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GSR2700 ISX Operations Manual

17

GSR2700 ISX Components

Chapter 2

2.7

Internal Radio

Depending on your particular system configuration, the
GSR2700 ISX may include an internal UHF or GSM/GPRS radio
for transmitting or receiving differential corrections for RTK
applications.

The radio antenna connects on the underside of the receiver (for
details, see Section 2.2.1,

When your receiver has an internal GSM/GPRS radio, contact
your local SOKKIA distributor for information about installing
the SIM card supplied by your telecommunications service
provider. For details about the UHF and GSM/GPRS internal
radios, see

NOTE

To view and modify the configuration of the internal radio, you

can use the

GSR2700 IS/ISX Config Tool

software (see

Finding More Information

2.8

Wireless Communication

The GSR2700 ISX features a built-in Class 2 Bluetooth wireless
communication device, which allows for two concurrent
Bluetooth connections to the GSR2700 ISX with Bluetooth-
enabled data collectors, PCs, or other Bluetooth peripherals.

CAUTION

Always

ensure that the radio antenna is

properly connected to your receiver

before

turning the unit on.

Never

disconnect the

radio antenna while the internal radio is still
on. Removing the antenna while the unit is
on

may cause irreparable damage to the

internal circuitry of your radio

,

particularly when the radio is transmitting
information.

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Summary of Contents for GSR2700 ISX

Page 1: ... 248 7984 www sokkia co jp SOUTH KOREA 82 2 514 0491 www sokkia co kr LATIN AMERICA 1 305 599 4701 www sokkialatinamerica com UNITED STATES 1 800 255 3913 www sokkia com OCEANIA 61 2 9638 2400 www sokkia com au SINGAPORE 65 6479 3966 www sokkia com sg POINT Inc Integrated Measurement Solutions 2007 POINT Inc All rights reserved Printed in the U S A 090 0 0058 SOKKIA GPS Worldwide ...

Page 2: ......

Page 3: ...Tplljb GNSS Receiver System GSR2700 ISX Operations Manual ...

Page 4: ...is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try and correct the interference by one or more of the following measures a reorient or relocate the receiving antenna b increase the separation between ...

Page 5: ...700 ISX Components 9 2 1 Enclosure Features 9 2 2 Ports 11 2 2 1 Antenna port 12 2 2 2 Communication ports 13 2 2 3 Power port 13 2 3 Cables 13 2 4 Batteries 14 2 5 Memory 15 2 6 Antenna 16 2 7 Internal Radio 17 2 8 Wireless Communication 17 2 9 Display Panel 18 2 10 Audible Annunciator 18 Chapter 3 Display Panel Operations 19 3 1 Power Button 20 3 2 Gauges 23 3 2 1 Battery life gauge 23 3 2 2 Sat...

Page 6: ...9 5 3 1 Typical RTK rover setup 39 5 3 2 Typical RTK base setup 42 5 3 3 Typical static setup 46 Chapter 6 Powering the GSR2700 ISX 48 6 1 Turning the System On and Off 48 6 2 Power Source 48 6 2 1 Internal batteries 48 6 2 2 External power source 49 6 3 Powering Peripheral Devices 50 6 4 Power Consumption 50 6 5 Insufficient Power 51 6 6 Charging the Internal Batteries 52 Chapter 7 Collecting Dat...

Page 7: ...0 C 1 About the 3ASd and Epic Radios 70 C 2 Radio Cables 71 C 3 Setting the Frequency 71 C 4 Setting the Transmitter Output Power 72 C 5 Turning On Error Correction 73 C 6 Using a Radio as a Repeater 73 Appendix D Installing the USB Driver 75 D 1 Downloading the USB Driver 75 D 2 Installing the Driver 75 D 2 1 Windows XP driver installation 76 D 2 2 Windows 2000 driver installation 77 D 3 Configur...

Page 8: ...s 25 11 Memory Gauge Indicators 25 12 Timer Gauge Baseline Length Mode 27 13 Timer Gauge Elapsed Time Mode 27 14 Temperature Issues 29 15 Voltage Issues 29 16 Firmware Issues 29 17 COM Ports Communication Status LEDs 30 18 Wireless Communication Status LEDs 31 19 Internal Radio Status LEDs 33 20 Audible Annunciator Conditions 34 21 RTK Rover Setup Components 40 22 RTK Base Setup Components interna...

Page 9: ...Tables GSR2700 ISX Operations Manual v 27 Hours of Storage with 64 MB Logging Capacity 59 28 GSR2700 ISX Technical Specifications 60 ...

Page 10: ...m Components 5 4 GSR2700 ISX 9 5 Receiver Underside View 10 6 Ports 11 7 Internal Radio Antenna 12 8 Antenna Radome 16 9 Display Panel Components 19 10 Power Button Functions 21 11 Typical RTK Rover Setup 40 12 Typical RTK Base Setup internal radio 42 13 Typical RTK Base Setup external radio 43 14 Typical Static Setup 46 15 Satel Radios 70 ...

Page 11: ...tor providing a completely cable free option For differential correction transmission flexibility the GSR2700 ISX uses either an internal UHF or GSM GPRS radio It also offers the innovative feature of voice messages to indicate receiver status during field operation Surveyors can use the GSR2700 ISX for topographic stake out and control surveys Excellent acquisition and reacquisition times mean th...

Page 12: ...ng Full wave length carrier measurements from new integrated GNSS antenna with Pinwheel technology Patented Pulse Aperture Correlator PAC technology for high accuracy GPS measurement multipath rejection ionospheric corrections in position calculations New high performance long range RTK algorithm that minimizes the delay in achieving fixed solutions Optional internal UHF or GSM GPRS radio for diff...

Page 13: ...sed Components are described in Table 2 Standard Component Descriptions page 5 Low power consumption Peripheral power supply output to COM1 and COM2 LED display status indictors Voice messages or sounds to indicate receiver status Output Data Log Formats Proprietary ASCII and binary CMR Standard CMR CMR NMEA Standard GPGGA GPGLL GPGRS GPGSA GPGST GPGSV GPRMB GPRMC GPVTG GPZDA RTCM V2 3 Standard Ty...

Page 14: ...r 1 Introduction Figure 1 Standard RTK Rover System Components Figure 2 Standard RTK Base System Components GPS Receiver System GSR2700 IS Operations Manual 4 3 1 5 6 7 8 9 1 2 3 5 4 6 GPS Receiver System GSR2700 IS Operations Manual 7 8 9 ...

Page 15: ...m Components are described in Table 3 Optional Component Descriptions page 6 Figure 3 Optional System Components Table 2 Standard Component Descriptions Number Description 1 GPS receiver 2 Tribrach and tribrach adapter 3 Internal radio antenna 4 Quick release 5 AC adapter 6 PC download cable USB 7 Tape measure 8 Manual 9 Hard case 1 2 3 4 5 ...

Page 16: ... Data collector 5 Data collector mounting bracket CAUTION A caution provides information about possible sources of difficulty or situations that may damage the product CAUTION If your receiver has an internal radio always ensure that the radio antenna is properly connected to your receiver before turning the unit on Never disconnect the radio antenna while the internal radio is still powered Disco...

Page 17: ...sion instrument Although it is designed for rugged operating conditions it performs best when handled with care When the port covers are closed the enclosure is sealed to provide protection against adverse environmental conditions To minimize the possibility of damage always keep the ports covered except when in use The GSR2700 ISX can accept an input supply voltage in the range of 9 to 18 VDC Do ...

Page 18: ...on advanced users NOTE GSR2700 IS ISX Config Tool and POWERUP Configuration Manager software tools are available from the POINT Inc website at www point inc com select Support Spectrum Survey Reference Manual Describes how to process and adjust your data using Spectrum Survey software SDR User s Guide Describes how to use the SDR data collection software for example if you are using the GSR2700 IS...

Page 19: ...integration of components into a single enclosure makes it unnecessary to use a backpack 2 1 Enclosure Features The top of the GSR2700 ISX encloses the antenna and radome surrounded by a shock absorbing protective bumper One side of the receiver shows the radio antenna port and the display panel see Figure 4 which you can use to control and monitor the system Brightly colored LEDs display the stat...

Page 20: ...ing for mounting the unit on a tripod or survey pole The mounting socket accepts a threaded stud up to 19 mm 0 75 in length 2 The internal antenna for the Bluetooth wireless communication device square raised area For more information about the wireless communication device see Section 2 8 Wireless Communication page 17 3 Phase center offset label antenna specifications CAUTION If travelling with ...

Page 21: ...otected from dust and water by covers NOTE Leave the port covers closed when not in use Each port is labeled with an icon and text as well as a colored label for easy identification See Figure 6 for a view of the ports See Table 5 Port Descriptions page 11 for a description of each port Figure 6 Ports Table 5 Port Descriptions Number Port Icon Description Color 1 Antenna Antenna port for the inter...

Page 22: ...ew of the receiver with the UHF radio antenna attached For more information about the internal radio see Section 2 7 Internal Radio page 17 Figure 7 Internal Radio Antenna 3 COM2 Communication port for radio and USB communication white 4 Power Power input port red Table 5 Port Descriptions continued Number Port Icon Description Color CAUTION Attach only a SOKKIA antenna to the GSR2700 ISX antenna ...

Page 23: ...ut to the unit For more information about powering peripheral devices see Section 6 3 Powering Peripheral Devices page 50 2 2 3 Power port The GSR2700 ISX has one power input port for connecting an external power source to the receiver such as an external battery as an alternative to using the internal batteries For more information about the internal batteries see Section 2 4 Batteries page 14 Fo...

Page 24: ... Batteries The GSR2700 ISX incorporates two internal custom Li Ion battery packs Table 6 provides approximate operational run times for the batteries based on the setup and survey methods you use CAUTION Do not pull directly on the cable Table 6 Battery Operation Times Internal batteries will power the unit continuously for X time based on setup Run Time Rover receiving RTK RTCA corrections though...

Page 25: ...on about how many hours of data can be stored in memory see Section 7 4 Data Storage Capacity page 58 NOTE Contact your local SOKKIA dealer if the receiver s internal memory needs to be serviced or upgraded Base station with an internal UHF radio transmitting RTK RTCA corrections at 1 W 9 hrs GSM rover using internal GSM module receiving RTK corrections from an NTRIP site 12 6 hrs CAUTION Never at...

Page 26: ...technology Figure 8 Antenna Radome The phase center offset label is located on the underside of the receiver see Figure 5 Receiver Underside View page 10 The circumference of the receiver features a tape measure anchor point from where you can measure the antenna height NOTE You can use this height measurement location with a SOKKIA tape measure custom tape with offset scale and reference tip or a...

Page 27: ... internal radios see Radio Link page 63 NOTE To view and modify the configuration of the internal radio you can use the GSR2700 IS ISX Config Tool software see Section 1 6 Finding More Information page 8 2 8 Wireless Communication The GSR2700 ISX features a built in Class 2 Bluetooth wireless communication device which allows for two concurrent Bluetooth connections to the GSR2700 ISX with Bluetoo...

Page 28: ...iew of your system status For details about the display panel features and how to use them see Chapter 3 Display Panel Operations page 19 2 10 Audible Annunciator The GSR2700 ISX features an audible annunciator which issues a series of voice messages or sounds to alert you of the receiver s current status during operation For details about the audible annunciator see Chapter 4 Audible Annunciator ...

Page 29: ...rt you to receiver status and event conditions The display panel components are illustrated in Figure 9 and described in Table 7 Figure 9 Display Panel Components Table 7 Display Panel Components Number Icon Description Reference 1 Receiver health indicator Section 3 3 1 Receiver health LED page 28 2 Power button Section 3 1 Power Button page 20 3 Battery life gauge Section 3 2 1 Battery life gaug...

Page 30: ...at you firmly hold the power button for the entire duration that is required to perform the action you want The power button functions are illustrated in Figure 10 Power Button Functions page 21 and summarized in Table 8 Power Button Functions page 21 5 Memory gauge Section 3 2 3 Memory gauge page 25 6 Timer gauge Section 3 2 4 Timer gauge page 26 7 COM port communication status indicators Section...

Page 31: ...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 3 Press the button for 3 seconds and or until you hear the Power Off message or sound and the top three battery life gauge LEDs illuminate Release to return to normal operation no ac...

Page 32: ...memory gauge illuminate Release the button to delete all the files from the memory Note 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 on your PC Disregard 25 When you hold the...

Page 33: ...ration only one LED is illuminated on each gauge at any one time The level illuminated indicates the status 3 2 1 Battery life gauge The battery life gauge displays the battery life remaining on the internal batteries When an external power source is connected the detected available voltage is indicated by a flashing LED When the receiver is powered off and is connected to the AC Adapter the charg...

Page 34: ...If the current position of the receiver is fixed the LED will flash The LED will remain solid when the receiver is operating in rover or static mode For a satellite to be counted as used it must have a healthy signal and be above the elevation mask and the receiver must have achieved lock both code and carrier Table 9 Battery Life Gauge Indicators Solid Flashing Receiver Off LED Internal Battery T...

Page 35: ...ch are insufficient for three dimensional positioning applications 3 2 3 Memory gauge The memory gauge displays the amount of available memory When data is being logged to a file the currently illuminated LED flashes Table 11 summarizes the values indicated by the memory gauge LEDs Table 10 Satellite Tracking Gauge Indicators LED Number of Satellites Being Tracked 5 10 11 or 12 4 8 or 9 3 6 or 7 2...

Page 36: ...d using the Timer LED field in the GSR2700 IS ISX Config Tool software For more information see Section 1 6 Finding More Information page 8 3 2 4 1 Baseline length mode When this gauge is configured to display receiver occupation by baseline length the LEDs will display in solid green to show the length of the baseline that can be accurately post processed given the amount of raw data that has bee...

Page 37: ... that there are no adverse environmental conditions and that you have a data logging interval of 10 seconds Table 12 Timer Gauge Baseline Length Mode Solid LED Baseline Length 5 up to 30 km 18 6 miles 4 up to 20 km 12 4 miles 3 up to 15 km 9 3 miles 2 up to 10 km 6 2 miles 1 up to 5 km 3 miles Table 13 Timer Gauge Elapsed Time Mode LED Flashing Elapsed Time Since the Survey Started at the Site 5 5...

Page 38: ...minated The particular combination of flashes indicates a specific warning or error condition for example the receiver is being operated outside its temperature range When there is a warning or error condition the LEDs illuminate in a sequence of six flashes If both the yellow and the red LEDs flash first it is a warning condition If only the red LED flashes first it is an error condition The foll...

Page 39: ...shown in Table 16 then the receiver firmware has not been loaded with a valid authorization code Contact your SOKKIA distributor with your receiver serial number to obtain the code If an error condition persists take the following steps 1 Turn the receiver off for a few minutes 2 Perform a factory reset see Table 8 Power Button Functions page 21 Table 14 Temperature Issues 1 2 3 4 5 6 R R Y R R Y ...

Page 40: ... status indicators display the status of communication traffic flow across the receiver s COM1 and COM2 ports The LEDs flash to indicate signal sent received on the respective port Table 17 describes each of the COM port communication status LEDs If data is simultaneously being transmitted and received both the transmit and receive LED indicators will be illuminated Table 17 COM Ports Communicatio...

Page 41: ...and activity on the internal Bluetooth port Table 18 describes each of the wireless communication status LEDs If data is simultaneously being transmitted and received both transmit and receive LED indicators are illuminated During Table 18 Wireless Communication Status LEDs LED State Status Description Blue Flashing A connection with another device has not yet been established Solid A Bluetooth co...

Page 42: ...ooth port power cycle the GSR2700 ISX i e turn off the receiver then turn it back on For details about the wireless communication device see Section 2 8 Wireless Communication page 17 3 3 4 Internal radio status If your receiver has an internal radio module the internal radio status indicators display the power and activity status of the internal UHF or GSM GPRS radio Table 19 describes each of th...

Page 43: ...e internal radio see Section 2 7 Internal Radio page 17 Table 19 Internal Radio Status LEDs LED State Status Description Yellow Illuminated Power is being provided to the internal radio device including GSM or UHF Dark The internal radio is powered off Red Flashing Data is being received by the GSR2700 ISX through the internal radio device Dark No data is being received through the internal radio ...

Page 44: ...ition The frequency is either once when the condition first occurs or continuous repeats every 30 seconds for as long as a condition persists Table 20 describes the conditions indicated by the audible annunciator Table 20 Audible Annunciator Conditions Status Event Condition Description Frequency Receiver Ready The receiver has completed its startup sequence and is ON and ready for operation Initi...

Page 45: ...ttery life internal or external batteries is less than 15 minutes Note This is only an estimate To ensure continued operation without interruption immediately connect a valid external power source continuous Memory Low The remaining memory is less than 15 minutes under the current logging conditions When the memory is full data will no longer be stored continuous Memory Full A file is open for dat...

Page 46: ...ommunications once RTK Fixed A fixed integer RTK solution has been achieved once RTK Lost A fixed integer RTK solution has been lost once Epoch Recorded An epoch of raw GNSS data has been recorded to file i e the receiver has been configured to record data to the internal CompactFlash memory card once Table 20 Audible Annunciator Conditions continued Status Event Condition Description Frequency ...

Page 47: ...urn on acquire and track satellites and issue a Receiver Ready message or matching sound once it completes the initialization Typically the GSR2700 ISX will then operate based on the Factory POWERUP option selected for the receiver NOTE The receiver comes with five default POWERUP configurations and a None setting These settings can be selected using the GSR2700 IS ISX Config Tool software for mor...

Page 48: ...USB connection is the fastest method and is recommended for downloading raw data files If you are using a USB connection to the receiver you must install a USB driver to allow communication and high speed download of data files from your GSR2700 ISX receiver to your PC NOTE See Appendix D Installing the USB Driver page 75 for more information To set up the GSR2700 ISX in the office 1 Place the GSR...

Page 49: ...well as for kinematic or static surveys This section provides an overview of the equipment and setup for typical uses of the system 5 3 1 Typical RTK rover setup A typical RTK rover setup includes a range pole the GSR2700 ISX receiver with an internal GSM GPRS or UHF radio and a data controller A typical rover setup also include using one of the following to receive corrections Internal UHF radio ...

Page 50: ...trates a typical rover setup Figure 11 Typical RTK Rover Setup Table 21 RTK Rover Setup Components Number Description 1 Internal radio antenna UHF or GSM GPRS 2 GSR2700 ISX receiver 3 Quick release 4 Data collector 5 Range pole 6 Data collector mounting bracket 1 2 3 4 5 6 ...

Page 51: ...the receiver s COM1 blue port to connect a data collector to the receiver see Section 2 2 Ports page 11 5 Your receiver is now ready Refer to the handheld s data collection software reference material for additional instrument configuration NOTE For example if you are using SDR software you can refer to the SDR User s Guide for instructions CAUTION Always ensure that the radio antenna is properly ...

Page 52: ...tant that the correct POWERUP configuration is loaded on your receiver Typically you can ensure the receiver is correctly configured before you leave the office Typical base setups include using one of the following to transmit corrections Internal UHF radio Internal GSM GPRS radio used in one to one mode for example one GSR2700 ISX receiver to another External radio device for example a cell mobi...

Page 53: ...nts internal radio Number Description 1 Internal radio antenna UHF or GSM GPRS 2 GSR2700 ISX receiver 3 Quick release 4 Tribrach adapter 5 Tribrach 6 Tripod CAUTION A radio antenna that is attached to a high powered external radio power 5W should be located a minimum distance of 1 m from the GSR2700 ISX receiver 7 1 2 3 4 5 6 8 10 11 9 ...

Page 54: ...scription 1 GSR2700 ISX receiver 2 External radio cable receiver to external radio 3 Quick release 4 Tribrach adapter 5 Tribrach 6 Tripod 7 External radio 8 External radio to radio antenna cable 9 Tripod 10 Radio antenna mount and or adapter 11 Radio antenna CAUTION Always ensure that the radio antenna is properly connected to your receiver before turning the unit on Never disconnect the radio ant...

Page 55: ... NOTE For additional details about connecting Satel radios to the receiver see Appendix C Configuring Satel Radios page 70 4 Press the power button to turn on the receiver It will initialize and issue a Receiver Ready message or matching sound when it completes its initialization see Table 20 Audible Annunciator Conditions page 34 5 To verify that your RTK base position is fixed ensure that the LE...

Page 56: ...other data collector software to configure your RTK Base Setup please refer to the SDR User s Guide 5 3 3 Typical static setup To set up the GSR2700 ISX for static surveys the receiver should be loaded with the appropriate POWERUP configuration see Table 25 POWERUP Configurations page 56 The receiver is typically mounted on a tripod The system is operated using the power button and can be powered ...

Page 57: ...nel LEDs to monitor the survey for example to verify that data is being recorded to file ensure the memory gauge is flashing see Table 11 Memory Gauge Indicators page 25 To verify the receiver s occupation status or to verify that you have collected enough data to get a fixed position on the baseline check the Timer gauge see Section 3 2 4 Timer gauge page 26 Table 24 Static Setup Components Numbe...

Page 58: ...t is logging data to the memory the receiver will save and close any open files before turning off NOTE For information about power consumption while the receiver is off see Section 6 4 Power Consumption page 50 For additional power button functions see Section 3 1 Power Button page 20 6 2 Power Source You can power the GSR2700 ISX either by using its internal batteries or by attaching an external...

Page 59: ... the GSR2700 ISX uses it before drawing on the internal batteries provided that the power from the external source is greater than that of the internal batteries If the voltage delivered from the external power source is less than the internal battery power the internal batteries will be used until they are drawn to the same level as the external source Once the internal and external batteries are...

Page 60: ... a peripheral device for example a high powered radio was the cause of the current drain it will probably not function after the system resumes normal operation If you use the SOKKIA recommended data collector and radio you will not overload your system System overload can only occur if you attach peripherals that have not been approved for use with the GSR2700 ISX 6 4 Power Consumption The GSR270...

Page 61: ...ernal power input to the receiver When sufficient power is restored the COM ports will provide power according to what the POWERUP configuration specifies and the system will turn on if the power button is pressed for details about the POWERUP configuration see Section 7 2 2 1 Defining receiver behavior with POWERUP page 54 If a POWERUP configuration isn t set on the receiver the COM ports will pr...

Page 62: ...ee Section 3 2 1 Battery life gauge page 23 The LED stops flashing when charging is complete CAUTION The supplied AC Adapter is designed specifically for charging the GSR2700 ISX DO NOT use any other charger with the GSR2700 ISX DO NOT use the AC Adapter outdoors for field operations with the GSR2700 ISX The internal batteries should be serviced by your local SOKKIA distributor DO NOT attempt to s...

Page 63: ...or information about how data files are named see Section 7 3 Data File Naming page 57 7 2 Data Collection Methods Typically the GSR2700 ISX will begin tracking satellites as soon as the receiver is turned on and it successfully completes its initialization The receiver will operate based on its default POWERUP configuration until you use it otherwise e g you connect it to a data collector You wil...

Page 64: ...off and then back on again NOTE For details about establishing a Bluetooth connection between the receiver and an Allegro CX see Appendix B Allegro CX Bluetooth Connections page 66 For details about collecting data with software on the handheld refer to the software documentation e g the SDR User s Guide 7 2 2 Receiver logging to internal memory with POWERUP When you use the GSR2700 ISX without a ...

Page 65: ... an RTK base none fixed or averaged The antenna height The elevation mask The site name and number optional The COM port baud rates The wireless communication power settings 7 2 2 2 Default POWERUP configuration The GSR2700 ISX initially operates on a default POWERUP configuration which is always present on the receiver unless you remove it using the POWERUP Configuration Manager Your receiver is ...

Page 66: ... store an epoch 3 3 3 3 3 Elevation mask degrees 5 5 5 5 5 RTK Base Operation Generate RTK corrections No Yes Yes Yes Yes Average position and fix time secs n a 180 180 60 180 Differential correction format n a RTCM 18 19 RTCA RTCA RTCA Default base ID n a 0 AAAA AAAA AAAA Correction transmit interval secs n a 1 1 1 1 Base position transmit interval secs n a 10 10 10 10 Corrections to internal rad...

Page 67: ... existing configuration on the receiver When you reset the receiver back to factory defaults any POWERUP configuration you have transferred to the receiver is discarded and the POWERUP configuration reverts to the factory default settings see Section 7 5 Resetting the Receiver page 59 7 3 Data File Naming Auto generated file names consist of an eight character base followed by a PDC extension as f...

Page 68: ...lows the first character is a tilde followed by a 7 digit random number and a PDC extension for example 9368412 PDC 7 4 Data Storage Capacity Table 27 indicates the approximate number of hours of data logging to the internal memory for several recording intervals based on the standard 64 MB internal memory NOTE For information about how to download data from internal memory see Section 5 2 Setting...

Page 69: ...t 7 6 Erasing Files Stored on the Receiver Pressing the power button for between 20 25 seconds deletes all the files from the receiver s memory see Section 3 1 Power Button page 20 The receiver will audibly indicate that the files have been deleted see Chapter 4 Audible Annunciator page 34 Table 27 Hours of Storage with 64 MB Logging Capacity Epoch Rate Average Number of Satellites 6 7 8 9 10 11 1...

Page 70: ...sium alloy main body and hardened plastic radome closed with mounting screws and encircled by a rubber bumper Environmental Operating Temperature External battery 40 C to 65 C 40 F to 149 F Internal battery 20 C to 55 C 4 F to 131 F Internal UHF radio 40 C to 60 C 40 F to 140 F Internal GSM GPRS radio 20 C to 55 C 4 F to 131 F Storage Temperaturea No battery 40 C to 85 C 40 F to 185 F Internal bat...

Page 71: ... available in a variety of languages Performance Receiver Technology Pulse Aperture Correlator PAC and Vision Correlator Technologies Frequency 1575 42 MHz L1 1227 60 MHz L2 Channels 72 universal channels 14 L1 14 L2 6 L5 GPS 12 L1 12 L2 GLONASS 2 SBAS Time to First Fix TTFF Cold start 50 sec typical Warm start 40 sec typical Hot start 30 sec typical Signal Reacquisition 0 5 sec L1 typical 1 0 sec...

Page 72: ...tal Latency 0 02 sec typical RTK Initializationi 3 10 sec typical based on satellite constellation and baseline length Time Accuracy relative j 20 ns SA off Height Limit Up to 18 288 m 60 000 feet in accordance with export licensing Power Requirements Power Input External 9 VDC to 18 VDC Internal 10 8 VDC Consumption 5 W using internal radio Port 1 x external power port Internal Batteries standard...

Page 73: ...or when you connect an external power source to the system For more details see Section 6 2 2 External power source page 49 Radio Link UHF 380 to 470 MHz Transmit and Receive Tx Rx 12 5 kHz channel spacing Power consumption typical 1 W RF impedance 50 ohms RF connector type TNC female GSM GPRS Frequencies 850 1800 MHz or 900 1900 MHz band Antenna connector type TNC female Memory Memory Internal 64...

Page 74: ...s quoted above may not be typically supported by some desktop PCs which usually only support a maximum rate of 115200 bps Serial signals supported TX RX RTS CTS Wireless interface Bluetooth v1 1 USB USB version v1 1 Input Output Strobes PPS Outputk A one pulse per second time synchronization output This is a normally high active low pulse 1 ms 50 ns where the falling edge is the reference Mark Inp...

Page 75: ...mode a Storage temperature range is recommended to maintain shelf life of internal batteries b Shock specifications based on receiver without cables attached c English Spanish Japanese French Chinese Russian Italian Portuguese Korean General Tones d Accuracy depends on the number of satellites used obstructions satellite geometry DOP occupation time multipath effects atmospheric conditions baselin...

Page 76: ...ap the Bluetooth Devices icon on the Allegro s desktop or select the Bluetooth icon in the system tray and select Advanced Features Bluetooth Devices 3 Select Tools Device Discovery 4 In the Bluetooth Device Discovery wizard select Next 5 Select Any Bluetooth device and then select Next 6 The device will search for devices and display a list of the devices found Select the GSR2700 ISX serial numbe...

Page 77: ...our data collector with more than one GSR2700 ISX receiver you may want to skip setting it as a favourite Otherwise the device you set as your favourite will always be selected by default 8 Select Tools My Favorites 9 In the COM Port tab select the Use the favorite selected above option and then select the GSR2700 ISX serial number device from the drop down list 10 Select OK ...

Page 78: ...ooth COM Port check box is selected TIP When you configure your instrument communication settings in your data collection software ensure that you select COM6 as the port to connect to on the receiver 14 Select OK You return to the Device Manager list screen Receiver COM ports 15 To view ports available on the receiver that control the data collection or correction reception methods select Device ...

Page 79: ...ing to use the GSR2700 ISX to receive RTK corrections from another Bluetooth enabled device you will need to select XCOM2 as the receiver serial port when you establish communications TIP When you connect to the receiver check the GSR2700 ISX wireless communication status indicators If the Bluetooth connection was successfully established the blue LED will be illuminated For more details about the...

Page 80: ... for rover applications The Epic radio which can be configured at 10 watt output is usually used as a base radio to achieve longer distance transmission Figure 15 Satel Radios Both radios feature an LCD display and keypad buttons that you can use to easily change the units internal settings including modifying the active frequencies Both radios provide a TNC connector on the top of the unit to whi...

Page 81: ...E power connector the device is completely powered from the receiver s supply voltage NOTE See Section 6 3 Powering Peripheral Devices page 50 for more information about using the receiver s internal batteries to power an external radio Both cables use the same 15 pin connector to attach to the radio The connector can be locked down to the radio with screws The other end of the cable is a locking ...

Page 82: ...g the Transmitter Output Power To set the radio s transmitter output power 1 Turn on the radio 2 Select Setup by pressing the Select button 3 On the Setup main menu press the Down button to place the cursor on Radio settings then press the Select button 4 The cursor is on TX level Select Change by pressing the Select button 5 Press Up or Down buttons to select the required TX level 6 Select Set by...

Page 83: ...dio s error correction 1 Turn on the radio 2 Select Setup by pressing the Select button 3 On the Setup main menu press the Down button to place the cursor on Additional then press the Select button 4 The cursor is on Error corr Select Change by pressing the Select button This toggles the setting between ON and OFF 5 When ON is displayed press the Cancel Back button to go back to the Setup main men...

Page 84: ...ted to a receiver The only additional accessories you will require are a power source 12V battery a Y cable and a tripod or some type of mounting system To configure the radio as a repeater 1 Turn on the radio 2 Select Setup by pressing the Select button 3 On the Setup main menu press the Down button to place the cursor on Additional then press the Select button 4 Press the Down button to place th...

Page 85: ...the zip file extract its contents to a folder you can easily find later D 2 Installing the Driver The steps for installing the driver differ depending on your operating system If your operating system is Windows XP see Section D 2 1 Windows XP driver installation page 76 If your operating system is Windows 2000 see Section D 2 2 Windows 2000 driver installation page 77 NOTE If an existing USB driv...

Page 86: ...ar the Search removable media check box 6 Select the Include this location in the search check box 7 Click Browse and locate and select the folder containing the extracted driver installation files see Section D 1 Downloading the USB Driver page 75 8 Click Next NOTE Depending on your PC s Driver Signing Policy Windows might refuse to install this driver or might display a warning For more informat...

Page 87: ...le driver for my device and click Next 4 Select Specify a location and click Next 5 Click Browse and locate and select the folder containing the extracted driver installation files see Section D 1 Downloading the USB Driver page 75 6 Confirm that the driver found is ngpsusb inf then click Next NOTE Depending on your PC s Driver Signing Policy Windows might refuse to install this driver or might di...

Page 88: ... select Start Program Files Sokkia To change the COM port number assignment click Configure In the Configure Ports dialog box modify the number of each USB virtual port then click OK NOTE COM port numbers are linked to the USB port on the PC which allows you to switch receivers without a new COM port being assigned by Windows However if you connect the receiver to a different USB port Windows will...

Page 89: ...m installing device drivers without digital signatures Because the USB drivers are not digitally signed the computer s policy must be either Ignore or Warn in order for you to install the drivers To change the Driver Signing Policy 1 In the Windows Control Panel double click System 2 Select the Hardware tab 3 Click Driver Signing 4 In the Driver Signing dialog box select either Ignore or Warn as t...

Page 90: ......

Page 91: ... It has a known position and transmits messages for the rover receiver which uses the information to calculate its position Sometimes referred to as a reference station Bluetooth Wireless personal area network PAN standard that permits data connections between electronic devices such as desktop computers wireless phones electronic organizers and printers in the 2 4 GHz range Bluetooth depends on m...

Page 92: ...hat specifies a satellite must be at least a specified number of degrees above the horizon before the receiver uses the signals from that satellite Satellites at low elevation angles five degrees or less have lower signal strengths and are prone to loss of lock and multipath Ellipsoid A smooth mathematical surface that represents the Earth s shape and closely approximates the geoid It is used as a...

Page 93: ...l IP based network GPS Global Positioning System A radio navigation system owned and operated by the United States Department of Defense consisting of 24 GPS satellites in orbit at 20 200 km 10 600 miles above the earth GPS signals are freely accessible for civil applications allowing land sea and airborne users to determine their exact location velocity and time 24 hours a day in all weather cond...

Page 94: ...ignals penetrate the ionosphere but are delayed This delay induces error in the GPS GNSS measurements that can result in poor survey results Most GPS GNSS receivers and processing software model the ionosphere to minimize its affects Also the effects of ionosphere can be nearly eliminated by using dual frequency receivers which can calculate the delay due to ionosphere L L1 The 1575 42 MHz GPS car...

Page 95: ...ected The protected or precise code used on both LI and L2 GPS frequencies Phase Center The phase center of a GNSS antenna is the physical location on the antenna where the raw GNSS signals are observed This is the physical location where the computed position will be determined Pseudorange The calculated range from the GNSS receiver to the satellite It is determined by taking the difference betwe...

Page 96: ...stations set up around the world and geostatic satellites designed to receive satellite navigation signals and transmit corrected time and distance measurements to other satellite networks like GPS and GLONASS SIM card Subscriber Identify Module card A small printed circuit board that must be inserted in any GSM based mobile phone when signing on as a subscriber It contains subscriber details secu...

Page 97: ...n of these adjustments compared to GPS time which runs continuously caused a 13 second offset between GPS time and UTC at the start of 1999 However after accounting for leap seconds and using adjustments contained in the navigation message GPS time can be related to UTC to within 20 nanoseconds or better W WGS84 The World Geodetic System 1984 is a geocentric coordinate system designed to fit the s...

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Page 99: ...collecting data 53 59 color coding 13 COM ports 13 30 communication ports 13 30 32 status indicators 30 32 wireless See wireless communi cation components 3 5 9 18 Config Tool 8 17 34 55 Configuration Manager 8 54 57 configurations 53 57 connecting through wireless 32 consumption power 50 covers for ports 11 current maximum 7 customer support 8 D data collecting 53 59 defining for collection 54 57...

Page 100: ...indica tors insufficient power 51 internal radios about 17 antenna 12 17 cautions for use 6 status indicators 32 33 interruptions logging 48 L language selecting 34 LEDs See gauges status indicators log formats 3 logging interruptions 48 memory capacity 58 rates 3 M maximum current 7 memory internal about 15 erasing 22 full or low conditions 35 gauge 25 26 messages See audible annunciator modes of...

Page 101: ...radio 70 setup 39 41 system components 4 S Satel radios configuring 70 74 satellite tracking gauge 24 25 schedules 54 setup about 37 office 38 RTK base 42 46 RTK rover 39 41 static base 46 SIM card 17 socket mounting 7 10 sounds See audible annunciator specifications technical 60 startup sequence 21 static precautions 7 static setup 46 status indicators about 28 communication ports 30 31 internal ...

Page 102: ...ges See audible annun ciator volume setting 34 W warning conditions 28 wireless communication about 1 17 antenna 10 COM activity connection 32 configuring 66 69 connection established or lost 35 36 re establishing a connection 32 status indicators 31 32 ...

Page 103: ...CE DECLARATION OF CONFORMITY POINT Inc Kansas City 16900 W 118th Terr Olathe KS 66061 PH 1 913 492 7585 POINT Inc Calgary 1120 68th Avenue NE Calgary Alberta Canada T2E 8S5 PH 1 403 295 4981 ...

Page 104: ......

Page 105: ...Ph 65 6479 3966 Fax 65 6479 4966 E mail sales sokkia com sg Web www sokkia com sg CENTRAL SOUTH AMERICA SOKKIA Latin America Miami Florida U S A Ph 1 305 599 4701 Fax 1 305 599 4703 E mail sales info sokkiala com Web www sokkialatinamerica com CHINA SOKKIA Co Ltd Shanghai Representative Office Shanghai People s Republic of China Ph 86 21 63541844 Fax 86 21 63172083 E mail sokkia1 online sh cn Web ...

Page 106: ...A NEW ZEALAND POINT Oceania Newcastle New South Wales Australia Ph 61 2 4925 7730 Fax 61 2 4925 7735 E mail pointaustralia bigpond com SOKKIA Pty Ltd Rydalmere New South Wales Australia Ph 61 2 9638 2400 Fax 61 2 9638 2200 E mail sales sokkia com au Web www sokkia com au SOUTH KOREA SOKKIA Korea Co Ltd Seoul Republic of Korea Ph 82 2 514 0491 Fax 82 2 514 0495 E mail sokkia sokkia co kr Web www so...

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