Thales Navigation CGRS Bedienungsanleitung

ProMark2 TM System U ser Guide www .thalesnavigation.com THALES NA VIGA TION[...]

ii Promark2 User ’ s Guide Copyright Notice Copyright © 2004 Thales Navigatio n. All rig h ts reserved. No part of this p ublication or the computer programs described in it ma y be repro- duced, translated, stored in a retr ieval sy stem, or transmitted in any form or by any means, ele ctronic, mech anical phot ocopying , recording, or othe rwi[...]

iii THALES NA VIGA TION PROFESSIONAL PRODUCTS - LIMITED W ARRANTY (North, Central and South America) Thales Navigation warrants their GPS receivers and hardwa re access ories to be free of defects in material and workmanship and w i ll conform to our published specifications for the product for a period of one year from the date of ori ginal purcha[...]

iv Promark2 User ’ s Guide sions or the U.N. Convention on Co ntracts for the International Sale of Goods, an d shall benef it Thales Navigation, its s uccess ors and assigns. This warranty gives the purchaser sp ecific rights. The purchase r may have other rights which va ry from locality to loc ality (in cludi ng Directive 1999/44/EC in the EC [...]

v THALES NA VIGA TION PROFESSI ONAL PRODUCTS LIMITED W ARRA NTY (Europe, Middle Eas t, Africa) All Thales Navigation global pos itioning syst em (G PS) receivers are navigation aids, a nd are not intended to replace other meth ods of navigation. Purchaser is advised to pe rform careful position charting and u se good judgment. R EAD THE USER GUIDE [...]

vi Promark2 User ’ s Guide trade secrets (9) any damage due to acci dent, resultin g from inaccurate satel lite transmis sions. Inaccurate tr ansmissions can occur due to c hanges in the position, health or geometry of a satellit e or modifications to th e receive r that may be req u ired due to any change in th e GPS. (Note: Thales Navigation GP[...]

vii Chapter 1 Introduction ...........................................................................1 What is the ProMark2 Survey Sy stem? ............. ...................... .......................... ................ 1 Items Supplied with ProMark2 .............. ............ ........... ...................... .......................... ..... 2[...]

viii Promark2 User ’ s Guide Stop-and-go or Kinematic Base ....................... ......................... ....................... ........... 59 Kinematic Initialization ............... ......................... .......................... ......................... ... 61 Overview .......... ......................... .......................... [...]

List of Figures ix Figure 1.1: ProMark2 Two-Recei ver System ............ ..................................................... 1 Figure 1.2 ProMark2 GPS Receive r ...................................................................... ........ 2 Figure 1.3 External GPS Antenna ................. ......................... ....................... ....[...]

x Promark2 User ’ s Guide Figure 3.11 Mounting ProMark2 into Field Br acket Cradle ................. ........................ 42 Figure 3.12 Field Bracket on Tripod ................... ......................... .......................... ....... 43 Figure 3.13 Antenna Cable Connection at the Antenna and Receiver ... ............. .......... 44 Fi[...]

List of Figures xi Figure 3.54 Survey Status Stop-and-go Screen ........................ ............................ ......... 91 Figure 3.55 Mode Screen .................. .......................... ......................... .......................... 93 Figure 3.56 Survey Screen ................ .......................... .......................[...]

xii Promark2 User ’ s Guide Figure 4.29 Low Memory Alarm ............... .......................... ......................... .............. 139 Figure 4.30 Kinematic Alarm........................ ......................... .......................... ........... 140 Figure 4.31 Power Down Screen................... ......................... .......[...]

xiii Table 1.1 Performance and Phys ical Specifications ... .......................... ...................... .... 12 Table 2.1 Control Buttons used for Survey Fu nctions .......................... ......................... . 24 Table 4.1 Survey Screen Selections ................. ... ....................... ...................... ............. 109[...]

xiv ProMark2 User ’ s Guide[...]

Introduction 1 Introduction 1 Intr oduction What is the Pr oMark2 Survey System? ProMark2 is a complete GPS system providin g both navigation an d precision surveying. Th e ProMark2 system, Figure 1.1, in cludes two or more ProMark2 GPS receivers, GPS antennas, and all ancillary components required to get you up and running and produ cing quality s[...]

2 Promark2 User’ s Guide The ProMark2 System operates in conjunction with Ashtech Solutions, Thales Navigation’ s highly-automated GPS post-processing engine. Ashtech Solutions is a complete, easy-to-use software package which manages and processes raw GPS data, deriving precise positioning data and presenting the results in easily understo od [...]

Introduction 3 Introduction External GPS Antenna The external GPS antenna, Figure 1.3, is required for surveying functions. While the built -in antenna is sufficient for navigation, a more sophisticated ex ternal antenna is required to obtain quality data for precisio n survey ing. The external GPS antenna is the physical data collection point for [...]

4 Promark2 User’ s Guide V ertical Antenna Extension The vertical antenna extension, Figure 1.5, provides clearance for the antenna cable when the antenna is mounted on a tripod. The length is 3 inches (0 .0762 m). Field Receiver Bracket The field receiver bracket, Figure 1.6, serves a number of functio ns. First, it provides the means for mounti[...]

Introduction 5 Introduction HI (Height of Instrument) Measurement T ape The HI measurement tape, Figure 1.7, is used to measure height of the GPS antenna over the survey point. The end of the tape hooks on to the antenna. The tape is extended unti l the spike on the tape case is on the point. Then the height of the antenna is noted on the tape. Fie[...]

6 Promark2 User’ s Guide Office Receiver Bracket with Download Cable The of fice receiver bracket with integrated download cable, Figur e 1.9, is an interface device that connects the ProMark2 receiver to an of fice computer for downlo ading of stored GPS satellite data. When the ProMark2 is placed into the bracket, the download ca ble is automat[...]

Introduction 7 Introduction The Ashtech Solutions post-processin g software, Figure 1.1 1, provides the to ols required to download and process the GPS satellite data from each ProMark2 receiver to produce relative positions of all point s surveyed. Ashtech Solu tio ns is provided on a CD which also contains a user ’ s guide. Documentation The fo[...]

8 Promark2 User’ s Guide Additional Items Required but not Supplied In order to conduct your survey , you will need some of the additional equipment discussed below . This equipment is not supplied with the standard ProMark2 survey sy stem. Tr i p o d , Tr i b r a c h , a n d Tr i b r a c h A d a p t e r For each ProMark2 receiver in your system,[...]

Introduction 9 Introduction Figure 1.13 T ribrach and T ribrach Adapter Figure 1.14 T ribrach Adapter Mo unted to Tribrach T ribrach adapter Tr i b r a c h Antenna ad apter 5/8 x 11 UNC thread Lock for antenna adapter Optical sight Levelling screw Levelling bubble Locking tab[...]

10 Promark2 User ’ s Guide Fixed-Height GPS T ripod An option to the tripod, tribrach, and tribrach adapter combination is the fixed-height GPS tripod, Figure 1.15. The fixed-height GPS tripod ha s the advantag e of eliminating t he possibility of measuring and/or reco rding an incorrect HI, since the heig ht is fixed. HI blunders are one of the [...]

Introduction 1 1 Introduction GPS Range Pole An option for mounting the ProMark2 when operating in kinematic mode is a range pole, Figure 1.16 Figur e 1.16: GPS Range Pole[...]

12 Promark2 User ’ s Guide Specifications T able 1.1 list s performance and physical specifications for the ProMark2 system. T able 1.1 Performance and Physical Specifications Parameter Specific ation GPS survey mode supp orted Static, S top-and-go, kinematic Survey accuracy (RMS) - Static Horizontal: 0.005m + 1 ppm V ertical: 0.010m + 2 ppm Surv[...]

Introduction 13 Introduction Note: Below -10°C, the ProMark2 scre en will eventually become blank. Although the screen is blank, the receiver is still operating normally , collecting survey dat a. Prolonged exposur e to temperatures below -20 °C could result in damage to the ProMark2 screen. Battery life Internal (2 AA): Up to 8 hours with alkali[...]

14 Promark2 User ’ s Guide Surveying with Pr oMark2 The ProMark2 system is designed to perfor m GPS surveys using static, stop-and-go, and kinematic modes of GPS data collection. The three modes run independently and the GPS receiver must be turned off to run in a dif ferent mode. In the static data collection mode, the GPS receiver systems simul[...]

Introduction 15 Introduction In the kinematic data collection mode, the GP S receiver systems simultaneously collect raw data from all available satellites while a receive r is moving. In most cases, one GPS receiver system is located on a known point serving as a base station collecting data at that location for the duration of the survey . Additi[...]

16 Promark2 User ’ s Guide Loading Maps fr om MapSend CD • Launch MapSend software. At t he top of the main window , choose Regions and select New (you can also use the toolbar for this purpose). • Now you can select with the mouse an area that you want to upload to ProMark 2. When you select the area, a window , where you need to enter a nam[...]

Introduction 17 Introduction • Choose Upload to GPS Uni t and press Next (make sure that ProMark2 is connected to your PC and turned on). By default, MapSend tries to find a receiver on COM1. If you connected the ProMark2 receiver to a ny other port, there sh ould be a window informing you that the receiver was not found. See this window below: ?[...]

18 Promark2 User ’ s Guide or Autodetect ), and if the serial cable is connect ed to the PC and not broken, and if the receiver is switched on, the following window should appear: •P r e s s OK and yo u will see the following message: Figure 1.21: Establishi ng Communication with ProMark2 Figure 1.22: “GPS Detected” Message[...]

Introduction 19 Introduction •P r e s s Next and the following w indow with informatio n about total sizes o f your maps and available space should appear: •P r e s s Finish and you will see the progress b ar of uploading: • After the uploading process is finished, you can use maps in ProMark2. Figure 1.23: Space Required on ProMark2 to Uploa[...]

20 Promark2 User ’ s Guide T ime in the Field S top-and-go Since the stop-and-go method requires an initiali zation, the occupation t imes are much sho rter than the static method. Initialization on a known point can be accomplish ed in as little as 15 seconds with a 1 second recording interval. Initia li zation with th e initializer bar is typic[...]

Introduction 21 Introduction Wher e to Find Information This manual is designed to guide you throug h the ProMark2 survey pr ocedures as well as provide general referen ce. Y ou can find ad ditional inform ation in the fo llowing docum ents: • User’s Guide for Navigation: This manual is supplied with your ProMark2 system, and provides detailed [...]

22 Promark2 User ’ s Guide[...]

Getting Started 23 Getting S tarted 2 Getting S tarted Overview This chapter discusses the basic features and op eration of ProMark2. This is followed by a quick tour of the survey interf ace to show how ProMark2 can be used to collect survey data with accompanying point attribute data. Contr ol Buttons Figure 2.1 shows the control buttons used for[...]

24 Promark2 User ’ s Guide T able 2.1 Control Buttons used for Survey Functions Button Description ENTER The ENTER button is used to e ither execu te the high lighted function, edit the highlighted parameter, or enter the highlighte d value. T o illustrate, refer to Figure 4.5 on page 1 10, which shows the Survey Menu screen. The Point Attribute [...]

Getting Started 25 Getting S tart ed Battery Life The ProMark2 receiver is conveniently powered by 2 standard AA batteries. Any battery type in the AA form factor can be used in the ProMark2 receiver , incl uding both disposables (alkaline, lithium) and Rayovac® IC3 rech argeables. Other rechar geables are not recommended. Lithiums will ru n the P[...]

26 Promark2 User ’ s Guide As is evident from the graph of the alkaline batteries, temperature plays a large part in the operational life. This is true for all battery types with the exception of lithiums. The lithiu m experiences little effect on operational life due to temperature, making lithium the best choice for low-temperature operation. T[...]

Getting Started 27 Getting S tart ed The final battery alarm is the Ex treme Low Power alarm, Figure 2.4. When this alarm appears, the active survey data file is closed and the recei ver is shut down after 10 seconds. The current batteries will need to be replaced in order to continue with the survey Figur e 2.4 Extreme Low Power Alarm[...]

28 Promark2 User ’ s Guide Installing Batteries T o install batt eries, remove the battery compar tment cover as shown in Figure 2.5. Remove old batteries, if any , and instal l new batteries, observ ing polarity as indi cated. Replace cover and tighten retaining screw . Memory Management The ProMark2 receiver includes 8 megabytes of me mory avai[...]

Getting Started 29 Getting S tart ed 2. Delete data from r eceiver after processing. Keep the data files in the receiver until afte r you have completed the processing. If a data file were corrupted during down load, this procedure will provide you wit h the opportunity to downl oad the file once again. 3. Beware of large de tailed street-level map[...]

30 Promark2 User ’ s Guide Downloading Collected Data to Office Computer After you have collected data in the field, you must download the data to an office computer and process the data using the Ashtech Solution s software. Use the following procedure to download the receiver data. 1. Insert the ProMark2 receiver into the office brack et, Figur[...]

Surveying with ProMark2 31 Surveying with ProMark2 3 Surveying with the Pr oMark2 System This chapter presents step-by-step procedures for performing a G PS survey with the ProMark2 system. Review this chap ter thoroughly b efore attempting to perform your first survey . As an exercise, take your system outside of your office and perform a sample s[...]

32 Promark2 User ’ s Guide . If you were to perform this survey wit h a conventional total station, you w ould probably p lan on running a closed-loop traverse from the existing control point through the two new poi nts, Figure 3.2. Th e same philoso phy can be used for GPS surveys. Figure 3.2 is your network design for this survey . The previous[...]

Surveying with ProMark2 33 Surveying with ProMark2 horizontal and 3 existing vertical control po ints. Again, if you were to perform this survey with a conventional tot al station, you w ould design a traverse plan which produced a strong looking netw ork of closed-loop traverses through t he points of the survey . Figure 3.4 shows one possible net[...]

34 Promark2 User ’ s Guide Although the netw ork design in Figure 3.4 w as produced with conventional traversing in min d, this same design can also be used if performing the survey with GPS equipment. When designing your network , keep the following principles in mind: • Design loops through the net work points wh ich resemble a square or circ[...]

Surveying with ProMark2 35 Surveying with ProMark2 our 3-point control survey network design, shown agai n in Figure 3.6. Assume that a 2-receiver ProMark2 system will be used to perform the survey in Figure 3.6. T o produce the link between th e existing control point 1 and the new point 2, simply place one ProMark2 receiver system on point 1, pla[...]

36 Promark2 User ’ s Guide T o execute this network design, you must perfor m a direct GPS observat ion between all points directly linked. Each link can be viewed as a required GPS vector . Counting the links in this network design, you will fi nd that 19 GPS vectors are requ ired to execute this design. If the survey was to be performed using a[...]

Surveying with ProMark2 37 Surveying with ProMark2 The observation plan shows that it will take 10 separat e observation sessions to complete the survey based on the network design in Figure 3. 7. Notice that all observation sessions, except for session 6, prod uce 2 vector s required from th e network design. O bservation 6 produces only one since[...]

38 Promark2 User ’ s Gui de location for the given time. Pay particular a ttent ion to satellite availab ility (number of satellites in view) and the satellite distrib ution. T o assist in analyzing the quality of satellite distribution, Dilution of Precision (DOP) values are presented. DOP is a quality analy sis value for satellite distributio n[...]

Surveying with ProMark2 39 Surveying with ProMark2 Performing a S tatic Survey with the ProMark2 The procedures for performing a static survey with the ProMark2 system can be broken down into four primary categories: equipment check , site selection , system setup , and data collection . Following the steps pres ented below sh ould result in succes[...]

40 Promark2 User ’ s Gui de signals transmitted by satellites ap proximately 21,000 km from eart h. Being of relatively hi gh frequency and low power , these sign als are not very ef fective at penet rating through objects that may obstruct the line-of-sigh t between the satellites and the GPS receiver . V irtually any object that lies in the p a[...]

Surveying with ProMark2 41 Surveying with ProMark2 System Setup Now that the survey site is identified, it is tim e to set up th e ProMark2 receiver system over the point to be surveyed. The setup procedure is illustrated below . 1. Set up tripod / tribrach combination over the survey point. This is done in precisely the same manner as for a conven[...]

42 Promark2 User ’ s Gui de 4. Place the ProMark2 receive r into the field bracket. W ith the field bracket in hand, place the base of the ProMark2 recei ver into the cradle and then tilt the receiver into pl ace, as seen in Figure 3.1 1. 5. Attach the field bracket / Pr oMark2 combinat ion onto the tripod Be careful not to disturb the tripod whe[...]

Surveying with ProMark2 43 Surveying with ProMark2 comfortable height for operat ion of receiver , as shown in Figure 3.12. 6. Connect GPS antenna cable. At the GPS antenna, screw in the antenna cable connector until the connectio n is tight. Connect the othe r end of the cable to the back of the ProMark2 receiver . This connection is made by simpl[...]

44 Promark2 User ’ s Gui de 7. Measure and record instrument height (HI) of GPS antenna The GPS antenna is the data collect ion point for GPS observati ons, i.e. the computed position for the point, horizontally and vertically , will be the location of the GPS antenna. It is fo r this reason that the an tenna is precisely positioned over the poin[...]

Surveying with ProMark2 45 Surveying with ProMark2 Data Collection W ith your ProMark2 receiver system set up over the point to be surveyed you are ready to begin data collection. This sect ion provides y ou with the step-by-step process of using the user-interface of the ProMar k2 to prepare the receiver to collect GPS data at this survey point. F[...]

46 Promark2 User ’ s Gui de receiver . The opening screen appears, followed by the Mode screen, Figure 3.15. 2. Select Survey from the Mode screen. Do not use Navigate Mode for data col lection. The accuracy of the downloaded waypoint s is no better than 3-16 meters. W ith Survey h ighlighted, press Enter to bri ng up the Survey screen, Figure 3.[...]

Surveying with ProMark2 47 Surveying with ProMark2 Data will begin the data collection process. Steps 3-1 1 below cover receiver and survey setup functions prior to th e s t art of actual data storage. Y ou will not need to access all of these functions each time you perform a survey , since some items, such as sel ection of units and r eceiver ID [...]

48 Promark2 User ’ s Gui de The Point Attribute screen lets you enter attribute information for the survey point you are about to o bserve. The attrib ute information comprises t he following parameters: • A 4-character site ID. Y ou must assign a unique site ID to each point surveyed in your project. If you observe the same poi nt more than on[...]

Surveying with ProMark2 49 Surveying with ProMark2 The File Manager screen provides you with the abili ty to delete old data fil es to free up more memory for the current observati on se ssion. The screen includes a list of the data files currently in memory and the tools to delete these files. Each file has a symbol associated with it with the fol[...]

50 Promark2 User ’ s Gui de The Unit of Measure screen lets you select the uni ts of measure in which you wish t o enter antenna height information. Also, the selected units determine the units of measure the Observation T imer utilizes. Press Enter to access the selection list of units. Highlight the desired selection and press Enter again. Sele[...]

Surveying with ProMark2 51 Surveying with ProMark2 The Receiver ID screen provides you w ith the ability to enter the 4-character receiver ID which is used in naming th e raw data files. Each raw data file from this receiver will include this 4-character receiver ID. The receiver ID must be uniq ue among all receivers used together in a survey . Ot[...]

52 Promark2 User ’ s Gui de W ith Contrast highlighted, press Enter to bring up the Contrast screen, Figure 3.22. The Contrast screen provides you with the ability to change the contrast of the receiver screen. Use the left/right arrows to adjust the contrast. Press the ENTER button when finished to return to the Survey Menu . 11 . Pr e s s t h e[...]

Surveying with ProMark2 53 Surveying with ProMark2 Y o u have completed the setup process and ar e now ready to begin data collection. Th e remaining steps will present how to start the data collection pro cess and how to monitor the progress of your survey . 12. From the Survey screen, select Collect Data . W ith Collect Data highlighted, press EN[...]

54 Promark2 User ’ s Gui de The Satellite S tatus screen provides you the status of GPS satellite acquisit ion and tracking by the receiver . Upon entry to this screen, satell ites available for tracking are displayed on the sky p lot. Once a satellite is acquired, its number is displayed i n reverse video (black box with white numbers) and a bar[...]

Surveying with ProMark2 55 Surveying with ProMark2 the Survey S tatus screen, Figure 3.25. The Survey S tatus screen provides information on the statu s of your survey d uring the data collection period. Information pr esented here will hel p you determine when enough data has been collected during this observation to ensure a quality position when[...]

56 Promark2 User ’ s Gui de 10 KM (6MI) - displays when there has been enough data collected to process a vector between this receiver and any other receiver simultaneously collecting data within 10 KM (6 MI) of this receiver . 15 KM (9MI) - displays when there has been enough data collected to process a vector between this receiver and any other[...]

Surveying with ProMark2 57 Surveying with ProMark2 pressing the Menu button. This is the same Survey Menu discussed earlier . All setup functions in the Survey Menu can be utilized at any time during the observation. In other words, steps 3-8 above can be performed after data collection begins, if desired. This allows data coll ection to beg in pri[...]

58 Promark2 User ’ s Gui de Kinematic Surveying with the Pr oMark2 System The kinematic data co llection process requires at least two receivers collecting data simultaneously . One receiver is called the base and must remain stat ionary throughout the d ata collection. T ypically , the base receiver will occupy a survey point for which the preci[...]

Surveying with ProMark2 59 Surveying with ProMark2 after a loss of lock is critical to maintaining survey accuracy . Finally , kinematic surveys are most successful when the kinematic base receiver is close to the kinematic rover . Accuracies of GPS-derived positions are distance-depen dent. The greater the distance between the GPS receivers, the l[...]

60 Promark2 User ’ s Gui de initialization, be sure to incorporate the bar as part of your base setup as shown in Figure 3.26. Note: The base antenn a is centered and levelled above the su rvey mark. The rover antenna is offset on the initializer bar . The initialization bar gi ves an accurate baseli ne of 0.2 m (0.656 ft) for initialization, Fig[...]

Surveying with ProMark2 61 Surveying with ProMark2 The rover antenna is transferred to the rover pole after ini tialization is completed, Fig ure 3.28. Kinematic Initialization Overview A unique aspect of the kinematic mode of data collection is the requirement to initialize the survey . The initialization process is required to produce highly prec[...]

62 Promark2 User ’ s Gui de described below along with recommendation s on when to use them. Bar Point Initialization Bar Point initialization is specific to ProMark2 and is performed using the supplied kinematic initializer bar . Bar Point initializat ion is the s econd quickest method of initializing a kinematic survey after initializing on a k[...]

Surveying with ProMark2 63 Surveying with ProMark2 Known Point Initialization The quickest method to initial ize a kinematic survey is Known Point initializati on. In most situations, initializa tion on a known point can be accomplished in 10 seconds or less. It's very important to note t hat the relationship between the kinemat ic base point [...]

64 Promark2 User ’ s Gui de point 0017, you get too close to the build ing causing the Kinematic SV Alarm to sound, indicating loss of init ialization. Y o u must re-initialize. Y ou return to the initializer bar . If you were careful not to move (rotat e) the bar , you can treat t he bar point as a known point and pe rform a Known Point initiali[...]

Surveying with ProMark2 65 Surveying with ProMark2 New Point Initialization The New Point method of kinematic initiali zation is the most time consuming method. It should be used only when other method s are not feasible. Observation ti mes for initialization using the New Point method range from 15-30 minutes for a ProMark2 System. The observation[...]

66 Promark2 User ’ s Gui de 2. Select Survey from the Mode screen. W ith Survey h ighlighted, press Enter to bri ng up the Survey screen, Figure 3.30. The Survey screen provides the opportunity to perform receiver and survey setup functions prior to beginning survey data collection. If you select Setup , you will be presented with the Survey Menu[...]

Surveying with ProMark2 67 Surveying with ProMark2 Steps 3-9 below cover receiver and survey setup functions prior to the st art of actual data storage. Y ou will not need to access all of these functions each time you perform a survey , since some items, such as sel ection of units and r eceiver ID will remain the same for most surveys. 3. Select [...]

68 Promark2 User ’ s Gui de The Point Attribute screen lets you enter attribute information for the survey point you are about to o bserve. The attrib ute information comprises t he following parameters: • A 4-character site ID. Y ou must assign a unique site ID to each point surveyed in your project. If you observe the same poi nt more than on[...]

Surveying with ProMark2 69 Surveying with ProMark2 7. From the Survey Menu , select Antenna . Set th e antenna height parameters for this point. Select Slant if you are measuring the antenna height to the outside edge of the GPS antenna, or V ertical if you are measuring the antenna height to the bottom of the GPS antenna. Enter the measured antenn[...]

70 Promark2 User ’ s Gui de The File Manager screen provides y ou with the abili ty to delete old data fil es to free up more memory for the current observati on se ssion. The screen includes a list of the data files currently in memory and the tools to delete these files. Each file has a symbol associated with it with the fol lowing meanings: &g[...]

Surveying with ProMark2 71 Surveying with ProMark2 The Unit of Measure screen lets you select the uni ts of measure in which you wish t o enter antenna height information. Also, the selected units determine the units of measure the Observation T imer utilizes. Press Enter to access the selection list of units. Highlight the desired selection and pr[...]

72 Promark2 User ’ s Gui de The Receiver ID screen provides you w ith the ability to enter the 4-character receiver ID which is used in naming th e raw data files. Each raw data file from this receiver will include this 4-character receiver ID. The receiver ID must be u nique among all receivers used together in a survey . Otherw ise, raw data fi[...]

Surveying with ProMark2 73 Surveying with ProMark2 The Contrast screen provides you with the ability to chan ge the contrast of the receiver screen. Use the left/right arrows to adjust the contrast. Press the ENTER button when finished to return to the Survey Menu . 12. Press the Esc button to exit th e Survey Menu . All setup functions have been e[...]

74 Promark2 User ’ s Gui de Y o u have completed the setup process and are now ready to begin data collect ion. The remaining steps will present how to start the data collection pro cess and how to monitor the progress of your survey . 13. From the Survey screen, select Collect Data . W ith Collect Data highlighted, press ENTER to bring up the Sa[...]

Surveying with ProMark2 75 Surveying with ProMark2 The Satellite S tatus screen provi des you the status of GPS satellite acquisition and tracking by the receiver . Upon entry to this screen, satell ites available for tracking are displayed on the sky p lot. Once a satellite is acquired, its number is displayed i n reverse video (black box with whi[...]

76 Promark2 User ’ s Gui de the Survey S tatus screen, Figure 3.40. The Survey S tatus screen provides information on the statu s of your survey duri ng the data collection period. Information pr esented here will hel p you determine when enough data has been collected during this observation to ensure a quality position when the data is later pr[...]

Surveying with ProMark2 77 Surveying with ProMark2 10 KM (6MI) - displays when there has been enough data collected to process a vector between this receiver and any other receiver simultaneously collecting data within 10 KM (6 MI) of this receiver . 15 KM (9MI) - displays when there has been enough data collected to process a vector between this r[...]

78 Promark2 User ’ s Gui de The Survey Menu is accessible any time during th e data collec tion process by pressing the Menu button. This is the same Survey Menu discussed earlier . All setup functions in the Survey Menu can be utilized at any time during the observation. In other w ords, steps 3-8 ab ove can be performed after data collection be[...]

Surveying with ProMark2 79 Surveying with ProMark2 S top-and-go Rover There are two rover modes available— S top-and-go and Kinematic . The mode must be selected prior to starting the survey . The following steps refer to the setup for stop-and-go operation. 1. T urn on the ProMark2 receiver by press ing the red on/off button on the face of the r[...]

80 Promark2 User ’ s Gui de W ith Survey h ighlighted, press Enter to bri ng up the Survey screen, Figure 3.42. The Survey screen provides the opportunity to perform receiver and survey setup functions prior to beginning survey data collection. If you select Setup , you will be presented with the Survey Menu from which parameters are set. Selecti[...]

Surveying with ProMark2 81 Surveying with ProMark2 4. From the Survey Menu , select Survey Mode . Set the mode to S top-a nd-Go . 5. From the Survey Menu , select Poin t Attribute . Enter at tribute information for the point you are about to survey . W ith Poin t Attribute highli ghted, press Enter to bring up the Point Attrib ute screen, Figure 3.[...]

82 Promark2 User ’ s Gui de The Point Attribute screen lets you enter attribute information for the survey point you are about to o bserve. The attrib ute information comprises t he following parameters: • A 4-character site ID. Y ou must assign a site ID to each point surveyed in your project. • A site occupation timer that counts down in se[...]

Surveying with ProMark2 83 Surveying with ProMark2 3.46). Note the Tim e o n S it e has been set to the default 300 seconds (5 minu tes). T o ent er additional point attrib ute information such as a site description, hig hlight the field to be changed, and press the ENTER button. Change the values to those desired. Select Save when you are finished[...]

84 Promark2 User ’ s Gui de 7. From the Survey Menu , select Antenna . Set the antenna height paramet ers for this point. Select Slant if you are measuring the antenna height to the outside edge of the GPS antenna, or V ertical if you are measuring the antenna height to the bottom of the GPS antenna. Enter the measured antenna he ight value. Chan[...]

Surveying with ProMark2 85 Surveying with ProMark2 The File Manager screen provides you with the abili ty to delete old data fil es to free up more memory for the current observati on se ssion. The screen includes a list of the data files currently in memory and the tools to delete these files. Each file has a symbol associated with it with the fol[...]

86 Promark2 User ’ s Gui de The Unit of Measure screen lets you select the uni ts of measure in which you wish t o enter antenna height information. Also, the selected units determine the units of measure the Observation T imer utilizes. Press Enter to access the selection list of units. Highlight the desired selection and press Enter again. Sele[...]

Surveying with ProMark2 87 Surveying with ProMark2 The Receiver ID screen provides you w ith the ability to enter the 4-character receiver ID which is used in naming th e raw data files. Each raw data file from this receiver will include this 4-character receiver ID. The receiver ID must be uniq ue among all receivers used together in a survey . Ot[...]

88 Promark2 User ’ s Gui de W ith Contrast highlighted, press Enter to bring up the Contrast screen, Figure 3.22. The Contrast screen provides you with the ability to change the contrast of the receiver screen. Use the left/right arrows to adjust the contrast. Press the ENTER button when finished to return to the Survey Menu . 12. Press the Esc b[...]

Surveying with ProMark2 89 Surveying with ProMark2 Y o u have completed the setup process and are now ready to begin data collection. The remaining steps will present how to start the data coll ection process and how to monitor the progress of you r survey . 13. From the Survey screen, select Collect Data . W ith Collect Data highlighted, press ENT[...]

90 Promark2 User ’ s Gui de The Satellite S tatus screen provides you the status of GPS satellite acquisit ion and tracking by the receiver . Upon entry to this screen, satell ites available for tracking are displayed on the sky p lot. Once a satellite is acquired, its number is displayed i n reverse video (black box with white numbers) and a bar[...]

Surveying with ProMark2 91 Surveying with ProMark2 14. From the Satellite Status screen, press the Nav/Surv button. While displaying the Satellit e Status screen, press the Nav/Surv button to bring up the Survey S tatus screen, Figure 3.54. Survey S tatus Screen The Survey S tatus screen provides information on the status of the surv ey during the [...]

92 Promark2 User ’ s Gui de 15. S tart is highligh ted and the receiver is ready to log point attrib ute information. Press the Enter button to start point attrib ute data collection. The Remain field will b egin to count down. When the Remain field reaches 00:00:00, St o p is high lighted, point attribute data collection is stopped, and the site[...]

Surveying with ProMark2 93 Surveying with ProMark2 Kinematic Rover There are two rover modes available— S top-and-go and Kinematic . The mode must be selected prior to starting the survey . The following steps refer to the setup for the kinematic rover mode of operation. 1. T urn on the ProMark2 receiver by press ing the red on/off button on the [...]

94 Promark2 User ’ s Gui de The Survey screen provides the opportunity to perform receiver and survey setup functions prior to beginning survey data collection. If you select Setup , you will be presented with the Survey Menu from which parameters are set. Selecting Collect Data will begin the data collection process. Steps 3-9 below cover receiv[...]

Surveying with ProMark2 95 Surveying with ProMark2 The Survey Menu provides you access to receiver an d survey setup functions. Y ou may wish to exercise some of these functions prior to beginn ing data collection. 4. From the Survey Menu , select Survey Mode . Set the mode to Kinematic . 5. From the Survey Menu , select Poin t Attribute . Enter at[...]

96 Promark2 User ’ s Gui de The Point Attribute screen lets you enter attribute information for the survey point you are about to o bserve. The attrib ute information comprises t he following parameters: • A 4-character site ID. Y ou must assign a site ID to each point surveyed in your project. • An optional 20-character narrative description[...]

Surveying with ProMark2 97 Surveying with ProMark2 Highlight Bar and select Save . The Point Attribute screen (Figure 3.60) will be shown. Note the Tim e o n S i t e has been set to the default 300 seconds (5 minutes). T o ent er additional point attrib ute information such as a site description, hig hlight the field to be changed, and press the EN[...]

98 Promark2 User ’ s Gui de Refer to the description of the Point Attribute- Kinematic screen, page 1 16, for further details regard ing this screen. Note: The Point Attribute – Kinem atic screen allows you to set the Ti m e o n Si t e field when the Initialize field is set to Bar or Known Point . Otherwise th e Ti m e o n Site field is not ava[...]

Surveying with ProMark2 99 Surveying with ProMark2 Figure 3.62. The File Manager screen provides you with the abili ty to delete old data fil es to free up more memory for the current observati on se ssion. The screen includes a list of the data files currently in memory and the tools to delete these files. Each file has a symbol associated with it[...]

100 Promark2 User ’ s Gui de Figure 3.63. The Unit of Measure screen lets you select the uni ts of measure in which you wish t o enter antenna height information. Also, the selected units determine the units of measure the Observation T imer utilizes. Press Enter to access the selection list of units. Highlight the desired selection and press Ent[...]

Surveying with ProMark2 101 Surveying with ProMark2 The Receiver ID screen provides you w ith the ability to enter the 4-character receiver ID which is used in naming th e raw data files. Each raw data file from this receiver will include this 4-character receiver ID. The receiver ID must be uniq ue among all receivers used together in a survey . O[...]

102 Promark2 User ’ s Gui de The Contrast screen provides you with the ability to change the contrast of the receiver screen. Use the left/right arrows to adjust the contrast. Press the ENTER button when finished to return to the Survey Menu . 12. Press the Esc button to exit th e Survey Menu . All setup functions have been examined and set. Pres[...]

Surveying with ProMark2 103 Surveying with ProMark2 Y o u have completed the setup process and are now ready to begin data collection. The remaining steps will present how to start the data coll ection process and how to monitor the progress of you r survey . 13. From the Survey screen, select Collect Data . W ith Collect Data highlighted, press EN[...]

104 Promark2 User ’ s Gui de The Satellite S tatus screen provides you the status of GPS satellite acquisit ion and tracking by the receiver . Upon entry to this screen, satell ites available for tracking are displayed on the sky p lot. Once a satellite is acquired, its number is displayed i n reverse video (black box with white numbers) and a ba[...]

Surveying with ProMark2 105 Surveying with ProMark2 the Survey S tatus screen, Figure 3.68. The Survey S tatus screen provid es information on the st atus of our survey duri ng the data collection period. From this screen , monitor the followi ng observation quality indicators: • Elapsed - The Elapsed field displays the amount of time passed sinc[...]

106 Promark2 User ’ s Gui de Note: The Elapsed field is r eplaced by the Remain fiel d during a point initialization. The Remain field will begin to count down. When the Remain field reaches 00:00:00, S top is highlighted, data coll ection is stopped, and the site ID is automatically incremente d. T ransfer the antenna from the initializer bar to[...]

Screen Descriptions 107 Screen Descriptions 4 Detailed Scr een Descriptions This chapter presents detailed descriptions of th e various screens that appear as you use the ProMark2 in the survey mode. The screen descr ipt ions assume user familiarity w ith the front panel control button s as described i n Control Buttons beginning on page 23. Figure[...]

108 ProMark2 User ’ s Guide Mode Scr een The opening screen, Figure 4.2, appears for a few seconds when you turn on the ProMark2. This is followed by the Mode screen, Figure 4.3. If, while still in the opening screen, the Enter key is pressed, this will take you immediately to the Mode screen, Figure 4.6. The Mode screen lets you select navigatio[...]

Screen Descriptions 10 9 Screen Des criptions Survey Scr een The Survey screen, Figure 4.4, provid es the option to begin data collection or to access the survey menu in order to set up receiver and data coll ection parameters without going i nto data collection mode. The ab ility to access the survey menu from this point is useful when you wish to[...]

1 10 ProMark2 User ’ s Guide Survey Menu Scr een The Survey Menu screen, Figure 4.5, giv es you control over receive r operational parameters, survey data collection paramete rs, and receiver raw data files. All functions found in the Survey Menu can be utilized at any time before or during survey data col lection. The Survey Menu is accessed by [...]

Screen Descriptions 111 Screen Des criptions Survey Mode Scr een The Survey Mode screen, Figure 4.6, lets you set the ty pe of survey you wish to perform. T able 4.3 describes the screen parameters. Figure 4.6 Survey Mode Sc reen T able 4.3 Survey Mode Screen Pa rameters Parameter Description Survey Mode Lets you se t the survey mode. St a t i c , [...]

1 12 ProMark2 User ’ s Guide Point Attribute - S tatic Screen The Point Attribute screen lets you ente r and store attribute info rmation of the point at which data is being or will be collected. The ente red attribute information is stored along with the raw survey data and downloaded for use during data processing. The Point Attribute screen is[...]

Screen Descriptions 11 3 Screen Des criptions Note: After a power cycle, all param eters set will be save d with the exception of the site ID, which will display the default value “??? ?”. Note: Site description information is sh ared by the three different modes of operation. So sit e description entries added, edited, or deleted in static, st[...]

1 14 ProMark2 User ’ s Guide Point Attribute - S top-and-go Screen The Point Attribute S top-and -go screen , Figure 4.8, lets you enter and store point attrib ute information when in stop-and-go mode. T ab le 4.5 describes the screen parameters. Figure 4.8 Point Attribute - S top-and-go Screen T able 4.5 Point Attribute - St op-and-go Parameters[...]

Screen Descriptions 11 5 Screen Des criptions Control Lets you set the point as a control point for future use as a known point initialization point. Set to Y es and the point occupied becomes availa ble as a known initialization point and is included in the si te id table. Set to No and the point is a standard point occupation. The default setting[...]

1 16 ProMark2 User ’ s Guide Point Attribute - Kinematic Scr een The Point Attribute - Kinematic screen, Figure 4.9, lets y ou set and save point attribute information when kinematic mode is selected. T able 4.6 des cribes the screen parameters. Figure 4.9 Poi nt Attribute - Kinematic Screen T able 4.6 Point Attribute - Kinemati c Screen Paramete[...]

Screen Descriptions 11 7 Screen Des criptions Site ID Scr een The Site ID screen, Figure 4.10, is available in stop-and-go and kinemat ic modes when Known Point has been selected in the Initialize field. T o access the site ID s creen, select Known Point in the Initialize field, then highlight the Site ID field and press Enter . The Site ID screen [...]

1 18 ProMark2 User ’ s Guide Site Description Scr een The Site Description screen, Figure 4.11, can be accessed from the Point Att ribute screen when the Site Description field is highlighted and the Enter key is press ed. The Site Description screen lets you select a descriptor from the descri ptor list, enter a new descriptor , edit an existing[...]

Screen Descriptions 11 9 Screen Des criptions Init Mode Scr een The Init Mode screen, Figure 4.12, is accessed from the Point Attribute screen when the Initialize field is highligh ted and the Enter key is press ed. The Init Mode screen l ets you select a t ype of point init ialization. The options inclu de <None> , Bar , and Known . T able 4[...]

120 ProMark2 User ’ s Guide Recording Interval Scr een The Recording Interval screen, Figure 4.13, lets you set the receiver record interval in seconds. T able 4.10 describes the recording interv al screen parameters. Figur e 4.13 Recording Interval Screen T able 4.10 Recording Interval Screen Parameters Parameter Description Seconds Calls the Re[...]

Screen Descriptions 12 1 Screen Des criptions Recording Interval List Scr een The Recording Interval List screen, Figure 4.14, is accesse d when the Interval field in the Recording Interval screen is highlighted an d the Enter key is pressed. The Recording Interval screen lets you select the receive r recording interval in seconds. T able 4.11 desc[...]

122 ProMark2 User ’ s Guide Antenna Scr een The Antenna screen, Figure 4.15, lets you set the GPS antenna parameters of the point at w hich data is being or will be collected. T able 4.12 describes the screen parameters. d Figure 4.15 Antenna Screen T able 4.12 Antenna Screen Parameters Parameter Description Height T ype Lets you select antenna h[...]

Screen Descriptions 12 3 Screen Des criptions File Manager Scr een The File Manager screen, Figure 4.16, lets you examine details of each data file stored in the receiver and delete data files that are no longer needed. Each data file is tagged with an identifier indicating if the file has been downlo aded; this is very useful when deciding whi ch [...]

124 ProMark2 User ’ s Guide Note: The session ID increments A-Z, which provides up to 26 unique session IDs for any given day number . If more than 26 files are collected in one day , the fir st digi t of the year is used as part of the sessio n ID. The following file list illustrates the session ID incrementing scheme: R1234A01.175 . . R1234Z01.[...]

Screen Descriptions 12 5 Screen Des criptions Unit of Measur e Screen The Unit of Measure screen, Figure 4.18 , lets you sel ect the preferred unit of measure in which the antenna heigh t values are to be entered in th e Point Attribute screen. The selection also defines the unit of measure used to display thresholds in the Observation Timer p aram[...]

126 ProMark2 User ’ s Guide Receiver ID Scr een The Receiver ID screen, Figure 4.19, lets you set the ide ntifier of the receiver to be used i n the raw survey data file name. E ach raw survey data file down loaded from this receiver will include this identifier in the name . Be sure to use a unique identi fier for each receiver used in a survey [...]

Screen Descriptions 12 7 Screen Des criptions Contrast Scr een The Contrast scree n , Figure 4.20, is accessed from the Survey menu, page 1 1 0. The Contrast screen lets you adjust the screen contrast using the left and right arrows. Press the ENTER key to exit the screen. Figure 4.20 Contrast Screen[...]

128 ProMark2 User ’ s Guide Survey S tatus - S tatic Scr een The Survey S tatus - Static screen, Figure 4.21, pr ovides important status information regarding receiver operation and the current data collection session. Al l important information about the survey can be viewed from this screen. Depend on the Survey S tatus screen to determine when[...]

Screen Descriptions 12 9 Screen Des criptions Obs. T imer The Obs. T imer field displays the current st ate of the observation timer . The possible displayed values are: 0 KM (0 MI) - displays when there has not been enough data collected to accurately process a vector betw een this receive r and others simultaneously collecting data. 5 KM (3MI) - [...]

130 ProMark2 User ’ s Guide Survey S tatus - S top-and-go Scr een The Survey S tatus – S top-and-go screen, Figure 4.22, pro vides important status informati on regarding receiver operation and the current data collection session. Al l important information about the survey can be viewed from this screen. Depend on the Survey S tatus screen to [...]

Screen Descriptions 13 1 Screen Des criptions Star t Th e ST ART button lets you begin poin t attribute data logging. When shown in reverse video (white lettering/black bac kground) the receiver is not storing point attribute information. Press the ENTER button to start point attribute data logging. Stop The STOP button lets you stop the point attr[...]

132 ProMark2 User ’ s Guide Survey S tatus – Kinematic Screen The Survey S tatus – Kinematic screen, Figure 4.23, provides important status information regarding receiver operation and the current data collection session. Al l important information about the survey can be viewed from this screen. Depend on the Survey S tatus screen to determi[...]

Screen Descriptions 13 3 Screen Des criptions PDOP The PDOP field displays the PDOP value at any given time, computed from all logged healthy satellites above 10 degrees elevation. Start The start but ton lets you begin the data session. When shown in reverse video (white lettering/black background) th e receiver is not storing data. Press t he ent[...]

134 ProMark2 User ’ s Guide Satellite S tatus Scre en The Satellite S tatus screen, Figure 4.24, provides a visual display of the GPS satellites which are currently available (i.e., abov e the horizon), satellites that are being tracked by the receiver, and the signal strength of the tracked satelli tes. Additionally , this screen displays curren[...]

Screen Descriptions 13 5 Screen Des criptions Memory status indicator The memory status indicator (box with pe rcent sign in lower right corner of display) provides a graphical and numerical indication of the percentage of memory available for storing data. The numerical value blinks once every record ing interval when data is being stored to memor[...]

136 ProMark2 User ’ s Guide Edit Scr eens Three screens appear at appropri ate times to allow you to enter or change parameters. These screens derive from th e site ID, site descript or , and receiver ID variables, as shown in Figure 4.25. T o chang e a parameter , u se the arrow keys t o navigate around the keyboard. When t he character you want[...]

Screen Descriptions 13 7 Screen Des criptions Alarm Scr eens Any of five alarm screen s may appear under certain con ditions: no external antenna connected, low battery , extreme low power , low data memory , and kinematic . These alarms are discussed in the following paragraphs. No External Antenna The ProMark2 will n ot allow you to collect surve[...]

138 ProMark2 User ’ s Guide again unless you turn of f the r eceiver and turn it back on. Extr eme Low Power The Extr eme Low Power alarm, Figure 4.28, appears when the receiver feels it can no longer guarantee continued, uninter rupted operat ion. At the appearance of this alarm, the receiver closes the active survey data file and shuts down aft[...]

Screen Descriptions 13 9 Screen Des criptions Low Memory The Low Memory alarm, Figure 4.29, appears when remaining memory for survey data storage is 5% or less. If you close the Low Memory alarm screen by pressing the ENTER key , the alarm will not appear again unless you turn off the receiver and turn it back on. Figure 4.29 Low Memory Alarm[...]

140 ProMark2 User ’ s Guide Kinematic Alarm The Kinematic Alarm screen, Figure 4.30, app ears when insufficient satellite measurements are available to maintain kinematic init ialization. When the alarm is active, the # Sats fiel d in Survey S tatus continues to display the number of tracked satellites independent of data quality . T o maintain c[...]

141 Power Down Scr een The Power Down screen, Figure 4.31, appears when the Power button is pressed momentarily during operation. When this screen appears, the ProMark2 wil l turn itself off in 5 seconds, or you can abort the power down by pressing the Esc key . Figure 4.31 Power Dow n Screen[...]

142 ProMark2 User ’ s Guide[...]

143 A active survey data file .............. ........27 almanac ....................... ......................37 antenna height . ........... 50 , 71 , 86 , 100 Ashtech ............. ...................... ...........38 Ashtech Solutions ...... 2 , 7 , 30 , 31 , 37 B battery st atus .................... ................26 begin data collectio n 47 [...]

144 ProMark2 User’ s Guide points in loop ....... ...................... ....... 34 poor availability .............. .................. 38 post-processing ................. ............. 1 , 7 power status ........ ...................... . 54 , 75 process longest vector ............. . 56 , 77 R raw data ........... 6 , 51 , 72 , 87 , 101 , 112 r[...]

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