 1 Step 1 Set up the Receivers ccecce 4 1 Step 2 Measure Antenna Height o 4 4 Static Surveying for Base Stations 00 0 eee eeeeseeneeees 4 6 Kinematic Stop amp Go Surveying for Rover Stations 4 7 Chapter 5 Receiver and File Maintenance ccsssee 5 1 Downloading Files to a Computer oo eee eeeeeeeeeereeeeeees 5 1 Downloading Files via GRX Utility oo eee 5
80. reen will appear as the General tab to show information on the modem model and the product identification EZ Arwest AW401 General Settings Functions CCX Creator Manufacturer Aiwest Modem Model pwan Product identification information AW401Tc UHF Radio Modem Topcon Positioning Systems Product ID 18 Settings BootLoader Ver 2 1 Rev B Figure 3 6 Modem General Information 3 Click on the Settings tab to open a list of settings of the modem see Figure 3 7 on page 3 6 The settings list varies depending on the modem model and possibly the firmware version The settings can be read only marked by the 4 icon or changeable marked by the icon Arwest AW401 General Settings Functions CCX Creator Parameters List i El Property Value H UHF Baud Rate 115200 Flow Control NONE 2 UHF Modulation DBPSK Protocol Simplex Receiver 9 Repeater No Retransmission in the Power 1000 9 Space 25 kHz Channel 415 00000 MHz Figure 3 7 UHF Modem Settings 3 6 GRX1 Operator s Manual Managing the Radio Modem Mode displays whether the UHF or GSM CDMA band is used for communication Baud rate select a baud rate for the modem s serial port You can adjust the baud rate This is the flow rate on the serial port connecting the modem to the GPS board 38400 is the recommended rate with this radio modem to stop communicating to the GPS board You w
81. reset in the factory to Auto mode for the battery To check these settings use the following procedure 1 Connect your receiver and computer and run GRX Utility see Connecting the Receiver and a Computer on page 2 9 2 Once connected click Configuration gt Receiver 6 2 GRX1 Operator s Manual Receiver Problems 3 On the General tab view the Power and Charger fields These fields should be set to Auto If not change them to Auto and click Apply 1 Clearing the NVRAM returns the receiver to Auto power mode see Browse for and select the receiver board s RAM file and Flash file on page 5 8 The receiver does not power up The attachable battery may be improperly attached e Check that the battery is correctly attached e Check that the battery contacts at the top of the attachable battery are clean and dust free The battery may be discharged e Connect attach a fully charged battery and retry See Charging the Battery on page 2 5 e Charge the battery overnight See Charging the Battery on page 2 5 If using an external power source the cable may be disconnected or damaged Check that the cable is securely connected and undamaged The receiver may have a defective charger or defective battery If after changing the battery or connecting an external power source the receiver still does not power up contact Sokkia Customer Support for advice Receiver Pro
82. rs If possible include the exact steps being taken up to when the error message or other problem occurs 5 How regularly the problem occurs Generally a customer support representative will reply within 24 hours depending on the severity of the problem Website The Sokkia website provides current information about Sokkia s line of products The support area of the website provides access to frequently asked questions configuration procedures manuals e mail support and so forth To access the Sokkia website go to http www sokkia com P N 7010 0965 6 13 Troubleshooting Notes 6 14 GRX1 Operator s Manual Appendix A Specifications This Sokkia product is a 72 channel GNSS receiver with an internal radio modem a Bluetooth wireless technology module an optional GSM module an optional removable SD SDHC memory card and a rugged magnesium housing complete with an LED Display Panel and cable connectors Receiver Specifications The following sections provide specifications for the receiver and its internal components General Details Table A 1 lists the receiver s general specifications Table A 1 Receiver General Specifications Physical Enclosure Magnesium alloy Color Sokkia blue and Sokkia Gray Dimensions 184 0mm X 95 0mm diameter x Height Weight 1 10kg without battery and radio Antenna I
83. rt GRX Utility on your computer The GRX Utility main screen displays GRX Utility Initially the tools are inactive Information Options Tools Receiver Settings A GRX Utility Device View Help pe File Explorer Receiver Managing Mode Figure 3 8 GRX Utility Main Screen 3 Select Device gt Application Mode gt Receiver Managing 4 Click Device gt Connect 5 On the Connection Parameters dialog box select the following parameters e Connect Using select either Serial Port or Bluetooth device for communication following situations the device specific Bluetooth stack is not supported by the Application or the Bluetooth power is turned off If the Bluetooth power is off please turn on the Bluetooth power before using the Bluetooth manager Bluetooth transport may not be available in the e Port name shows physical and friendly name for the port The Application remembers the last used transport and the last 3 10 GRX1 Operator s Manual Configuring the Receiver successful port device name for every transport so it is easy to connect to the same device If necessary use the list button on the right of the Port name field to choose a port from the Select a Port dialog 6 Click Connect Figure 3 9 FA GRX Utility Device View Help 2 R Connection Parameters iof x m Connect Using Serial Port m Port Name M Aicom1 Communications Port COr fl m R
84. safety systems or altering the product e With unauthorized accessories e Without proper safeguards at the survey site e Contrary to applicable laws rules and regulations environments Use in rain or snow for a limited on Sokkia receivers should never be used in dangerous period is permitted P N 7010 0965 B 1 Safety Warnings Battery Pack Warnings battery Lithium Ion batteries can be dangerous if on Never attempt to open the casing of the detachable mishandled Do not incinerate or heat battery pack above 212 a gt degrees fahrenheit 100 degrees celsius Excessive heat can cause serious damage and possible explosion Tampering with the battery by end users or non mull factory authorized technicians will void the battery s warranty Do not attempt to open the battery pack or replace it Do not disassemble the battery pack Do not charge in conditions different than specified Do not use other than the specified battery charger Do not short circuit Do not crush or modify B 2 GRX1 Operator s Manual Usage Warnings Usage Warnings If this product has been dropped altered cay transported or shipped without proper packaging or otherwise treated without care erroneous measurements may occur The owner should periodically test this product to ensure it provides accurate measurements Inform Sokkia immediately if this product does not function properly On
85. strued P N 7010 0965 vii Preface in accordance with the laws of the State of California without reference to conflict of laws Manual Conventions This manual uses the following conventions Example Description File gt Exit Click the File menu and click Exit Connection Indicates the name of a dialog box or screen Frequency Indicates a field on a dialog box or screen or a tab within a dialog box or screen Enter Press or click the button or key labeled Enter Further information to note about the configuration maintenance or setup of a system Supplementary information that can help you configure maintain or set up a system Supplementary information that can have an affect on system operation system performance measurements or personal safety Notification that an action has the potential to adversely affect system operation system performance data integrity or personal health P viii GRX1 Operator s Manual Manual Conventions Notification that an action will result in system damage loss of data loss of warranty or personal injury Under no circumstances should this action be performed P N 7010 0965 ix Preface Notes X GRX1 Operator s Manual Chapter 1 Introduction The GRX1 receiver is a multi frequency GNSS receiver built to be the most advanced and co
86. t Using field and click button to search the devices with Bluetooth Searching Connection Parame DER Connect Using Friendly Name Physical Name Bluetooth zi Serial Port Bluetooth R3_rover 00 03 74 16 28 d4 Application Mode gt Exit Figure 2 8 Searching Bluetooth Devices 2 12 GRX1 Operator s Manual Collecting Almanacs and Ephemerides 5 After finishing the search of Bluetooth enabled devices select the desired receiver in the Select Port dialog box and click OK To establish the connection to the receiver press the Connect button in the Connection Parameters dialog box When detecting the receiver the Detecting Receiver dialog box displays Select Port Eek Friendly Name Physical Name G R3_rover 00 03 7a 16 28 d4 Connection Parameters DER Connect Using Bluetooth Rx RK Device Name Detecting Receiver 8 ANKOH_FH915 327 GRX1 4 00 07 80 88 72 89 ees Ankoh arwest 00 07 80 90 28 8F i ACHERNYAVSKY2 00 0b 0d 08 96 d1 Receiver Port v T H2660210 00 10 c6 4c 8d 1e I external Receiver HiPer Ls_ 0117 00 10 c6 54 3d de EM Hiper xT 00 10 c6 ef 23 36 d ne 00 18 8d 6a 19 11 i IGusEV 00 1a 7d 0a c5 64 Figure 2 9 Stages for connecting receiver and computer controller via Bluetooth 6 To close the connection between the receiver and computer F GRX Utility DETE View Help m Setup controller cli
87. tely calculate a new point e In applications intended for post processing the receivers typically log code phase and or carrier phase measurements separately from common satellites and during the same time interval This data is then processed using post processing software for example Spectrum Survey Office When configuring receivers for RTK surveying use the following checklist to ensure the receivers are properly set up Cl Perform pre survey functions as described in Chapter 2 P N 7010 0965 3 1 GRX1 Configuration E Configure one receiver as an RTK Base station and the other receiver as an RTK Rover See Configuring the Receiver on page 3 8 e For a UHF Modem see Configuring a Digital UHF Radio Modem on page 3 5 O Set up the Base receiver over a known point to begin collecting static observation data and transmitting corrections Set up the Rover receiver to begin collecting RTK data See GRX1 Receiver Setup on page 4 1 for more information When configuring receivers for post processing surveying use the following checklist to ensure the receivers are properly set up Cl Perform pre survey functions as described in Chapter 2 E Configure one receiver as a Base station and the other receiver as a Rover See Configuring the Receiver on page 3 8 O Set up the Base receiver over a known point to begin collecting static observation data Set up the Rover receiver to begin collecting static or
88. tes saceees estes bocseseeeseesnes A 5 Bluetooth Module Details 2 0 0 ee ceeesceseeceeeeeeeeees A 7 Internal Sokkia UHF Modem General Specification Detail nonpa ann eee neem aes A 7 Optional GSM GPRS Module Details oe A 8 Battery BDC58 Specifications cece eeeeeeeeeeee A 8 Charger CDC68 Specifications eee eeeeeeeeee A 9 Connector Specifications 0 0 cece eeceeceseeeseeeneceteeeeeeeees A 9 Power Connector 2 se0 seisei tears deci aae lees A 10 Serial C RS232 Connector cece eeceseceeeeereeneeeneees A 11 Appendix B Safety Warning ssvcisiscsoticavieveatadescccsasnnecdacevenancen B 1 General Warnings ccccceesceeeceeeeceeeeeeeaeeeaeeceeeeceeeeeesees B 1 Battery Pack Warnings 0 cescceeecceeseceeeteeeneeceeeeeeteeenaees B 2 Usage WAMMINGS oeit ecese inaa ie ea B 3 Appendix C Regulatory Information ccccsssseeeeeeeeesseeeeeees C 1 UHF Radio Usage i 0 53 cechisetence aini C 1 ECC Compliance rieren an ea C 2 P N 7010 0965 iii Table of Contents Federal Communication Commission Declaration of Conformity DoC Statement C 3 Canadian Emission Labeling Requirements C 3 IC RF Radiation Exposure Statement C 4 IC Additional statement with Detachable Antennas feceseuineedclant oe ahve C 4 Community of Europe Compliance cee eee eseeneeeee C 5 European Community Declaration of Conformity with R amp TTE Directive 1999 S EC oe C 5 Declaration o
89. the frequency is either once when the condition first occurs or repeated every 30 seconds for a set period of time Data and Power Ports The GRX1 has the following two ports Figure 1 6 on page 1 17 e Serial rimmed in black used for communication between the receiver and an external device The body of the connector on the corresponding cable is black e Power rimmed in red used to connect the receiver to an external power source The body of the connector on the corresponding cable is red o0 0 N o0 Oo oa 09 0 0000 Power A m O LEG sila WE ZA s Figure 1 6 GRX1 Ports P N 7010 0965 1 17 Introduction External Radio Antenna Connector The UHF antennas connect to the external antenna connector under the GRX1 housing Figure 1 7 Both modem antenna types include support for a GSM modem The modem antenna depends on the type of modem installed in the receiver UHF Uses a BNC RF connection and comes in two versions 410 440MHz p n 30 070003 01 and 440 470MHz p n 30 050503 01 UHF GSM Antenna Figure 1 7 Modem Antenna Connector The bottom connector Figure 1 8 connects the receiver to either a standard 5 8 thread pole adapter Bottom Connector Figure 1 8 GRX1 Bottom Connector 1 18 GRX1 Operator s Manual GRX1 Receiver SD SDHC and SIM Card Slots The SD SDHC and
90. tions The more visible satellites available the more valid and accurate the position Natural and man made objects can block interrupt and distort signals lowering the number of available satellites and adversely affecting signal reception e 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 GNSS satellites and removes them from the position calculation Five or more visible satellites for only GPS or only GLONASS six or more satellites for mixed scenario Satellite Based Augmentation Systems WAAS EGNOS and so on creates and transmit along with DGPS corrections data integrity information for example satellite health warnings Current ephemerides and almanacs Conclusion This overview simply outlines the basics of satellite positioning For more detailed information visit the Sokkia website P N 7010 0965 1 5 Introduction Receiver Overview When power is turned on and the receiver self test completes the receiver s 72 channels initialize and begin tracking visible satellites Each of the receiver s channels can be used to track any one of the GPS or GLONASS signals The number of channels available allows the receiver to track all visible global positioning satellites at any time and location An internal GNSS antenna equipped wit
91. to properly operate and provide appropriate functionality As Sokkia releases firmware updates loading these updates into the receiver will ensure the receiver operates at its full potential Downloading Files to a Computer Downloading Files via GRX Utility GRX Utility allows one to download files to your computer and to delete files from the receiver 1 Connect your receiver and computer Open GRX Utility See Connecting the Receiver and a Computer on page 2 9 for this procedure P N 7010 0965 5 1 Receiver and File Maintenance 2 Click ine icon in the main window The File Explorer File Explorer dialog box displays all logged raw data files Figure 5 1 File Explorer Files Logs Size B Date Time 175 213 1 14 2010 10 01 20 AM 398 573 1 14 2010 9 58 08 AM 106 291 1 14 2010 10 03 12 4M 54578 1 14 2010 11 09 24 AM 98793 1 14 2010 11 23 38 AM Figure 5 1 File Explorer Dialog Window 3 To save a file into the computer highlight a desired file right click and select Download from the pop up menu In the Save As dialog box navigate to or create a folder in which to download and store file Figure 5 2 Click the Save button to download the file File Explorer Files Logs Sem ie T From GRKI secare J oe Name Size B Dae Time fe 2 Point_2 175213 1 14 2010 10 01 20 AM My Racert a Documents Delete Poin al e 2 Point_4 54 578 Deskicp 2 P
92. ttery to the Right to Remove Figure 2 5 Remove Battery 4 Lift up the battery and remove it from the receiver To attach the Battery 1 Lift the battery cover P N 7010 0965 2 7 Pre survey Preparation 2 Gently slide the bottom of the battery into the battery pocket until it snaps into place Slide Battery to the Left to Lock in Place Figure 2 6 Remove Battery Compartment Cover 3 Reinstall the battery cover Turning the GRX1 On Off To turn ON the receiver press and hold the power button 1 second To turn OFF the receiver press and hold the power key for more than three and less than ten seconds Table 2 1 Power Button Status on LED Display Panel Action ane et LED View Seconds Turn On 1 second id H B aR SBhis amp 2 8 GRX1 Operator s Manual Connecting the Receiver and a Computer Table 2 1 Power Button Status on LED Display Panel Action POMBO LED View Seconds Turn Off greater than 3 seconds and less than 10 uan seconds Factory greater than 10 reset seconds and less than 20 seconds Erase greater than 20 memory and less than 25 i amp Gf Disregard more than 25 seconds Connecting the Receiver and a Computer GRX Utility provides an interface for various configuration monitoring and management functions for the receiver To configure manage files or maintain th
93. val as the static Base station e An RTK Rover collects measurement information and accepts corrections from the RTK Base station to compute its relative position To configure manage files or maintain the receiver connect the receiver and a computer using one of the following methods and start GRX Utility e use a Bluetooth enabled external device computer e use an RS232 cable GRX Utility is Sokkia s GNSS receiver configuration software For more information on any of the procedures in this section or on GRX Utility refer to the GRX Utility Reference Manual GRX Utility configures the various parts of the receiver saving the settings in the receiver s memory These settings will be reflected when you use the LED Display Panel Once you have established a connection between the receiver and the computer you can e configure the receiver and its components e send commands to the receiver e download files from the receiver s memory e load a new OAF and other configuration files to a receiver The following Base and Rover configurations are recommended for the most common applications however you can select configuration parameters as needed for your particular jobsite Do not make other changes without consulting the GRX Utility Reference Manual P N 7010 0965 3 9 GRX1 Configuration 1 Connect the receiver and computer as described in Connecting the Receiver and a Computer on page 2 9 2 Sta
94. your system s range Directional antennas concentrate the signal power within a more narrow direction significantly increasing the range of your system P N 7010 0965 C 1 Regulatory Information e Check the Sokkia accessory line for items to raise the Base radio FCC Compliance This equipment complies with FCC radiation exposure limits set forth for uncontrolled equipment and meets the FCC radio frequency RF Exposure Guidelines in Supplement C to OET65 This equipment has very low levels of RF energy that it deemed to comply without maximum permissive exposure evaluation MPE But it is desirable that it should be installed and operated with at least 20cm and more between the radiator and person s body excluding extremities hands wrists feet and ankles This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation This equipment has been tested and found to comply with the limits for a digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful inter

GRX1 Operator`s Manual - Land Surveyors United

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