Sokkia GSR2600 Operation Manual Download

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LCD Display

Chapter 6

GSR2600

6.3.7

DOPS

The DOPS1 and DOPS2 menus display various dilution of
precision values.

To access the DOPS2 menu, make sure you are currently on the
GPSDATA > DOPS1

screen, and then press the right arrow on

the GSR2600’s display panel.

SCOE

Satellite coordinate error during computation of the satellite’s
position

ELER

Elevation error due to the satellite being below the cut-off angle

MISC

Misclosure too large due to excessive gap between estimated
and actual positions

NODF

No compatible differential correction is available for this particular
satellite

NOEP

Ephemeris data for this satellite has not yet been received

INVI

Invalid IODE (Issue Of Data Ephemeris) due to mismatch
between differential stations

LOCK

Locked out: satellite is excluded by the user (LOCKOUT
command)

LOWP

Low power: satellite is rejected due to low carrier/noise ratio

OBS2

L2 measurements are not being used by the filter

NOIO

No compatible ionospheric correction is available for this
particular satellite

No observation (a reject code is not applicable)

Table 7: GPS Satellite Messages

GPS
Satellite
Display

Description

750-1-0093 Rev 1.book Page 57 Friday, June 28, 2002 4:02 PM

Summary of Contents for GSR2600

Page 1: ...Tplljb GSR2600 Operations Manual Part Number 750 1 0093 Rev 1 GPS Receiver System ...

Page 2: ...equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or televi sion reception which can be determined by turning the ...

Page 3: ... 1 Setting Up at the Office 7 2 2 Setting Up in the Field 8 Chapter 3 General Components 10 3 1 GSR2600 Front View 10 3 2 GSR2600 Back View 11 3 3 Data Card Access Door 12 3 3 1 Data card 12 3 4 GPS Antenna 15 3 5 Battery Pack 16 3 5 1 Battery pack LEDs 17 3 5 2 Inserting and removing batteries 18 3 5 3 Connecting the battery pack 20 3 6 Ports and Cables 22 3 6 1 Communication ports 23 3 6 2 Power...

Page 4: ...el Operations 33 5 1 Power Button 33 5 2 Audible Annunciator 35 5 3 Escape Button 36 5 4 Enter Button and Navigation Arrows 37 5 5 LCD Front Panel 37 5 5 1 Navigation aids 40 Chapter 6 LCD Display 42 6 1 Menu Layout 42 6 1 1 Navigating the menus 42 6 1 2 Editing screen information 44 6 2 STATUS Home 44 6 2 1 Occupy 47 6 2 2 Battery 48 6 2 3 System 49 6 2 4 Space 51 6 2 5 Contrast 52 6 3 GPS DATA H...

Page 5: ...me 65 6 5 1 File information 66 6 5 2 Del all files 68 6 6 SETTINGS Home 68 6 6 1 Contrast 69 6 6 2 Sleep 70 6 6 3 RTKReset 70 6 6 4 Freset 71 6 6 5 Chg Model 71 6 6 6 GPS Ser 72 6 6 7 GPS Ver 72 6 6 8 SW Ver 72 6 7 CFG SITE Home 72 6 7 1 Number 74 6 7 2 Name 74 6 7 3 Edit Hgt 74 6 7 4 Antenna 74 6 7 5 Execute 74 6 8 CFG COM Home 75 6 8 1 COM1 76 6 8 2 C1 IMode 78 6 8 3 COM2 79 6 8 4 C2 IMode 79 ...

Page 6: ...ion 81 7 1 3 Handheld data collection 82 7 2 Defining Data to be Collected 83 7 2 1 Using receiver configurations 83 7 2 2 Using the POWERUP configuration 84 7 3 Data File Naming 85 7 4 Data Storage Requirements 87 7 5 Data Logging Interruption 87 7 6 Resetting the Receiver 87 Appendix A GSR2600 Specifications 91 Appendix B Glossary 95 Index 107 ...

Page 7: ...23 1 Logging Status 39 2 Position Mode 39 3 Occupation Status 47 4 Battery Status 48 5 System Status 49 6 Space Status 51 7 GPS Satellite Messages 56 8 Interface Modes 78 4 Powerup Configuration Settings 85 5 Auto Generated File Name Convention 86 6 8 MB Data Card Logging Capacity 87 ...

Page 8: ...00 Antenna 15 5 Battery Pack Attached to Receiver 16 6 Battery Pack LEDs 17 7 Insert Batteries 18 8 Battery Pack Front Clamps 18 9 Battery Pack Side Clamps 20 10 Battery Pack Alignment 20 11 Connect Side Clamps 21 12 Connect Power Cable 21 13 Power Port 25 14 GPS Port 26 15 LCD Interface 37 ...

Page 9: ...It is engineered to provide years of reliable operation Don t worry if you have to collect data where signal obstructions are present and frequent interruption of signals are expected the excellent acquisition and re acquisition times of the GSR2600 enables this receiver to operate in those environments As well the GSR2600 features a rugged reliable design for use in adverse conditions Once you co...

Page 10: ...located on the front or rear panel of the GSR2600 receiver The icons identify the Icon Description Rear Panel PWR Power port COM1 Data collector communications port COM2 Radio communications port GPS Antenna port Front Panel Power button Escape button Enter button Arrow buttons ...

Page 11: ...nu and screens listed in the GSR2600 LCD Planning Reference Manual This document shows how to use Planning software to help determine satellite availability as well as information for understanding and setting schedules and configurations Spectrum Survey Suite Reference Manual This document provides information for processing and adjusting your collected data Table 1 Feature Summary GSR2600 Featur...

Page 12: ...America 2232 NW 82nd Avenue Miami FL USA FL33122 Phone 1 305 599 4701 Fax 1 305 599 4703 www sokkia com Worldwide sa htm U K Sokkia Ltd Datum House Electra Way Crewe Business Park Crewe Cheshire CW1 6ZT United Kingdom Phone 44 1270 25 05 25 Fax 44 1270 25 05 33 www sokkia co uk Australia Sokkia Pty Ltd Rydalmere Metro Centre Unit 29 38 46 South Street Rydalmere NSW 2116 Australia Phone 61 2 9638 2...

Page 13: ...rding the installation configuration and operation of the GSR2600 receiver Note Note Notes outline important information of a general nature Caution Warning CAUTION Cautions inform of possible sources of difficulty or situations that may cause damage to the product WARNING Warnings inform of situations that may cause you harm ...

Page 14: ...lity of damage always keep this cover closed except when exchanging data cards Any attempt to remove this access door or the end caps impairs the water resistant qualities of the enclosure and voids the warranty 4 Do not eject the data card while the GSR2600 is logging data or you may lose part of or your entire data file 5 The GSR2600 can accept an input supply voltage in the range 6 to 18 V DC T...

Page 15: ...d to the receiver s COM1 port and a 12 V power supply is connected to the receiver s PWR port Use the office setup to Load a schedule on the receiver using Planning software Transfer collected data from the receiver to your PC The following steps describe how to configure a typical office setup 1 Place the GSR2600 on a desk or other suitable work surface 2 Use the PC Data cable to connect the PC t...

Page 16: ...Up in the Field The following explains how to typically set up your GSR2600 to collect static or kinematic data in the field These steps assume that schedule and logging parameters have already been loaded to the GSR2600 and that an optional handheld data collector is not being used Note If a data collector was being used then at Step 8 when power was supplied the GSR2600 would accept configuratio...

Page 17: ...le between the antenna and GSR2600 Note For static surveys skip Step 6 6 Connect a radio communications cable to the GSR2600 s COM2 port For example this might be a radio modem for receiving differential GPS messages from a base station 7 Insert a CompactFlash card into the GSR2600 8 Connect a power source For example battery to the GSR2600 s PWR port 9 Press the power button to turn on the GSR260...

Page 18: ...onents 3 1 GSR2600 Front View The following is an illustration of the GSR2600 main features located on the front of the receiver Figure 1 GSR2600 Front View Description Description 1 Power button 4 Enter and navigation buttons 2 Data card access door 5 Escape button 3 Screw closing access door 6 LCD display ...

Page 19: ... following is an illustration of the GSR2600 main features located on the back of the receiver Figure 2 GSR2600 Back View Description Description 1 COM2 Port radio communications 3 Power Port 2 COM1 Port handheld communications port 4 GPS Port antenna communications ...

Page 20: ...Data card Data can be stored on a 3 3 V or 5 V compliant CompactFlash data card which can be accessed exchanged and replaced when needed The GSR2600 can store data to the card automatically according to pre configured parameters without any user intervention In applications when continuous user interaction is required a data collector can be used with the GSR2600 WARNING To minimize the possibilit...

Page 21: ...the most appropriate for your needs based on the selected data collection rate The GSR2600 has been tested with SanDisk ATA Type CompactFlash 8 MB 20 MB 40 MB and 80 MB data cards Note If you choose to use a data card that has not been tested with the GSR2600 Sokkia cannot guarantee performance with the untested card 3 3 1 1 Inserting and removing the data card When the access door is open you hav...

Page 22: ...ve the data card follow these steps 1 Open the access door 2 Push in on the eject button to the right of the card to partially eject the card 3 Grasp the card and pull it all the way out CAUTION Ejecting the data card during a data recording session may cause data to be lost If you are unsure if the data card is actually logging data look at the top right corner of the display in the LCD screen If...

Page 23: ...significant measure of immunity against multipath interference This antenna uses Pinwheel technology and is comparable to a choke ring antenna The SK 600 antenna can compensate for up to 13 dB of cable loss Higher cable loss can be used but you should expect an increased degradation in signal strength For more information on cables see Section 3 6 3 1 Antenna cables Page 27 For complete specificat...

Page 24: ...Pack Attached to Receiver The battery pack holds three internal BDC46 Li Ion batteries or equivalent While one battery is powering the GSR2600 as indicated by its LED flashing red the two non active batteries can be replaced without disrupting operation If you install three batteries the GSR2600 will choose the first battery installed as its power source If that battery becomes exhausted for examp...

Page 25: ...easy identification each battery compartment when the battery pack is open lays directly above its associated LED Each LED displays the status of the battery inside its corresponding compartment and appears in one of three states On Off or Flashing Table 2 Battery Pack LEDs State Color Description Off N A Battery in compartment is discharged or no battery is present On Red Battery in compartment h...

Page 26: ...o three batteries can be installed in the battery tray at a time Figure 7 Insert Batteries To insert a battery follow these steps 1 To access the battery compartments open the battery pack by releasing the two clamps holding the compartment closed Figure 8 Battery Pack Front Clamps 2 Orient the battery flat side down with the connector end facing the rear of the battery compartment ...

Page 27: ...clamps to create a seal around the battery compartment that is resistant to dust and water To remove a battery follow these steps 1 Open the battery pack Note If the LED associated with the battery you want to remove is flashing red then that battery is currently in use and should not be removed 2 Apply pressure to the top of the battery with your fingers 3 Push the battery away from the compartme...

Page 28: ...tery Pack Side Clamps To attach the pack to the GSR2600 follow these steps 1 Lay the battery pack on a flat surface with the two surface pads facing up 2 Ensure the battery pack power cable and latches are extended out 3 Place the GSR2600 on top of the battery pack and aligned so that the back of the receiver s front bumper touches the front edge of the battery pack Figure 10 Battery Pack Alignmen...

Page 29: ...ss down on their handles to lock them in place Figure 11 Connect Side Clamps 5 Connect the battery pack power cable to the PWR port on the GSR2600 Figure 12 Connect Power Cable 6 Your battery pack is now fully connected to your GSR2600 receiver Note In order for the battery pack to function the GSR2600 must be turned on ...

Page 30: ...ling cables Before inserting the cable make certain you are using the appropriate cable for the port Line up the red dot on the connector shell with the red index mark on the GSR2600 s receptacle Insert the connector until it seats with a click it is now locked in place To remove the cable grasp the connector by the knurled ring and pull DO NOT PULL DIRECTLY ON THE CABLE Note Cables should be hand...

Page 31: ...2C 9600 bps No parity 8 data bits 1 stop bit No handshaking Echo off For information on configuring the port see Section 6 8 CFG COM Home Page 75 3 6 1 1 Communication cables The two COM ports are bi directional in that they accept communications and output information through the same port Table 3 COM Port Indicators Indicator Glowing Meaning Red Data is being received on the port Green Data is b...

Page 32: ... Data Cable Connects COM2 to the PC null modem Rover PDL Radio Cable Connects COM2 to the Pacific Crest PDL radio for rover setup Base PDL Radio Cable Connects COM2 to the Pacific Crest PDL radio for base setup includes pig tail SAE For further information on the signals or connector pin outs for the serial ports or cables see your GSR2600 Advance Reference Materials CAUTION The power output has a...

Page 33: ...ries See Section 3 5 Battery Pack Page 16 As well the GSR2600 monitors the power supply in three ways Filters and regulates the supply voltage Protects against over voltage over current and high temperature conditions Provides automatic reset circuit protection 3 6 2 1 Power cables The following power cables can be used with the GSR2600 Camcorder Power Cable Connects the PWR port to two 2 camcorde...

Page 34: ...ormation on the battery pack see Section 3 5 Battery Pack Page 16 Further cable information can be obtained from the GSR2600 Advanced Reference Materials For a listing of the voltage levels that the GSR2600 switches from one source to the other or at which the GSR2600 shuts off see Appendix A GSR2600 Specifications 3 6 3 GPS port The GPS port is bi directional in that it accepts RF signals from th...

Page 35: ...r dealer for information on additional cable lengths The performance specifications of the GSR2600 are guaranteed only when it is used with supplied RF cables Note The cable should be connected to the antenna and GSR2600 before power is supplied If the antenna cable becomes disconnected from the antenna or GSR2600 turn the GSR2600 off before reconnecting the cable 3 6 4 General cable The following...

Page 36: ...ect data 4 1 Turn On System The GSR2600 receiver has a power button that when pushed will turn on or off the GSR2600 receiver and system peripherals For more information on power settings see Section 5 1 Power Button on Page 33 4 2 System Inactivity Using the SETTINGS Sleep menu you can set the GSR2600 to automatically turn off if left inactive for a period of five minutes in other words if there ...

Page 37: ...d the following is the behaviour of the GSR2600 receiver When the receiver is on if a schedule is to start within the next five minutes the GSR2600 will remain on If the schedule is not set to start for more than five minutes the GSR2600 will conserve battery power by turning itself off When the time is five minutes before the schedule is to begin the GSR2600 will turn on When you use the Sched me...

Page 38: ...llection sessions over a period of several days while connected to batteries When automatic data collection is enabled the GSR2600 will do the following Turn on early enough so that satellite tracking is established prior to the scheduled logging session Stay on while data is being logged Turn off when the session is complete Note Exceptional conditions may delay the acquisition of satellites beyo...

Page 39: ...rview The following explains how the GSR2600 operates using the data collector and schedules For more information on collecting data and using schedules see Chapter 7 Collecting Data 1 Apply power to the GSR2600 connect it to a battery pack or an external power supply Once the GSR2600 is connected to a proper power supply it is ready to use 2 Turn the system on by pressing the power button The GSR...

Page 40: ...edules currently running on the system will be disabled when the data controller takes control of the receiver Receivers are intended to be used as kinematic or static but not both at one time You should run configurations and schedules only on the GSR2600 when it is being used as a static receiver base station If you need to enter any data on the base station receiver do so in the office using Pl...

Page 41: ...able you to delete all files on your data card or reset the receiver back to factory settings You can see the power button in Figure 1 GSR2600 Front View Page 10 The number of seconds that the power button is held determines how the receiver will behave As well at each time interval the receiver will beep to guide you through the process For more information about sound signals see Section 5 2 Aud...

Page 42: ...actory settings Turn on 1 Hold button for 1 second and release to turn on the GSR2600 To indicate that the GSR2600 is on the LCD will first display a Sokkia screen followed by the message Starting up After initialization the GSR2600 will beep once to indicate that the system is operational and the LCD will display the STATUS menu Turn off 3 Hold the button for 3 seconds until the GSR2600 beeps twi...

Page 43: ... Warning A warning is indicated by three beeps Error An error is indicated by four beeps Note When you hear a three or four beep pattern check your system right away The duration of the beep pattern depends on the message The annunciator may beep a pattern of beeps one time or it may repeat the beeps over and over until you respond Erase memory 20 Hold the button for 20 seconds until the GSR2600 b...

Page 44: ... the menus Page 42 of beeps Duration Condition 1 single Receiver on and ready for operation initiated whenever you initially press the power button to turn the receiver on 2 single Receiver is turning off initiated by pressing power button 2 single Data card erase initiated by power button pressed 2 single Factory reset initiated by power button pressed 2 single Acceptable data quality 3 single In...

Page 45: ... located on the front of the display panel shows a menu for you to communicate with the GSR2600 This section explains the LCD interface but for information on how to use the menu layout and screens see Chapter 6 LCD Display The main menu functions of the LCD are Status GPS Data Configure Receiver Files Settings Configure Site Configure Communications Figure 15 shows the layout of the LCD area Figu...

Page 46: ...ormation being displayed For example if this field displays GPS Lat you would know that you are currently on the GPS latitude screen and when you looked at the screen s main window you would see the receiver s current GPS latitude Logging or Schedule Indicator Shows information about the logging status of the receiver such as whether or not the receiver is logging data to a file Because the receiv...

Page 47: ...a site CONFIG A configuration group is running on the receiver Note The status indicator shows for all groups except the POWERUP group that starts automatically when you first turn on the receiver Table 2 Position Mode Position Mode Indicator Description GPS Position Type NONE No solution NONE HOLD Position has been fixed by the FIX POSITION command or by position averaging FIXED SING Single point...

Page 48: ... when editing fields also known as edit mode For more information see Figure 15 LCD Interface Page 37 FLT Floating L1 ambiguity solution L1_FLOAT FLT Floating ionospheric free ambiguity solution INONOFREE_FLOAT FLT Floating narrow lane ambiguity solution NARROW_FLOAT FIX Integer L1 ambiguity solution L1_INT FIX Integer wide lane ambiguity solution WIDE_INT FIX Integer narrow lane ambiguity solutio...

Page 49: ...en you are in edit mode press Ent while you are on an editable screen the arrow indicators are used as editing aids In edit mode the arrows change to a light color on a dark background and indicate which arrows can be used to edit the field The following illustrations explains the concept of navigation by showing you the arrows that would appear in the navigation aids field for the illustrated men...

Page 50: ...ow have one less piece of equipment to set up and carry to the field making your surveying job easier 6 1 Menu Layout The LCD displays menus that enable you to navigate to and edit information The following sections explain how to move through the different LCD screens and how to edit information 6 1 1 Navigating the menus The arrow keys on the GSR2600 s front panel enable you to move back and for...

Page 51: ...er understand this concept the following illustrations show the results of pressing the Esc button from four levels into the menu system Current position After pressing Esc one time After pressing Esc two times After pressing Esc three times ...

Page 52: ...ultaneously accept the changes and leave the edit mode Note The Esc key is your way to exit the edit mode without making any changes If you press this key the fields original value will remain 6 2 STATUS Home After the GSR2600 turns on and acquires satellites the LCD displays the STATUS menu on by default the Home screen The STATUS Home screen displays the current system time as well as a message ...

Page 53: ...two blinking circles display on the screen then the GSR2600 has a system message either error or notice to display Note To view all the system messages see Section 6 2 3 System Page 49 By using the down arrow key you can see the following screens ...

Page 54: ...continually cycle through screens that display the following information Current system time Current GPS latitude Current GPS longitude Current GPS height Current occupation status Battery status Disk free space on the CompactFlash card Each screen will be displayed for 5 seconds before automatically switching to the next screen ...

Page 55: ...re no adverse environmental conditions and you have a data logging range of at least 0 1Hz The following table shows the meaning of each possible display on the Occupy screen Table 3 Occupation Status Status Occupy Display Description 0Km Insufficient data collected for post processing 5Km Sufficient data collected for post processing a 5 Km baseline 10Km Sufficient data collected for post process...

Page 56: ...only displays the active battery when the power supply is less than 9 V When the power supply is greater than 9 V the Battery menu will display the voltage for the power input and will place around the active power input For example if the GSR2600 is being powered by 13 7 V the Battery menu will display the voltage as A 13 7 V Table 4 Battery Status Status Battery Display Description 4 hours or le...

Page 57: ...ages it is currently reporting The following table shows all the status messages that can be displayed through this menu Table 5 System Status Status System Display Description SYSTEM OK System is operating normally GPS ERROR An error occurred with the GPS engine TEMPERATURE ERR Temperature not within specifications LOW INPUT VOLTAGE Supply voltage is low ANT NOT POWERED Antenna not powered LNA FA...

Page 58: ...ering disabled CLK MDL INVALID Clock model invalid AUX2 STATUS Aux2 status event AUX1 STATUS Aux1 status event UNKNOWN GPS ERR Unknown GPS engine error HARDWARE FAIL Controller hardware fail GPS COMM FAIL Controller GPSCard communication fail EXT POWER FAIL External power source fail INT POWER WARNING Expected battery life low warning both internal batteries combined INT POWER FAIL Battery failure...

Page 59: ...IL Timer fail on last powerup LOW POWER SUBSYS Low power subsystem fail PERIPH OVERLOAD Peripheral power overload FILENAME ERROR Logfile name conflict UNKNOWN PDC Unknown controller error Table 5 System Status Status System Display Description Table 6 Space Status Status Space Display Description The card has at least 80 of its memory free The card has at least 60 of its memory free The card has a...

Page 60: ...Ent to set the new contrast or Esc if you change your mind and do not want to make changes and return to the STATUS menu Note The contrast value is not saved when the receiver is turned off For more information on the Contrast menu see Section 6 6 SETTINGS Home Page 68 6 3 GPS DATA Home The GPS DATA menus provide you with specific GPS data such as the current position or the satellites being track...

Page 61: ...LCD Display Chapter 6 GSR2600 53 From the GPS DATA menu use the arrow keys to move down through the menu items 6 3 1 Lat This menu displays the current calculated GPS latitude ...

Page 62: ...he GPSDATA Lat screen and then press the right arrow on the GSR2600 s display panel 6 3 2 Lon This menu displays the current calculated GPS longitude 6 3 2 1 Lon Std This menu displays the standard deviation for the current calculated GPS longitude To access this menu make sure you are currently on the GPSDATA Lon screen and then press the right arrow on the GSR2600 s display panel ...

Page 63: ...rd deviation for the current calculated GPS height To access this menu make sure you are currently on the GPSDATA Hgt screen and then press the right arrow on the GSR2600 s display panel 6 3 4 Vel This menu shows the horizontal speed over ground in metres per second 6 3 5 Date This menu shows the current date displayed as GPS week and GPS seconds ...

Page 64: ... three fields S PRN number of the satellite CN Number that represents the carrier to noise dB Hz R Message concerning the health of the satellite being tracked The following table shows the messages that can appear on the Sat screen along with the message description Table 7 GPS Satellite Messages GPS Satellite Display Description GOOD Observations are good BADH Bad satellite health is indicated b...

Page 65: ...een estimated and actual positions NODF No compatible differential correction is available for this particular satellite NOEP Ephemeris data for this satellite has not yet been received INVI Invalid IODE Issue Of Data Ephemeris due to mismatch between differential stations LOCK Locked out satellite is excluded by the user LOCKOUT command LOWP Low power satellite is rejected due to low carrier nois...

Page 66: ...lays the following fields HDOP Horizontal dilution of precision TDOP Time dilution of precision 6 3 8 Corr Age This menu displays the differential corrections lag time The Corr Age menu will display NO DIFFERENTIAL if no differential corrections are being received 6 4 CFG RCVR Home The configure receiver menus are used to control the data logging configuration of the system ...

Page 67: ... configurations enable or disable the scheduler and view schedule information Refer to your Planning Reference Manual for more information on configurations and schedules From the CFG RCVR menu use the arrow keys and Ent button to move down through the following screens ...

Page 68: ...t and right arrow keys navigate to the configuration name you want to run 2 Press Ent 3 A menu will appear asking you to confirm that you want to run the configuration Press Ent to confirm or Esc to cancel the operation 6 4 2 Stop Cfg This screen is actually a series of screens that display all of the configurations currently stored on the receiver To stop a configuration follow these steps 1 Usin...

Page 69: ...e scheduler is disabled the GSR2600 will not run schedules To set the GSR2600 so that it will run schedules follow these steps 1 Press Ent 2 Use the up and down arrow keys to set the scheduler to ENABLED 3 Press Ent 4 You will be prompted to confirm that you are sure you want to enable the scheduler If you are press Ent If no press Esc 5 The LCD will now display SCHEDULER ENABLED Follow these same...

Page 70: ...ollection Page 81 and refer to your Planning Reference Manual 6 4 4 Schedule This screen is actually a series of screens that shows information about all schedules stored on the receiver The first screen SCHED 0 stbase displays the schedule number and the configuration that will run The next two screens display the schedule s start and stop times The start time and stop time are specified in the f...

Page 71: ...different character codes each representing a day of the week as follows Examples START t0100 STOP t0200 Schedule starts at 01 00 and stops at 02 00 every Tuesday START mw1800 STOP 2000 Schedule starts at 18 00 and stops at 20 00 every Monday and Wednesday START 0700 STOP 1800 Schedule starts at 07 00 and stops at 18 00 every day START m0205 STOP f1215 Schedule starts at 02 05 on Monday and stops ...

Page 72: ...When satisfied with the new elevation press Ent to set the new value and return to the Cutoff screen Note Changes you make to the elevation cutoff angle are not saved when the receiver is shutdown The receiver will default to a 5 degree cutoff angle on startup 6 4 5 1 Cutoff angles and configurations When a configuration is started the elevation cutoff is automatically set to the configuration s c...

Page 73: ...me The FILES menu enables you to view information regarding a specific file As well you can delete a single file or all files from the removable disk From the FILES menu use the arrow keys and Ent button to move down through the following screens ...

Page 74: ... the removable disk You can navigate through the list of files by using the left and right arrow keys On the FILES Name screen you can use the up and down arrows to see that file s information 6 5 1 1 Size This screen displays the size of the file in bytes Note The FILES Size menu is not updated for files that are still open and logging data ...

Page 75: ...iles that are still open and logging data 6 5 1 3 Del File You can delete the selected file using the Delete File screen To delete a file follow these steps 1 Press Ent 2 Use the up and down arrows to change the delete status to Yes 3 Press Ent 4 You will be asked if you are sure that you want to delete the file Press Ent to continue with the deletion or Esc to abort ...

Page 76: ... down arrow keys to choose Yes 3 Press Ent 4 You will be asked if you are sure that you want to delete the file Press Ent to continue with the deletion or Esc to abort When you choose to delete all files the GSR2600 will close any open data files and then delete the files from the disk 6 6 SETTINGS Home The SETTINGS menu displays system settings and information such as the serial numbers for the r...

Page 77: ...use the arrow keys and Ent button to move down through the following screens 6 6 1 Contrast This menu displays the screen s current contrast value You can modify the contrast of the screen using the Ent key For instructions see Section 6 2 5 Contrast Page 52 ...

Page 78: ... behaviour to the 6100 IS which defaults to ENABLED when turned on If you use both receivers it is important to keep this difference in mind When sleep mode is ENABLED the receiver will turn off during times of inactivity to conserve power An automatic scheduler if enabled will turn the receiver back on for scheduled sessions and the receiver will shut itself down after running the scheduled sessi...

Page 79: ...he up and down arrow keys to select Yes 3 Press Ent 4 You will be asked to confirm that you want to perform the factory reset Press Ent to continue or Esc to abort 6 6 5 Chg Model This menu enables you to switch between models that are present on the receiver To change the firmware model of your receiver follow these steps 1 Press Ent 2 Use the up and down arrow keys to select the model ...

Page 80: ...S Ser This menu shows the serial number for the GPS engine 6 6 7 GPS Ver This menu displays the software version used by the GPS engine 6 6 8 SW Ver This menu displays the version associated with both the software for data collection and the user interface 6 7 CFG SITE Home Use the CFG SITE menu to configure and set site information as well as to enter or leave sites ...

Page 81: ...he receiver The CFG SITE number name antenna height and antenna type menu values all revert to defaults when the receiver is turned back on Example If you enter a site name for an occupation that name will exist until you turn off the receiver The next time you turn on the receiver the site name will default to the value A and you will have to re enter a site name for the occupation Cfg Site and c...

Page 82: ...w site name 6 7 1 Number Use this screen to enter a number for the site 6 7 2 Name Use this screen to enter a name for the site 6 7 3 Edit Hgt Use this screen to configure the antenna height for the site 6 7 4 Antenna Use this screen to configure the site s antenna type 6 7 5 Execute Use this screen to apply to the site the information you set up in the Number Name Edit Hgt and Antenna screens ...

Page 83: ...information you provided To stop a site simply follow the steps above but change the Apply field to No 6 8 CFG COM Home Use this menu to configure the receiver s communication ports which may be used to communicate with a hand controller or to a radio for providing differential corrections From the CFG COM menu use the arrow keys and Ent button to move down through the following screens ...

Page 84: ... s COM1 serial port The COM1 screen displays the following fields Field 1 Serial port s baud rate The following shows the settings available for the field Field 2 Number of data bits the parity and the number of stop bits The following shows the settings available for the field Baud Rate 9600 19200 38400 57600 115200 Data Bits Parity and Stop Bits Description 8NONE1 8 data bits no parity 1 stop bi...

Page 85: ...rrow keys to position the change line under the field you want to modify 3 Use the up and down keys to change the field to a new value 4 Press Ent to change to the new setting or Esc to leave the original settings Handshake Protocol Description N No handshaking S XON XOFF software handshaking H CTS RTS hardware handshaking 9600 8NONE N Baud Rate 9600 Data Bits 8 Parity NONE Stop Bits 1 Handshake N...

Page 86: ...following example shows a possible setup for COM1 Example Table 8 Interface Modes Interface Mode Description NONE The port accepts generates nothing NATIVE The port accepts generates system commands and logs RTCM The port accepts generates RTCM corrections RTCA The port accepts generates RTCA corrections CMR The port accepts generates CMR corrections CMR RTCM CMR Receive Interface Mode This port w...

Page 87: ...settings 6 8 3 COM2 The description of this screen is analogous to that for COM1 with the exception that the settings apply to communications port COM2 See Section 6 8 1 COM1 Page 76 6 8 4 C2 IMode The description of this screen is analogous to that for C1 IMode with the exception that the settings apply to communications port COM2 See Section 6 8 2 C1 IMode Page 78 6 8 5 Aux The description of th...

Page 88: ... be transferred to a PC for post processing and adjustment using Sokkia s Spectrum Survey Suite software package The GSR2600 records raw data in the form of logs which are written to the data file on a periodic basis Sokkia s software interprets these logs and the data that they contain The GSR2600 receiver collects data in three ways Manual data collection Page 80 Scheduled data collection Page 8...

Page 89: ... 15 00 to 17 00 or customized For example tomorrow from 10 00 to 11 00 and the day after from 17 00 to 18 00 Note In order for a schedule to automatically run the GSR2600 s scheduler must be enabled For more information see Section 6 4 CFG RCVR Home Page 58 7 1 2 1 Schedule guidelines The following are the guidelines for setting schedules You can schedule data collection for up to seven days in a ...

Page 90: ...the data collector to the receiver a communication link is established and the handheld controls the behavior of the receiver If you turned on the GSR2600 by pressing its power button the POWERUP configuration if it exists will run until the data collector takes control of the receiver Commands issued to the system through the data collector will supersede any configuration such as POWERUP that is...

Page 91: ... configuration consists of the following Logs List of what type of data to collect ephemeris rawephemb Destination Where the data should be stored data card COM1 or COM2 Interval When the data should be collected every 10 seconds ontime 10 The configuration can also identify position none fixed or averaged and point information such as the antenna height and elevation mask Configurations are trans...

Page 92: ...more information on configurations see Section 7 2 Defining Data to be Collected Page 83 or refer to your Planning Reference Manual The POWERUP configuration is the GSR2600 default configuration and it is always present on the receiver unless you remove it using the Planning software Although you can remove or change the POWERUP configuration using Planning software resetting the receiver back to ...

Page 93: ...ng Although file name conventions are explained in this section you must refer to your Planning Reference Manual for instructions on setting up a schedule Table 4 Powerup Configuration Settings Type of Information Interval Description almanacb onchanged Current almanac ionutcb onchanged Ionospheric and UTC clock parameters rangecmpb ontime 10 Compressed channel range measurements revised rawephemb...

Page 94: ...d name will be 0087 If the day is January 25 then the next three digits of the auto generated name the UTC day of year will be represented as 025 Finally if this is the fifteenth schedule of the day the last digit would be E The resulting name of your file will be 0087025E PDC In the event that a conflict should occur between an auto generated file name or a file name specified in a scheduled entr...

Page 95: ...ging data the GSR2600 will save any open data files before turning off 7 6 Resetting the Receiver A POWERUP configuration refer to your Planning Reference Manual for more information is provided for default data collection Holding the power button down for approximately 10 15 seconds will restore the default factory configuration Hours of Storage on the GSR2600 Epoc Rate Average of Satellites 6 7 ...

Page 96: ...dicate that a reset has occurred For more information on audio features see Section 5 2 Audible Annunciator Page 35 WARNING Holding the power button for approximately 20 seconds will erase all data off the data card For more information see Section 5 1 Power Button Page 33 ...

Page 97: ...e 45 C 49 F to 85 C 185 F Resistance Characteristics Dust and water resistant Humidity 85 RH at 38 C 100 4 F 95 RH at 65 C 149 F Altitude Sea level to 5 000 m 16 404 ft This receiver may operate above 5 000 m in a controlled environment but it is not certified as such Vibration Random Profile The GSR2600 can acquire and track satellites while undergoing vibration levels as shown below It assumes t...

Page 98: ...eted the GSR2600 shuts itself off Real Time Clock A real time internal clock allows the GSR2600 to go into low power sleep mode between scheduled data collection sessions When the GSR2600 is on this clock is synchronized to GPS time of 1 second Performance Subject To GPS System Characteristics Frequency 1575 42 MHz L1 1227 60 MHz L2 Codes tracked C A and P or Y codes Channels 12 L1 L2 channel pair...

Page 99: ...aximum RTK Pseudorange carrier phase double differencing fixed 2 cm RMS accuracies with RTK carrier phase positioning Conditions 10 km baseline length 6 satellites at an elevation 12 after 2 minutes convergence Time Accuracy relative 250 ns SA on does not include delays due to cable on RF section Height Limit Up to 18 288 m 60 000 feet in accordance with export licensing Velocity Limit Up to 515 m...

Page 100: ...tions FCC and CE Complies with the radiated and conducted emission limits for a Class B digital device for both CISPR 22 and Part 15 of the FCC rules For full details see GSR2600 FCC and CE Notice on Page 2 a Accuracy depends on number of satellites visible obstructions satellite geometry DOP occupation time multipath effects atmospheric conditions baseline length survey procedures and data qualit...

Page 101: ...ers Ambiguity The unknown integer number of cycles of the reconstructed carrier phase contained in an unbroken set of measurements from a single satellite pass at a single receiver Also known as integer ambiguity and integer bias Antenna The antenna is the component of a GPS system that collects the analog signal from the GPS satellite and sends this signal to the GPS receiver for processing Auton...

Page 102: ... GPS carrier phase and code observations from a reference station to one or more rover stations Coarse Acquisition C A Code The Course Acquisition or Clear Acquisition code modulated onto the GPS L1 signal Control Segment The Master Control Station and the globally dispersed reference Stations used to manage the GPS satellites determine their precise orbital parameters and synchronize their clocks...

Page 103: ...by movement of its source relative to the observer GDOP Geometric Dilution of Precision GDOP is a composite measure reflecting the effects of satellite geometry on position and time computations PDOP Position Dilution of Precision PDOP reflects the effects of satellite geometry on position computation HDOP Horizontal Dilution of Precision HDOP reflects the effects of satellite geometry on the hori...

Page 104: ...Elevation mask angle An adjustable feature of GPS receivers that specifies a satellite must be at least a specified number of degrees above the horizon before the signals from the satellite are to be used Satellites at low elevation angles five degrees or less have lower signal strengths and are prone to loss of lock thus causing noisy solutions Ellipsoid A smooth mathematical surface which repres...

Page 105: ...s A coordinate system where the position of a point is defined using the elements latitude longitude and geodetic height Geodetic Datum A model of the earth used for Geodetic calculations Geodetic Height ellipsoidal height The height of a point above an ellipsoidal surface The difference between a point s geodetic height and its orthometric height height above ellipsoid equals the geoidal separati...

Page 106: ...tes carry extremely accurate atomic clocks and broadcast coherent simultaneous signals GPS Time The time system upon which GPS is based GPS time is an atomic time system and is related to International Atomic Time in the following manner International Atomic Time IAT GPS 19 000 sec Note IAT and Universal Time Coordinated UTC are closely related The difference is that UTC has leap seconds put in to...

Page 107: ...ay Phase delay depends on electron content and affects carrier signals Group delay depends on dispersion in the ionosphere as well and affects signal modulation codes The phase and group delay are of the same magnitude but opposite sign Kinematic The user s GPS antenna is moving In GPS this term is typically used with precise carrier phase positioning and the term dynamic is used with pseudorange ...

Page 108: ...ken at the remote station to provide a position solution Mask Angle See Elevation mask angle MSL Mean Sea Level Multipath The reception of a satellite signal both along a direct path and along one or more reflected paths The reflected signals are caused by reflecting surfaces near the GPS antenna The resulting signal results in an incorrect pseudorange measurement Multipath Errors are GPS position...

Page 109: ...sical location where the computed position will be determined GPS antennas are manufactured to place the phase center as closely as possible to the physical center of the antenna housing To determine the position of a survey marker on the ground the GPS antenna and thus the phase center is centered over the marker and the HI is measured to the survey marker for use during processing Precise Positi...

Page 110: ...culate its position Remote Receiver The GPS receiver that does not know its position and needs to receive measurements from a reference station to calculate differential GPS positions Residual In the context of measurement the residual is the misclosure between the calculated measurements using the position solution and actual measurements RINEX Receiver INdependent EXchange format A set of standa...

Page 111: ... effects for local applications Site A location or survey point where GPS data is collected Slant height The distance from the survey marker to the edge of the antenna ground plane Using the slant height and radius of the GPS antenna the true vertical height or HI of the antenna can be determined The HI is used in the processing to determine the location of the survey marker on the ground Spherica...

Page 112: ...n geoidal undulation and geoidal height Universal Time Coordinated UTC Time as maintained by the U S Naval Observatory Because of variations in the Earth s rotation UTC is sometimes adjusted by an integer second The accumulation of these adjustments compared to GPS time which runs continuously has resulted in an 13 second offset between GPS time and UTC at the start of 1999 After accounting for le...

Page 113: ...corder power cable 25 COM port default settings 23 Configuration About 83 Run 60 Start new 32 Stop 60 Configure Com ports 75 Data logging 58 Site information 72 Corrections 58 Customer support 4 D DAP data cables 24 Data card Install and remove 13 Logging capacity 87 Data collection Deleting files 68 Logging interruptions 87 Naming conventions 85 Parameters 83 POWERUP 84 Receiver reset 87 Schedule...

Page 114: ...L LCD Display 42 Front panel 37 Menu functions 37 Logging capacity 87 M Manual data collection 80 Memory status 51 Menus CFG COM 75 CFG RCVR 58 CFG SITE 72 FILES 65 GPS DATA 52 Navigating 42 SETTINGS 68 STATUS 44 Messages Audible 35 Satellite 56 System 49 Models switching 71 N Navigation Aids 40 Menus 42 O Occuptation status 47 Operations Basic 28 Display panel 33 P PC data cable 24 PDL radio cabl...

Page 115: ...Screens Antenna 74 Aux 79 Battery 48 C1 IMode 78 C2 IMode 79 Chg Model 71 COM1 76 COM2 79 Contrast 52 Corr Age 58 Cutoff 64 Date 55 Del File 67 DOPS 57 Edit Hgt 74 Execute 74 File information 66 Freset 71 GPS Ser 72 GPS Ver 72 Hgt 55 Hgt Std 55 Last Mod 67 Lat 53 Lon 54 Lon Std 54 Name 74 Number 74 Occupy 47 RTKReset 70 Run Cfg 60 Sat 56 Sched 61 Schedule 62 Size 66 Sleep 70 Space 51 Stop Cfg 60 S...

Page 116: ...nts SDR data cables 24 Setup Field 8 Office 7 SK 600 Antenna 15 Sleep 28 Subsidiaries 4 Support customer 4 System status Audio messages 35 Screen messages 49 Storage limits 51 T Technical assistance 4 U Usage cautions 6 ...

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Page 118: ... 803 803 Fax 39 02 66 803 804 Web http www sokkia nl SOKKIA N V S A Doornveld Asse 3 Nr 11 B1 1731 Zellik Brussels Belgium Phone 32 2 466 82 30 Fax 32 2 466 83 00 Web http www sokkia nl SOKKIA KFT Légszeszgyár u 17 7622 Pécs Hungary Phone 36 72 226 636 Fax 36 72 324 636 Web http www sokkia nl SOKKIA KOREA CO LTD 2Fl Chungam Bldg 129 11 Chungdam dong Kangnam ku Seoul Republic of Korea Phone 82 2 51...

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