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Leica Geosystems GS20 Field Manual
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Leica Geosystems GS20 Field Manual

Leica Geosystems GS20 Field Manual

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Leica Geosystems GS20
Field Guide
Version 2.0
English

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Summary of Contents for Leica Geosystems GS20

  • Page 1 Leica Geosystems GS20 Field Guide Version 2.0 English...
  • Page 2 Tip: Indicates useful information that may help you execute a task. Trademarks • Windows (registered trademark of Microsoft Corporation) • Bluetooth (registered trademark of Bluetooth SIG, Inc.) All other trademarks are the property of their respective owners. Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 3 View of chapters Basic Operation ..............11 Data Collection ..............21 Data Management .............37 Navigation ................45 Job Management ...............49 Codelist Management ............55 Applications ..............57 Utilities ................69 Setup ..................71 Status ................109 Glossary ................111 Index .................115 View of chapters Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 4 Introduction The Leica Geosystems GS20 Philosophy of Operation The Leica Geosystems GS20 PDM was conceived to provide • Data Collection is used for the initial recording and the GIS community with a GPS data collection device that attribution of points, lines, and areas.
  • Page 5 Background Files in the GS20 ....22 1.3.3 Satellite Indicator ........13 2.2.1 Overview ...........22 1.3.4 Differential Corrections ......13 2.2.2 Adding Background Files to a GS20 Job ..22 1.3.5 Memory Card Status .........13 2.2.3 Creating a Background File in 1.3.6 Battery and Time Indicators ......13 GIS DataPRO ...........23...
  • Page 6 3.2.1 Feature Management .......38 5.1.4 Geoid Field File .........52 3.2.1.1 Table Filtering .......... 39 3.2.2 Selecting a Node or “Vertex” ....39 3.2.2.1 Node Management ........39 3.2.3 Feature Table ...........39 3.2.4 Node Submenu .........40 Table of Contents Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 7 8.1.3 Firmware Update ........70 9.3.9 Modifying your Configuration ....79 8.1.4 Sensor Transfer ........70 9.3.10Status Indication ........79 8.1.5 Clear System Memory ......70 9.3.11Connecting to the Station ......79 9.3.12NTRIP ............80 9.3.12.1 An Overview About NTRIP .......80 Table of Contents Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 8 9.8.3.1 Understanding the SBAS Corrections ..94 9.3.12.4 NTRIP Caster ........... 81 9.8.3.2 Changes to the Real-Time Screen ...95 9.3.12.5 Using GS20 with NTRIP service ....81 9.8.4 Connecting to WoRCS Beacon ....95 ID Template Management ......85 9.8.4.1 Powering on the WoRCS ......96 9.4.1 Creating an ID Template ......85...
  • Page 9 10.1 GPS ............109 10.1.1Position ...........109 10.1.2Satellite Information ........109 10.1.3Satellite View ..........110 10.2 Interfaces ..........110 10.2.1Real-Time ..........110 10.2.1.1 RTB Coast Guard Beacon ..... 110 10.3 Hardware ........... 110 11.Glossary ............. 111 12.Index ............115 Table of Contents Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 10 Table of Contents Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 11 Leica Geosystems GEB90, 7.2 volt, 2100 mAh Lithium-Ion to accurately monitor the battery status. To adjust the battery batteries must be used to power the Leica GS20 and WoRCS microprocessor, allow the Leica Geosystems GS20 to equipment. Charge only with the Leica Geosystems battery rundown and automatically power off.
  • Page 12 The open sphere indicates that an autonomous position has been determined and the bullseye target indicates a DGPS solution. Additionally information provided in the text include horizontal and vertical qualities, as well as PDOP. Basic Operation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 13 (Satellites Tracked / Satellites Visible) • Because the Leica Geosystems GS20 does not rely on internal batteries for clock function, time is only displayed 1.3.4 Differential Corrections when 1 or more satellites is tracked.
  • Page 14 Button Functions 1.4.1 Alpha Numeric Keys Keys 1-9 represent the alpha numeric entry keys of the GS20. Similar to a cellular phone, buttons 2-9 contain alpha characters; by pressing the key continuously, all characters on that key will be scrolled. The selection of a character can be made by either selecting a different key, or waiting for the 2 second time-out.
  • Page 15 Page Up 5. Map: Controls the cursor 1.4.5 Menu Button The Menu key is the prime key in the Leica Geosystems GS20 1.4.3 Enter and Escape user interface. Not only can Menu bring you quickly back to Similar to standard Windows’ controls, the Enter key is used the Main Menu to load the paging queue and select a new to either accept a choice or advance an action.
  • Page 16 The Main Menu 1.4.7 Paging The Main Menu is the base level of the Leica Geosystems Because it is often necessary to access several applications GS20 user interface. The Main Menu can be quickly accessed at once (e.g. data collection, navigation, satellite view, etc.) from any application by double clicking the Menu button.
  • Page 17 Zooms, filtering, selection, and autopan GPS are all unique to each applications mapview. Filtered Selected Node Normal: Standard features in Mapview Selected: The currently active feature selection Filtered: Display of features in a current table Basic Operation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 18 An 8 hour constant collection at a 5 second interval only produces 5760 nodes. The map display can be turned off in the Job Management Screen. Basic Operation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 19 3 Page Down and 9 Page Up. 1.5.5.1 Map Filters Two main types of tabular data found in the GS20 are Map filters provide the user with the ability to hide or display selectable and informative.
  • Page 20 Once a table is filtered, the user can select from the filtered table, or view the selected filters in the map view via the context menu choice Table Features. This differs from map filtering in that the data remains displayed, but appears highlighted. Basic Operation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 21 Collection map. Tip: When you create a new job, you have the option of attaching a Coordinate System and Geoid file with creation of the job. Tip: See 5. "Job Management" for more info Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 22 GS20. The graphic file contains the file extension qtr, which stands for quadtree; a method of spatially indexing vector data. When a job is created in the GS20, a graphic file of that same name is also created. From job management, a background screen can be accessed, allowing the user to reference other “background”...
  • Page 23 Tools pull-down menu. A dialog will prompt for a filename and path, with the default To transfer a graphic file from GIS DataPRO to your GS20, being active. The user can select to create a background from select Sensor Transfer from the Tools menu. Right click on all data, or only selected objects.
  • Page 24 Menu in Job Management and select it is necessary to reboot to reclaim lost space once a Background Maps, and press enter on the layer with the new background file is detached from a job. Background Icon. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 25 2.2.7 Label Features Code Management The GS20 provides the ability to label features in a job by A Codelist contains the coding information that may be name. This capability is available in both the Navigation and defined during measurement in the field. Generally, a Codelist Data Management items.
  • Page 26 Codelists are created in the Codelist Manager in GIS DataPRO. 2.3.2 Using the Codelist Manager 1. In GIS DataPRO, select Codelist Manager Form from Tools menu. 2. The Codelist Manager Interface appears (see following graphic). Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 27 1. Click on Codelist and select New Codelist. When a codelist is created the first code is always Waypoint and cannot be changed! 2. Type in name of the New Codelist. 3. Click OK. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 28 2. Fill in the attribute name and properties. 2. Enter codename, type and description to define new code. 3. The Attribute Type can be Normal, Mandatory or Fixed 4. The attribute's Value Type can be Text, Real or Integer Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 29 6. The Default Value can be typed in if None or Range was The Codelist may now be saved with map symbology intact. selected in the Value region. It can be selected if Choice List was used. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 30 6. Select the appropriate COM port and select Codelist from the File Type Choice With your codelist now on the GS20, you are ready to attach it to your job and collect GIS Data. To open an existing job select Open. The Job Management screen is displayed.
  • Page 31 Assign a jobname, creator, coordinate system as well as a Geoid and CSCS file if appropriate. Press the menu button when complete and select Save. A message returns indicating that the job is not associated with a codelist. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 32 After a code is selected, press Enter to open the feature occupation screen. By using the cursor and Enter key, attribution values can be entered. Additional occupation selections can be accessed via the context menu. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 33 Azimuth Distance O/S Pt Aux “A” Aux “B” Example of Dist.Dist O/S Azimuth - Azimuth O/S Pt O/S Pt (Left Solution) Aux “A” Aux “B” (Right Solution) Distance Distance Offset Methods (Graphical) Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 34 The calculation then reverses the course and distance. Tip: When escaping the feature collection, a dialog will allow the user to save or discard the current feature. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 35 Like points, nodes can be collected using the autostop which Clipboard function, allowing multiple point features to can be found in Data Collection\Quality Control settings in the share a common node. Setup menu. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 36 Zoom). Move the cursor to the proper position. Press the Enter key to store the node. For lines and areas press the Escape key after digitizing the feature and confirm by selecting Done. Data Collection Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 37 2. View or modify the feature’s 1 Attribution. 3. Copy, delete or flag the selected feature as a Waypoints via the 7 More submenu, or 4. 3 Deselect the currently selected feature. Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 38 Waypoint. Tip: Linear Perimeter and Polygon area can be calculated in the Attribution screen if a coordinate system has been selected. Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 39 4. Delete the selected feature. row. Leica Geosystems GS20 does not have Undo! Filtered data is shown by a bold outline and can be 5. Set a database flag indicating the feature is a Waypoint progressed through using the feature Next and 2 and if it has been visited.
  • Page 40 4 nodes.) 5. Insert single nodes or stream to append to an existing object. 6. Alter the MapView settings. Node Re-Occupation works in the same way as point collection. Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 41 After an existing node for multiple nodes or 3. Select menu and choose the 2 Node submenu. streaming! 4. In Node table select Modify. 5. Select to paste Before, 2 After, or 3 Replace. Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 42 Purpose of the Geographic Clipboard 2. In the attribution/collection screen, change the collection Unique to the GS20 is the Geographic Clipboard functionality. mode to stream and occupy as you would with a normal The clipboard functionality is similar to the copy and paste collection.
  • Page 43 1. Open Data Collection 2. Open Data Management, select a feature, and then select a node. 3. Copy the node to the clipboard. Page to Data Collection. 5. From Data Collection, select New Feature Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 44 Once a point or node is copied (as shown above), it can be pasted as the Auxiliary or base point in a point offset. This can be done from Azimuth Distance, using the paste function, or is done automatically with Back. Azimuth Dist. Data Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 45 4. Navigation The Navigation application is a means to guide the user to a Waypoints can be created in the Leica Geosystems GS20 by point with known coordinate values. In GPS, these known several methods: point locations are referred to as "Waypoints". The user also •...
  • Page 46 The framed control panel contains a directional guidance arrow, and text fields providing: 1. Azimuth to the Waypoint. 2. Distance to the Waypoint. 3. The user’s course Azimuth 4. The user’s course Velocity. Navigation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 47 This menu allows the user to add a waypoint using WGS84 or Local Grid Coordinate Systems. To access the local coordinate system options, press the Menu key and select local grid. This selection will remain aplied until changed by the user. Navigation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 48 6 More, 2 Clipboard and 2 Select from Clipboard. The feature of the node can now be modified as previously discussed in chapter 3. "Data Management". Tip: Keep both Navigation and Data Management in the paging queue to easily update Waypoints. Navigation Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 49 Coordinate Systems and Codelists are linked to a job, however only the coordinate system is a control in the job properties. The last selected codelist of an open job will be attached to the job. Job Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 50 Introduction perpendicular to the direction of the force of gravity Although the GS20 stores all GPS data in a WGS84 a. The geoid is also an interpolation file, and is based on geographic coordinate format, it is possible to translate your a grid network of gravity reading.
  • Page 51 “Field file” for use in the GPS hardware. These files can then be used in conjunction with the coordinate system on the GS20 to provide transformations, and orthometric height values. Coordinate System Definition...
  • Page 52 LA to serve the Los Angeles Area. The CSCS was named after the global Field File NADCON (North America Data Conversion). To create a field file in DataPRO or Leica Geo Office, simply select the field file generator from the tools pull-down. Job Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 53 Save the Geoid file to the C:\GDP_Data\Geoid directory for easy transfer using data exchange. CSCS field files work under the same methodology, without the need to choose spacing, and instead save to a path C:\GDP_Data\CSCS. Job Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 54 Job Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 55 Manager (i.e. not in the Data Collection codelist). 2. Press the Menu key and select 1 New. 3. Enter a unique codelist name or accept the default. 4. A Creator Name can also be entered (Optional). Codelist Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 56 5. A Code Description can also be entered (Optional). must start with a letter! 3. Select the Attribute type: • Text: All alpha numeric character types • Decimal: Real number values • Integer: Whole number values Codelist Management Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 57 Cultivated Field Control 7.1.1 Introduction CFC or Cultivated Field Control is a GS20 application aimed at providing an accurate record of crop quantities and tolerance in accordance with European Union CAP subsidies. A user can collect or select a polygon, and calculate the area with an error estimate corresponding to a user-defined tolerance.
  • Page 58 Case 21: // Attribute The *.MAS file should be placed in the Data/Apps/CFC directory of the GS20 compact flash. A LOG file name defined by the user will be output to this directory as well. Case 40: // Area Attribute Value 1-20...
  • Page 59 Data Management or • Choose a mask file to properly format the output file Navigation. • Enter the name of the output or “LOG” file • Enter the tolerance or error of calculation Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 60 To Calculate, press the Menu key and select Calculate. A log file of the calculation results will appear on screen. The application does not verify that the area is within the parent object. Be careful when calculating! Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 61 To save your data, and/or get a view of the generated log file, The log file will now be available from the flash card, either press enter and select Write Log or Write & View Log. directly, or through Sensor Transfer.. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 62 4. To return to CFC, press twice 5. Calculate the next area and attach it to the opened log file. 6. From Main Menu you can page to every opened application. 7. In Main Menu select CFC from the table. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 63 Files to be imported into a job must be placed in the • Choose the From File - the file to be imported into the Data directory on the Compact Flash card. current job. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 64 • Enter a name (with extension) for the exported file in the • Select the field position that contains the Node Name, To File input box. Northing, Easting and Elevation. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 65 • Select a job in the Job Management menu • Select Export. The exported file is placed in the Data directory on the Compact Flash card. Press the Menu button and select Background Maps. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 66 Import Shapefile Background. The following Import interface will appear: • Once in the Import interface select the folder in which the Shapefile is stored (they are located in the SHP directory of the compactflash card). Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 67 Select 6 Applications from the Main Menu, 2 File Conversion and 4 Export Shapefile. • Select the File Coordinate System and File Coordinate Units. • Press Apply The exported file is placed in the SHP directory on the Compact Flash card. Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 68 Applications Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 69 Browser Controls File Browser The File Browser screen can be reduced to four main controls. The File Browser is the Leica Geosystems GS20 equivalent • The Device/Path control allows the user to choose of Windows’ File Explorer. The file browser provides the ability between the PCCARD and the SM “System Memory.”...
  • Page 70 When new firmware (or software) is available for the Leica Sensor Transfer is used to transfer files between Leica Geosystems GS20, the update will normally be provided on Geosystems GIS DataPRO and the Leica Geosystems GS20 compact flash media. If however the file is delivered in another via serial cable or bluetooth.
  • Page 71 Leica occupations, which require that each ambiguity resolution Geosystems GS20 to allow the user to begin data collection is a separate calculation. For this type of data collection, a immediately. New configurations can be created and default...
  • Page 72 • RTNET enables the GS20 to receive real-time corrections Tip: Changes will not take place until the configuration is via mobile phone or GSM. This setting allows the GS20 to saved. receive corrections and rebroadcast NMEA on the same port at the same time.
  • Page 73 Interfaces: External devices connected via wireless or pressing Enter. hardware serial ports, NMEA output settings, ASCII input controls and device settings for real-time correction systems. • Units and Formats: How data is entered and displayed on the unit. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 74 The Bluetooth connectivity controls provide the user with the Hardware Management is used to modify functions unique to ability to select and connect to the Leica Geosystems WoRCS the Leica Geosystems GS20 unit. This is accessed by accessory belt and the PC Sensor Transfer unit.
  • Page 75 Clearing a Selected Device Overview 1. Expand the “Wireless” and “Bluetooth: Leica” tree In order to use the GSM or Modem abilities with the GS20, branches. you must either have a hardware device currently supported 2. Highlight the wireless port to be cleared and select Menu (see list), or information concerning the AT commands for a and choose Clear.
  • Page 76 By all means, try a device before you buy a device, or call your local Leica support technician. Make sure to expand the list to ensure you have the correct device. 4. Select Menu and Save. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 77 One AT String you may wish to change is dial. By default it is set to pulse dialing, but it can be set to tone with an additional T. Dial ATDT^#^M Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 78 Management. 7. Save the Station file, and select the newly created station 2. Choose your device from the list, and create a new device in the Device. based on that. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 79 The Port being used (Virtual 1) 6. Save the configuration If you chose to use a Bluetooth Device • After saving the Configuration, power off both the GS20 and the Mobile Phone More Status • Power On both units, and you should be prompted for a If your station connects, you will receive a link under the Keycode for bonding.
  • Page 80 DGPS data streaming via the Internet. 9.3.12 NTRIP NTRIP basically consists of three system components: With firmware version 4.0, it is possible with GS20 to access • NTRIP Clients the Internet and to use Internet Services such as the Network •...
  • Page 81 9.3.12.5 Using GS20 with NTRIP service The NTRIP server could be a PC using LEICA GPS Spider. How to configure and use a GS20 Sensor as a real-time rover connected to the Internet using a GPRS device receiving RTCM data from the NTRIP service.
  • Page 82 "Computer" in the Internet in order to receive RTCM corrections. To connect a GS20 with a GPRS device please refer to the 6. Press the Enter key to enable GPRS/Internet and further chapter 9.3.6 "Linking with the Bluetooth".
  • Page 83 (so-called Devices) if you have previously configured it. 12.In the TCP/IP settings you can either choose from a list of profiles if you have already configured one, or create a new by simply typing in a name. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 84 15.Complete the NRIP User ID and NTRIP Password which are given from the NTRIP service provider. Passwords are in most cases case-sensitive. You can change from Upper to Lower case by pressing the Menu key and selecting Lower or Upper Case. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 85 1 New. 2. Choose the Object Type from the drop down picklist. 3. Enter a template Prefix (i.e. USGS) 4. Select the start number, otherwise defaulted to 1. 5. Select an auto increment number. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 86 Modifying an Existing Device 1. From the Device List, select Menu and choose 2 Properties. 2. Modify the Device name, and edit the hardware port settings if necessary. 3. Select Menu and choose Save. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 87 A default library of 3 antenna types is available, the Leica strength threshold to provide reception in dense foliage. Geosystems GS20 Internal, the AT501 Pole (external), and Tip: Max/Hyper Track does not allow for phase collection. the AT501 Tripod (external) and AT1201. For normal use, the...
  • Page 88 0-180 degrees (East and West) for Longitude. Quality defined (e.g. Horizontal) is achieved. • Positions: The occupation will be stopped once the number of positions required are collected. Positions must achieve the required quality to be stored. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 89 The Interface subgroup controls how external devices interact user that the defined quality has been exceeded. with the Leica Geosystems GS20. The interfaces are further subdivided into Real-Time, Offset Devices, and NMEA Line Quality Output.
  • Page 90 Phase Wizard works, and step-by-step instructions • WoRCS 1: The 5 pin Lemo Port located on the bottom of on its use. Because the GS20 can be used with both SKI PRO the WoRCS Bluetooth Hub. and GIS DataPRO, both platforms will be discussed below.
  • Page 91 If, however, at any time the GPS lock drops below 4 satellites, the phase chain will be broken and the user is required to initialize another static point. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 92 In order to provide the correct information, the user must enter a baseline selection. Both the baseline length and antenna height of an occupation can be entered from the menu dialog in the codes screen. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 93 1. Select 8 Setup from the Main Menu and 1 Config Sets. SBAS is selectable from this MENU. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 94 5. Set the source to SBAS. 9.8.3.1 Understanding the SBAS Corrections 1. The immediate and most notable change will be the SBAS Satellite Icon in the real-time window. This indicates the unit is set for SBAS corrections. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 95 9.8.4 Connecting to WoRCS Beacon A new Source selection allows the user to select none (no If you purchased the Leica Geosystems GS20 with the correction), SBAS, RTCM (Including Real-time Beacon, and Wireless real-time Correction System (WoRCS) you are only Real-time Satellite), Leica and Trimble CMR.
  • Page 96 Once the batteries are fully charged, you can place them in any of the three bays of the battery insert 1. Power on the GS20 and select 8 Setup, 2 Hardware shown below. The battery insert is both hot swappable and Management and the Bluetooth_Wireless Selection.
  • Page 97 When the light changes to green a BLUETOOTH connection is established but no data is exchanged. When both green lights are flashing data is exchanged. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 98 4. Press Enter again on the selected configuration to edit the 9.8.5 Connecting to WoRCS Real-Time Satellite (RTS) setup values. If you purchased the Leica Geosystems GS20 with the 5. Expand the Interfaces branch, highlight the Real-time Wireless real-time Correction System (WoRCS), you are only branch and press enter.
  • Page 99 2. WoRCS RTB Module 3. WoRCS BLUETOOTH Module 4. WoRCS Belt with Belt keepers 5. WoRCS Power Supply Jacked 6. WoRCS RTB Module Jacked 7. WoRCS BLUETOOTH Module Jacked 8. Power Supply to BLUETOOTH Module Cable Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 100 You can now proceed to Checking the real-time Link; if not follow the steps listed below: 1. Power on the GS20 and select 8 Setup, 2 Hardware Management and the Bluetooth_Wireless Selection. 2. Expand the Wireless tree, expand the Bluetooth, and view WoRCS.
  • Page 101 Module, escape to the Main Menu and select 8 Setup. Verify the user-defined configuration named "WORCSRTS" is selected; if "WORCSRTS" exists and is not selected, highlight and press Enter, otherwise select the default “RACAL”. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 102 When points cannot easily or accurately be accessed by direct GPS occupation, you have the option of calculating using an offset method. The GS20 offers four point offset collection methods and works with most laser range finders. The bluetooth modul supports laser range finders and transmits the data cablefree to the GS20.
  • Page 103 Leica DISTO plus - the innovative hand-held laser meter 1. From the GS20 Main Menu, select Setup and Enter your for fast and easy distance selected configuration. measurements of length, squares and volumes with the press of a button. The DISTO plus can be interfaced with the GS20 directly via bluetooth.
  • Page 104 Azimuth Azimuth: Enter Azimuth and Delta Ht for 1st posi- Azimuth - Azimuth O/S Pt tion from Aux Pt. A; then repeat for PT B. O/S Pt (Left Solution) Aux “A” Aux “B” (Right Solution) Distance Distance Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 105 GPS exists. This works by providing an azimuth and distance to a previously located point. The calculation then reverses the course and distance. 2. Collect the value with your rangefinder or enter them manually. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 106 Although a default Auxiliary or base point is created for the offset, you can use the geo-clipboard to select from a stored base point for multiple occupations. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 107 CR “Character Return”, LF “Line Feed” or a combination of the two. 4. Select User Defined if the ASCII information should be written to an Attribute field. If selected, enter the name of the Attribute field. Setup Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 108 9.9.3 Formats Units and Formats • Local Time Zones (Arranged by distance from Greenwich Units and Formats allow the Leica Geosystems GS20 to be Mean Time) entered and display according to the users specifications. • Daylight Savings Time: Check box 9.9.1...
  • Page 109 10. Status The Status application of the Leica Geosystems GS20 10.1.2 Satellite Information provides feedback concerning current position, satellite The satellite information screen displays a tabular listing of the location, signal strength, real-time differential corrections, and satellites that should be visible based on the current almanac system information.
  • Page 110 The exterior ring represents the mask angle, the next interior ring is 45 degrees, and the most interior 60 • Serial Number degrees. • Firmware Version • Total Available RAM (in bytes) • Battery Level Status Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 111 A horizontal angle measured clockwise from a direction meters. (such as North) Differential Corrections Bluetooth The determination of relative coordinates between the A non-proprietary wireless cable replacement. rover receiver from a reference receiver which are simultaneously tracking the same GPS signals. Glossary Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 112 The vertical distance of a point above the ellipsoid. with heavy canopy, for ex. Urban Canyons. ESTB EGNOS Satellite Test Bed A Leica Geosystems GS20 Project consisting of multiple filetypes. Firmware Latitude Embedded software that resides on a hardware device.
  • Page 113 An imaginary line joining north to south pole and passing the satellite to the receiver antenna, scaled into distance through the equator at 90 by the speed of light. Pseudorange differs from the actual range by the inlfuence of satellite and user clock. Glossary Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 114 A ratio of the radio frequency signal strength and the noise floor. Time and Initial Position The time and position value a GPS receiver will use with an almanac to more quickly locate satellites. Glossary Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 115 DGPS .............. 12 Max Track ............87 Differential Corrections ......... 13 Maximum Age of Correction ......90 WAAS ..........71 ..............87 Multiple functions Waypoints ............45 ..............14 Ellipsoidal Elevation ..............14 ........109 Ellipsoidal elevation ........87 Index Leica Geosystems GS20 Field Guide-2.0.0en...
  • Page 116 Environmental Management Systems (ISO standard 14001). Leica Geosystems AG CH-9435 Heerbrugg 733607-2.0.0en (Switzerland) Printed in Switzerland - Copyright Leica Geosystems AG, Phone +41 71 727 31 31 Heerbrugg, Switzerland 2005 Fax +41 71 727 46 73 Original text www.leica-geosystems.com...