Home

Leica GS20 User's Manual

1. 19 L Latt de 72 Loader ere 62 Logging rate mmmrrerravrrorvrannrvrnsrvrsnnnnrnnrvnnnnner 71 Longitude ne 72 M Mask Angle cccccsssecsssesssssessssessssesssseesees 70 Max ACCuraCy mmererrevrrrvrrrrorrersrrrrsrrrrrsrnerenne 70 Max Track essen 70 Maximum Age of Correction 74 Multiple functions C M A E 14 emir 14 N NMEA Lu 73 P FPG 16 Post Processing WE 71 Pseudo range seen 71 Q ON Mc 72 R Real Time NENNEN 73 RICON 73 S El E 65 Signal to Noise Ratio usssss 93 T Time and Initial Position 72 W ba eel ac 43 Leica GS20 Field Guide 1 1 0en E E Total Quality Management Our commitment to total Leica Geosystems AG Heerbrugg Switzerland has been certified as being equipped with a quality system customer satisfaction which meets the International ISO 9001 150 14001 Ask your local Leica agent for Standards of Quality Management and more information about our TOM Quality Systems ISO standard 9001 program and Environmental Management Systems ISO standard 14001 Seica Geosystems Leica Geosystems AG 733607 1 1 0en CH 9435 Heerbrugg Switzerland Printed in Switzerland Copyright Leica Geosystems AG Phone 41 71 727 31 31 Heerbrugg Switzerland 2004 Fa
2. Field Guide Version 1 1 English H 3 3m LU 4 0m PDOP 1 5 WayPt 105 99 D NA Walk NA VENA Leica Geosystems G 20 Congratulations on your purchase of a new Leica Geosystems System GS20 AW 2004 Leica Geosystems AG Heerbrugg All rights reserved To use the equipment in the permitted manner please refer to the detailed safety instructions in the User Manual 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 ina 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 Leica Geosystems GS20 Field Guide 1 1 0en View of chapters l Basic ele ECH d Le RR 11 2 Wate COMCC OID ee 21 3 Data Management rnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnennnnnnennnnnnn 35 MEE rubri Me a 43 9 Job Management ranrannannnnnnnnnnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnnnne 47 6 Codelist Management e 53 l APPICIUONS se 55 0 VIS 61 EE eebe 63 10 SUS eee nee ee eee eee 93 TGS 95 VM 99 Leica Geosystems GS20 Field Guide 1 1 0en gg View of c
3. e 21 1 3 2 Stop and Go Indicators 13 2 2 Background Files in the GS20 22 1 3 3 Satellite Indicator 13 DOA Overveif mm 22 ee SE Giele i 2 2 2 Adding Background Files to a GS20 Job 22 3 5 Memory Car tatus 2 2 3 Creating a Background File in 1 3 6 Battery and Time Indicators 13 GIS DataPRO 23 1 4 Button Functions BEE 14 2 2 4 Transferring a background File 23 1 4 1 Alpha Numeric Keys enne 14 2 2 5 Viewing the Map o e 24 1 4 2 Power Key Tee 14 226 Turning off the background in the Map 1 4 3 Enter and Escape sse 19 DEN 24 144 Cursor KOS xxaskaexatisz p2dzehdnteiduxk tintas turutimiusd 15 2 3 Code Management 25 1 4 5 Menu jr HS is 2 3 1 Creating Codelists 25 1 4 6 The Main S A Mcr e 2 3 2 Using the Codelist Manager 26 LAr PING eee 2 3 3 Steps for codelist creation 26 1 5 Software User Interface n 17 2 3 3 1 Step 1 Creating a new codelist in 1 5 1 Map Views EE 17 GIS Data bm 27 1 5 2 GPS Symbol and Zoom Controls 18 2 3 3 2 Step 2 Creating Codes in GIS DataPRO 27 1 5 3 Context Menus rrronnrnrnnnornrnnnrnrnnnennnnnnnn 18 2 3 3 3 Step 3 Creating Attributes 28 Leica GS20 Field Guide 1 1 0en O 7 Table of Contents
4. Ce Three satellites can calculate a position assuming a fixed ellipsoidal elevation however this is only recommended for navigational purposes 96 3 Antenna Type By default each configuration is set to the internal patch antenna of the Leica Geosystems GS20 However because external antennas can be connected it is necessary to define the parameters unique to a given antenna A default library of 3 antenna types is available the Leica Geosystems GS20 Internal the AT501 Pole external and the AT501 Tripod external For normal use the user will only need to define the height of antenna above the point be Occupied The Leica Geosystems GS20 automatically senses when an antenna has been plugged in or unplugged The unit opens and resets the antenna configuration accordingly Tip 9 6 4 Logging The Logging screen contains controls to store raw pseudo range data for post processing Static and Moving Observations as well as set the positional update rate for the receiver default 1 second Ce Data collected without enabling the logging cannot be post processed for corrections To Enable Post Processing select the static or moving check box and set the observable logging rate This rate controls both moving and static logging rates so it is recommended that 1 second be used when collecting lines and areas in a job Leica GS20 Field Guide 1 1 0en PT Setup 9 6 5 Initialization The time and initial position cont
5. 1 5 3 Context Menus The context menu in the Leica Geosystems GS20 functions similarly to a Windows context menu however the right mouse click is replaced with the Menu button When the Menu button is depressed a list of choices will be displayed based on the application and the actions taken e Choices in the context menu can either be selected using the cursor arrows Left and Right being home and end or directly accessed via the number keys Tosimplify submenus appear where common groupings exist such as map control functions The submenu is denoted with a right arrow and is accessed via enter or the number key In some instances sub submenus exist Marne li LONGBEAC a REDONDO Leica GS20 Field Guide 1 1 0en 18 Basic Operation 1 5 4 Tables and Filtering Tables are used to display multiple attribute data that cannot be directly edited The table can be navigated by the cursor keys left and right being home and end as well as the overload keys 3 Page Down and 9 Page Up Two main types of tabular data found in the GS20 are selectable and informative e Selectable fields allow the user to make a selection such as choosing a Job or Codelist and are usually identified by a radio button selectable circle Additional options such as New Delete etc usually exist in the context menu JAME CI LONGBEAC REDONDO 5 SNDGO za 3 1025 03 Figure 1 5 Selectable Table e Informative fie
6. 39 3 2 4 3 Inserting Appending and Prepending in Existing Lines and Areas 39 3 3 Using the Geographic Clipboard 40 3 3 1 Purpose of the Geographic Clipboard 40 3 3 2 Flow of use Sharing a common node between blocks cccseceeseeeeeeeeeeeeeeaeees 41 3 3 3 Creating Point Topology 42 NAN 43 4 1 The Navigation Screen 44 4 2 Waypoint Selection and Management 45 4 3 Creating a new Waypoint feature 45 4 4 Updating a Navigated Feature 46 Job Management 47 5 1 Coordinate Systems 48 5 1 1 Introduction nnn 48 5 1 2 Overview rrrrrnarrnnrnnrrnannnnrnnnrnnnnnnnnnnenneene 49 5 1 3 Attaching a Coordinate System 49 5 1 4 Field File eeeseesseeseeessss 50 Codelist Management 53 6 1 Creating a New Codelist 53 6 2 Creating a New Code 54 6 2 1 Creating a New Attribute 54 Leica GS20 Field Guide 1 1 0en 8 Table of Contents T Applications eee eee 55 9 3 4 Clearing a Selected Device 66 7 1 Cultivated Field Control 55 EEE 7 1 1 Introduction eee 55 PRONE EE 66 AE ST PEE 55 TEE qUspa Miss s
7. 2 3 3 4 Step 4 Display Attributes Attaching Map Symbology cccceseecececeeeeeeeeeeeeeeeeeeeeeeeeees 29 2 3 3 5 Step 5 Transferring Codelist to the SENSO EE EE 29 2 4 The Codelist and Occupation 30 2 4 1 The Job Codelist 30 242 Attribution centenis viti ska ER RU Pa Sio re Ea E a 30 2 4 3 Point Collection 30 2 4 3 1 Point Offsets rrrrnrrrrnnrrrannrnarrnrarrnnanrenen 31 2 4 4 Line and Area Collection 32 2 4 5 Modes of Collection 33 3 Data Management 35 3 1 Philosophy of Feature Selection 35 3 1 1 Options with Nothing Selected 35 3 1 2 Options with a Feature Selected 35 3 1 3 Options with a Node Selected 36 3 2 Selecting a Feature 36 3 2 1 Feature Management 36 3 2 1 1 Table Filtering 37 3 2 2 Selecting a Node or Vertex 37 3 2 2 1 Node Management nnnennnennnennnenennenennn 37 3 2 3 Feature Submenu sssss 37 3 2 4 Node Submenu eeeeeeses 38 3 2 4 1 Re Occupying Nodes 38 3 2 4 2 Copying and Pasting Nodes
8. or add shapes cannot be converted into a graphics file To create the Graphics file select Create GS20 Graphic File from the Tools pull down menu A dialog will prompt for a filename and path with the default being active The user can select to create a background from all data or only selected objects Tools Help Create Geoid Model Field File Create CSCS Model Field File Compte Ortho Hgt Create G520 Graphic File G520 Graphic File File location A xl Search Reference Past Process Codelist Manager File name Europe Coordinate System Sensor Transfer Path CAGDP_D ata Graphic General Settings Map Settings Customize Add all objects to graphic file C Only add selected objects to graphic file OK N Cancel Figure 2 4 Creating a background 224 Transferring a background File To transfer a graphic file open Tools Sensor Transfer Right click on Sensors and Add a Sensor Under My Computer browse to the location of the Graphics file Right Click on the Graphic File and send to your connected Device Leica GS20 Field Guide 1 1 0en 23 Data Collection 22 5 Viewing the Map 226 Turning off the background in the Map Display If all has gone according to plan the graphic file will be Similar to the Filtering ability of layers and data types in a Map attached to the current job and will be displayed in Map View View Background files can be turned on and
9. 1 To append a line or area by streaming select the last node of the line and insert 2 After 2 Inthe attribution collection screen change the collection mode to stream and occupy as you would with a normal collection Prepending a Line or Area by Streaming Tip If you are adding to the beginning of a line by streaming you will need to reverse the direction of your collection 1 To prepend a line or area select the first node and insert Before In the attribution collection screen select 8 More Select the insertion order 2 Prepend This will reverse the direction of collection oN Ce Advance usage of Prepend and Append can be used to approach the beginning or end of a line from the opposite direction 3 3 3 3 1 Purpose of the Geographic Clipboard New and Unique to the GS20 is the Geographic Clipboard functionality The clipboard functionality is similar to the copy and paste functionality found in many Windows styled applications This functionality allows the user to select and copy a feature or node to the clipboard and in turn the user can paste to or Select from the clipboard Nodes can be shared between features that can create shared edges For example Street Intersections and Water Lines can have a node topology that facilitates network analysis Parcel corners and edges can allow for shared boundaries Parent Child Topology of point objects can allow a transformer to be intrinsically tied to a po
10. 7 Applications 21 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 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 subsequent data to a text log file that can be exported to a personal computer CFC is an additional application that will require a keycode file To purchase the application and receive a keycode please contact your local Leica representative 7 1 2 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 File Edit Format View Help BLEICA CFC MASKA 20 Attribute 7 21 Area Size mA2 10 Area Accuracy 11 BEGIN Point Block 0678 62 61 63 END aaa Seles 75 91 The LEICA CFC MASK is the identifier for any mask file The Q is the identifier for the end of the mask file The lines between the both identifiers are restricted to an amount of 15 each line with 80 Characters maximum The 00 until 99 are placeholders for the numerica
11. Channel and Station can be defined by the user in Device Properties Leica GS20 Field Guide 1 1 0en 3 Setup Port Three ports are currently available for connection to a Real Time device Port 1 Serial Lemo connection on the bottom of the GS20 e WOoRCS 1 The 5 pin Lemo Port located on the bottom of the WoRCS Bluetooth Hub e WOoRCS 2 The 8 pin Lemo Port located on the switch side of the WoRCS Bluetooth Hub Remember The Bluetooth must be bonded WoRCS in the Hardware Management Log without Corrections If Real Time corrections are lost Data can continue to be recorded for post processing in the GIS DataPRO office software Maximum Age of Correction The user can define how long to use corrections to calculate a Real Time position after the correction source is lost C Although old corrections can be used for longer time periods the degradation of quality becomes exponential with time RTCM The user can choose from type 9 2 which is used with RTB Coast Guard Beacon or 1 2 which is used with RTS and other Satellite correction sources Ce See above section ALMANAC for further explanation 982 GS20 Phase Wizard This document is intended to provide the user with insight into how the Phase Wizard works and step by step instructions on its use Because the GS20 can be used with both SKI PRO and GIS DataPRO both platforms will be discussed below For additional information about the use of SKI PRO or GIS
12. Select Menu and choose Save 96 GPS The GPS subgroup allows the user to specify tracking and logging parameters define the antenna to be used and enter initial coordinates for first time tracking to a new region 96 1 Tracking The tracking screen is comprised of three controls e Max Accuracy Max Track Hyper Track radio button Is a selection that is mostly dependant upon the GPS environment Max Track and Hyper Track are Leica Geosystems innovations that allows for signals to be tracked at a lower strength threshold which provides reception in dense foliage Tip Max Hyper Track does not allow for phase collection High precision points should be collected in Max Accuracy e Mask Angle Is the angle above the horizon which determines the cutoff for tracking satellites Remember Because a greater distance through the atmosphere must be penetrated for low elevation satellites a default of 10 degrees Is preset and recommended as a minimum Leica GS20 Field Guide 1 1 0en 70 Setup e The DOP or Dilution of Precision Filter is user definable mask based on satellite geometry This is a setting normally used for autonomous i e correctionless collection 962 Minimum Satellites The Minimum Satellite control allows the user to define how many satellites must be tracked to calculate a positions The default setting is 4 satellites because a minimum of 4 satellites is necessary to calculate a 3 dimensional position
13. WRCSRTS is selected if WRCSRTS exists and is not selected highlight and press Enter otherwise select the default RACAL 4 Press Enter again on the selected configuration to edit the setup values 5 Expand the Interfaces branch highlight the Real time branch and press enter 6 Make sure the Device is set to RTS and the port is set to WoRCS 1 Leica GS20 Field Guide 1 1 0en 85 Setup SOurce Device ATS Module Port WORCS 1 R W Log without Corrections Max Carr Age s 50 RTCM L HICM Version 7 Escape and save the values then escape and save the configuration Ce If you are editing a default configuration you will be prompted to provide a configuration name 8 Escape to the main menu and return to the status Interface Real time branch to check the status of the real time device You should now see values for the Station ID frequency bitrate etc 9 8 6 Offset Devices 9 8 6 1 Configuration of the GS20 When points cannot easily or accurately be accessed by direct GPS location 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 WoRCS Belt supports the laser range finder and transmits the data cablefree to the GS20 Again we will be using the Leica Laser Locator see below Leica Geosystems Laser Locator Laser Rangefinder e Inclinometer Magnet
14. 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 GS20 compact flash A LOG file name defined by the user will be output to this directory as well Leica GS20 Field Guide 1 1 0en S Applications 7 1 3 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 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 e Select any internal areas to be subtracted from the calculation Optional e 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 1 Data Collection 2 Data Management 3 Navigation 4 Job Management 2 Codelist Management B Applications T Utilities D Setup 3 Status The main Cultivated Field Control menu provides the ability to Select a feature to calculate 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 Enter the tolerance or error of calculation Log Mask Log File Limit ah aH To Select a feature make the feature box the focu
15. Centre amp radus Bents field file generator from the tools pull down BEER entre poi Latitude 33 18 20 00000 N Longitude 118 24 32 00000 W Spacing 2000 0 m File size 1686 bytes Radius 25000 m Close or Centre radius Extents South west comer North east comer Latitude p U aoon N Laudo 0 O 0 00000 N Longitude OY U 0 00000 E Longitude 0 0 00000 E Spacing m File size bytes Leica GS20 Field Guide 1 1 0en E Job Management 1 To Create a Geoid Field file choose the Global Geoid file and then select a center and radius or South West and North East limits can be selected Name ize Bis Ellipsoid Coordinate Type Path of EXE file C Program Alles Leica Geosystems lS Da Geographic or Grid coordinate entry will be determined based on the coordinate type defined in your global geoid file Pay special attention to the cardinal direction of geographic coordinates 2 Select a spacing for the field file to be interpolated extrapolate to e Geoid99 was created on a grid of 1 arc minute or roughly 1800 meters It is probably not necessary to expand or refine this spacing 3 Select a Radius if using the Center and Radius method and Save Ce 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 Leica G
16. DataPRO please refer to the documentation included with those packages 98 21 Overview The phase wizard was created to provide the user with an easy to use interface for collecting high accuracy data with the GS20 Additionally the phase wizard collects data in a way that can be processed more efficiently in SKI PRO or GIS DataPRO creating a simplified process for the user both in the field and in the office The GS20 Phase Wizard allows the user to select from Static Phase Collection Kinematic Phase collection or No Phase Code only Collection By choosing one of these methods the setup configuration file is automatically modified without additional input from the user Leica GS20 Field Guide 1 1 0en KC a Setup 9 8 2 2 Static Phase Static Phase collection is optimized for high accuracy single point occupations which require that each ambiguity resolution be a separate calculation In order to optimize this collection moving or kinematic chain data is not logged and streaming occupation is unavailable In this configuration the user will enter antenna height and baseline length from the reference station A status indicator will then provide user feedback on the length of time needed to occupy a point to provide a high level of confidence that the ambiguity of the point will be resolved 9 8 2 3 Kinematic Phase Kinematic Phase collection is designed to resolve ambiguities on an initial static point and apply those same cor
17. Date and the Template type followed by e g Point00001 Additionally No Template can be selected allowing for manual entry by the user 9 4 1 1 From the ID Template Manager select Menu and choose 1 New 2 Choose the Object Type from the drop down picklist Creating an ID Template 3 Enter a template Prefix i e USGS 4 Select the start number otherwise defaulted to 1 5 Select an auto increment number 942 Modifying an Existing Template 1 Inthe ID Template Manager select the Object Type to be modified 2 Select the ID Template Name to be modified Edit the Prefix Start and Auto Increment fields 4 Select Menu and enter on Save e Leica GS20 Field Guide 1 1 0en 69 Setup 95 Device Manager The Device Manager provides a library of all devices available for Real Time Offset and ASCII Input The Device Manager allows for existing devices to be modified as well as New Devices to be created 9 5 1 1 From the Device List select Menu and choose 1 New Creating a New Device Tip The Properties of the previously highlighted device will be copied including the next sequential number of the Device name 2 Edit the Device name and edit the hardware port settings if necessary 3 Select Menu and choose Save 952 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
18. Feature 5 Table Features d 4 Table Faaiu away d 5 Deselect f vap Filter 5 Map Main Menu 7 Map Filter select from Clipboard Main Menu 3 2 Selecting a Feature In order to view or manipulate feature data a feature must first be selected Selection can be performed from a table of features via Feature Management or graphically from a map 3 21 Feature Management Tabular selection of a feature is done from the Feature Management menu Once in Feature Management by default features will be listed alphabetically point line and area templates will group like features and present them in a numerical order However by choosing Menu and Sort the table can be sorted by Name Code Feature Type and by Ascending or Descending order e To view the attributes of a table selection press menu and choose 3 Attribution or simply press Enter e To select the feature press Menu and choose 2 Select from the context menu Other options of a selected feature include feature manipulation e g delete and clipboard functions and the ability to flag a selected feature as a Waypoint Tip Linear Perimeter and Polygon area can be calculated in the Attribution screen if a coordinate system has been selected Leica GS20 Field Guide 1 1 0en 36 Data Management 3 2 1 1 Table Filtering As previously discussed in chapter 1 5 4 Tables and Filtering Table Filtering provides a way to search based on Code Feature Name Feature
19. Type i e Point Line or Area e Code Feature Name using wildcards e Range of Time e Waypoint Status Once data has been filtered the user can either manipulate or select based on the filtered table or display the filter in the map using the context menu choice Tabled Features and Highlight The Traverse submenu choice allows the user to graphically progress through each filtered table feature row by row Remember Filtered data is shown by bold outline and can be progressed through using the feature Next and 2 Previous submenu choice 322 Selecting a Node or Vertex 3 2 2 1 Node Management Node Management can be selected from the context menu when nothing is selected providing a list of all nodes in a job 3 23 Feature Submenu When an object is selected at the feature level the Feature Submenu provides the user with the ability to 1 Move to the Next and 2 Previous feature when multiple objects are selected 2 3 Copy a feature to Clipboard 3 4 Select from Clipboard when a feature has been previously copied such as in Navigation 4 5 Delete the selected feature Remember Leica Geosystems GS20 does not have Undo o Set a database flag indicating the feature is a Waypoint and if it has been visited via the 6 Waypoint submenu Leica GS20 Field Guide 1 1 0en 37 Data Management 3 2 4 Node Submenu When a node or vertex has been selected on a feature a node submenu provides additional node sel
20. calculated the WAAS Satellite Icon will become Bold the status bar will indicate Reference Data is Available and the positional Indicator will become a bulls eye WAAS corrections are able to extrapolate or coast for 60 seconds If the correction is lost a numeric indicator under the WAAS Satellite Icon will display how many seconds since the last correction WAAS Satellites will can be viewed in the Satellite Status Screen 9 WAAS Signal Strength is also indicated in the Status Real time Screen Setup 9 8 3 2 Changes to the Real Time Screen A new Source selection allows the user to select none no correction WAAS RTCM Including Real time Beacon and Real time Satellite Leica and Trimble CMR If the RTCM Leica or Trimble CMR source is selected you must then specify a device Source Trimble CMR JF Device RTB Module Part F Log without Correction Max Corr Age s 3n Ce New devices can be created and configured in the Setup DeviceManagement screen User defined quality settings can determine how the feature is collected see Setup Data Collection In addition to direct locations the user can also choose from a list of point offsets 984 Connecting to WoRCS Beacon If you purchased the Leica Geosystems GS20 with the Wireless real time Correction System the WoRCS you are only steps away from collecting real time sub meter data The WoRCS comes preconfigured with Bluetooth
21. can paste you must deselect the copied feature Pasting 1 Select the desired feature either graphically or from Feature Management Select a node adjacent to the point you wish to insert either graphically or from the 2 Node Management table Select menu and choose the 2 Node submenu Select the 5 Clipboard submenu Select 3 Paste from Select to paste Before 2 After or 3 Replace N D O e W 3 2 4 3 Inserting Appending and Prepending in Existing Lines and Areas Previously collected lines and areas can be amended or continued by Inserting Appending or Prepending with noded or streamed data One of the complexities of adding new data is knowing the order in which a feature was collected This can be done by using the Previous and Next commands in the Node submenu to discern the direction of collection Inserting into a Feature Node Mode 1 Select the desired feature to be appended either graphically or from Feature Management 2 Select a node adjacent to the point you wish to insert either graphically or from the 2 Node Management table 3 Select Menu and choose the 2 Node submenu 4 Select 6 Insert New 5 Select Before or 2 After Tip Because the nature of collection is to continue in the same direction as the collected feature It is advised to insert After an existing node for multiple nodes or streaming Leica GS20 Field Guide 1 1 0en 39 Data Management Appending a Line or Area by Streaming
22. collected line pasting a node from the clipboard and nesting additional features Because the Start Stop button is necessary to both stop in noding and pause in streaming features must be saved by the Done button or the Save Feature in the context menu BENE LiNEDO001 Feature Code Feature Mame ATELE omg LOMMENT DC Paos 0 Nodes 0 Figure 2 13 Line and Area Tip When escaping the feature collection a dialog will allow the user to save or discard the current feature Leica GS20 Field Guide 1 1 0en 32 Data Collection 245 Modes of Collection When a line or area feature is selected the attribution screen will display the current mode of collection i e stream or node The last selected mode becomes the default by being stored in the user s recent value file 4 Offset a Nest amp Map More Main Menu OC Pas 0 0 Nodes 0 Figure 2 14 Attribution screen 2 Node Mode or noding is the manual collection of nodes or vertices Like points nodes can be collected using the autostop which can be found in Data Collection Quality Control settings in the Setup menu 3 Streaming is the automatic collection of nodes i e vertices based on time or distance length between nodes Additionally streaming criteria can be based on the horizontal quality defined in 8 Setup 1 Config Sets select the proper configuration setting select Data Collection and Quality Control in the Setup
23. e Station ID e Frequency e Channel Bit Rate e Signal Strength e Signal to Noise Ratio SNR Correction Age Correction Received 10 3 Hardware Cg The exterior ring represents the mask angle the next The hardware screen displays information pertaining to interior ring is 45 degrees and the most interior 60 Serial Number degrees Firmware Version Total Available RAM in bytes e Battery Level Figure 10 1 Status Satellite View Leica GS20 Field Guide 1 1 0en Status 11 Glossary Almanac Library of coarse satellite orbital data used to calculate satellite position rise time elevation and azimuth ASCII American Standard Code for Information Interchange developed through the American National Standards Institute ASCII is a scheme of binary notation for machine readable data Attribute A data field of a database often defined by the type of string integer real number or boolean Auxiliary points A base or reference point used to collect an offset point or feature Azimuth A horizontal angle measured clockwise from a direction such as North Bluetooth A non proprietary wireless cable replacement Code 1 A template of a feature layer containing information about the object type and attribution 2 C A Code The Coarse Acquisition GPS data message modulated on the L1 signal Coordinate Systems The combination of an Ellipsoidal with a referenced angular or grid projection Course A
24. linked to your GS20 WoRCS Belt Leica GS20 Field Guide 1 1 0en Setup 9 8 4 1 Powering on the WoRCS 1 L The Bluetooth Module is the only belt item with configurable controls By Default Power should be set to On and Line should be set to Bluetooth Follow the procedure listed previously for charging the batteries Once the batteries are fully charged you can place them in any of the three bays of the battery insert shown below The battery insert is both hot swappable and self switching The batteries will be drawn down from bay one to bay three without interruption in power eica GS20 Field Guide 1 1 0en 98 42 Checking the Bluetooth Link If your Bluetooth link is successfully connected the bluetooth icon with a chain below and a status message Bluetooth Link Restored will appear at the bottom of the screen 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 WOoRCS 3 If the GS20 has been linked to the WoRCS Bluetooth Module an address that corresponds to the address on the top of the Bluetooth Module will appear If the address does not correspond press menu and select clear 4 If the address area displays zeros you will need to establish a connection 5 Highlight the WoRCS branch and pres
25. message by CR Character Return LF Line Feed or a combination of the two Le By Calculating the Back Azimuth Dist Offset without 4 select User Defined if the ASCII information should be populating the fields i e Zero it is possible to create written to an Attribute field If selected enter the name of new features with a shared topology to the parent the Attribute field pasted node This topology is maintained when the parent node is post processed or deleted Pos 0 0 Nodes D Leica GS20 Field Guide 1 1 0en oi Setup 99 3 Formats Local Time Zones Arranged by distance from Greenwich 99 Units and Formats Units and Formats allow the Leica Geosystems GS20 to be entered and display according to the users specifications meal pune Daylight Savings Time Check box 99 1 Units of Measure Date Format A list of choice controls defining e 12 24 Hour or Civilian Military Time Length Coordinate Format Radio Button Area Velocity Angle Units e Angle Formats And Point of Reference Tip Magnetic Azimuth and Bearing Information can be entered and displayed However the user must define the local declination 992 Language Language selections for the software interface can be selected if additional language files are available on the unit Leica GS20 Field Guide 1 1 0en 92 Setup The Status application of the Leica Geosystems GS20 10 1 2 Satellite Information provides feedback concerning
26. off To turn off a applications Because the memory used by the graphic files Map view select the Map Filter from the Map context menu are not recovered during use it will be necessary to rebootto and press enter on the layer with the new Background Icon reclaim lost space once a background is detached from a job Feature Management 2 Node Management Ch OE d lr 3 Select from PE Test 18 4 Create New WayPoint Feature 5 Table Features Ga V Point Main Menu M Line v Area SE M Feature Name Figure 2 6 Turning off the background Figure 2 5 Viewing the Map Leica GS20 Field Guide 1 1 0en Data Collection 23 Code Management Because the Leica Geosystems GS20 is designed for GIS data creation and update existing feature layer will be used as a code template for each particular job Additional codelists can be attached to a job via Codelist Manager In order to protect database integrity a consistency check is performed when codelists are attached to a job If the same code occurs in both the feature table and the codelist the job feature data will be used Codelists can be attached and detached as well as created and modified from the Codelist Manager in the MAIN menu 2 3 1 Creating Codelists What is a Code Codes are used to describe objects of the same type The code in GIS DataPRO is equivalent to the Theme in ArcView 3 2 Each code has it s own type with only one type p
27. to match the offset device and port connection you are using you will be ready to collect data 9 8 6 2 Overview of the basic methodologies of point offset data collection When collecting a point offset it is important to 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 posi tion from Aux Pt A then repeat for PT B Aux A Azimuth Distance O S Pt Aux A Aux B 1100 4P Azimuth Azimuth O S Pt O S Pt Left Solution Aux A Aux B NN Right Solution Distance Distance Leica GS20 Field Guide 1 1 0en 88 Setup Distance Distance Enter Distance and Delta Ht for 1st position from Aux Pt A repeat for position B and choose the solution method i e Left or Right Ce Because two solutions exist for a double distance intersections the user must tell the software on what side of point A B the offset point lies Backwards Azimuth and Distance Useful when locating a point by direct occupation when no GPS exists The BAD works by providing an azimuth and distance to a previously located point The calculation then reverses the course and distance 9 8 6 3 Explanation of individual point offset data collection methodologies To Collect a Point using offset methods select the desired code as you would for a standard point collection W
28. 6 The Main Menu The Main Menu is the base level of the Leica Geosystems GS20 user interface The Main Menu can be quickly accessed from an application by double clicking the Menu button By returning to the Main Menu in an open application it is possible to run several application simultaneously this is referred to as the paging function 1 Data Collection Data Management 3 Navigation 4 Job Management 32 Codelist Management 6 Applications Utilities Setup 3 Status Figure 1 3 G520 Main Menu 1 47 Paging Because it is often necessary to access several applications at once e g data collection navigation satellite view etc Leica Geosystems has created the Power Paging function Power Paging allows the user to quickly and easily flip through running applications in the order they were opened To place an application in the paging queue simply open the application from the Main Menu To add an additional application to the queue double click Menu to return to the Main Menu then open a new application The paging button will then page through the open applications To remove an application from the page simply Escape from the application to the Main Menu Leica GS20 Field Guide 1 1 0en 146 Basic Operation 1 5 Software User Interface 1 5 1 Map Views The map view is the common interface on which all main applications are built Data Collection Data Management and Navigation all contain a ma
29. Azimuth Main Menu gt Mode 7 Map 3 Dist Dist O 3 Stream Main Menu 4 Back Azimuth Dist Delta Ht 0 000m 4 Offset Arrbute Name alue o Mest amp Map Insert Order d 2 Paste fram Clipboard Main Menu 7 Repeat as necessary i 3 3 3 Creating Point Topology From Point Paste RE Points features can be linked to other points or nodes by Azimuth 000 0000000 taking advantage of the paste functionality in the Point offset HESE 0 000m Delta Ht 0 000m menu Because the pasted point is the base reference of the newly created feature when the base is moved or deleted the connected feature is also modified 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 Leica GS20 Field Guide 1 1 0en 42 Data Management 4 Navigation The navigation application is purely a means to guide the user to a point with known coordinate values The points to be navigated are known in the GPS world as Waypoints from their origin as destinations along the way The user also has the option to navigate to points that have never been visited before Rather than having a special feature code for Waypoints the Leica Geosystems GS20 uses a database flag in the feature that can be toggled to define a Waypoint as
30. Flagged As a feature that should be navigated to or Visited Providing closure to the workflow Waypoints can be created in the Leica Geosystems GS20 by several methods e Selecting points graphically from the mapview in both Navigation and Data Management e abling a known feature and setting the database Waypoint flag in Data Management e Setting the node on a linear feature as a temporary Waypoint in both Navigation and Data Management Creating a new Waypoint by entering known coordinates in Data Management Uploading GIS or CAD data set with a Waypoint flag from Leica Geosystems GIS DataPro to the Leica GS20 Leica GS20 Field Guide 1 1 0en 43 Navigation Remember Because the GPS bearing and velocity are calculated using GPS positions the user must be moving for course data to be displayed e Ifthe user is stopped the arrow and course fields will become inactive e Ifthe user is moving but no Waypoint is selected the arrow becomes a North Compass 41 The Navigation Screen The navigation screen is framed to provide the map display along with active navigational controls and text 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 Leica GS20 Field Guide 1 1 0en E E Navigation 42 Waypoint Selection and Management Similar to Data M
31. IRImmHn 73 9 3 2 COMMAS M 65 9 6 1 Real Time EE 13 9 3 3 Wireless Bluetooth Connectivity 65 9 8 2 GS20 Phase TE ee WEE 74 9 3 3 1 Selecting a Wireless Device 65 9 8 2 1 Overview rmmrrursnnrnennnnrnnvvnernensnernnnnnernennnne 74 Leica GS20 Field Guide 1 1 0en O0 9 Table of Contents GREEN 75 9 9 2 Language m eege deee 92 9 8 2 3 Kinematic Phase sss 15 99 3 Fra 92 9 8 2 4 The Interface sees 75 9 8 2 5 Collecting Static points including kinematic 10 StatuUS araunnununnunnunannunnunnnnunnunnunnnnunnunnunnnnunnunn 93 points of initialization 76 983 WAASandEGNOS TM 77 10 1 EEN EE 93 l a fb Ger e ERU 93 9 8 3 1 Understanding the WAAS Corrections 78 10 4 Satellite Information 93 9 8 3 2 Changes to the Real Time Screen 79 pu eee 9 8 4 Connecting to WORCS Beacon 79 10 1 3Satellite View 94 9 8 4 1 Powering on the WoRCS EEN 80 10 2 Interfaces 8 Ce HON HONOHOHOHONOHONHOHONOH HONO NOH HONO NOH HONO HON HONO HON HONO HON HONO HO HON ORO m 94 9 8 4 2 Checking the Bluetooth Link 80 10 2 1Real Time s 94 9 8 4 3 Checking the WoRCS Real Time Link 81 10 2 1 1 RTB Coast Guard Beacon 94 9 8 4 4 WoRCS Real Time Beacon 81 10 3 Hardw
32. S20 Field Guide 1 1 0en O0 51 Job Management Leica GS20 Field Guide 1 1 0en 0 52 O Job Management 6 Codelist Management The Codelist Management application is also used to create select deselect delete and modify codelists New Codelists 6 1 Creating a New Codelist Codes and Attributes can only be created in the Codelist 1 Manger i e not in the Data Collection codelist 2 3 Select 5 Codelist Management from the Main Menu Select Menu and 1 New Edit the Codelist name otherwise a default name will be provided A Creator Name can also be entered Optional Leica GS20 Field Guide 1 1 0en B Codelist Management 6 21 Creating a New Attribute 1 Highlight an existing Codelist select Menu and choose 6 Code Management Assuming you are not already in the Code Management screen 62 Creating a New Code 1 Highlight an existing Codelist select Menu and choose 6 Code Management hen wel ets 1 A default ill b 2 Select Menu and choose 2 New Attribute Edit an Attribute l dea EECH Name otherwise a default will be provided 4 Select the Code Type i e Point Line or Area Tip Because of shapefile conventions Attribute names 5 A Code Description can also be entered Optional must start with a letter 3 Select the Attribute type e Text All alpha numeric character types e Decimal Real number values Integer Whole number values Leica GS20 Field Guide 1 1 0en DERE EN Codelist Management
33. 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 Power On both units and you should be prompted for a Keycode for bonding 9 3 81 Status Indication If everything has been configured correctly you should have Areal time icon Arrow Hollow A Bluetooth Icon If Bluetooth is used With a Chain Link beneath it A Mobile Phone Icon With a Link 93 9 Connecting to the Station 1 From the Main Menu select 8 Setup and 4 Device Management 2 Right arrow to get to your device at the bottom Z 3 Select Menu and Connect Your phone should be dialing Leica GS20 Field Guide 1 1 0en 68 Setup More Status If your station connects you will receive a link under the Arrow Still Hollow If your corrections are good you should receive a solid arrow and an indication in the status bar If your corrections are processed with the GPS your positional Icon should be bullseye and your qualities will reflect the corrections 9 4 ID Template Management The ID Template Management application allows for points auxiliary points offset base points lines and area features to be automatically and sequentially marked for easier selection and query Templates can be modified created New and Deleted via the context menu By Default each existing ID Template type comes with two existing templates Time and
34. ademark tracking technology created for very inhospitable environments for ex Urban Canyons Job A Leica Geosystems GS20 Project consisting of multiple filetypes Latitude The angle between the ellipsoidal normal and the equatorial plane Latitude is zero on the equator and 900 at the poles Loader The software that loads the firmware into the hardwares system memory on boot Local Time Local time equals GPS time time zone Logging rate The rate in which raw GPS data are written Leica GS20 Field Guide 1 1 0en 906 Glossary Longitude Longitude is the angle between the meridian ellipse which passes through Greenwich and the meridian ellipse containing the point in question Mask Angle The minimum elevation angle below which no more GPS satellites are tracked by the receiver Max Accuracy ClearTrack The tracking mode incorporating carrier phase smoothing with the highest discriminating tracking algorithms Max Track Leica s Trademark tracking technology created for dense foliage and other inhospitable environments Maximum Age of Correction The amount of time a real time correction will be used to adjust a GPS position once the correction link is lost Meridian An imaginary line joining north to south pole and passing through the equater at 90 Multipath Error A positioning error resulting from interference between split radio waves which have travelled to the receiver from differing paths NMEA National Marine Electr
35. ailable from the flash card either directly or by using the Data Exchange Area 31881 3823m sq Accuracy 0 0000 sq Perimeter 790 7333m EC Tolerance 966 4166m sq 3 10 Si Boundaries 30892 9664m 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 View Results 2 Write amp View Log 3 Main Menu code Islands 4 aren size m2 162078 484 area accuracy 0 0000 attribut one BEGIN Point block 13 50 03 118 886484632 H 13 50 03 118 882112355 x 13 50 03 118 882037592 4 7S AO NG wem 2 7 HR BSG S P lili gt Leica GS20 Field Guide 1 1 0en HE Applications Leica GS20 Field Guide 1 1 0en BE NN Applications 8 Utilities 8 1 File Browser The File Browser is the Leica Geosystems GS20 equivalent of Windows File Explorer The file browser provides the ability to view the directory and file structure of the compact flash and system memory Other functions of the file browser include the ability to 1 Copy Paste Rename and Delete files 2 Format the Flashcard 3 Select and Deselect individual multiple and all files Copy 3 Paste 4 Delete 2 Rename 6 Format T select All Deselect All 3 Export Main Menu 8 11 Browser Controls The File Browser screen can be reduced to four main controls The Device Path control allows the user to choose between the PCCARD and the SM System M
36. anagement the Navigation context menu changes depending on whether data is selected When features or nodes have not been selected the context menu provides the user with access to 1 Waypoint Management which provides a list of features or nodes flagged as Waypoints 2 Select from Clipboard if a node was previously copied from Data Management If a feature is selected the context menu then provides Waypoint with the options for the feature or node to be e Flagged as a Waypoint e Flag a point as 2 Visited once it has been navigated to Access back to the 3 Waypoint Management e Select the 4 Previous or 5 Next Waypoint feature 43 Creating a new Waypoint feature Waypoint feature may be created by selecting MENU and Create New Waypoint feature from the navigation screen Creation Date ENN Feature Mame Wasod Lat 33 8084825 N Was d Lon 11835008887 W snB4 EHeight 1 5 225m This menu allows the user to add a waypoint using WGS84 or Local Grid Coordinate Systems To access the local coordinate system options hit MENU and select local grid This selection will stay toggled until changed by the user Leica GS20 Field Guide 1 1 0en Ap Navigation 44 Updating a Navigated Feature Once a Waypoint has successfully been reached a feature or node can be updated by 1 Select Menu and choose 2 Copy to Clipboard 2 If Data Management is currently open Page to the Data Management application O
37. and the Interfaces branch and select Real Time If you have communication with the Real time Beacon module RTB you will see information about the frequency signal strength etc otherwise you will see all zero values Ce The real time screen does not refresh automatically to refresh the values you will need to escape and re enter El Status GPS EI Interfaces ieal Time Hardware Leica GS20 Field Guide 1 1 0en 81 Setup 3 If the Real time values are all zero there is no communication to the real time beacon module So you will need to verify the configuration Escape to the Main Menu and select 8 Setup c Verify the user defined configuration named WRCSBEACON is selected if WRCSBEACON exists and is not selected highlight and press Enter otherwise select the default Beacon Press Enter again on the selected configuration to edit the setup values Expand the Interfaces branch highlight the Real time branch and press enter Make sure the Device is set to RTB and the port is set WOoRCS 2 Setup RTCM GPS Source B ATE Module _ Data Collection Device EB Port warcs d ES El Interfaces F Log without Correction Max Carr Age 5 30 Offset Devices BEES m RTcM L Al D RTCM Version 2 5 4 4 i 7 Escape and save the values then escape and save the configuration amp If you are editing a default configuration you will be prompt
38. are EE 94 9 8 5 Connecting to WoRCS Real Time Satellite RTS Jie g2 11 Glossary rc 95 9 8 5 1 Powering on the WoRCS 83 9 8 5 2 Checking the Bluetooth Link C 83 12 Index REREEREEHEREREEHREEHREERERHEEHRREERERERERRERHERRERHREREREEHERHEEEREHEHREEERERNE 99 9 8 5 3 Checking the WoRCS Real Time Link 85 9 9 54 WORCS RIS Lassie 85 9 8 6 Offset Devices eeseeesee 86 9 8 6 1 Configuration of the GS20 86 9 8 6 2 Overview of the basic methodologies of point offset data collection 88 9 8 6 3 Explanation of individual point offset data collection methodologies 89 9 8 7 ASCAP EE 91 9 9 Units and Formats 92 9 9 1 Units of Measure sese 92 Leica GS20 Field Guide 1 1 0en 40 Table of Contents 1 Basic Operation 1 1 Batteries and Charging Leica Geosystems GEB90 7 2 volt 2100 mAh Lithium lon batteries must be used to power the Leica GS20 and WoRCS equipment Charge only with the Leica Geosystems battery charger provided in the system WARNING The battery chargers are intended for indoor use only Use a battery charger in a dry room only never outdoors Charge batteries only at an ambient temperature between 10 C and 30 C 50 F to 86 F We recommend a temperature of 0 C to 20 C 32 F to 68 F for storing the batteries 1 1 1 Calibrating the Battery The Le
39. configuration Streaming options can be selected from the attribution collection screen via the context menu 4 Line Offsets allow the user to enter linear offsets either left right or in both directions with different values When in node mode the offset selection will become a submenu offering all methods of point collection for individual nodes The 8 More selection allows the user to Paste from Clipboard as well as Append or Prepend an existing line Paste from Clipboard allows multiple features to share common nodes In order to paste a node it must first be 3 Copied to Clipboard in Data Management See 3 2 4 2 Copying and Pasting Nodes Remember Point features cannot be created with pasted node data in Data Collection However points already collected can have their node replaced with the 2 Paste from Clipboard function allowing multiple point features to share a common node Leica GS20 Field Guide 1 1 0en ESSENS Data Collection Tip Another way to share a common node IS by locating a new position with the Backward Azimuth and Distance The trick is to leave all fields to zero and Paste Node for location Leica GS20 Field Guide 1 1 0en 34 Data Collection 3 Data Management 3 1 Philosophy of Feature Selection Data Management selection options and context menus behave differently depending on what data has been selected Once a feature is selected the user must 5 Deselect via the context menu in order to sele
40. ct another feature Three different levels of selection exist in Data Management 3 1 1 Options with Nothing Selected With nothing selected the user can select features either graphically in the map or tabularly via the Feature Management view and select all nodes in the entire job via 2 Node Management table or 4 Create New Waypoints to be navigated 3 12 Options with a Feature Selected With a feature selected the user can select from a list of nodes common to the selected feature either graphically in the map or tabularly via the Node Management table view or modify the feature s 2 Attribution copy delete or flag the selected feature as a Waypoints via the 3 Feature submenu graphically depict filtered table data in 4 Table Features or 5 Deselect the currently selected feature Leica GS20 Field Guide 1 1 0en ap O Data Management 3 13 Options with a Node Selected When a node is selected on a feature the user can select another node common to the feature graphically in the map view the coordinates or re occupy the node via 1 Geography or use the 2 Node submenu to 1 Progress to the First Last Previous or Next node 2 Copy to Select from or Paste from a node via the Clipboard 3 Insert New nodes Before or After the current node selected 4 Delete the selected nodes Feature Management 2 Mode Management 3 select from Clipboard Mode Management 2 Attribution 4 Create New WayPoint Feature 3
41. current position satellite location signal strength real time differential corrections and system information oimilar to Setup the Status application is displayed in a tree view with like items grouped into branches Setup can be accessed as choice 9 from the Main Menu The satellite information screen displays a tabular listing of the satellites that should be visible based on the current almanac and setup mask angle Data in the table includes Tracking status of the satellite Check box Satellite Number Sat Elevation above the horizon and information if the satellite is rising or falling rising Elev 10 1 GPS e Azimuth A 10 1 1 Position e Signal to Noise Ratio or strength of reception SNR The position screen provides coordinate information containing Coordinate system toggle Current time e X Y coordinates Ellipsoidal Elevation EHeight Position and Height Quality Leica GS20 Field Guide 1 1 0en 93 Status 10 1 3 Satellite View 102 Interfaces The satellite view provides a user friendly interface for viewing visible vs tracked satellites Satellites are displayed by their 102 1 Real Time corresponding number Tracked satellites appear highlighted me real time interface provides information about the RTCM with the satellite number inverted corrections being received by the device Interface data will be specific to the device being used for example 10 2 1 1 RTB Coast Guard Beacon
42. d upgrade utilities Loader Bin amp All firmware upgrade files must be placed in the GPS Prog directory Make sure to have a fully charged battery and exit all applications before beginning the update process After start is selected the program will prompt a reboot to begin the update process After the update is finished the user will be prompted to reboot the device to continue 8 14 Sensor Transfer sensor Transfer is used to transfer files between Leica Geosystems GIS DataPRO and the Leica Geosystems GS20 via serial cable or bluetooth Sensor Transfer provides the ability to choose the port Port1 or Bluetooth define the port settings i e baud parity bits etc and accept any changes Tip Device setting are available via the context menu Remember Because of the exclusive nature of Sensor Transfer all other applications must be shutdown before beginning a transfer 8 15 Clear System Memory Clear System Memory will set all user defined configs recent settings ID templates stations ports e t c back to factory defaults This application requires also a full shut down immidiately after proceeding Remember Leica Geosystems GS20 does not have Undo Leica GS20 Field Guide 1 1 0en 6 amp 2 Utilities The Setup application contains both default and user defined configurations that determine how a unit operates Three default configurations are preloaded on the Leica Geosystems GS20 to allow the user to begi
43. down menu choose New Attribute Attributes Help Delete attribute Atribute Properties 2 Fill in the attribute name and properties 3 The attribute Type can be Normal Mandatory or Fixed Rew Akhri bube 3 General aide vakse Allikaude H am rice Attribute T ype Value Type Frad Test z Value Aegon Default aie we Now D Cal za 4 The attribute Value can be Text Real or Integer Leica GS20 Field Guide 1 1 0en 5 The attribute Value Region Can be None Choice List or Range new attribute tm Genes tibute vaker Gute Lit i o Lak Cael 6 The Default Value can be typed in if None or Range was selected in the Value region It can be selected if Choice List was used ee 2x General tinbute Values Range Data Collection Facts About Attributes 2 3 3 5 Step 5 Transferring Codelist to the Sensor 1 The Z attribute is reserved and cannot be changed T 2 The Z attribute contains elevation data 2 3 Maximum 256 characters per Choice List 3 4 Attribute names must begin with a letter 5 Limit the attribute names to 10 characters 4 5 23 34 Step 4 Display Attributes Attaching Map Symbology The display properties are used to display each feature in the GIS DataPRO after data collection From the Code pull down choose Set Display Attributes The Codelist may now be saved with map symbology intact EG ds Symbols S
44. e real select the default time correction for GPS available in North America and is comparable to the European EGNOS correction currently in atesting phase These corrections are broadcast on the same frequency as GPS it can be received without the need for BEACON additional hardware and free of charge To set WAAS as the go rosnac active correction you can either use the default create a new TEST configuration or edit a user defined configuration EGG 1 Select 8 Setup from the Main Menu and 1 Config Sets WAAS is selectable from this MENU EI Leica GS20 Field Guide 1 1 0en 77 Setup 3 Most likely you will want to select a User Defined configuration or press Menu and create a New configuration based on your highlighted default C WAAS Default IJa n ene a hea eo User Defined 4 Enter the configuration and expand the Interface branch Focus on the Tracking branch and press enter El Interfaces ial Offset Devic al SET S Real Time Data JOBO Source waas EM 5 Set the source to WAAS That s it 98 3 1 Understanding the WAAS Corrections 1 The immediate and most notable change will be the WAAS Satellite Icon in the real time window This indicates the unit is set for WAAS corrections ul 2 When the icon and lightening bolt fill to black this is an indication that the WAAS signal is being received Leica GS20 Field Guide 1 1 0en Once the corrections have been
45. e user to attach a codelist otherwise the program will proceed to the Data Collection map Job Name Creator Coord System faecid File AN To continue a job must be open Coals File S ZE Figure 2 2 Job Management Screenflow Cancel Tip When you create new job you have the option of attaching Coordinate System and Geold file with Figure 2 1 Job Management Screenflow creation of the Job Tip See 5 Job Management for more Info Leica GS20 Field Guide 1 1 0en 2 Data Collection 22 Background Files in the GS20 Often it is important for a user to see the location of they re current position and those Features they have collected within a larger context However it is not always necessary or even beneficial to have that data selectable With the ability to create vector background data the GS20 can now Attach larger vector reference files e Use the same vector reference file for multiple jobs Reference multiple files to a job Reference previously collected jobs in an open job Only re import collected or updated data 221 Overview GS20 background files are graphic files that can be created in GIS DataPRO and are automatically created when job data is collected in the 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 mana
46. eal Time Corrections with a Mobile Phone Just as real time corrections can be broadcast over UHF VHF radio and satellite signals correction packets can be sent via mobile phone and modem alike Version 1 15 builds on the current real time capabilities of the GS20 by adding GSM and modem capabilities Version 1 15 also provides support for additional RTK data correction formats such as RTCM 18 21 Leica and Trimble CMR Finally by using the Bluetooth technology your real time correction system can be as small as your GS20 and your phone Overview In order to use the GSM or Modem abilities with the GS20 you must either have a hardware device currently supported see list or information concerning the AT commands for a particular device GSM or modem devices can be connected to the GS20 in 3 ways 1 Bluetooth connection directly to the GS20 Using a Virtual BT Port 2 Bluetooth connection via the WoRCS belt Using Lemo or DB9 connection 3 Bluetooth connection directly to the GS20 Using a modified cable with RTS CTS leads This cable can also be created by modifying the existing download cable 731354 amp gt This will not affect the functionality of the cable for sensor transfer or connection to external devices A reference station list must be defined either on the device or by text file which includes Dial in number Mandatory Reference Station name Mandatory Reference Coordinates Optional However Refer
47. ection ability as well as the ability to modify the feature on a node level 1 Choose the 1 First 2 Previous 3 Next or 4 Last node on a feature Remember Very handy for determining the direction of a feature 2 5 Clipboard function to Copy to Select from or Paste from a previously selected node Before or After a node 3 6 Insert New functions provide the ability to insert single nodes or stream to append an existing object 4 7 Delete the selected node 3 24 1 Re Occupying Nodes Nodes can be moved or Re Occupied by choosing 1 Geography from the menu When the Re Occupy soft key is selected the attribution collection screen is opened and the focus will be on the Occupy button Code ID Streets Mode LObj 11 DateTime 04 21 04 03 53 03 p m WGS d Lat 0486 23290350 N WGaS d Lon 063 5149450 E WGas d EHeight 3333 333m Giuality 0 000 Remember Node Re Occupation works in the same way as point collection Leica GS20 Field Guide 1 1 0en 38 Data Management 3 2 4 2 Copying and Pasting Nodes In order to copy a node a node must first be selected This can be done directly from a node table or most commonly on a feature level Copying 1 Select the desired feature either graphically or from Feature Management 2 Select a node either graphically or from the 2 Node Management table 3 Select menu and choose the 2 Node submenu 4 Select the 5 Clipboard submenu 5 Select Copy to Tip Before you
48. ed to provide a configuration name 8 Escape to the main menu and return to the status Interface Real time branch to check the status of the real time device You should now see values for the frequency bitrate etc 98 5 Connecting to WoRCS Real Time Satellite RTS If you purchased the Leica Geosystems GS20 with the Wireless real time Correction System the WoRCS you are only steps away from collecting real time sub meter data The WOoRCS comes preconfigured with the Bluetooth linked to your GS20 Leica GS20 Field Guide 1 1 0en 82 Setup WOoRCS Belt 2 Follow the procedure listed previously for charging the batteries Once the batteries are fully charged you can place them in any of the three bays of the battery insert shown below The battery insert is both hot swappable and self switching The batteries will be drawn down from bay one to bay three without interruption in power WoRCS Power Supply Module WoRCS RTB Module WoRCS BLUETOOTH Module WOoRCS Belt with Belt keepers WOoRCS Power Supply Jacked i WoRCS RTB Module Jacked 9 8 5 2 Checking the Bluetooth Link WoRCS BLUETOOTH Module Jacked If your Bluetooth link is successfully connected you will see 8 Power Supply to BLUETOOTH Module Cable l l l the bluetooth icon xx appear with a chain below and a status 9 8 5 1 Powering on the WoRCS message Bluetooth Link Restored will appear at the bottom 1 The Bluetooth Module is the only belt item with of t
49. eica GS20 Field Guide 1 1 0en 42 Basic Operation 1 32 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 1 33 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 1 34 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 see 9 8 1 Real Time 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 exclamation will appear and the icon will then disappear 1 35 Memory Card Status The memory card status icon provides a graphical representation of the percentage of the compact flash used 1 3 6 Battery and Time Indicators The battery and time indicators provide information about the current status of the onboard battery and the current time obtained by satellites Because the Battery indicator is based on a microprocessor in the Li
50. elist Manager this is the interface you will see 233 Steps for codelist creation Listed below are the steps for codelist creation We will list 1 Create a Codelist in GIS DataPRO them here and then look at each one in depth 2 Create Codes Unlimited codes in a codelist 3 Create Attributes Maximum 60 Attributes per code Attach Map Symbology to each code in a codelist Save codelist Transfer a Codelist to sensor o ge Leica GS20 Field Guide 1 1 0en 26 Data Collection 2 3 3 1 Step 1 Creating a new codelist in GIS Data Pro 23 32 Step 2 Creating Codes in GIS DataPRO 1 Click on Codelist and select New Codelist 1 From the pull down menu choose new code Cedelist Code Attributes Code attributes Help Attributes Help Delete Codelist k Delete Code N SENS UNES Codelist Properties Code Properties ialt Prou dts 2 Type in name of the New Codelist set Display Attributes 3 Click OK 2 Create a new Code Name and Description ver Ee DE Codelist Name Code Tune Tonance Trees Point SE Description EN ms Trees in Torrance Your new codelist is now created highlighted and ready to be DK Cancel populated GrsbataPRO Codelist Ma Ce When a codelist is created the first code is always Waypoint and E cannot be changed at ES Hu Curb BRE sign i ES Manholes Leica GS20 Field Guide 1 1 0en O 27 Data Collection 2 3 3 3 Step 3 Creating Attributes 1 From the Attribute pull
51. emory The File list allows the selection of files and directories To open a directory press Enter once to select a file press Enter twice Multiple files can be selected and HOME END PGUP PGDN are valid Tip To move up one directory press Escape will exit the File Browser e he Group by name control allows the user to group all job files into a single selection for easier viewing and manipulation The Filter allows for files to be viewed by extension 8 12 Context Menu Most of the File Browser tools are available via the context menu including e 2 Copy 3 Paste 4 Delete e Compact Flash 5 Format utility 6 Select All 7 Deselect All Leica GS20 Field Guide 1 1 0en Oo A Utilities 8 13 Firmware Update When new firmware or software is available for the Leica Geosystems GS20 the update will normally be provided on compact flash media If however the file is delivered in another format e g E mail or ftp it will need to be copied to compact flash in order to perform the upgrade Tip tis advisable to load firmware files directly onto a compact flash via a card reader in order to avoid possible sensor transfer checksum errors There are three types of firmware upgrades available for the Leica Geosystems GS20 Sensor 1 Firmware Application software e FileDesc doc Build bin e Ventura znc e logoshde jpg 2 Sensor GPS Engine software Indigo run 3 Loader System boot diagnostics an
52. ence coordinates provides baseline data Finally a configuration must be created that will reference the device being used the connection type listed above and the real time correction format Leica GS20 Field Guide 1 1 0en 66 Setup 93 6 Linking with the Bluetooth The cleanest way to link to a mobile phone is using a Bluetooth Virtual Serial port Both the Sony Ericson and Siemens S56 have proven to work well with the GS20 Although Bluetooth is a consortium standard Bluetooth devices don t always work together By all means try a device before you buy a device or call your local Leica support technician Making the connect 1 From the Main Menu select 8 Setup and 2 Hardware Management 1 Data Collection 2 Data Management 3 Navigation 4 Job Management 3 Codelist Management B Applications 7 Utilities 3 Status 2 At the bottom of the Hardware Management screen you will find the e Wireless e Bluetooth e Virtual Serial 1 and 2 3 Enter the Virtual Screen and Inquire for a Bluetooth Device Ce Make sure to expand the list to ensure you have the correct device 4 Select Menu and Save 93 7 Configuring your Device 1 From the Main Menu select 8 Setup and 4 Device Management 2 Choose your device from the list and create a new device based on that Qo 1 Contig Sets 2 Hardware Management 3 IDTemplate Management 4 Device Management Cz Once you enter the edi
53. er code point line or polygon For example Tree Point Roads Line Parcels Polygon A code contains attribute information that may be assigned to the Codes points lines or areas during measurement in the field For example Fire Hydrant Code Serial Number and Color Attributes A Codelist contains codes to be collected in a job and is attached to a job A codelist can be created in three ways 1 Create your own codelist code 2 Copy another codelist code from another project 3 Import codes from existing shapefile Codelists are created in the Codelist Manager in GIS DataPRO Leica GS20 Field Guide 1 1 0en 25 Data Collection 2 32 Using the Codelist Manager Ta File View Codelist Code Attributes Help 1 Select Tools from the Main Menu fS sccwnp Author Modified o ST City Tools Window Help oi E Electric SCCwRP GPendlet 06 14 01 12 44 Search Reference bk EE Mone Jaeson 10 12 99 04 43 ZC Park Electric Hao 03 11 99 05 10 a m 7 None Administrator 01 14 99 08 01 Compute Ortho Hat 8 CD us F Park Jaeson 05 05 99 04 24 Codelist Manager e SCT atlanta 7 LPA FRA PIERRER 05 10 01 01 09 Image Referencing e Hydr ants ST Office GPendlet 05 19 01 02 41 Coordin ate Syskemuma CLIFF DE TEMPLE 05 02 01 08 00 Sensor Transfer 7 Atlanta GPendlet 06 08 01 09 48 Workflow Manager 7 Hydrants GPendlet 06 01 01 07 52 General Settings Map Settings Customize k 2 Select Cod
54. erties in Job Management In order for a Geoid or CSCS field file to be attached to a selected coordinate system it is necessary that the system be defined with a Global Geoid or CSCS file attachment This is done in either DataPRO or SKIPRO coordinate system management Calfomia Zone 5 0405 NAD27 Name Transformation None aap crecton ote Trans Type Job Name Loan Residuals Creator Ellipsoid Clarke 1856 D Coord System California Zone 5 Projection CANAD27Zone5 0405 sl ng File La CSCS File NADCON Proj Type Lambert two Size as Geoid Model GEOIDSS k CSCS Model NADCON ConUS Note Last Modified 01 05 2004 16 57 09 Figure 5 2 Coordinate System Definition Dialog in GDP Leica GS20 Field Guide 1 1 0en 49 Job Management 5 14 Field File Toos Window Hep Create Geoid Model Field File Geoid Field File Create CSCS Model Field File The field file is a subset of the global interpolation file in order or S to reduce the overall memory taken on the hardware General In this example the GEOID99 was reduced to a field file Geoid Mode e6009 ver called LA to serve the Los Angeles Area The CSCS was Blipsoid WGS 1984 named after the global Field File NADCON for the North Coordiype Geodetic America Data Conversion program it was created for To SE create a field file in DataPRO or SKI PRO simply select the
55. f the tree can be navigated using the up and down arrows Sub branches of a tree are depicted by a to the left of the branch this can be expanded by pressing Enter Similarly an expanded branch is depicted by a to the left of the branch and can be contracted by pressing Enter If no sub branch exists for a branch it is a application screen that can be opened by pressing Enter pma Control Interfaces Units and Formats E H The main branches of the Setup tree is broken into e GPS Satellite tracking and logging controls e Data Collection Quality assurance and autostop functions e Interfaces External devices connected via wireless or hardware serial ports e Units and Formats How data is entered and displayed on the unit 93 Hardware Management Hardware Management is used to modify functions unique to the Leica Geosystems GS20 unit This is accessed by selecting 8 from the Main Menu and 2 Hardware Management 9 3 1 1 Allows the user to personalize the unit name by default the unit name is the serial number Hardware Remember The Unit Name directly effects the prefix of the datafile names 2 Backlight time out dictates how long the backlight is active after the power key is depressed 3 Enable or disable the speaker Leica GS20 Field Guide 1 1 0en BEEN Setup 4 Character edit time out changes the amount of time a character is in edit mode After the time out the selected bec
56. fset e Une ap DOLPos 3 bad Avg 3 Nodes Aux AT Azimuth Distance O S Pt Aux A Aux B 1100 A Azimuth Azimuth O S Pt O S Pt Left Solution Aux A Aux B ie pe Right Solution Distance Distance Figure 2 12 Offset Methods Graphical Leica GS20 Field Guide 1 1 0en 31 Data Collection When collecting a point offset it is important to input the offset data before occupying the auxiliary point e Azimuth Distance Enter Azimuth Distance and Delta Height before occupying the point e 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 position from Aux Pt A repeat for position B and choose the solution method i e Left or Right Remember Because two solutions exist for a double distance intersections the user must tell the software on what side of point A B the offset point les e Backwards Azimuth and Distance Useful when locating a point by direct occupation when no GPS exists The BAD works by providing an azimuth and distance to a previously located point The calculation then reverses the course and distance 244 Line and Area Collection Unlike point collection lines and areas offer multiple methods of collection noding i e collecting by vertex streaming by time or distance locating nodes by point offsets creating linear offsets to either side of the
57. gement a background screen can be accessed allowing the user to reference other background graphical data to the job Background graphic files are for visual reference only and are not selectable 222 Adding Background Files to a GS20 Job To add a background Map enter Job management highlight a selected job and select Background Maps from the context menu 10 28 03 10 28 03 gt SNDGO EJ Europe areaf 1 Data Callection 2 Data Management 3 Navigation 4 Job Management 5 Codelist Management B Applications 7 Utilities setup 3 Status 10 26 03 Od 23 04 O4 26 04 O4 21 04 _ REDONDO ak Ty wowssese os Jes je Meer la ses les 4 Delete 2 Properties B Map 7 Background Maps Main Menu ee ha Memory Available 683962 Figure 2 3 Background Maps Leica GS20 Field Guide 1 1 0en EXPE Data Collection A status of available memory will be available to provide information on how much information can be attached to a job Memory used in background files will affect the amount of map data that can be collected so be conservative in your estimates A successful attachment will be shown in the Status column and Memory Available will be recalculated 223 Creating a Background File in GIS DataPRO In order to create a graphic file in GIS DataPRO it will be necessary to first import the data into the GIS DataPRO database Data that is added to GIS DataPRO with the
58. h an almanac to more quickly locate satellites WAAS The Wide Area Augmentation System or WAAS is a free real time correction for GPS available in North America and is compatible with the European EGNOS correction currently in a testing phase Because this correction is broadcast on the same frequency as GPS it can be received without the need for additional hardware and free of charge Waypoints A point or node on a line or area flagged for navigation Leica GS20 Field Guide 1 1 0en op a Glossary 12 Index A Almanac 4 serere 13 72 PFU 70 ARDUIS Ve 54 Auxiliary points rrrrrrorrrrerorrrnrorrrrrrvrrrnnrnrnne 69 AZIMU TR 32 93 B Bluetooth EE 65 C e p m 55 GFO MaSK sanonnan pe EE 55 e el 25 Coordinate systems ussss 47 Course Azimuth sees 44 Course Velocity rrrnrrnrrrrvrernvrrnvrernvennnvrrnnne 44 Cultivated Field Control 55 D Be een 12 Differential Corrections 13 DOR S dm 71 E Ellipsoidal Elevation 93 Ellipsoidal elevation 71 F Firmware rmrnrorrornsnrvennnnvonnnnnvvnnsnnvennsarvennsarnennn 62 G Geoid Field tie 50 CM 25 GIS DataPRO eene 62 Cu wv E HQ 18 Greenwich Mean Time 92 J JO
59. hapters Introduction The Leica Geosystems G 20 The Leica Geosystems G520 PDM was conceived to provide the GIS community with a GPS data collection device that combines the simplicity of a recreational GPS handheld with the power and flexibility of a professional grade mapping system The Leica Geosystems GS20 represents a true turnkey GPS GIS mapping solution by integrating the GPS receiver and antenna within the chassis of handheld data collector Add to this the built in efficiency of Bluetooth wireless technology and you only need add power and sky the rest is up to you Philosophy of Operation Data Collection is used for the initial recording and attribution of points lines and areas Data Management is used for the update of attribution and geometry of an object including relocation and continuation of existing geometry Navigation is only used for the purpose of finding a known location Any update to the navigated object must be done in Data Management Utilities contains File Browser Firmware Update and Sensor Transfer Setup allows the user to configure software operation settings such as GPS controls Data Collection Quality Control external Interfaces and Units and Formats and Languages Status provide the user with information related to GPS external interfaces and the condition of hardware and software Leica Geosystems GS20 Field Guide 1 1 0en O 4 Introduction Registration Congratulati
60. he screen You can now proceed to Checking the real time configurable controls By Default Power should be setto Link if not follow the steps listed below On and Line should be set to Bluetooth NOOR WD Leica GS20 Field Guide 1 1 0en Setup 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 3 If the GS20 has been linked to the WoRCS Bluetooth available devices to0000000000 Module an address that corresponds to the address on the top of the Bluetooth Module will appear If the address does not correspond press menu and select clear 4 If the address area displays zeros you will need to 8 Finally press the Menu key and Save then Escape back establish a connection to the main menu 5 Highlight the WoRCS branch and press enter this will take you to the Bluetooth Setup screen 6 Press Inquire and wait until the Cancel button becomes Inquire again Cancel 7 You will see the Available Devices in the choice list By SEHEN highlighting the available devices and pressing Enter you Available devices 000000000000 m Will see the entire list of available bluetooth devices in the choice list If multiple devices have been found select the device that matches your WoRCS bluetooth address Tip Ensure batteries are charged and correctly inserted displayed on the top of the bluetooth module Ensu
61. hen in the collection screen select Menu and choose 2 Offset You will then be presented with the following options for collection 1 Once in the offset screen select Azimuth Distance 2 Azimuth Azimuth E 3 Dist Dist d Back Azimuth Dist Attribute Mame COMMENT DOLPos 0 Modes 2 Collect the value with your rangefinder or enter them manually Leica GS20 Field Guide 1 1 0en 89 Setup Azimuth 256 54999990 Azimuth 256 54999990 Distance 14 980m Distance 14 980m Delta Ht 2 540m Delta Ht 2 540m DOLPos 0 Nodes DOLPos 0 Nodes 3 If your rangefinder only calculates a distance you must manually enter the other parameters 4 Select Occupy similar to normal point collection Both manual and auto stop work in offset occupation Ce Although a default Auxiliary Occupy or base point is created for 2 Paste from Clipboard the offset you can use the Main Menu geo 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 information from two locations 1 Populate the A fields manually or with a range finder then occupy the point 2 After the A occupation has taken place the A fields are no longer editable 3 Populate the B fields then take the B occupation Escaping will allow fo
62. ic Compass The Rangefinder can be interfaced with the GS20 directly in serial port 1 or the WoRCS belt utilizing ports 1 or 2 Data can then be transmitted to the GS20 cable free Leica GS20 Field Guide 1 1 0en Setup Ce Not all Lemo connections are wired the same 1 From the G520 Main Menu select Setup and Enter your Consult your vendor and rangefinder manual to ensure selected configuration your cable is correct Setup EJ POSTPROC GPS CI RACAL Data Collection El Interfaces Real Time WoRCS Port 2 Serial Port 1 Power WoRCS Port 1 M Device Laser Locator gt Port woRCS 1 IM amp If using a DB9 cable interface it may be necessary to use a nul EE l 2 Expand the Interface branch and select Offset Devices A null modem switches the 2 and 3 pin of a serial l interf 3 Select the appropriate device and the corresponding port setius Selecting Port1 connects to the GS20 directly Selecting WOoRCS 1 utilizes the wireless connection Ce When using the WoRCS belt make sure the bluetooth setting has been inquired and saved Once the Rangefinder is connected to the system via one of the above methods you will need to configure the port for the specific device This will depend upon the device you are using and how you chose to connect it to the system Leica GS20 Field Guide 1 1 0en Setup 4 Escape and save changes Once you have the device and port settings set
63. ica Geosystems GEB90 battery uses a microprocessor to accurately monitor the battery status To calibrate the battery microprocessor allow the Leica Geosystems GS20 to rundown and automatically power off Ce The Leica Geosystems GEB90 battery can be referenced and ordered by Leica part number 724117 The Leica Geosystems GKL24 Dual Bay Battery Charger can be referenced and ordered by Leica part number 731771 Ce Use only the Leica Geosystems batteries chargers and accessories or accessories recommended by Leica Geosystems Leica GS20 Field Guide 1 1 0en n Basic Operation 12 Powering On the Unit Press and release the Power Button located on lower left of the keyboard The unit will reply with an audible tone then proceed to a splash screen and then to the Main Menu Remember Although the unit can power on without the flash card most functionality will not be available 13 Icons The Icon area is displayed to provide the user with current information about the GPS and hardware H 3 3m Ze M A Om POOP 1 9 I 11 03 p m ER IN Figure 1 1 Accuracy Indicator 1 3 1 Accuracy Indicator The accuracy indicator is displayed once a solution is calculated 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 L
64. ip Br 7 1 3 Using the Program eee 57 9 3 7 Configuring your Device en 67 9 3 8 Modifying your Configuration 68 8 gllc 61 9 3 8 1 Status Indication ee 68 8 1 File Browser sss 61 EE Nr i 8 1 1 Browser Controls 61 9 4 ID Template Management 69 8 1 2 Context Menu Lise 61 EN MN er Ge 8 1 3 Firmware Update ee 62 9 4 2 Modifying an Existing Template 69 8 1 4 Sensor Transfer sss 62 9 5 Device Manager HP 10 8 1 5 Clear System Memory eee 62 9 5 1 Creating a New Device 70 9 5 2 Modifying an Existing Device 70 le EE 0 EE 63 JE SJ 70 9 1 Selecting Modifying and Creating 9 6 1 Tracking smed 70 Configurations casverrvrerrvrrrvrerrvvvrvrennvnernnnn 63 9 6 2 Minimum Satellites 71 9 1 1 Selecting mnvrnrrrrvvrrrrvrvvrrrrvrrrerseverrerrnvennn 63 9 6 3 Antenna Type EE 71 9 1 2 Modifying mmenrrvrvrvevrvererererrrrrrrrrrrrererrvenene 63 9 6 4 Logging eene 71 9 1 3 Creating EE 63 9 6 5 Initialization Gr ee CR Bee 72 92 Tree Directory Navigation 64 9 7 Data Collection GE T2 9 3 Hardware Management 64 9 7 1 Quality Monitor 0 0 0 ceecceeceeeeeeeeeaees 72 931 Hardware unmmmmmmmmmmmm 64 9 8 Interfaces eennnmmmR RIR
65. is a control in the job properties The last selected codelist of an open job will be attached to the job Leica GS20 Field Guide 1 1 0en AT Job Management 4 Geoid or an equipotential surface which coincides with mean sea level and which may be imagined to extend through the continents This surface is everywhere perpendicular to the direction of the force of gravity a The geoid is also an interpolation file and is based on a grid network of gravity reading Usually this type of file is local to a geographic region such as a country or 5 1 Coordinate Systems 5 1 1 Introduction Although the GS20 stores all GPS data in a WGS84 geographic coordinate format it is possible to translate your data into a local datum projection or coordinate system A pre defined coordinate system is usually made up of continent 1 An ellipsoid or a spheroid created to model the earths 5 CSCS or Country Specific Coordinate System is an surface interpolation file that estimates nonlinear error between a If different from WGS84 a translation is necessary for known points with both WGS and local coordinate values orientation a These CSCS can be geographic Cartesian or local grid 2 A Projection or a means to transform a spherical surface in nature An example of this is the NADCON or North to a 2 dimensional grid American Datum Conversion a Cones and Cylinders are the most common forms of projection 3 A transformation or a shifting of the s
66. l values or code attribute info This gives full and easy flexibility to create different output masks for any ASCII type A sample Leica mas file right is provided and can be edited to the needs of the user Leica GS20 Field Guide 1 1 0en 55 Applications 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 Case 61 Case 62 Case 63 new line I Q II Active Job name Current Date Current Time Number of excluded areas Area Size m Area Accuracy Im Perimeter m EC Tolerance m7 EC Tolerance 96 Area Id lower Boundary m upper boundary m lower Boundary m upper boundary m7 II Area Code Attribute Area Attribute Value 1 20 JI Area Code Note point id north east height m Case 64 Case 65 Case 66 Case 67 Case 71 Case 72 Case 73 Case 74 Case 75 Case 80 height type Orthometric Ellipsoidal UI geoid height m Point Date Point Time CQ North m UI CQ East m CQ Hot m UI CQ Pos m CQ 3D m iterator starts with 1 for first point of each area point block Case 99 end of point block only necessary to divide point block from footer lines north and east are displayed with
67. lay 3 and 9 function as zoom keys in a table 3 and 9 function as page up and page down Leica GS20 Field Guide 1 1 0en BERN Basic Operation Table 1 1 Overloaded Button Functions Page Down 1 43 Enter and Escape Similar to standard Windows controls the Enter key is used to either accept a choice or advance an action The Escape key functions both as a back key to escape from a current screen as well as a backspace in edit fields 1 44 Cursor Keys Cursor keys are found on the face and the side of the unit the side cursors function exactly the same as the up and down cursor on the face If held down the cursor key will automatically speed up such as in the map display table or edit field Because the cursor key is so integral to control and entry its functions vary in different controls 1 Menus Left and Right function as home and end 2 Edit Fields Up and Down function as home and end 3 Check Boxes and Radio Buttons Left Right toggle makes a field selection 4 Combo Box and Spin Controls Left and Right scroll selections o Map Controls the cursor 1 45 Menu Button The Menu key is the prime key in the Leica Geosystems GS20 user interface Not only can Menu bring you quickly back to the Main Menu to load the paging queue and select new application it also opens the context menu which contains all of the high level controls for the unit Leica GS20 Field Guide 1 1 0en EEG Basic Operation 1 4
68. lds allow the user to view and manipulate information about the tabled object 15 Filtering In order to provide power and flexibility to the user the Leica Geosystems GS20 maintains separate filters for individual tables and maps 1 5 5 1 Map Filters Map filters provide the user with the ability to hide or display data in the map Map filters allow the user to discriminate data based on Feature Code Layer name Feature Name Feature ID Feature Type Point Line or Area Time of collection e Waypoint Status Flag as Waypoint i e to be navigated to or Visited Similarly data can be filtered in a table for selection edits clipboard function or changing the Waypoint status Leica GS20 Field Guide 1 1 0en 19 Basic Operation 1 5 5 2 Table Filters Table filters allow the user to search for data based upon the same criteria as listed above in map filters 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 Ce This differs from map filtering in that the data remains displayed but appears highlighted Leica GS20 Field Guide 1 1 0en BEEN Basic Operation 2 Data Collection 21 Job Management When Data Collection is opened if no job is currently selected the user will be prompted to either Open an existing job or create a New job to continue If a new or empty job is selected the unit will prompt th
69. m None phase to static Phase Some settings might have been adjusted automatically Select Code To Create Feature 9 8 2 5 Collecting Static points including kinematic points of initialization In order to assist in the amount of time required to occupy a point to resolve phase ambiguities a status indicator has been included in the phase wizard The status screen provides the user with an estimated time needed to occupy a point based on the number of satellites the satellite geometry and the baseline length to the reference GPS Completed 0 Time to Go 00 00 00 Time at Pt 00 00 00 Cycle Slips 0 GDOP 2 2 Obs Rec Rate 1 5 static Obs 0 LL 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 a menu dialog in the codes screen Leica GS20 Field Guide 1 1 0en BENE NN Setup atop Phase Collection O 2 None phase a 3 Static Phase o 4 Kinematic Phase Antenna Type 47501 Tripod 1 Data Collection 5 Antenna And Baseline Setup 2 Data Management 5 Antenna And Baseline setup Shave Genter ors Height 1 3 Navigation 4 Job Management sene ee Fraser freen Baseline 5 15 km E 7 Utilities B setup SEE 98 3 WAAS and EGNOS 2 The most simple way to receive a WAAS correction is to The Wide Area Augmentation System or WAAS is a fre
70. n be selected by using the cursor or searching with the pop up dialog which opens with an alpha numeric key Figure 2 9 Data Collection Job Codelist 2 42 Attribution After a code is selected press Enter to open the attribution screen By default the focus is on the Occupy button however by using the cursor and Enter key attribution values can be entered Additional occupation selections can be accessed via the context menu 2 43 Point Collection Point collection is often as simple as entering attributes pressing Occupy and Save however different user defined quality settings can determine how the feature is collected see Setup Data Collection In addition to direct locations the user can also choose from a list of point offsets Feature Code APOINT Feature Name POnToooo2 DOLPos 0 Nodes Figure 2 10 Attribution Point Occupation Leica GS20 Field Guide 1 1 0en ET Data Collection 24 3 1 Point Offsets When a point cannot be collected directly an offset can be used to collect a point from a more accessible location Offset information can be entered either manually or via an external rangefinder The choice of point offsets available are listed below 4 Occupy b 2 Azimuth Azimuth 7 Map 3 Dist Dist Main Menu 4 Back Azimuth Dist Figure 2 11 Example of Dist Dist O S veg 28 580m 3 120m Dist From Pt B In opge Delta Ht B In onge Point Of
71. n data collection immediately New configurations can be created and default configurations can be modified but any modifications to a default must be saved under a different name 91 Selecting Modifying and Creating Configurations The Setup screen opens to a setup menu that displays the Config Sets Hardware Management ID Template Management and Device Management 1 Contig sets 2 Hardware Management 3 IDTemplate Management 4 Device Management 91 1 Selecting A configuration can be selected by selecting Config Sets and highlighting the table row and pressing Enter The selection is shown by a filled circle or radio button 91 2 Modifying If Enter is pressed again on a selected field Setup will open the configuration for editing If a Default Configuration is modified the user will have to 1 Save As via the context menu or exit dialog on Escaping Tip Changes will not take place until the configuration Is saved 91 3 Creating To create a new configuration from the table select Menu and choose 1 New A text entry dialog will open requiring a name to be entered and saved The configuration will then be selected and editable Ce When creating a new configuration values will be copied from the previously highlighted configuration Leica GS20 Field Guide 1 1 0en 63 Setup 92 Tree Directory Navigation The tree style directory menu of Setup groups similar screens into expandable branches Each branch o
72. omes an entered value and the cursor moves right to the next edit field 93 2 Contrast Provides contrast controls using the left and right arrow Tip Blind access fo the contrast controls are always available by pressing Menu in the Main Menu i e pressing Menu on Startup or 3 Menus from any screen 93 3 Wireless Bluetooth Connectivity The Bluetooth connectivity controls provide the user with the O Bluetooth Our Gae e0 BT WoRCS OO0000000000 sensor Transfer md virtual Serial 2 Se D ability to select and connect to the Leica Geosystems WoRCS 9331 Selecting a Wireless Device accessory belt and the PC Sensor Transfer unit Ce Either a Bluetooth Friendly name or the device address will be displayed upon sucessful inquiry 2 1 Expand the Wireless and Bluetooth Leica tree branches Highlight the wireless port to be connected i e WoRCS Sensor Transfer Virtual Serial 1 Virtual Serial 2 and press Enter Select Inquire to search for bluetooth devices Please wait will be displayed during the search Cancel will stop the inquiry When the soft button returns to Inquire select from the list of Available devices Select Menu and choose Save Leica GS20 Field Guide 1 1 0en 65 Setup 9 3 4 Clearing a Selected Device 1 Expand the Wireless and Bluetooth Leica tree branches 2 Highlight the wireless port to be cleared and select Menu and choose Clear 93 5 R
73. onics Association A standered originally defined to enable marine electronics instruments communication and navigation equipment to communicate Orthometric Height The distance of a point above the geoid or mean sea level Ortho Elipsoid Geoid PDOP Positional dilution of precision See DOP Post processing The process of computing positions in non real time using data previously collected by GPS receivers See differential corrections Pseudo range A measure of the apparent signal propagation time from the satellite to the receiver antenna scaled into distance by the speed of light Pseudorange differs from the actual range by the inlfuence of satellite and user clock Quality A measure of precision calculated by residuals calculated using a 2D sigma 67 confidence Real Time A DGPS position calculated by correcting autonomous GPS with a differential correction Leica GS20 Field Guide 1 1 0en 97 Glossary RTCM Radio Technicial Comission for Maritime services Commission set up to define differential data link to relay GPS messages from a monitor station to a field user Selective Availability Degradation of GPS point positioning accuracy for civilian users by the U S Department of Defense SA is produced by clock dithering or orbit degradation Signal to Noise Ratio 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 wit
74. ons on your purchase of the Leica Geosystems GS20 Professional Data Mapper To ensure premium support and service of your new GS20 please take the time to fill out and mail the attached Registration Card GustomerlBusinessName O Primary Contact Address 000000 Sy State Province County Oooo EmailandTeiephomeNe Lee Geosystems G520 Serial Number FirmwareVerson 0000000000 Accessories Purchased Aocessory Serial Numbers O OCO OOOO O WhowasyourLeicaDealer How was your out of the boxexperienee C C Firmware version can be located on the startup screen or by accessing the Hardware Screen in Status Leica Geosystems GS20 Field Guide 1 1 0en O0 5 Registration Company stamp additional notes information Leica dealer Leica Geosystems GS20 Field Guide 1 1 0en mo Registration Table of Contents 1 Basic Operation eere 11 1 5 4 Tables and Filtering see 19 1 1 Batteries and Charging sss 11 1 5 5 Filtering Mene 19 1 1 1 Calibrating the Battery 11 Er ee SSES Ge 1 2 Powering On the Unit 12 NTV EC CONS Luesiaiasmememakaevnnjoes menntueviekhbvsnsenknt 12 2 DataCollection ccccccccccccccccccccccccccccccucccccccunccuce 21 1 3 1 Accuracy Indicator 12 2 1 Job Management
75. p interface that has similar controls and are continuously updated but have independent settings Zooms filtering selection and autopan GPS are all unique to each applications mapview V K I 200 km Figure 1 4 Mapview Selected and Filtered Table 1 2 Mapview Legend Selected Filtered Selected Node Normal Standard features in Mapview Selected The currently active feature selection Filtered Display of features in a current table Leica GS20 Field Guide 1 1 0en Basic Operation 1 5 2 GPS Symbol and Zoom Controls By default an open mapping screen zooms to the full extent of data in a job however if no data exists the map will be centered on the GPS location scaled to 1 20m awaiting collected data The map submenu contains zoom controls for e Zoom In Zoom Out Zoom To Full Extents e Center Cursor Center GPS Center Selected e Autopan GPS Remember 3 and 9 function as zoom controls I Remember The mapview is only capable of displaying 12 000 nodes being points or line area verticies A warning will be issued at 9500 nodes that the map will be discontinued A final warning will be issued before the map display IS turned off Tip To minimize nodes in a job consider streaming lines and areas by distance or at a slower rate An 8 hour constant collection at a 5 second interval only produces 5 60 nodes Ce The map display can be turned off in the Job Management Screen
76. r points to be re occupied however it is not possible to keep the B collection and re occupy A Azimuth A 312 0000000 Delta Ht A focoom Azimuth B 141 2000000 Delta Ht B foooom Azimuth 318 0000000 Delta Ht A unm Azimuth B Long 00000006 Delta Ht B ninm DCyPos 0 9 Nodes Fos 2 good Avg 2 Nodes O 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 Clipboard by map or table in Data Management or Navigation Leica GS20 Field Guide 1 1 0en a Setup The known feature is automatically selected from the Geo 9 8 7 ASCII Input Clipboard in the offset screen No Occupation is necessary pata from external devices can be incorporated into node and feature data for applications such as Photos Hyper linking to Features Depth Finders to range water depth from a GPS position e Bar Code Scanners H l POOP 2 3 Calculate From Point Faste F R Azimuth 014 0000000 Distance p5000m Delta Ht nom To link an external ASCII Device 1 Set the RS232 Device Properties by Selecting Menu and choose 2 Device Properties 2 Select the Port to be used 3 Define if the ASCII device being defines the end of
77. re bluetooth module is set to line and on The single flashing red light indicates that power IS available 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 Leica GS20 Field Guide 1 1 0en 84 Setup 98 5 3 Checking the WoRCS Real Time Link Once the Bluetooth Link is established you will need to make sure that your real time device is linked and active If the status message Reference Data is Available appears setup is complete and there is no need to proceed any further Otherwise follow the steps of the status check below 98 5 4 WoRCS RTS 1 Ce The real time screen does not refresh automatically to From the Main Menu select Status Expand the Interfaces branch and select Real Time If you have communication with the RACAL module RTS you will see information about the Station ID frequency signal strength etc I Status GPS El Interfaces Hardware Kl mil refresh the values you will need to escape and re enter 2 If the Station 1 this means the Racal Unit does not have a subscription You will need to contact Racal LandStar to check the status of your subscription To find the office nearest you go to www landstar dgps com 3 If the station id is present and all lights are on on the RACAL Module escape to the Main Menu and select 8 Setup cs Verify the user defined configuration named
78. rections to all collected data within an unbroken kinematic chain The user is initially prompted to occupy a static point and the method of collection will be similar to that of static phase collection Once the point has been occupied for a sufficient amount of time based on the status indicator point and linear streaming data can be collected in a normal fashion If however at any time the GPS lock drops below 4 satellites the phase chain will be broken and the user will be required to initialize another static point Je i x s Ea euin LIEBE mol Cm om 98 2 4 The Interface In order to select a mode of phase collection the user simply needs to press the menu button in the Codes screen The user will then have the ability to select from three modes of collection 1 No Phase 2 Static Phase 3 Kinematic Phase 3 Kinematic Phase 4 Antenna And Baseline Setup nm Select Code To Create Feature Select Code To Create Feature Leica GS20 Field Guide 1 1 0en EGGET Setup When a phase mode has been switched a message will pop up to indicate that settings may have been changed to the configuration If you are currently in a default configuration the system will indicate that the changes must be saved into a new configuration and a prompt will appear to name that configuration Ww alti n H AN Data Collection mode has changed fro
79. rols help the unit to obtain satellites faster in a new geographic location or when there is no almanac data present on the unit Time Date and position controls can be edited by selecting 8 Setup 2 Hardware Management GPS Initialization Ce New almanac data is sent by a satellite every 12 5 minutes This can mean that it may take a maximum of 25 minutes depending when the first satellite is collected After the first position is calculated the Time and Initial Position fields will update to reflect the last position Remember Valid limits are 0 90 degrees for Latitude and 0 180 degrees East and West for Longitude 97 Data Collection The Data Collection subgroup is where quality minimums are defined for both automatic collection and notification alarms 97 1 Quality Monitor The Quality Monitor controls are subdivided into Point Quality which is also applicable for linear node collection and Line Area streaming Point Quality 1 Defined By Horizontal Vertical Horizontal amp Vertical or None Ce If only Horizontal or Vertical quality is chosen the other edit field will be disabled 2 Point Autostop None Occupation is manually controlled i e started and stopped by the user Quality The occupation will be stopped once the Quality defined e g Horizontal is achieved Positions The occupation will be stopped once the number of positions required are collected Ce Positions must achieve the req
80. s enter this will take you to the Bluetooth Setup screen 6 Press Inquire and wait until the Cancel button becomes Inquire again 7 You will see the Available Devices in the choice list By highlighting the available devices and pressing Enter you will see the entire list of available bluetooth devices in the choice list If multiple devices have been found select the device that matches your WoRCS bluetooth address displayed on the top of the bluetooth module Setup Available devices o00000000000 et 8 Finally press the Menu key and Save then Escape back to the main menu H 3 3m H o Us 3 9m POOP 1 9 Cancel 2 Cancel Available devices co0000000000 JESS Ensure batteries are charged and correctly inserted Ensure bluetooth module is set to line and on The single flashing red light indicates that power Is available 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 Tip 9 8 43 Checking the WoRCS Real Time Link Once the Bluetooth Link is established you will need to make sure that your real time device is linked and active If the status message Reference Data is Available appears setup is complete and there is no need to proceed any further Otherwise follow the steps of the status check below 9 8 4 4 WoRCS Real Time Beacon 1 From the Main Menu select 9 Status Exp
81. s of the cursor and press the menu button Areas can also be calculated from this menu Get Feature e select from Clipboard ME m B he o Calculate Area E l Main Menu Leica GS20 Field Guide 1 1 0en Applications An area can be selected from the table by highlighting the area and pressing enter An area may also be selected by copying it to the clipboard from a map or table display in Data Management or Navigation Log Mask Log File Limit 5 zl jhabitat habitat Available mask files will appear in the mask selection box Ce A mask file is necessary to create an output file e Enter the name of the Logfile to be saved In the LOG directory e Select a Tolerance or limit of error select from Clipboard L UE IQ in Areas internal to the main feature or parent area can be excluded from the calculation The selection process is identical to selecting a main feature but it is possible to select multiple features to be excluded The 09 command will not only provide the number of features excluded but will provide detail about each feature To Calculate press Menu and select Calculate A brief narrative of the calculation will appear on screen Ce The application does not verify that the area is within the parent object Be careful when calculating Leica GS20 Field Guide 1 1 0en 58 Applications The log file will now be av
82. t field up is home and down is end 3 Modify your Device Name to begin with Z This makes it easy to access from the bottom of the list Leica GS20 Field Guide 1 1 0en 67 Setup 4 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 ATDT4 4M 5 The Device Also Requires that a station be selected However it is necessary to create a station list or transfer from an external source To create a station file select Menu and 3 Station Create a New Station 6 From the Station list enter a dialing number and station name For the initial test keep the station Analog unless experience dictates otherwise You can also add coordinate values if you have them 7 Save the Station file and select the newly created station in the Device 93 8 Modifying your Configuration For this exercise we will select the existing Beacon configuration and create a user defined configuration from it 1 From the Main Menu select 8 Setup and 1 Config Sets 2 Highlight the Beacon Configuration Select Menu and Create New 3 Name the configuration GSM or Modem and Select and Open the configuration 4 Enter the Interface Real time Screen 5 From the Real time select a The format of the reference station corrections i e RTCM Leica or CMR b The Device Being used Press the right arrow to go to the end of the list Z c The Port being used
83. therwise press the Menu key twice to return to the Main Menu then Select 2 Data Management 3 In Data Management select Menu and choose 3 Select from Clipboard 4 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 Leica GS20 Field Guide 1 1 0en A Navigation 5 Job Management The Job Management application is where jobs are created selected deselected deleted and modified 1 Creation of a job is performed by selecting Menu and ee Creation Date D sen 2 Selection and deselection of existing jobs is toggled using the Enter key or choosing 2 Open or 3 Close in the context EE 10803 menu Creator cung 3 4 Deleting is performed via the context menu Coord System 4 Viewing or modifying job 5 Properties must be selected in EN isenid File the context menu 5 Rebuilding Repairing or Disabling the 6 Map is perfomred Cote File in the context menu Size Cz Coordinate systems can be attached to a job after the job is opened Figure 5 1 New Job Dialog Remember A Coordinate System must be attached to a mn project to calculate perimeter area or local Remember n order to save a new or modified job it Is coordinates necessary to Save in the context menu or Coordinate Systems and Codelists are linked to a job escape dialog however only the coordinate system
84. thium lon battery only the onboard battery status can be provided in percentages Because the Leica Geosystems GS20 does not rely on internal batteries for clock function time is only displayed when 1 or more satellites is tracked Leica GS20 Field Guide 1 1 0en IE Basic Operation 14 Button Functions 1 41 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 Special characters can be found on the decimal key on the lower right of the keyboard 1 4 2 Power Key To power the unit on the power key needs only to be pressed and released The unit will then respond with an audible tone followed by the splash screen C Time to splash screen may depend on compact flash size and the amount of data on disk While in operation the backlight can be turned on with a button press of less than 3 seconds If the power key is depressed and held for three seconds the unit will power down and give a message confirming the power down and saving of data Figure 1 2 Leica GS20 Keypad Remember Depressing and holding the key acts like multiple key presses Multiple functions Keys 3 and 9 have been provided with additional functionality In a map disp
85. uired quality to be stored Leica GS20 Field Guide 1 1 0en 3 Setup 3 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 Line Quality 1 Defines the horizontal quality tolerance for linear streaming Tip The Line Quality can be used to filter or just notify the user of positions that exceed quality This setting can be found in the Streaming Options in Data Collection 98 Interfaces The Interface subgroup controls how external devices interact with the Leica Geosystems GS20 The Interfaces can be further subdivided into Real Time Offset Devices and NMEA Output 9 8 1 Real Time Real Time or Differential correction allows a GPS to use a known reference position to correct the less accurate autonomous position The Leica Geosystems GS20 supports two combined message formats of the RTCM Radio Technical Commission for Maritime services standard RTCM 9 2 1 2 18 19 and 20 21 Several default devices are available for Real Time Interface e RIB CSI Real Time Coast Guard Beacon e RTS Racal LandStar Satellite Subscription Service e RS232 An open standard for 3rd party devices e GSM e Modem Devices To view or edit the properties of the device being used Select Menu and choose 2 Device Properties Tip Additional properties unique fo a device such as the RTB Frequency Bit Rate and RTS
86. wer pole Thus moving or deleting the parent would result in the child is also being moved or deleted By creating this topology in the field you remove the guesswork from the office Using the Geographic Clipboard Leica GS20 Field Guide 1 1 0en 40 Data Management L Types of Topology Line features can share endpoints arc node topology Area features can share boundaries polygon topology Line features can share segments with other line features H route topology eica GS20 Field Guide 1 1 0en Area features can overlap with other area features region topology Line features can share endpoint vertices with point features node topology Point features can share vertices with line features point events p 3 3 2 Flow of use Sharing a common node between blocks Select a Feature and then select a node If the feature is a point object you can copy the feature or the node Open Data Collection Open Data Management select a feature and then select a node 3 Copy the node to the clipboard N First 2 Previous 3 Next 4 Last 2 select from 3 Mavigated Distance 4 Paste from d E Inset Mew b 7 Delete Node 4 Page to Data Collection 5 From Data Collection select New Feature Data Management 6 Select More from the menu choices and Paste the node from the clipboard Occupy km aste from Clipboard save Feature 2 Azimuth
87. x 41 71 727 46 73 Original text www leica geosystems com
88. ymbol Preview S bani kon ke ka ka ke kb TJEN EE SG o o oe Oo ee o aa Pon L 0n0n0on0o000600006 000000 n0nn0nonn0on008006 mr oc r Figure 2 7 Map Symbology Enviro 6 Open Sensor Transfer Add Sensor Browse to location where codelists are stored default location CAGDP Data YCodelists Right click on codelist and select Send Files In the Send Files dialog select the codes you would like transferred Select the appropriate COM port and select Codelist from the File Type Choice With your codelist now on the sensor you are ready to attach it to your job and collect GIS Data Code Attributes Help Sensor Transfer New Code 2 Acrobat3 Adrienne Documents and Settings ESRI GDP_Data g Almanac 2 CC Codelists 5 x GQ Enviro x Expand DI Tmp COM Port C PCCard Cancel m Destination COM Port COMB 19 rhan 1520 System500 Figure 2 8 Transferring Codelists Leica GS20 Field Guide 1 1 0en 2 Data Collection 2 4 The Codelist and Occupation 2 4 1 The Job Codelist If a job is new i e does not contain any data the user will be taken to the code table otherwise the user is defaulted into a map view From the mapview you can enter features via the context menu or by just pressing Enter From the code table screen the code template ca
89. ystem a 3 dimensional transformations involve both Cartesian X Y Z shift as well as a rotation and scaling factor b 2 dimensional transformation usually involve an Euclidean X Y shift as well as a rotation and scaling factor The Z value perpendicular to the XY plane can also be shifted Leica GS20 Field Guide 1 1 0en 48 Job Management 5 112 Overview When creating a job it is possible to attach a pre defined coordinate system as well as interpolation files for non linear transformations and calculations of elevation above mean sea level It is also possible to re project a job into a coordinate system of datum at any time in the Job management application Coordinate Systems can be created in either GIS DataPRO or SKI PRO office software as well as pre defined coordinate systems which can be downloaded from local websites The coordinate systems can be transferred via bluetooth serial cable or directly onto the compact flash and is contained ina GPSTRF dat file Although the CSCS and Geoid files are attached to a coordinate system in the office software it is necessary to make a smaller more localized Field file for use in the GPS hardware These files can then be used in conjunction to the coordinate system on the GS20 to provide transformations and orthometric height values 5 1 3 Attaching a Coordinate System A coordinate system can be attached to a new job upon creation or to an existing job via the job prop
90. zimuth Azimuth of the GPS operators direction Course Velocity Velocity of the GPS operator DGPS Differential GPS A GPS system that utilizes differential code corrections to achieve an enhanced positional accuracy usually 0 5 5 meters Differential Corrections The determination of relative coordinates between the rover receiver from a reference receiver which are simultaneously tracking the same GPS signals Leica GS20 Field Guide 1 1 0en 95 Glossary Dilution of precision DOP A description of the purely geometrical contribution of the uncertainty in a position fix Ellipsoid A mathematical figure formed by revolving an ellipse about its minor axis used in geodesy to best fit the shape of the earth Ellipsoidal elevation The vertical distance of a point above the ellipsoid Firmware Embedded software that resides on a hardware device Geoid An equipotential surface which coincides with mean sea level and extends everywhere perpendicular with the force of gravity GIS Geographic Information System Geographic Information System GIS DataPRO The office software used interact between the Leica Geosystems GS20 and GIS and CAD packages GPS Global Positioning System GPS Time A continous time system based on the Coordinated Universal Time UTC from 6th January 1980 Greenwich Mean Time The mean solar time of the meridian of Greenwhich Used as the prime basis of standard time throughout the world HyperTrack Leica s Tr

Leica GS20 User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents