Leica SR20 Getting Started Guide
Contents
1. 44 Set Stakeout PoINt_ 16 Reverse Azimuth and Distance 44 Key Codes nennen nne nnns 45 SR20 Getting Started Guide 1 0 0en O 4 Table of Contents 5 Transferring Data from the SR20 47 Using Compact Flash Card Adapter 4T Transfer Data via a Serial Cable 48 6 Using Leica Geo Office 52 L GO Data Processing 52 L GO Overview 52 Creating a Project vccsscececentecessnnccnduvedsonswensewesinwcciecs 53 Importing Data o4 Assigning the Data to a Project 99 OPS PTOCOSSINO serege ornon RE EENE 56 EXPO iaia 57 SR20 Getting Started Guide 1 0 0en Ler Table of Contents 1 Equipment Setup This chapter of the Getting Started Guide illustrates how to The following sketch illustrates setup on a tripod setup the SR20 hardware The SR20 hardware can be setup in several different configurations It can be setup on a tripod with an external antenna for static data collection The SR20 can be setup on a pole with an external antenna for kinematic data collection The SR20 can also be used as a handheld receiver for stake out or data collection Static Setup on a Tripod oetup on a tripod requires the following parts External Antenna Tripod Setup including tribrach and carrier2. DCyPos 0 j Nodes DCyPos 2 good Avg Nodes 0 Reverse Azimuth and Distance The backward or reverse Azimuth and Distance method allows you to calculate your position by sighting a reference point of Known origin A known node or point feature must be copied to the Geo Clipboard The node or point can be copied to the Geo Clip board by map or table in Data Management or Navigation The known feature is automatically selected from the Geo Clipboard in the offset screen No Occupation is necessary DCH Point Offset Back Azimuth Dist From Point Paste Enna azimuth o14 0000000 Distance 25000m Delta Ht nom Pos 0 0 Nodes By Calculating the Back Azimuth Dist Offset without populating the fields i e zero it is possible to create new features with a shared topology to the parent pasted node This topology is maintained when the parent node is post processed or deleted SR20 Getting Started Guide 1 0 0en BEEN Applications amp Other Functions Vv PpP OO you have the menu in hidden mode select ESC to Key Codes display the full Main Menu Then select 5 Setup The same GPS hardware can be used as a GS20 or SR20 To switch the GPS receiver from the GS20 firmware to the Main Men SR20 firmware you will need to enter a key code Contact your 1 Survey local Leica Geosystems representative to order this key code 2 Data Management 3 stakeaut The SR20 does not come standard
3. Leica SR20 Getting Started Guide Version 1 0 English Geosystems Leica SR20 Congratulations on your purchase of a new Leica SR20 w To use the equipment in the permitted AN N manner please refer to the detailed safety instructions in the User Manual 2004 Leica Geosystems AG Heerbrugg All rights reserved Symbols Used in This Manual Symbols used in this manual have the following meanings WARNING Indicates a potentially hazardous situation or an unintended use which if not avoided could result in death or serious injury CE Important paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner Tip Indicates useful information that may help you execute a task Remember These paragraphs contain summarized information or important tips SR20 Getting Started Guide 1 0 0en mo ea View of chapters 1 2 Equipment Setup iter 6 SUV EVN O aereas E E EEE 9 Coninduration SES eran 18 Applications amp Other Functions 27 Transferring Data from the SR20 47 Using Leica Geo OFFICE 52 SR20 Getting Started Guide 1 0 0en Ss i View of chapters Table of Contents 1 Equipment Setup see 6 3 Configuration Sets 18 Static Setup on a Tripod 6
4. workflow will request that you open or create a job Once in the CFC main screen the user will be required to e Select the Area for calculation Mandatory Select any internal areas to be subtracted from the calcu lation Optional Select a mask file Mandatory to save a log file Provide the name of the Log file to be saved e Select a tolerance or error limit for the calculation Survey 2 Data Management 3 stakeaut 4 Applications 2 setup The main Cultivated Field Control menu provides the ability to e Select a feature to calculate e Select interior features to exclude from the calculations Choose a mask file to properly format the output file Enter the name of the output or LOG file e Enter the tolerance or error of calculation Log Mask Log File Limit 5 To select a feature make the feature box the focus of the cursor and press the menu button Areas can also be calcu lated from this menu Get Feature 2 Select from Clipboard 3 Calculate Area ui Main Menu i SR20 Getting Started Guide 1 0 0en 29 Applications amp Other Functions An area can be selected from the table by highlighting the Areas internal to the main feature or parent area can be area and pressing enter An area may also be selected by excluded from the calculation The selection process is iden copying it to the clipboard from a map or table display in Data tical to
5. 1 Inverse 3 Intersection e Inthe Traverse screen select your starting point and enter in the data to compute the next point in the traverse e Enter the azimuth distance delta height and offset SR20 Getting Started Guide 1 0 0en 38 Applications amp Other Functions e Select Traverse Traverse From Point Paste POINTOOOO1 Azimuth 070 0000000 Distance QOu ga m Delta Ht 2 000m Offset O 000rn Enter the point name and code Pos Height Pos anl Height anl Exclude iv You will then be sent back to the traverse screen where you can enter the information to traverse to the next point INTERSECTION This command is used to compute the intersection between two lines This can be done three different ways Azimuth Distance Azimuth Azimuth Distance Distance The Azimuth Azimuth method is used when two points and two bearings are known The Azimuth Distance method is used when one azimuth is known and one distance is known The Distance Distance method is used when only distances are known All three of these methods will compute intersections based on the information entered e Select 4 Applications 4 COGO and then select 3 Inter section to access the Intersection computation 1 Inverse Traverse 3 Intersection The following screen appears listing the three types of inter section calculations that are available You can compute an intersection with an azimuth and dista
6. SR20 Getting Started Guide 1 0 0en 31 Applications amp Other Functions 1 Step Transformations The SR20 Transformation application is used to transform coordinates to a new coordinate system The 1 Step Transfor mation is available for you to convert points from Latitude Longitude and height to a local system This will allow you to work in a local coordinate system in the field In order to create a transformation you will need to locate points with GPS latitude longitude height and also have the local coordinate values Northing Easting Elevation for these points A transformation can be done using both vertical and horizontal position horizontal only or vertical only Itis recommended that a minimum of 4 points be used for both horizontal and vertical control in order to obtain optimum results when performing a transformation Any number of points may be used but the residual values will not be as significant To create a transformation follow these instructions Create a job in the SR20 and collect the points that are going to be used in the transformation See chapter 2 Surveying of this guide for further instruction on how to create a job and collect points e Select 4 Applications from the Main Menu Then select 2 Transformation 1 Step e Name the New Coordinate System that will be created from the transformation calculations Type in the name of the new coordinate system in the New Coord Sys dialog
7. pe E ns SR20 Getting Started Guide 1 0 0en 50 Transferring Data from the SH20 e Select the job you would like to transfer to your PC Right click on the job you would like to transfer and select Copy E A Serial Ports COMI SE Internal Memory EC PC Card EH Files gc Objects E Coordinate Systems H Codelists EH Sensor System pg COMI A COMS e Inthe right hand Contents window navigate to the folder where you would like the job to reside Paste the contents a Data Exchange Manager N Pm xj ci eS My Computer B Files E C Objects E PC Card GPS500 Serial Ports E com C Internal Memory O CI ne Card L ries zi C objets EHS Jobs E liz Greg Greg3 JOBO1 El ROOFI E TE E rFsT Coordinate Systems E L Codelicts i H c3 Sensor System coms BS coms contour dbf contour shp contour shx PCIDumpr sys j PkaCInup log z TerraSynr ini la TMPIDXDB DAT i iJa WORK LOG groups on ustorns01 G SP APerry uni usLurris01 I H E ais on ustorns0l 3 Settings v View Objects After your data has downloaded it is ready for import into LGO SR20 Getting Started Guide 1 0 0en 51 Transferring Data from the SR20 6 Using Leica Geo Office LGO Data Processing The Leica Geo Office LGO is the processing software that should be used with your SR20 data To install this software insert the LGO CD in your
8. SR20 GPS Receiver SR20 Battery SR20 Pole Bracket Antenna Cable PO LO DD YZ Ta SR20_001 SR20 Getting Started Guide 1 0 0en 6 Equipment Setup Kinematic Setup on a Pole Kinematic setup on a pole requires the following parts External Antenna Pole SR20 Pole Bracket Antenna Cable SR20 Battery SR20 GPS Receiver PO LO DD The following sketch illustrates setup on a pole a b d e f C SR20 002 Stakeout using the Handheld Handheld setup requires a SR20 Battery b SR20 GPS Receiver The following sketch illustrates handheld setup SR20 003 SR20 Getting Started Guide 1 0 0en Equipment Setup Getting Started with the Receiver Once the equipment is setup you are ready to begin using your SR20 Please follow the next chapters closely for instruc tions on how to operate the SR20 Other resources available for information on the SR20 are the SR20 Users Manual and the Leica Geo Office online help system SR20 Getting Started Guide 1 0 0en 8 Equipment Setup 2 Surveying Introduction to the Main Menu To turn on your SR20 press the button in the bottom left hand corner of the keypad The unit will beep followed by the Leica splash screen and then the main menu The Icon area is displayed to provide the user with current information about the GPS and hardware H 3 5m n U 4 0m pie POOP 1 9 a 11 03 p m Accuracy af Batter
9. capturing a point select Stop amp Line Area Collection Store The point will be stored and you will be ready to The SR20 also has the ability to collect Lines and Areas collect your next point Toselectthe type of feature you would like to collect Press SUR Z Occupation apr22 1 sra Menu and select 2 Code Type Stop amp Store e Select line or area Point Name PoiNTOn002 Antenna Height 0 000 Point Code E m GDOP 3 0 3 Offset 2 Line Code Time at Pt 00 04 32 4 Occupy 3 Area Code _ Completed 24 o More Main Menu Time fo Complete isUuRyPas 3 good Avg 3 Nodes 0 SURy Pos 0 4 Mades l SR20 Getting Started Guide 1 0 0en 014 Surveying If you selected line or area as the code type you ll notice a change in the interface in the form of two additional buttons To the left of the Occupy button is the mode button The user has the ability to capture data for line and area types using either Point or Stream Mode Point mode is the manual collec tion of nodes or vertices Stream Mode is the automatic collection of nodes i e vertices based on a distance or time setting To the right of the Occupy button is the End button When Occupy is selected to begin data collection it is replaced by the Stop button and the End button becomes active The Stop button merely pauses data collection in the event of nesting another feature allowing you to reoccupy if you are not thro
10. point SBAS Satellite Based Augmentation System is a free real time or differential correction technique WAAS is the correction available in North America and EGNOS is the European equivalent RTREF is utilizing the SR20 as a reference station This configuration will send a real time message out of a port of the SR20 receiver The following sections explain how to create new configura tions modify existing configurations and step through the configuration setup of these four methods to better under stand their differences SR20 Getting Started Guide 1 0 0en 48 Configuration Sets Create amp Modify a Configuration Set From the SR20 Main Menu Select 5 Setup 1 Config Sets press the Menu button located at the top of the SR20 keypad and select 1 New Enter a user defined name for the new configuration o modify this configuration press the Enter button You will be prompted with the following interface ri SEI GPS Data es Interfaces Units and Formats 4 nil Cs There are four categories of available configuration options GPS Data Collection Interfaces and Units amp Formats Examples of options that can be modified include antenna type quality control PDOP filter and offset device parameters Configuration Options To gain a better understanding of these configuration options we will now explore the settings available in each of the four Setup categories GPS First we will
11. project to import the data into e Select File and New Project You will then see this dialog box Mew Project General Coordinates Dictionary Codelist Template Test Project C AProjectsAT est Project BE Project Name Location Limits for Automatic Coordinate Averaging 0 075 m 0 075 m Mas Distance between different solutions Position Mas Distance between different solutions Height Time one In this dialog box enter a Project Name and location to save your project For further information on other selections in this dialog box please refer to the LGO Online Help menu Select OK to create this project SR20 Getting Started Guide 1 0 0en a Using Leica Geo Office Jue neas Select the Import button Importing Data SS pone To import your SR20 data into LGO use the Import option from Import raw data the Import Pull Down menu Look in cb Lu Me o Description ii gt Path JJAGISMo David GeoDbAscilnputlob File name JOBO1 0055 Files of type GPS500 raw data Cancel Include subfolders Settings Repeatthis procedure for all raw data files te views OFS Pi PP rdumet Ports PArterna Rendi Cocke Deport raw dita Coord Sys WGS 7964 NM In the Import menu select the SR20 Raw Data file that was collected in the field You can read this directly from the CF card If you do not have a CF reader refer to Section 5 of this ma
12. selected and the information regarding distance and direction from current location will be displayed Using this information the user is able to navi gate to the stakeout location Stopped Way Pt 280 3 D 18 8km SR20 Getting Started Guide 1 0 0en 17 Surveying 3 Configuration Sets Several default configuration sets are provided with the SR20 to facilitate the commencement of data collection New config urations can be created and default configurations can be modified but any modifications upon a default must be saved as a different name Below is an explanation of four commonly used default config uration sets provided with the SR20 STATIC refers to post processing static phase This type of data collection is used for high accuracy single point occupations which require that each ambiguity resolution is a separate calculation For this type of data collection a status indicator provides user feedback regarding the length of time necessary to occupy a data point in order to provide a high level of confidence that the ambiguity of the point will be resolved KINEMATIC is also a form of phase data collection Ambi guities are resolved on an initial static point and then these corrections are applied to all collected data within an unbroken kinematic chain If at any time the number of available satellites drops below 4 the chain will be broken and the user will be required to initialize upon another Static
13. the Coordinate System of the points in the file e Select the Coordinate Units of the points in the file To Job lane 7 Coord Sys wGs84 Geodetic Import File Type lasci Le j di Coord Units m idt Fram File test txt hdd Elipsoid E Height Type Ellipsoid E Coord Sus WGS64 Geod Delimiter comma Em Coord Units m lids al PT Number Field 1 zz Northing 2 E If a job is not open you will be prompted to open one before Easting 3 ES proceeding with the import process P 4 _ E Select the Height Type Ellipsoid or Orthometric Select the Delimiter a character marking the beginning or end of a unit of data Finally select the field position that contains the Point Number Northing Easting and Elevation N To continue a job must be open New cancel SR20 Getting Started Guide 1 0 0en 36 Applications amp Other Functions To Export e Select 4 Applications from the Main Menu 3 File Conversion and 2 Export ASCII From Jon ST File Conversion DBC apr22 1 Export File Type ascii Format File utility 1 Import ASCII 2 Export ASCII To File metert e Select the Export File Type e Select the Format File This is a user defined file created with the assistance of Format Manager office software which specifies what data e g Northing Easting Code are to be passed along in the export file This file should be gt Selene created in Format Manager and placed in the Convert directory of the C
14. with the ability to receive EO i i l 5 Setup real time data This functionality must also be activated via a B Job Management key code 7 Codelist Management 8 Utilities 3 Stat e The WAAS EGNOS option does come standard on the DISSE e Select 2 Hardware Management To switch between GS20 to SR20 or SR20 to GS20 follow these instructions 1 Config Sets 2 Hardware Management 3 IDTemplate Management 4 Device Management SR20 Getting Started Guide 1 0 0en 45 Applications amp Other Functions e Scroll down to sensor type and press Enter The system will then shut down When you turn the receiver back on it will come up as the new type of receiver User Interface Language sensor Type Time Hardware select the Apply button to make changes effective H Wireless Here you can choose the type of receiver you want to switch to SR20 or GS20 from the combo box e Select Apply to make this change Enter your key code SR20 Getting Started Guide 1 0 0en BENE NN Applications amp Other Functions 5 Transferring Data from the SR20 There are two methods for transferring data to and from the CPS sensor Using Compact Flash Card Adapter Directly from the Compact Flash Card Data can be transferred from the SR20 s compact flash card directly to Leica Geo Office with the use of a card reader To transfer data using this method simply shut down the SR20 remove the compact flash card place the car
15. Actual time will be read from the GPS satellites Data Collection Interfaces Date Units and Formats i Of Measure iL 17 Hour Formats 24 Hour 4 xdi Coordinates Lat Long Marth East Units of Measure includes a list of types of measurements Long LatEast North from which the user may define preferred units Length Weters m Area Meters squared Y Velocity Miles Per Hour Angle Units Decimal Degree BI Angle Farmat North Azimuth C E True Marth Declination 000 0000000 SR20 Getting Started Guide 1 0 0en 26 Configuration Sets 4 Applications amp Other Functions This chapter outlines several applications and functions that are built into the SR20 firmware to facilitate complex data collection Applications included with the SR20 include Culti vated Field Control 1 step transformations database conver sion and coordinate geometry Additional functionality included with the SR20 to facilitate data collection include offsets and real time key codes Cultivated Field Control Introduction Cultivated Field Control CFC is an SR20 application aimed at providing an accurate record of crop quantities and toler ences A user can collect and select a polygon and calculate the area with an error estimate corresponding to a user defined tolerance Additional functionality also allows the user to subtract areas within the external area and save the subse quent data to a t
16. Create amp Modify a Configuration Set 19 Kinematic Setup on a Pole 7 Configuration Options 19 Stakeout using the Handheld 7 c eee nnn e 19 Getting Started with the Receiver 8 Data Collection 22 INFERACES DENTES 24 2 Surveying M 9 Units and Formats 26 rod uao aiao ng Applications amp Other Functions 27 Stop and Go Indicators _ rehen a nanana 9 Cultivated Field Control Tene 2 Satellite Indicator re anaana 9 Introduction i 27 Differential Corrections 9 Setup line nea 27 Memory Card Status 10 Using the Program 29 Battery and Time Indicators 10 1 Step Transformations 32 Start a New Survey ssseseseee eee 11 File Conversion M 35 Create a New Job ceo cece cece 12 liedineo d PCE 35 Create a New Codelist e ne o 12 To Export Tee 37 Data Collection ssec 13 Coordinate Geometry COCO 38 Point Collection LLL 13 CONS c 42 Line Area Collection e 14 Azimuth and DISTANCE cviseseaysaventascnisnnncnstanvenniunn 43 SCO ME 16 Double Azimuth or Double Distance
17. F card e Enter a name with extension for the exported file in the To File input box 4 4 E The exported file is placed in the Data directory on the Compact Flash card SR20 Getting Started Guide 1 0 0en Syl a Applications amp Other Functions Coordinate Geometry COGO The COGO function is an application used for coordinate geometry calculations From the Main Menu select 4 Applica tions then select 4 COGO There are three functions under the COGO application Inverse Traverse and Intersection 1 Inverse Traverse 3 Intersection INVERSE This command is used to calculate the azimuth or bearing distance and delta height between any two points in a job POIMTOOOO1 ua m NorthEast 045 2299900 Grid Dist 96 7 20m Ht Diff 2 360m e Select a Point or Node point on a line or area from the first combo box e Selectthe point or node for which you want to calculate the inverse e To compute the Inverse arrow down and select Calculate The azimuth distance and height difference are displayed in the box below the Calculate button You can also display the bearing by selecting Menu and Bearing TRAVERSE This command is used to compute new posi tions computed from angle and distance computations An initial point is required as well as angle and distance informa tion to the next point e From the Main Menu select 4 Applications 4 COGO and then select 2 Traverse
18. Survey Select 1 Survey from the Main Menu to chapter 3 Configuration Sets 1 Survey e Select the Antenna Type that you will be using z Data Management 3 otakeout 4 Applications 2 setup After selecting 1 Survey from the main menu the user is presented with the Quick Start interface This screen allows the user to quickly set up the SR20 parameters for the survey Config set Antenna Type Job Coord System Codelist Leica kd e Select one of the default Configuration sets SR20 Getting Started Guide 1 0 0en 01 Surveying Create a New Job Create a New Codelist Create a name for the new job Press the Menu button Tocreate a codelist from within the Quick Start Interface select 4 Job and then select 1 New The Job Management press Menu and select 5 Codelist Codelist Manager will screen will appear display TEEN ETTI a Press Menu and select 1 New Enter Name for new cresion Date SE a Mia Press Escape and Save new codelist Job Marne JIOBO3 Creator Creation Date MEARE RNAi Coord System wasaa Geoid File Mong 0 Codelist Name CDLISTOS CSCS File Mong gt Creator Adrienne alee n Toadda code press the Menu button select 5 Codelist then select 2 Codes Enter the Job Name and select a coordinate system e Inthe New Code interface select 1 New Code default is WGS84 Select geoid and CSCS files if neces sary Refer to LGO online help for further material regardi
19. box Then select Apply Job ono ltest New Coord sys SR20 Getting Started Guide 1 0 0en BEEN Applications amp Other Functions e Select the point pairs that you will use for the transforma tion Ce The WGS84 point is the point that you have stored with GPS The Local point is the point that you have entered in or uploaded to the GPS receiver e Select these points from the combo boxes Make sure to match the WGS84 with the corresponding Local point bore pi pa Match Pos Height a WGS84 Pt point Enn Local Pt Ul E Local Pt ID Lacal E Lacal M E If you do not have the Local point in the current job you can enter the local point here e Under Local Pt ID select New Enter a new point number and coordinate values for this point e Use the Match option to select whether you will match each pair by Position Height Position and Height or exclude Make the appropriate setting for each pair that you match WiasB4d Pt Local Pt Local Pt ID Lacal E Local M Ortho Hat Once you have the appropriate setting selected scroll to the Store pt pair button and select Enter A dialog box will SR20 Getting Started Guide 1 0 0en 33 Applications amp Other Functions appear to notify you that the point pair was stored Repeat To see the residuals of the transformation this procedure for all pairs used in the transformation e Select Menu and 1 Results ELE NI HA hatch Po
20. computer and you will be prompted for installation instructions In order to process static and kinematic data you will need a key lock that will be connected on the parallel port of your computer This key lock will activate the ability to process only SR20 static and kinematic data The LGO software is capable of processing data from many Leica receivers including System 1200 GPS and TPS and digital level data In order to utilize these options you will need to purchase the appropriate key lock to activate these options Please see your local Leica representative for more informa tion LGO Overview The LGO software is powerful software capable of numerous applications For the purpose of this manual we will outline how to process specifically SR20 static and kinematic data For further information on LGO please see the detailed Online Help section within the LGO software SR20 Getting Started Guide 1 0 0en 52 Using Leica Geo Office When starting the program you will see the above menu You can access functions within this program via the pull down menus at the top of the screen via the Icons in the top tool bar or along the left hand side of the screen On the left hand side of the screen there are two tabs the Management tab and the Tools tab Under each of these tabs are a number of icons that shortcut the user to different application within the program Creating a Project In order to import data you need to create a
21. d in the compact flash card adapter and place the adapter into your PC The card reader is recognized as an additional drive and as such can be accessed through Leica Geo Office or Windows Explorer Proceed to chapter 6 Using Leica Geo Office for instructions on importing SR20 data into Leica Geo Office n Leica Geo Office using a serial cable SR20 Getting Started Guide 1 0 0en 47 Transferring Data from the SR20 s dnepasExchansedM hteracawii Transfer Data via a Serial Cable cta tipici a LEICA Geo Dlfice Data Exchange Manager Alternatively data can be retrieved from the SR20 through ore tei EM Vem Tods epe Weber He LGO via a serial cable connection between the sensor and the m aria I De ERESSE PC BI recita e Open Leica Geo Office e Select Data Exchange Manager from the Tools Pull down Menu took Export Help Compute seod Separatione Gompube idden Points Create Geoid Model Field File Create CSCS Model Field File Mean Coord hates e Df erences RE 4 filters Right click on the white space and select Settings A Format Manager w view Objects if Design to Field 2 Project Management Coordinate System Management i antenna Management VS Coulis Management x Precise Ephemeris Management E Report Template Management SR20 Getting Started Guide 1 0 0en 4 amp 8 Transferring Data from the SR20 Select the General tab Select GPS 500 for t
22. e quality can be used to filter or notify the user of positions that have exceeded the quality tolerance Line quality is then displayed during data collection when the streaming option is selected SR20 Getting Started Guide 1 0 0en 128 Configuration Sets Interfaces The Interfaces subgroup controls how external devices interact with the SR20 The external devices that can interface with the SR20 include Real Time e g SBAS Offset Devices NMEA and ASCII input Real Time Offset Devices Real Time Output MMEA Output Ascii Input Real Time or Differential Correction involves the GPS receiver receiving correction data to achieve higher accuracy The SR20 supports two combined message formats of the RTCM standard Radio Technical Commission for Maritime services The combined message formats are 9 2 1 2 18 19 and 20 21 CE Real Time RTCM messages are disabled on the SR20 and require a key code to become activated Please contact your local Leica representative for more infor mation The SR20 includes several default devices available for Real Time Interface RTB CSI Real Time Coast Guard Beacon e RS232 Open Standard for e party devices e GSM Global System for Mobile Communications e Modem Devices To view or edit the properties of the device being used press the Menu button and select 2 Device Properties SR20 Getting Started Guide 1 0 0en O 24 Configuration Sets The SBAS default config
23. ed Guide 1 0 0en 9 Surveying Memory Card Status e 1 Survey guides users through job creation and data collection e 2 Data Management provides users with the ability to view collected data in tabular format 3 Stakeout serves as a navigation tool to locate points The memory card status icon provides a graphical represen tation of the percentage of the compact flash used Battery and Time Indicators A4Applications provides the ability to perform Cultivated The battery and time indicators provide information about the Field Control 1 step transformations File Conversion and current status of the onboard battery and the current time Coordinate Geometry obtained by satellites e bSetup allows users to define the configuration that will Because the battery indicator is based on a microproc be used for data collection e g Post Process Kinematic essor in the Lithium lon battery only the onboard battery status can be provided in percentages e Because the Leica SR20 does not rely on internal batteries for clock function time is only displayed when 1 or more satellites are tracked There are five menu options available to the user from the Main Menu Survey Data Management 3 otakeout 4 Applications 2 setup SR20 Getting Started Guide 1 0 0en 0010 Surveying CE For further definition of the default configurations avail able and how to create a customized configuration refer Start a New
24. ended as a minimum The DOP Dilution of Precision Filter is a user definable mask based on satellite geometry SR20 Getting Started Guide 1 0 0en 20 Configuration Sets The Minimum Satellites control allows the user to define how many satellites must be tracked to calculate a position The default setting is 4 satellites because a minimum of 4 satel lites is necessary to calculate a three dimensional position Min Satellites a minimum of 3 satellites are required to obtain a 2D position It is strongly recommended that this only be used for navigation 4 12 satellites will result in a 3L position The Antenna Type setting defines the phase center offset of the antenna These include the AT501 Pole and AX1201 Pole external antenna on a pole the AT501 Tripod and AX1201 Tripod external antenna with Leica height hook offset and the SR20 Internal antenna The Baseline setting approximates the baseline length between GPS receivers This setting determines the suggested time required to occupy a point for kinematic and static data collection CE The Leica SR20 automatically senses when an antenna has been plugged in or unplugged The unit opens and resets the antenna configuration accordingly Antenna Type ATSOl Pole Vertical Offset RENEEEEEEEEENI Phase Center Offse i Height 2 SR20 Getting Started Guide 1 0 0en OO 2A Configuration Sets The Logging screen contains controls to store raw
25. etting Started Guide 1 0 0en 22 Configuration Sets The Quality Control controls are subdivided into Point Quality also applicable for linear node collection and Line Area streaming Point Quality Defined by Horizontal Ez Point Auto Stop Quality a M CQ Warning Horizontal 1 500 Vertical of Positions Point Quality is defined by Horizontal Vertical Horizontal amp Vertical or None CE If only Horizontal or Vertical quality is chosen the other will be disabled Point Autostop has four different settings e None Occupation is manually controlled started and stopped by the user e Quality The occupation will be stopped once the Quality defined e g Horizontal lt 1m is achieved Positions The occupation will be stopped once the number of required positions has been collected Stop and Go Set when collecting static phase data Occupation will be stopped once the time period for data collection has been met This number is determined based on distance from the reference Cs Positions will NOT be stored unless the required quality has been achieved CQ Warning Coordinate Quality Even if Point Autostop is set to none a notification alarm can be set to alert the user that the defined quality has been exceeded To do so this option should be checked Line Quality The Line Quality setting allows the user to define the hori zontal quality tolerance for linear streaming The lin
26. examine GPS setup options Setup Tracking Minimum Satellites Antenna Logging D The Tracking subgroup refers to settings that pertain to the quality of satellite strength based on satellite geometry and field position Tracking settings for the SR20 include Coverage Mask Angle and DOP Filter These settings allow the user to set a minimum threshold in terms of the quality of the signal received by the sensor in order for a point s loca tion to be saved SR20 Getting Started Guide 1 0 0en 149 Configuration Sets Coverage refers to the number of available satellites and their SETA GPS Tracking tt respective strength of signal For Post Processing i e Phase collection because the objective is to collect the most precise data and ensure the highest likelihood of ambiguity resolution Max Trak the tracking option must be set to Max Accuracy This means Hyper Trak that only data from satellites with the strongest signals will be Mask Angle PETIT Tne recorded by the sensor DOP Filter Ce The Max Trak and Hyper Trak settings are for use in Defined by PboP areas of coverage such as dense foliage where signal value 0 g strength is weaker and it is deemed more important to maximize the number of satellites from which the sensor is receiving data Mask Angle is the angle above the horizon which determines the cutoff for tracking satellites A default of 10 degrees is preset and recomm
27. ext log file that can be exported to a personal computer CFC is an additional application that requires a keycode file To purchase the application and receive a keycode please contact your local Leica representative Setup With the possibility to use a mask file the application is open to a variety of output into different ASCII file interfaces The mask file MAS is a simple ASCII text file to be opened with any text editor on a PC E Leica mas Notepad Db da Egit Format View ap BLETCA CFC MASK CODE ALttribure ABILE Area size m Area Accuracy BEGIN Point Block spe goza Bela apis 7 508918 END enn The LEICA CFC MASK is the identifier for any mask file The is the identifier for the end of the mask file The lines between both identifiers are restricted to an amount of 15 each line with 80 Characters maximum The 00 until 99 are place holders for the numer ical values or code attribute info This gives full and easy flexibility to create different output masks for any ASCII type SR20 Getting Started Guide 1 0 0en Sita Applications amp Other Functions Asample Leica mas file right is provided and can be edited to the needs of the user All identifiers are listed below Case 00 Case 01 Case 05 Case 06 Case 07 Case 09 Case 10 Case 11 Case 12 Case 13 Case 14 Case 15 Case 16 Case 17 Case 18 Case 20 Case 21 Case 40 Case 41 Case 60 new l
28. he PC CF Select the COM Settings tab in the Settings dialog Card setting and the Create field Objects for setting e Select COM 1 for the Port setting Select GPS500 for the Instrument setting 21 xl General COM Setinos zixl PC CF Card setting GPS500 General COM Settings Create field data objects for sesso e Pott STERN gt Recognised files Instrument asso v Search in E Documents and Setings AT Users Documen Include subfolders Paily Monc z Stop bits no gl Data bite E z End mark Nurie af Cancel Cancel GPS500 is selected because the SR20 uses the GPS500 data structure SR20 Getting Started Guide 1 0 0en 49 Transferring Data from the SR20 e Connect the serial cable to the SR20 and PC e In LGO double click on Serial Ports in the left hand e On the SR20 select 8 Utilities 3 Sensor Transfer Select contents window of Data Exchange Manager 1 for the Port setting and then select Apply Double click COM1 SUE RR e Expand the PC Card folder expand the Objects folder expand the Jobs folder Port I Device Ae ae NM a Data Exchange Manager Apply select the Apply button to make EC Objects changes effective j u tinte EHE COMI Internal Memory O C PC Cad HCI Files EHCI Objects H I Jobs E Greg E Grogs B 30001 El ROOFI E tt E TEST Ey Coordinate Systeme E 2 Codelists mL Sensor System Ri coms
29. ine Il Il Active Job name Current Date Current Time Number of excluded areas Il Area Size m7 Il Area Accuracy m Perimeter m Il EC Tolerance mf II EC Tolerance 96 Il Area ld Il lower Boundary m upper boundary m Il lower Boundary m Il upper boundary m Area Code Attribute Area Attribute Value 1 20 Area Code Note point id Case 61 Case 62 Case 63 Case 64 Case 65 Case 66 Case 67 Case 71 Case 72 Case 73 Case 74 Case 75 Case 80 north east height m height type Orthometric Ellipsoidal Il geoid height m Point Date Point Time Il CQ North m Il CQ East m Il CQ Hgt m Il CQ Pos m Il CQ 3D m iterator starts with 1 for first point of each area point block Case 99 Il end of point block only necessary to divide point block from footer lines north and east are displayed with 3 digits in meter m If no coordinate system definition is available it is displayed as 360 degree decimal with 9 digits The MAS file should be placed in the Data Apps CFC directory of the SR20 compact flash A LOG file name defined by the user will be output to this directory as well SR20 Getting Started Guide 1 0 0en 28 O Applications amp Other Functions Using the Program Cultivated Field Control can be found under the Application selection in the main menu If a job is not yet opened the
30. input the offset data before occupying the auxiliary point Azimuth Distance Enter Azimuth Distance and Delta Height before occupying the point Azimuth Azimuth Enter Azimuth and Delta Ht for 1st position from Aux Pt A then repeat for PT B Distance Distance Enter Distance and Delta Ht for 1st posi tion from Aux Pt A repeat for position B and choose the solu tion method i e Left or Right Cg Because two solutions exist for a double distance inter sections the user must tell the software on what side of point A B the offset point lies Aux SAT Azimuth Distance O S Pt Aux A Aux B 1100 4P Azimuth Azimuth O S Pt O S Pt Left Solution ap Aux A Aux B DA lw d Right Solution Distance Distance SR20 Getting Started Guide 1 0 0en 42 Applications amp Other Functions Azimuth and Distance To collect a point using offset methods select the desired code as you would for a standard point collection When in the collection screen select Menu and choose 2 Offset You will be presented with the following options for collection e Once in the Offset screen select Azimuth Distance 4 Occupy T Map Main Menu 2 Azimuth Azimuth PO 3 Dist Dist 4 Back Azimuth Dist Attribute Mame COMMENT OC Pos 0 Nodes 0 SR20 Getting Started Guide 1 0 0en 43 o Applications amp Other Functions Collect the value with your rangefinder or enter them man
31. nce two azimuths or two distances 1 Azimuth Dist ra Azimuth Azimuth 3 Dist Dist SR20 Getting Started Guide 1 0 0en 39 Applications amp Other Functions To compute an intersection with an azimuth and To compute an intersection with two azimuths distance Select your first point and the azimuth e Select a point and an azimuth You can also define a e Select the second point and the azimuth and parallel parallel offset offset e Select your second point and the distance from that point Y ter i llel offset Press Menu and Calculate to determine the intersection Ce You can also enter In a parallel offse Pressthe Menu button and Calculate to compute the inter section and to save the new point Azimuth 000 0000000 Parallel Offset o 000m EUNT J Azimuth 000 0000000 Parallel Offset o 000m inda Pointoooo1 Distance o 000m eas PoiNTOO001 Azimuth 000 0000000 Mevallal ein at n AAN rri a SR20 Getting Started Guide 1 0 0en BEEF NN Applications amp Other Functions To compute an intersection with two distances e Select the first point and the distance e Select the second point and distance e To compute select Menu and Calculate You will then be prompted to save the point Distance Node PoIntoooo Distance 0 000m SR20 Getting Started Guide 1 0 0en O A Applications amp Other Functions Offsets When collecting a point offset it is important to
32. ng coordinate systems geoids amp CSCS file crea tion Press Escape and Save the new job This will bring you back to the Quick Start Interface 1 New Code New Attribute 3 Properties Select a codelist to attach to your job There are two Enter the new Name and Type Add a description if neces options The user may either select the default codelist sary Press Escape and Save the new code Generic which contains three codes Point Line and Create additional codes if necessary Otherwise return to Area or the user may create their own codelist the Quick Start Interface SR20 Getting Started Guide 1 0 0en 142 O Surveying After setting all Job parameters select Apply Data Collection i SUR z Occupation apre2 1 att Congratulations you have successfully set all parameters for the SR20 and are ready to proceed with data collection Point Mame PoiNTO0001 Antenna Height 0 000 Point Code Pole r fo Complete iSuRyPas 0 4 Modes 0 Point Collection e Accept the default point name or enter a user defined name by selecting the Point Name input box and pressing Enter e Enter Antenna Height e Select the proper Point Code from the choicelist e Select Occupy to start the data collection CE While a point is being occupied information regarding GDOP time of occupation and percent completed is supplied SR20 Getting Started Guide 1 0 0en B Surveying e When you are through
33. nual for instructions on downloading via cable Select File of type to be GPS500 raw data SR20 Getting Started Guide 1 0 0en 54 Using Leica Geo Office Assigning the Data to a Project The data must be assigned to a project in order to process the data For detailed information on all the options with the Assign window refer to the LGO Online Help Highlight the project that you want to Assign the data into Select Assign e Select Close Assign data to project Jest Project General Settings View data GPS Locatian Ciifrogram FilesiLesca GeasystemsalSDe CA Program Files exc Gecsysbess rDe CA Program Files exc Gecsysbens rDe CA Project e Maser Cr projecteuMattt CiiProgram FilesiLesca GeosystemsalSDe CAPraojectsl TM Testi 2 Projects Test Bobi Ch ProjectelTest Data Gi Prijeti Proper C Projects gary ops C Projects best CilProjecteleys testa CDP Data Projects bestiskLpra wizard CA Program Files exc Geosysteors alot CAProjecbsltest LUI CA Program Files enc a Georyshenn 61504 E The View Edit tab will be displayed The graphical represen tation of your point can be seen from this screen SR20 Getting Started Guide 1 0 0en LEICA Geo Office Project Test Project ff oot Eat Vee Took Wewiidt Dpat Winker hep Os 6B BF GRAA DE vov w 4116 00000 w Hr 16 1000000 N 39 5500000 N A X Coren m T 0009961 ee 9 vent M GPSPee Adune
34. pseudor ange data for post processing static and moving observa tions as well as set the positional update rate for the receiver The positional update rate of the SR20 is one update per second Iv Log Static Observationa Iv Log Moving Observations Observable Logging Ratel 1 EX Position Update Rate 7 Data collected without enabling the logging CANNOT be post processed for corrections If you are collecting data using the STATIC configuration select the Log Static Observations check box If you are collecting data using the KINEMATIC configuration select the Log Static Observations and Log Moving Observations check box In both circumstances the Observable Logging Rate should also be set This rate controls both moving and static logging rates it is recommended that 1 second be used when for kinematic data and a 5 second rate for static data collec tion These settings are of no consequence if you are collecting data via the SBAS configuration however if you lose SBAS real time correction it is good practice to have these settings checked as backup to ensure that you can post process the data using Leica Geo Office Software and prevent against loss of data Data Collection The Data Collection subgroup is where quality settings are defined for both automatic collection and notification alarms E Setup GPS lata Collection i Quality Control Interfaces Units and Formats P SR20 G
35. r D Pores 47777 Breas Codetai Coords 76 44 21 700427 W 29 16 04 41704 N Coord Sys WGS 1904 NUM Select the GPS Proc Tab to continue on to the data processing screen To configure the tabs displayed at the bottom of the LGO screen right click and check the tabs you wish to have displayed Using Leica Geo Office GPS Processing The GPS Processing screen allows you to post process your static and kinematic data e In order to fix a point as a known value right click on the point number and select Edit Point e Setthe Point Class as Control this will allow you to edit the point and put in the true value for that point To begin processing select a point as reference and a point as rover To do this by right clicking on the grey time bar and choose either Reference or Rover e You must have common time between Reference and Rover in order to process x Avena hers E dien Ota Dezsbled Sata Time 7177 7001 11 20 Coord ver har AH i To start the Processing right click and select Process SR20 Getting Started Guide 1 0 0en 56 Using Leica Geo Office After computing a baseline you will be taken to the Results Export tab Here you can look at the results of the computation For p 7 further information on this refer to the LGO Online Help menu To export your results to a final format utilize the Export func tion To store a baseline right click on the point number and Select Sto
36. re Select Export from the pull down menu Choose RINEX ASCII or GIS CAD For further details on these refer to the LGO Online Help menu Export ASCII data ili gt Path CAE sample Data S ample Data File name Test Data Save as type csv Comma delimited csv Cancel Settings Default r Settings p e E Hi Oee afinat Pona P Arina Ji tean C Cont Coord Syg MG 1908 H e Repeat this procedure for all baselines to be processed SR20 Getting Started Guide 1 0 0en 57 Using Leica Geo Office Leica Geosystems AG Heerbrugg Switzerland has been certified as being equipped with a quality system which meets the International Standards of Quality Management and Quality Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 742211 1 0 0en Printed in Switzerland Copyright Leica Geosystems AG Heerbrugg Switzerland 2004 Original text Total Quality Management Our commitment to total customer satisfaction Ask your local Leica dealer for more information about our TOM program e Jfeica Geosystems Leica Geosystems AG CH 9435 Heerbrugg Switzerland Phone 441 71 727 31 31 Fax 441 71 727 46 73 www leica geosystems com
37. s Height ee tole North A pointi 97m ponta C n 67 m wGsB4 Pt pointi b Local Pt Local Pt ID Lacal E Lacal M e Select Menu 3 Save Coord Sys to save the computed To compute the transformation transformation and create a New Coordinate System e Select Menu and 3 Perform Trans 1 Store pt pair 2 Pairs Table 3 Perform Trans 4 Save Coord Sys Main Menu S pL pel 1 Results Max Residuals i Height Local Pt ID Local E Local M SR20 Getting Started Guide 1 0 0en i a Applications amp Other Functions This new coordinate system will be saved and automat ically attached to the current job File Conversion The File Conversion application enables the user to Import ASCII and GSI files into a job or Export a job as ASCII or GSI This application is accessed by selecting 4 Applications from the Main Menu and then 3 File Conversion 1 Cultivated Field Cantral 2 Transformation r1 Step 3 File Conversion 4 COGO To Import e Select Import ASCII 1 Import ASCII 2 Export ASCII CES Files to be imported into a job must be placed in the Data directory on the Compact Flash card SR20 Getting Started Guide 1 0 0en 35 Applications amp Other Functions If a job is open the following Import interface will appear Oncein the Import interface select the Import File Type Choose the From File the file to be imported into the current job Select
38. selecting a main feature but it is possible to select Management or Navigation multiple features to be excluded The 09 command will not only provide the number of features excluded but will provide detail about each feature Batureir Dude IL LOhj 1 i a a i TC Cg The application does not verify that the area is within the parent object Be careful when calculating pq Log Mask Log File Limit Available mask files will appear in the mask selection box Ce A mask file is necessary to create an output file Enter the name of the Log file to be saved In the LOG directory e Select a Tolerance or limit of error SR20 Getting Started Guide 1 0 0en BENE a Applications amp Other Functions To Calculate press Menu and select Calculate A brief narra tive of the calculation will appear on screen Area 31881 3823m sq Accuracy O O000m sq Perimeter 790 7 333m EC Tolerance 966 4166m sq 3 10 95 Boundaries 30692 9664 sq a2853 7335m sq To save your data and or get a view of the generated log file press enter and select one of two choices 2 Write amp View Log 3 View Results Main Menu code Islands area size m 2 162078 4845 area accuracy s 9 9000 attribut one BEGIN Point block 13 50 03 118 886484632 1 13 50 03 118 882112355 3 13 50 03 118 882037592 d Te RS Fw 7 79 REORA URALI M lt li gt The log file will now be available from the flash card directly
39. ually DCIS Point Offset Azimuth Dist JOBO1 Azimuth 256 5499999 Azimuth 256 5499999 Distance 14 380 Distance 14 380m Delta Ht 2 540m Delta Ht 2 540m OC Pas 0 0 Nodes 0 DCyPas 0 Nodes If your rangefinder only calculates a distance you must manually enter the other parameters Select Occupy similar to normal point collection Both manual and auto stop work in offset occupation CE Although a default Auxiliary or base point is created for the BU ds 2 Paste from Clipboard offset you can use the geo EYES clipboard to select from a stored base point for multiple occupations Double Azimuth or Double Distance Collecting an offset using double Azimuth or Double distance methods requires collecting both range and occupation infor mation from two locations e Populate the A fields manually or with a range finder then occupy the point e After the A occupation has taken place the A fields are no longer editable e Populate the B fields then take the B occupation Escaping will allow for points to be re occupied however it is not possible to keep the B collection and re occupy A DC 3 Point Offset Azimuth Azimutn JOB DC 3 Point Offset Azimuth Azimuth JOBL Azimuth A 3180000000 Azimuth A 318 0000000 Delta Ht A Doom Deltatt nom Azimuth B o00 0000000 Azimuth B 3412000000 Delta Ht B foooom DetaHtB nom
40. ugh collecting the feature While the End button ceases data collection In the case of area collection End will close the polygon Point mode Occupy End Area Area Name AREAOOOD Antenna Height Area Code AR1 GDOP Time to Complete SUR Pas 0 Nodes 0 To collect lines or areas using Point mode press menu and select 2 Point To collect lines or areas using Stream mode press menu and select 3 Stream To collect data select Occupy When occupation is complete select Stop and then select End Line or End Area depending on which code type has been specified O 2 Point ab 3 Stream 4 Code Type 3 Line Offset B Mare Main Menu So Complete SURY Pos 0 4 Mades l SR20 Getting Started Guide 1 0 0en 15 Surveying E Atanytime during data collection the user has the ability Stakeout to toggle between the Occupation interface and the u GPS Satellite View by pressing the Page button on the Stakeout allows the user to navigate to a given feature in the keypad field The Stakeout interface provides a point management view map view a compass arrow and information regarding distance from the selected stakeout point Set Stakeout Point Select 3 Stakeout from the Main Menu Press Menu and select 1 Point Management Press Enter to select a point SR20 Getting Started Guide 1 0 0en Surveying The stakeout interface will appear the point you selected for stakeout will be
41. uration is Real Time Correction The To add an offset device setup settings for the SBAS Real Time interface e Select 5 Setup 1 Config Sets SET S Real Time Data e Select the configuration you are working with and press Enter Source WAAD L feed Select Interfaces then select Offset Devices n Place a check mark in the box next to Enabled Satellite PRN E e Select the Offset Device you are using and then select the Test Mode Port through which you plan to be sending data to the SR20 port 1 for direct connection to the SR20 or WoRCs1 WoRCS2 for wireless transfer 4 v Enabled i i Device l T Offset Devices are used to collect points that cannot be Laser Locator easily or accurately accessed for direct GPS occupation In Pn E this case the user has the option of calculating the location of that point based on a given offset The SR20 offers four point offset collection methods and works with most laser range finders Leica s Laser Rangefinder can be interfaced with the SR20 either directly through serial port 1 or with the use of the WOoRCS belt using ports 1 or 2 The latter method allows data to be transmitted to the SR20 cable free SR20 Getting Started Guide 1 0 0en 235 Configuration Sets Units and Formats Formats includes settings for Units and Formats allow the SR20 to be entered and Local Time Zones displayed according to user specifications Date Format e Coordinate Format GPs Cs
42. y amp Time Indicator Indicators Memory Card Status Differential Corrections Stop amp Go Indicators Satellite Indicator Accuracy Indicator The accuracy indicator is displayed once a solution is calcu lated An open sphere indicates an autonomous position has been determined while the bullseye target indicates a DGPS solution Additionally information provided in the text include horizontal and vertical qualities as well as PDOP Stop and Go Indicators When a static position is located such as a point or a node in a line or area the stop and go indicator is displayed as a tripod Once the icon returns to the walkingman the user can proceed to the next collection point Satellite Indicator The satellite indicator provides text based information including the satellite tracking angle the number of satellites visible according to the almanac and the number of satellites currently tracked Satellites Tracked Satellites Visible Differential Corrections When differential corrections are received and interpreted the differential icon appears If the correction is lost after 1 3 of the selected age an exclamation point will appear in the lower left hand corner of the window If it is still absent after 2 3 of the selected age an additional exclamation mark will appear If corrections are lost beyond the selected age a third exclama tion will appear and the icon will then disappear SR20 Getting Start
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