IDS GeoRadar s r l DETDUO FW User Manual

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INGEGNERIA DEI SISTEMI S.p.A.

DETECTOR DUO

USER MANUAL

Rev. 1.1

N°doc: MN/2009/028

Config.: DETECTOR DUO-PRCS-OUT-MN

DETECTOR

DUO

SYSTEM –

User manual

Pisa, 12/02/2010

Tot pag. N°. = 74

IDS Ingegneria Dei Sistemi S.p.A. N doc: MN/2009/028 - Rev. 1.1 DETECTOR DUO SYSTEM – User manual

KEY WORDS GEORADAR, DETECTOR DUO, ANTENNA

SUMMARY This manual contains a complete description of the Detector Duo

radar system, detailing the assembly procedure, the correct use of the data acquisition software, the work procedure and the general operating procedures of the system.

Document Evolution

Revision Data Reason of modification

Rev. 1.0 09/07/2009 First edition. It has been added a warning disclaimer

and a new installation kit.

Rev. 1.1 12/02/2010 FCC Information updated

SW Versions covered by this manual

DETECTOR DUO V.02.00.000, 02.00.001, 02.00.006

OUR CONTACTS

IDS Ingegneria dei Sistemi S.p.A. – GeoRadar Division

Via Sterpulino, 20 56121 Ospedaletto (PISA) - ITALIA

Tel: +39.050.967111 Fax: +39.050.967121

inforis@ids-spa.it

Customer Care department:

customercare.gpr@ids-spa.it

Tel.: +39.050.967122

Sales & Marketing department:

sales.gpr@ids-spa.it

Tel.: +39.050.967123/24/43

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CONSEQUENCES OF AN

PROCESSING AND

ACCURACY OF THE

Y MUST NOT BE

HEY

E USER MUST NOT

IDS INGEGNERIA DEI SISTEMI SPA ASSUMES NO LIABILITY FOR ANY

DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES

OR INJURIES CAUSED BY SUCH RELIANCE ON THE ACCURACY,

LESS OF THE INFORMATION PROVIDED BY THOSE

ANY PERSON OR ENTITY WHO RELIES ON INFORMATION OBTAINED FROM

THE AUTOMATED DATA PROCESSING/ANALYSIS TOOLS ONLY, DOES SO AT

DETECTOR DUO SYSTEM – User manual

DISCLAIMER

IDS WILL NOT BE HELD RESPONSIBLE FOR THE IMPROPER USE OF THE EQUIPMENT AND/OR THE SOFTWARE.

THIS SOFTWARE MAY INCLUDE AUTOMATED DATA ANALYSIS TOOLS.

WHILE EVERY EFFORT IS MADE TO ENSURE THE INFORMATION PROVIDED BY THOSE TOOLS, THE INTENDED AS A SUBSTITUTE FOR INTELLIGENT ANALYSIS; RATHER, T HAVE TO BE INTENDED AS AN ADVISOR AND TH COMPLETELY RELY ON THE RESULTS PROVIDED BY THEM TO GIVE T

COMPLETE ANSWER.

RELIABILITY, OR TIME TOOLS.

HIS OR HER OWN RISK

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ment conforms to the following requirements set by EC

regulations, including subsequent modifications, and to the legislation set

e in industrial environments

(Class A apparatus). In residential, commercial and light industry

environments, this apparatus may generate radio interference: in this case,

the user may be required to operate while taking appropriate

paratus is sensitive to the presence of external electromagnetic fields,

els at a distance of 1 m or greater is below 1

d by the

operated in the

DETECTOR DUO SYSTEM – User manual

CONFORMITY TO EUROPEAN REGULATIONS

The equip

by the member states that implement these regulations:

1999/05/EEC Radio Directive

Warning: this equipment is destined for us

countermeasures. The ap

which may reduce its performance.

RADIO-FREQUENCY EXPOSURE COMPLIANCE

This product operated is usually operated at least 1 m from the operator. Typical power density lev

µW/cm2 (0.01 W/m2) which are far below the levels specifie current regulations.

Thus, this product pose no health and safety risk when normal manner of intended use.

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Before cleaning any external parts of the apparatus, make sure

that all cables have been disconnected, including the power

supply cable. If a damp cloth is used, make sure it is not too wet,

the electrical components of the

equipment. Wait until the equipment is totally dry before

The Detector Duo should be cleaned periodically using a damp

y to the electrical contacts of the

various connectors. If a specific spray is used to clean the PC

TFT monitor, make sure it is not flammable; ion any case, do not

spray it directly on the screen, instead, spray it onto the cleaning

DETECTOR DUO SYSTEM – User manual

WARNING

CLEANING INFORMATION

to avoid any damage to

reconnecting the cables.

cloth. Do not use solvents or abrasive detergents. Do not apply liquid directl

cloth.

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BATTERIES REMOVAL INFORMATION

Laptop Batteries: Manufacturer: PANASONIC Type: Li-ion Ni Characteristics: 10.65V 5.7Ah Removal instructions:

1. turn off the laptop;

2. open the drawer with the symbol of the batteries;

3. extract the battery pack pulling the tab.

Radar batteries: Manufacturer: FIAMM FG21202 / SAFT MP176065 Type: rechargeable lead acid / rechargeable lithium-ion Characteristics: 12V & 12Ah / 15V & 6.8Ah Removal instructions:

1. disconnect the battery from the instrument: a. pull the connector wings;

b. separate the connectors;

2. remove the battery from the cover (optional) opening the

strap.

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RECICLYING

The crossed out wheeled bin symbol shown on the equipment indicates that the product must be recycled separately from other waste at the end of its useful life.

Separate waste disposal of this product at the end of its useful life will be organised and managed by IDS. When you decide to dispose of the

equipment, contact IDS and follow the system that IDS has set up to permit the separate collection of the apparatus at its life end.

Adequate separate collection for its subsequent recycling, treatment and environmental friendly disposal contribute towards avoiding any unnecessary effects on the environment and to health and favour the reuse or recycling of the materials that make up the equipment. Unauthorised disposal of this product as unsorted waste by its possessor will lead to an administrative penalty foreseen by national regulations.

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WARRANTY CERTIFICATE CONDITIONS

1) IDS Ingegneria dei Sistemi S.p.A, hereinafter referred to as IDS, warrants hardware/software

products for a period of 12 months from the delivery date to the original customer;

2) The delivery date is certified by the “Warranty Registration Form”;

3) IDS’s hardware products will be free from defects in materials workmanship under normal use and

service;

4) IDS’s obligation is limited to repairing or replacing parts or equipment which are returned to IDS,

without alteration or further damage, and which in IDS s judgment, were defective or became defective during normal use;

5) IDS’ software will have to be installed on a PC according to the requirement of the IDS hardware (

see IDS User’s Guide the Software Data Acquisition);

6) IDS’ s software products designed by IDS for use for IDS hardware products are warranted not to

fail to execute their programming instructions due to defects during the warranty period, provided they are properly installed on IDS hardware products. IDS does not warrant if the IDS software will

be used and operated in hardware and software combinations not selected by IDS;

7) IDS does not assumes any liability for any direct, indirect, special, incidental or consequential

damages or injuries caused by proper or improper operation of its equipment whether defective or not defective;

8) This software may include automated data processing and analysis tools. While every effort is made

to ensure the accuracy of the information provided by those tools, they must not be intended as a substitute for intelligent analysis; rather, they have to be intended as an advisor and the user must

not completely rely on the results provided by them to give the complete answer. IDS assumes no liability for any direct, indirect special, incidental or consequential damages or injuries caused by

such reliance on the accuracy, reliability, or timeliness of the information provided by those tools. Any person or entity who relies on information obtained from the automated data

processing/analysis tools only, does so at his or her own risk;

9) IDS’s warranty does not extend and shall not apply to: a) Products which have been repaired or altered by other than IDS personnel;

b) Products which have been subjected to misuse, neglect, accident or improper installation; c) Products in which have been installed Hardware/Software accessories not supplied by IDS

and/or without any approval by IDS;

d) Products which have been connected to equipment different from the ones supplied by IDS

(except the PC data Logger which must conform to IDS specifications;

e) Products which have been damaged by natural disaster or calamities.

10) Before returning any equipment to IDS , you have to contact the IDS Customer Care Office that will authorize you to return the material to be repaired;

11) Once the parts/equipment to be repaired arrive to IDS, IDS may inspect the defective products to verify they are eligible for repair or replacement. All packing must be saved for inspection purpose

in order to assist IDS to understand the cause of the defects. IDS, will not be obliged to repair, or replace for products returned as defective but damaged from abuse, misuse, neglicence , accident

loss or damage in transit;

12) The final clients, is responsible for ensuring the defective products returned to be properly packaged;

13) The above warranty are sole and exclusive, and no other warranty, whether written or oral, is expressed or implied.

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IMPORTANT NOTE FOR THE US CUSTOMERS

FCC ID: UFW-DETDUO-FW This device complies with part 15 of the FCC Rules:

Operation is subject to the following conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, Including interference that may cause undesired operation

Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Operation of this device is restricted to law enforcement, fire and rescue officials, scientific research institutes, commercial mining companies, and construction companies. Operation by any other party is a violation of 47 U.S.C.

§ 301 and could subject the operator to serious legal penalties.

Coordination Requirements. (a) UWB imaging systems require coordination through the FCC before the equipment may be used. The operator

shall comply with any constraints on equipment usage resulting from this coordination. (b) The users of UWB imaging devices shall supply detailed operational areas to the FCC Office o f Engineering and

Technology who shall coordinate this information with the Federal Government through the National Telecommunications and Information Administration. The information provided by the UWB operator shall include

the name, address and other pertinent contact information of the user, the desired geographical area of operation, and the FCC ID number and other nomenclature of the UWB device. This material shall be submitted to the following address:

Frequency Coordination Branch., OET Federal Communications Commission 445 12th Street, SW

Washington, D.C. 20554 ATTN: UWB Coordination (d) Users of authorized, coordinated UWB systems may transfer them to other qualified users and to different

locations upon coordination of change of ownership or location to the FCC and coordination with existing authorized operations.

(e) The NTIA/FCC coordination report shall include any needed constraints that apply to day-to-day operations. Such constraints could specify prohibited areas of operations or areas located near authorized radio stations for

which additional coordination is required before operation of the UWB equipment. If additional local coordination is required, a local coordination contact will be provided.

(f) The coordination of routine UWB operations shall not take longer than 15 business days from the receipt of the coordination request by NTIA. Special temporary operations may be handled with an expedited turn-around time

when circumstances warrant. The operation of UWB systems in emergency situations involving the safety of life or property may occur without coordination provided a notification procedure, similar to that contained in CFR47 Section 2.405(a)-(e), is followed by the UWB equipment user.

Notice: Use of this device as a wall imaging system is prohibited by FCC regulations.

IMPORTANT NOTE FOR THE CANADIAN CUSTOMERS

IC Certification Number: IC:8991A –DETDUOFW This device complies with the requirements of IC Standard RSS-220 This Ground Penetrating Radar Device shall be operated only when in contact with or within 1 m of the ground.

This Ground Penetrating Radar Device shall be operated only by law enforcement agencies, scientific research institutes, commercial mining companies, construction companies, and emergency rescue or firefighting organizations.

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INDEX

1. Introduction..................................................................................................................13

1.1 Scope....................................................................................................................14

1.2 Trademarks...........................................................................................................14

1.3 Acronyms and Definitions.......................................................................................14

1.3.1 Acronyms................................................................................................... 14

1.3.2 Definitions.................................................................................................. 14

2. Overview.......................................................................................................................16

2.1 How to use this manual..........................................................................................16

2.2 Background knowledge required.............................................................................16

3. User guide.....................................................................................................................17

3.1 Description of the hardware...................................................................................17

3.1.1 The Detector Duo Control Unit ....................................................................... 18

3.1.2 The antenna box........................................................................................... 21

3.1.3 Power supply............................................................................................... 21

3.1.3.1 Charge level and battery replacement...................................................... 22

4. Assembly procedure......................................................................................................23

4.1 How to assemble the trolley....................................................................................23

4.2 Connecting the cables............................................................................................25

4.2.1 Connecting the battery................................................................................... 25

4.2.2 Mounting the antenna and connecting its cables.................................................. 25

4.2.3 Mounting the PC notebook and the sunshade..................................................... 27

4.2.4 Connecting the position sensor........................................................................ 29

4.2.5 Removing the trolley wheels........................................................................... 29

5. The acquisition software...............................................................................................31

5.1 The Notebook Computer.........................................................................................31

5.1.1 Hammerhead rugged tablet PC........................................................................ 31

5.1.2 Panasonic Toughbook rugged tablet PC............................................................ 34

5.2 Basic characteristics of the notebook PC.................................................................35

5.3 Software installation and configuration...................................................................36

5.4 The operational phases ..........................................................................................41

5.4.1 Running the software .................................................................................... 41

5.4.2 Pre-acquisition commands.............................................................................. 42

5.4.3 Commands used during acquisition.................................................................. 46

5.4.3.1 Acquisition for on-site detection ............................................................ 48

5.4.3.2 Acquisition for mapping....................................................................... 53

5.4.4 Depth calibration.......................................................................................... 57

5.4.5 Post-acquisition commands............................................................................ 58

5.5 Error messages......................................................................................................64

6. Work procedure flowchart............................................................................................65

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7. How to use the detector.................................................................................................66

8. On line assistance..........................................................................................................69

8.1 Remote assistance using Webex Support Center.......................................................69

8.1.1 How to use the Webex service......................................................................... 69

Appendix A - The preliminary investigation.....................................................................73

Appendix B - The technical maps .....................................................................................73

Appendix C - Opening manholes......................................................................................74

FIGURES INDEX

FIG. 3.1 – OVERVIEW OF THE DETECTOR DUO AND ITS COMPONENTS............................... 17

FIG. 3.2 – THE CONTROL UNIT............................................................................................. 18

FIG. 3.3 – THE ANTENNA-CONTROL UNIT CONNECTION CABLE......................................... 18

FIG. 3.4 – THE INVERTED NETWORK CABLE........................................................................ 19

FIG. 3.5 – THE POWER SUPPLY CABLE................................................................................. 19

FIG. 3.6 – BATTERY CABLE CONNECTION FOR THE NOTEBOOK PC AND THE DAD, SWITCH

ON BUTTON (RED)...................................................................................................... 20

FIG. 3.7 –IDS ATS DUAL 250-700 ANTENNA BOX.................................................................. 21

FIG. 3.8 – LEAD BATTERY.................................................................................................... 21

FIG. 3.9 – BATTERY STATUS SIGNAL (LEFT) AND THE BATTERY CHARGER (RIGHT).......... 22

FIG. 4.1 – TROLLEY FOLDED IN ITS CARRIER BAG.............................................................. 23

FIG. 4.2 – OPENING THE TROLLEY....................................................................................... 24

FIG. 4.3 – UPPER BLOCKING MECHANISM........................................................................... 24

FIG. 4.4 – BATTERY AND CABLING SUPPORT ...................................................................... 25

FIG. 4.5 – FIXING THE ANTENNA BOX ................................................................................. 26

FIG. 4.6 –ANTENNA-RADAR CONNECTION.......................................................................... 26

FIG. 4.7 – TROLLEY-ANTENNA LOCKING SYSTEM............................................................... 27

FIG. 4.8 – FIXING THE NOTEBOOK PC.................................................................................. 27

FIG. 4.9 – ASSEMBLING THE SUNSHADE.............................................................................. 28

FIG. 4.10 – SUNSHADE ON HORIZONTAL SCREEN................................................................ 28

FIG. 4.11 – CONNECTING THE POSITION SENSOR................................................................. 29

FIG. 4.12 – REMOVING THE TROLLEY WHEELS ................................................................... 30

FIG. 5.1 – HAMMERHEAD RUGGED TABLET PC................................................................... 32

FIG. 5.2 – PANASONIC TOUGHBOOK CF-19 .......................................................................... 35

FIG. 5.3 – DETECTOR DUO SETUP ICON............................................................................... 36

FIG. 5.4 – DETECTOR DUO WELCOME WINDOW.................................................................. 36

FIG. 5.5 – SETUP TYPE WINDOW.......................................................................................... 37

FIG. 5.6 – PRE-INSTALLATION WINDOW.............................................................................. 37

FIG. 5.7 – INSTALLATION COMPLETED WINDOW ................................................................ 38

FIG. 5.8 – SELECTING THE ETHERNET CARD (TCP/IP).......................................................... 39

FIG. 5.9 – CHANGING THE IP ADDRESS................................................................................ 40

FIG. 5.10 – ACQUISITION SOFTWARE ICON.......................................................................... 41

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FIG. 5.11 – INITIALIZING WINDOW ...................................................................................... 42

FIG. 5.12 – GAIN CALIBRATION UNDERWAY....................................................................... 43

FIG. 5.13 –ADVANCED SETTINGS WINDOW......................................................................... 44

FIG. 5.14 –ACQUISITION SELECTION WINDOW.................................................................... 46

FIG. 5.15 –NEW ACQUISITION WINDOW............................................................................... 47

FIG. 5.16 – RADAR MAP DURING THE ACQUISITION PHASE................................................. 49

FIG. 5.17 – IDENTIFYING A TARGET..................................................................................... 50

FIG. 5.18 – THE ANTENNA CENTER POINT........................................................................... 50

FIG. 5.19 –UP/DOWN FUNCTIONS......................................................................................... 51

FIG. 5.20 –DUAL DISPLAY DURING ACQUISITION................................................................ 52

FIG. 5.21 – ICONS FOR TYPES OF PIPES AND CABLES.......................................................... 53

FIG. 5.22 – DIAGRAM OF THE T-L CARTESIAN REFERENCE SYSTEM................................... 54

FIG. 5.23 –ACQUISITION PARAMETERS WINDOW................................................................ 56

FIG. 5.24 – DELETING A SURVEY......................................................................................... 59

FIG. 5.25 – HOW TO RENAME A SURVEY.............................................................................. 60

FIG. 5.26 – INSERTION OF A MARKER DURING THE REVIEW PHASE.................................... 61

FIG. 5.27 – PRINT FUNCTION................................................................................................ 62

FIG. 5.28 – FINAL PRINTOUT OF A RADAR MAP................................................................... 63

FIG. 5.29 – CLOSING THE PROGRAM.................................................................................... 63

FIG. 7.1 – TRACE OF A PIPE PERPENDICULAR TO THE DIRECTION OF INVESTIGATION AND A

FLAT INTERFACE........................................................................................................ 66

FIG. 7.2 – MAPS SHOWING TRACES OF AN INTERFACE AND PIPES PERPENDICULAR TO THE

DIRECTION OF INVESTIGATION.................................................................................. 67

FIG. 7.3 – EXAMPLE OF MAP INTERPRETATION................................................................... 68

FIG. 8.1 – MAIL SENT BY IDS TO THE CLIENT ...................................................................... 69

FIG. 8.2 – CLIENT DATA INSERTION FORM.......................................................................... 70

FIG. 8.3 – WEBEX SET UP WINDOW...................................................................................... 70

FIG. 8.4 – WELCOME TO WEBEX SUPPORT CENTER WINDOW............................................. 71

FIG. 8.5 – COMMAND ACCEPTANCE WINDOW..................................................................... 72

TABLES INDEX

TAB. 1.1 – CONTACT ADDRESSES FOR TECHNICAL AND SALES ASSISTANCE..................... 13

TAB. 3.1 – CONTROL UNIT CHARACTERISTICS.................................................................... 20

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DETECTOR DUO SYSTEM – User manual

1. INTRODUCTION

The Detector Duo is an innovative system capable of detecting tubes and both metallic and non metallic cables buried underground.

Following standard radar principles, the Detector Duo uses a high performance electromagnetic sensor equipped with e.m. transmitters and receivers.

The fundamental characteristic of this system is the simultaneous use of two frequencies, permitting the identification of both shallow and

deep utilities at the same time. The groundbreaking control unit is extremely compact and lightweight

at just 1Kg , and is compatible with 2 ATS antennas with frequencies of 700MHz and 250MHz located in a single container. The simplicity of this instrument means that a brief training course is sufficient to permit it to be used correctly.

I.D.S. Ingegneria dei Sistemi S.p.A. – Georadar Division

Via Sterpulino, 20 56121 Ospedaletto (PI) Sales & Marketing Department: Paolo Papeschi: (p.papeschi@ids-spa.it) Tel.: +39.050.967123

Customer Care Department:

Davide Morandi: (d.morandi@ids-spa.it); Valter Baroncini: (v.baroncini@ids-spa.it); Tel.: +39.050.967122 Fax: +39.050.967121 E-mail: inforis@ids-spa.it Web site: http://www.idsgeoradar.com/

Tab. 1.1 – Contact addresses for technical and sales assistance

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IDS Ingegneria dei Sistemi

DETECTOR DUO SYSTEM – User manual

The simple acquisition software and automatic data saving procedures operate well on both Windows 2000 Professional and Windows XP Professional. For details on the required characteristics of the notebook PC, see Paragraph 5.1.

From an operative point of view, the Detector Duo can perfectly adapt to all applications for pipe and cable detection in a typical roadworks environment, both over smooth and rough ground.

Contact IDS Georadar Division directly for all technical and commercial assistance.

1.1 Scope

This document describes how to use the Georadar Detector Duo, including both its hardware and software components.

1.2 Trademarks



WINDOWS 2000 PROFESSIONAL

/WINDOWS XP PROFESSIONAL



DETECTOR DUO

1.3 Acronyms and Definitions

1.3.1 Acronyms

DETECTOR DUO: double antenna digital pipe detection system.

1.3.2 Definitions

Microsoft Corporation

S.p.A.

Antenna trolley: a unit that holds all the equipment necessary for acquisition in the field.

Centerpoint : the ideal point of the trolley, situated in the center of the box containing the antennas; it represents the starting point for all

scans.

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DETECTOR DUO SYSTEM – User manual

Data processing: this is applied to the raw data to permit the acquired

sections to be viewed in a comprehensible way.

Field survey: a group of field acquisitions relating to a single survey. Handle: a extractable handle is gripped by the operator to move the

antenna trolley. Maps: graphics showing the change in received radar signal (signal

intensity in gray scale) with respect to the scanning direction. Position sensor: a distance measurement device fixed inside one of

the trolley wheels, which constantly signals the distance travelled from the start of the scan back to the Control Unit .

Raw data: unprocessed data obtained during a field survey. Receiver : part of the antenna dedicated to detecting the signals. It is

lodged in the same container as the transmitter. Scan: a single movement of the antenna trolley from the beginning to

the end of a pre-established path

Setup: initialization of a piece of equipment or a software process. Survey: the name given to a collection of scans, which together cover

all the areas of a large investigation: typically an entire town or a large urban area

Transmitter: part of the antenna dedicated to emitting the radar signals. It is lodged in the same container as the receiver.

Utilities: the objects the Detector Duo searches for, i.e. pipes supplying gas and water, electricity cables, etc.

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DETECTOR DUO SYSTEM – User manual

2. OVERVIEW

2.1 How to use this manual

This Detector Duo user manual is subdivided as follows:

• Chap. 1: Introduction.

• Chap. 2: Overview.

• Chap. 3: User guide.

• Chap. 4: Assembly procedure.

• Chap. 5: The acquisition software.

• Chap. 6: Work procedure flowchart.

• Chap. 7: How to use Detector Duo.

2.2 Background knowledge required

The following background knowledge is required to be able to use Detector Duo:

 Windows 2000 Professional or Windows XP Professional

operating system.

For any difficulties with this aspect, the user should make reference to publications available on this topic or to the manual provided with the system.

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DETECTOR DUO SYSTEM – User manual

3. USER GUIDE

3.1 Description of the hardware

The Detector consists of the following parts (see Fig. 3.1):

• DAD DECT DUO Control unit(1).

• Two wheeled trolley used to move the system (2).

• Power cable (3).

• Inverted network cable (4).

• Antenna Box - Control Unit connection cable (5).

• Position sensor connection cable (6).

• Position sensor (7).

• Detector Duo Antenna (8).

• 12V lead battery (see Fig. 3.8) (9) .

• Notebook computer (10) (see specifications in paragraph 5.1).

Fig. 3.1 – Overview of the Detector Duo and its components

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3.1.1 The Detector Duo Control Unit

The control unit has the following main functions:

 To communicate with the antenna.  To communicate with the notebook computer.

 To pilot the position sensor.

The control unit (Fig. 3.2) is fitted with the following connection ports:

 Position sensor port (4): the position sensor is connected to the

control unit using the specific cable. This port is marked as WHEEL.

Fig. 3.2 – The Control Unit

2 1

 Antenna port (3): using the cable shown in Fig. 3.3, this

connects the Control Unit to the antenna. It is marked as ANT.1.

Fig. 3.3 – The Antenna-Control Unit connection cable

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 Network port (2): a inverted network cable (Fig. 3.4) connects

the control unit to the notebook PC. This port is marked LAN.

Fig. 3.4 – The inverted network cable

Power supply port (1): this connects the battery to the Control Unit using the power supply cable (Fig. 3.5).

Fig. 3.5 – The power supply cable



On button (red – 5) with spy light (blue - 6): pressing this button starts up the entire system. A blue spy light switches on automatically when the button is pressed and indicates that the system is being powered (Fig. 3.2).

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Fig. 3.6 – Battery cable connection for the notebook PC and the DAD, switch on button

(red)

Press the red button to switch on the DAD control unit (Fig. 3.6). This button has to be kept pressed until the blue on switch lights up. If the DetectorDuo software is not activated within 30 seconds, the indicator light will start to flash. As soon as the DetectorDuo software is activated the indicator light stops flashing and appears a constant blue light. If, however, the Software is not activated within about 2 minutes 30 seconds, the DAD unit will automatically shut down. Once the DetectorDuo software has been shut down, the indicator will flash for about 30 seconds and will automatically shut down after 2 minutes.

GENERAL CHARACTERISTICS OF THE CONTROL

UNIT

NUMBER OF CONNECTABLE ANTENNAS

VOLTAGE

ENVIRONMENT FEATURES

PANEL CONNECTORS

12V +/- 10%

IP65

LAN, BATTERY, ANT.1,

WHEEL

ABSORBED POWER

OPERATING TEMPERATURE

8W (1 antenna)

-10 / +40 °C

Tab. 3.1 – Control Unit characteristics

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To connect

DETECTOR DUO SYSTEM – User manual

3.1.2 The antenna box

The detector duo system can be used with the box containing two antennas, one with a frequency of 700MHz and the other with 250

MHz (see Fig. 3.7):

NOTE: it is also possible to connect the DAD to one of the two ATS single frequency models at 250MHz or 700MHz.

3.1.3 Power supply

The Control Unit is powered by :

 A lead 12V, 12Ah battery (see Fig. 3.8).

Fig. 3.7 –IDS ATS DUAL 250-700 antenna box

to the power supply cable

Fig. 3.8 – Lead Battery

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3.1.3.1 Charge level and battery replacement

When the spy light is lit next to the power supply port on the radar, this indicates that the system is powered: if it is not lit, this means that

either the cable is not connected correctly or that the battery is flat (less than 10V). The battery has an autonomy of around 12 hours. When the battery runs, down the instrument must be switched off, another battery connected, and the system can be started up again. A flat battery can be completely recharged in around 3 hours with the appropriate battery charger (see Fig. 3.9 right). A software message on the PC informs the user of the battery charge level with a BATT button (see Fig. 3.9 left), which changes color as follows:

 Green if the battery is fully charged,  Yellow if it is semi-charged,

 Red if the battery is flat.

Fig. 3.9 – Battery status signal (left) and the battery charger (right)

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4. ASSEMBLY PROCEDURE

4.1 How to assemble the trolley

Follow the procedure below to assemble the trolley:

 Remove the trolley from its bag (Fig. 4.1).  Open the trolley from position (1) to the upright position (2),

gripping the handle (3) shown in Fig. 4.2.

Fig. 4.1 – Trolley folded in its carrier bag

 Assemble the central part of the trolley (4) by automatically

clicking the two cylindrical pins into their supports (see the detail of Fig. 4.2).

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PINS

DETECTOR DUO SYSTEM – User manual

SUPPORTS

Fig. 4.2 – Opening the trolley

 Unlock the two unblocking levers by rotating them outwards (2

and 3) and pull the handle (4) upwards (1), regulating it as required (Fig. 4.3).

Fig. 4.3 – Upper blocking mechanism

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BASE PLATE

DETECTOR DUO SYSTEM – User manual

4.2 Connecting the cables

4.2.1 Connecting the battery

IN PVC

Fig. 4.4 – Battery and cabling support

 Place the battery in its yellow bag (Fig. 4.4).  Place the bag on the PVC base plate and fix the bag to the

support with the strap provided (1).

 Connect the power supply cable to the BATTERY port on the

Control Unit (3) and to the white connector to link it to the battery(2).

4.2.2 Mounting the antenna and connecting its cables

Place the antenna under the trolley (Fig. 4.5), inserting the two ends (1 and 2) into their PVC supports (3 and 4).

 Insert the pins (5 and 6) and block them with the nuts provided.  Connect the cable linking the antenna port (7) to the ANT.1 port

on the Control Unit (Fig. 4.5 and Fig. 4.6).

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2 7

Fig. 4.5 – Fixing the antenna box

ANT.1

Fig. 4.6 –Antenna-radar connection

 Under the battery plate you can find the antenna-trolley locking

system (see Fig. 4.7); in order to lock the trolley to the antenna, the user has to move the locking system down to the top of the antenna; then push down the front of the antenna and at the same time fix the system to the central pin. After this, turn down the lever and close it.

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Locking

DETECTOR DUO SYSTEM – User manual

system

Fig. 4.7 – Trolley-antenna locking system

4.2.3 Mounting the PC notebook and the sunshade

 The upper base plate on the trolley(2) is used to fix the notebook

PC (1) with four Velcro strips (A, B, C, D), as shown in Fig.

4.8.

 Once the notebook is fixed on the plate, connect the inverted

network cable (see Fig. 3.4) by connecting the green connector to the PC network port (3) and the waterproof black connector to the radar port(4)

Lever

Fig. 4.8 – Fixing the notebook PC

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LATERAL

DETECTOR DUO SYSTEM – User manual

 A sunshade can be applied to the notebook (see Fig. 4.9). Fix

the lateral guides of the sunshade to the lateral sides of the notebook screen. Then close and tighten the belt behind the screen. The internal edges can be tightened as required.

GUIDES

Fig. 4.9 – Assembling the sunshade

 Another possibility is to work with the horizontal touch screen

(see Fig. 4.10). In this case, first take out the touch pen, then fix the lateral guides of the sunshade to the lateral sides of the

screen. Then close and tighten the belt under the laptop. Finally, tighten the inner edges of the sunshade.

Fig. 4.10 – Sunshade on horizontal screen

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4.2.4 Connecting the position sensor

Fig. 4.11 – Connecting the position sensor

 The system position sensor is situated inside one of the trolley

wheels and turns in unison with it (Fig. 4.11).

 The sensor measures all movements of the Detector Duo from

its starting point, which coincides with the system centerpoint (which is the center of the antenna).



The sensor cable has to be connected to the WHEEL port (1) on the Control Unit

4.2.5 Removing the trolley wheels

 If the wheels need to be removed for storage, press the black

button labelled PRESS (indicated by the arrow) to the side of the wheel and pull the wheel outwards.

 To reinsert the wheel onto the axis, it is sufficient to push it into

the support until the automatic block clicks into place (Fig.

4.12)

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NOTE

ber to disconnect all the cables before putting the

trolley back into its storage bag (position sensor cable,

DETECTOR DUO SYSTEM – User manual

Fig. 4.12 – Removing the trolley wheels

Remem

antenna-DAD cable, network and power supply cable).

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DETECTOR DUO SYSTEM – User manual

5. THE ACQUISITION SOFTWARE

5.1 The Notebook Computer

The

DETECTORDUO

Computer.

acquiring and saving radar data.

This SW is dedicated to the specific phases of setting up,

acquisition SW is installed on a

Notebook

IDS recommends to use one of two following laptops

5.1.1 Hammerhead rugged tablet PC

The Hammerhead rugged tablet PC (Fig. 5.1), has the following specifications:

Form Factor

•

Magnesium housing and shock absorbing rubber bumper system

with carry handle, elastic hand straps and shoulder strap.

•

Size: 10 5/8” X 8 ¼” x 1 9/16”.

•

Weight: 4.8lbs. with bumpers, battery and pen.

Processor / Core Logic

•

1.1 GHz Intel Pentium M Processor

•

1 MB cache

•

System Bus 400 MHz

•

Intel 855GME chipset

Memory / Storage

•

512 MB

•

40 GB hard drive

Display

(Pen Tablet PC Version)

•

10.4” XGA 1024x768 Reflective (bright sunlight readable) or

Transmissive (indoor)

•

Proximity sensing high resolution electromagnetic digitizer using passive pen

•

More than 1000 dpi resolution

•

Right and left mouse button emulation

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Fig. 5.1 – Hammerhead rugged tablet PC

Audio

•

AC97 2.1 sound standard

•

Integrated speaker

Expansion / Integration

•

Integrated Intel PRO/Wireless 802.11 a/b/g Wi-Fi

•

Bluetooth 1.2, Class 2-2.5mW

•

1 USB 2.0

•

1 RJ-45 10/100 Ethernet

•

PCMCIA Type III (Accomodates up to 2 Type II devices)

Software

•

Windows XP Professional (English Version)

Power Supply

•

Memory-free “smart” Li-Ion battery technology provides accurate power gauge and controlled charging for maximum battery efficiency

•

“Hot swappable” for uninterrupted use

•

Battery life depends upon configuration, application, temperature, usage pattern and power management; 4 hour typical battery life with 2 batteries installed

How to store batteries when they’re not in use

•

The following storage tips will help you optimize the capacity and performance of your batteries. If the battery will not be in use for a month or longer, it is recommended that it is removed from the computer for

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storage. Store batteries in a cool, dry place. Do not leave batteries in direct sunlight during the summer months or any other unusually hot location. Do not expose battery terminals to metal objects or moisture, which may shortcircuit your battery. For long-term storage, store batteries below 50% state of charge because the deterioration of battery capacity is slower at lower state of charge. However, do not store batteries in a fully discharged state.

Power Management

•

ACPI Advanced Configuration and Power Interface

Accessories (Optional)

•

Legacy compatible docking for desk, vehicle, wall

•

Port Replicators

•

Universal AC adapter: 110V-250V, 50-60 Hz

•

Cigarette lighter adapter

Environmental

(Temperature)

•

Operating: -15°C to 60°C

•

Boot temperature: 0°C without optional HDD heater and

-20°C with heater

•

Storage: -40°C to 70°C

(Shock)

•

4 ft. drop in case

(Vibration)

•

MIL-STD-810F, Method 514.5, Category 1

(Ingress Protection)

•

IEC 529, IP65 against rain and dust

(Humidity)

•

0 to 95% non-condensing humidity

Regulatory Approvals

(EMI/EMC)

•

EN 55022 CISPAR 22 info. Tech. Equipment, Class B Emissions

•

Immunity Measurements: IEC 61000-4-2; 1995

(Safety)

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•

Low Voltage Directive 73/23/EEC, EN 60950, CE

Warranty

•

1 year comprehensive warranty

5.1.2 Panasonic Toughbook rugged tablet PC

The Panasonic Toughbook CF-19 PC (Fig. 5.2), has the following characteristics:

• CPU

• Operating System

• RAM/Expandable to

• Hard Drive/Speed

: 1.6GHz Intel Core Duo.

: Windows XP Professional SP2.

: 512MB SDRAM (DDR2)/4GB

: 80GB shock-proof (mounted on a gel

support or equivalent).

• Optical Drive

• Display Resolution

• Graphics/Video Memory

: 2.4X DVD+R DL

: 10.4 inches/1024 x 768

: Intel 945GM video accelerator with

up to 128MB shared video memory

• Wireless Networking

: WLAN 802.11a/b/g, Bluetooth 2.0,

Optional WWAN (EVDO, HSDPA) and GPS

• Ports

: Two USB 2.0, Firewire, Ethernet, modem, headphone,

mic, docking connector

• Card Slots

• Weight

• Size

: 10.7 x 8.5 x 1.9 inches

: PC Card Type II, SD Card slot

: 5 pounds

• Warranty/Support

: Three-year limited warranty, parts and labor

lifetime toll-free 24/7.

• Battery Life (Wi-Fi On/Off)

• Environmental

: Water-proof (IP54)

: 5h / 6h about

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No communication software of the type Firewall, WiFi or

Antivirus protection may be installed on the computer;

flict with the

IDS takes no responsibility for any functional conflicts

that may occur between their own software and any other

software installed by the user onto the Notebook

Computer. IDS doesn’t guarantee that equipment

formance will be maintained using configurations

DETECTOR DUO SYSTEM – User manual

Fig. 5.2 – Panasonic Toughbook CF-19

NOTE

these types of SW enter into con DETECTOR DUO acquisition SW.

per different to those recommended.

5.2 Basic characteristics of the notebook PC

If you decide to use a different notebook PC to the one suggested by IDS, it must have the following characteristics:



Pentium processor > 1.5GHz or Centrino > 900 MHz.



Ethernet 100 Mbit/sec card.



monitor resolution (color) > 800x600.



Operative system: Windows 2000 Professional (Service Pack 4) or XP Professional.



HDD > 40 Gbyte, shock-proof (mounted on a gel support or equivalent).



CD drive and/or floppy.



Water-proof (>= IP54).

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DETECTOR DUO SYSTEM – User manual

5.3 Software installation and configuration

Launch the icon of DetectorDuo setup file (Fig. 5.3).

Fig. 5.3 – Detector Duo setup icon

Click “Next” button on the window appearing (Fig. 5.4).

Fig. 5.4 – Detector Duo Welcome window

Select Typical setup type and then press “Next” button on the window appearing (

Fig. 5.5

). Click “Install” button on the window appearing (Fig. 5.6). Click “Finish” button on the window appearing (Fig. 5.7).

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Fig. 5.5 – Setup type window

Fig. 5.6 – Pre-installation window

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Fig. 5.7 – Installation completed window

Automatically a shortcut of the

DetectorDuo.exe

will be created on to

desktop. The software will be installed automatically under

C:\DetectorDuo\

directory.

Before using the Detector software, you have to configure the notebook network card. To perform this operation in Windows 2000

Professional or Windows XP Professional, follow the steps below:



Select the



Select the



Select the

My Network Places Properties

button.

icon with the right mouse button;

Local Area Connection (LAN)

file with the right

mouse button.



Select the

Properties

command.

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NOTE

DETECTOR DUO SYSTEM – User manual

Fig. 5.8 – Selecting the Ethernet card (TCP/IP)



Select

Internet Protocol (TCP/IP) from the list of components

(in the general menu) with the left mouse button (see Fig. 5.8).



Select the



The window shown in Fig. 5.9 appears, in which you have to select



Write the following number in the IP address field: 192 . 168 .

Properties

command.

Use the following IP address.

200 . 199.



Write the following number in the

Subnet mask

field: 255 . 255 .

255 . 0.



Press OK to confirm the changes

Check that the

DetectorDuo

directory is copied into the

drive and is not write protecting, otherwise the

C:\

DetectorDuo

SW will not function correctly.

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icon on

and the following configuration as shown below in the

DETECTOR DUO SYSTEM – User manual

Fig. 5.9 – Changing the IP address

To guarantee the correct functioning of the DetectorDuo

SW, launch the

Regional and Language Options

the control panel then select

Numbers

field in

Regional Options

Customize

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DETECTOR DUO SYSTEM – User manual

5.4 The operational phases

5.4.1 Running the software

The DetectorDuo software permits data to be acquired, saved and viewed directly in the field. Once the notebook has been switched on,

the

DetectorDuo.exe

icon shown in Fig. 5.10.

Fig. 5.10 – Acquisition software icon

program has to be launched by clicking on the

Once the icon has been clicked, the software initializing window automatically opens (Fig. 5.11).

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Calibration can be repeated as often as required during a

DETECTOR DUO SYSTEM – User manual

5.4.2 Pre-acquisition commands



Pressing the button activates the calibration procedure of the processing parameters used on the acquired data.



To perform this calibration, push the trolley a few meters then press the button to save the parameters the software

automatically calculates (see Fig. 5.12).

survey, whenever the ground conditions change.

Fig. 5.11 – Initializing window

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ACTIVE

UPPER

DETECTOR DUO SYSTEM – User manual

GREY

BAR

Fig. 5.12 – Gain calibration underway



By pressing the button, you can avoid performing the gain calculations, but in this way you can only view pre-

existing radar maps.



The spy lights representing the radar (RADAR), battery (BATT), acquisition speed (SPEED) and acquired sweeps (SWEEP) indicate the current activity status of the system:

NOT ACTIVE



Pressing the color scale button allows you to select the desired

palette for viewing the radar maps:

, , , , ,

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, , ,

IDS Ingegneria Dei Sistemi S.p.A. N doc: MN/2009/028 - Rev. 1.1

Do you really want to quit the

DETECTOR DUO SYSTEM – User manual



You can zoom in on the maps up to a magnification of 4 by selecting one of these buttons

, , ,



Press the button to shut down the software, then confirm your choice in the following message window

program?

Press “Yes”; this is followed by the final message



Clicking twice on the upper grey bar of the first window (Fig.

5.12), opens the the following parameters can be set

Advanced settings

window (Fig. 5.13), where

Fig. 5.13 –Advanced settings window

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Wheel setting

here you can set the acquisition mode of the system,

which can be either

Wheel driven

field selected, in this mode, the radar

acquisition is set using the position sensor

b. If the wheel is not used, you can set the radar acquisition to

be performed under a constant time regime; the value inserted in the

Auto Stacking

field indicates the number of

sweeps averaged during the acquisition phase.

2. The

Ground type

field enables you to activate the

Rough terrain

option if it is necessary. When this option is activated, the radar data are temporarily saved on the selected

acquisition phase. You can even select an external

Device

during the

such as a flash memory to temporarily save the data during the acquisition phases. This option is recommended when the ground conditions are particularly rough, and when you may find that saving the data during the acquisition phase becomes critical due to the high number of vibrations in the system.

3. In the

Measure unit

field, you can choose the measurement units to

be applied to the radar map visualized in real time. The alternatives are

m/cm

4. In the vertical scale of the radar map by setting the value in m or

5. In the

and

foot/inch

Swap axis

field, you have the choice of modifying the

Gain application

nsec

field, you can choose to view the radar

map acquired in real time with or without gain applied

6. In the

Background removal field

you can set the Clear_x

application for the acquired radar maps.

Language

this permits you to change the language used on the software interface amongst those available (e.g. ITA = Italian, Eng = English).

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5.4.3 Commands used during acquisition

Data acquisition is started using the window shown in Fig. 5.14.

Fig. 5.14 –ACQUISITION SELEC TION window



Press the button to go back to the pre-acquisition phase.



Press the button to close the software.



To start a new acquisition, write a name in the text box then press the button next to it

This will open the window shown in Fig. 5.15.

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Once a name has been given to a new survey, a file is

automatically created with the selected name in the

directory. All data files

containing acquired data will be automatically stored in

DETECTOR DUO SYSTEM – User manual

Fig. 5.15 –NEW ACQUISITION window

C:\DetectorDuo\Mission\

this file.



Press the button to stop and save the acquisition. The window shown in Fig. 5.14 then reappears.



The icon below reminds you that you can write some notes on the scan in the text box underneath

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At this point you have two options:

perform radar scans without setting any reference coordinates simply to locally identify any buried utilities onsite;

perform geo-referenced scans to obtain an underground mapping of the site.

5.4.3.1 Acquisition for on-site detection

Press the button and start the acquisition by pushing the trolley. The window shown in Fig. 5.16 appears, displaying the icon

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Fig. 5.16 – Radar map during the acquisition phase



During the acquisition, the user can also change the contrast value in real time, through the function

editing the number in the side textbox, as shown in Fig. 5.16.



If you note the appearance of a hyperbola on the screen during acquisition (generated by a buried pipe or cable), go back, moving the trolley in the opposite direction to the acquisition

direction. This temporarily suspends acquisition and produces a vertical line on the data screen (see Fig. 5.17).

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The centerpoint (1) of the system is situated in the central

) and it represents the

starting point when reading radar maps (red line on the

RADAR

DETECTOR DUO SYSTEM – User manual

ANOMALY

Fig. 5.17 – Identifying a target



This vertical line permits you to position the trolley on the axis of the identified pipe or cable, you can then mark the position on the ground in correspondence to the center point of the antenna, as shown in Fig. 5.18.

Fig. 5.18 – The antenna center point

point of the antenna (see Fig. 5.18

ground

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HORIZONTAL

DETECTOR DUO SYSTEM – User manual



Use the and buttons to position the horizontal cursor on the peak of the chosen hyperbola (see Fig. 5.19).

CURSOR

Fig. 5.19 –UP/DOWN functions

In particular, during the acquisition phase, both the radar maps can be viewed (Fig. 5.20) when the DUAL 250-700 antenna is operated. In fact, initially, the software automatically displays the “

Shallow

” radar section (700MHz); to view both the sections together , click once with the left mouse button in the bottom right section named “Deep” to make the radar section for the 700MHz appear together with the 250MHz antenna. The two sections are separated by a yellow horizontal line.

Then by clicking twice with the left mouse button on the horizontal yellow line and dragging upwards or downwards, the two maps can be

viewed in more or less detail. In addition, if the “Shallow” and “Deep” labels in the top left of the sections hide a target, they can be moved to the bottom right of the radar maps simply by clicking twice with the left mouse button on the yellow “Shallow” or “Deep” labels.

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Fig. 5.20 –DUAL display during acquisition



The button permits the type of pipe and its position to be marked on the chosen point of the radar map. The window shown in Fig. 5.21 appears automatically. The icons represent some types of pipe (from the top left clockwise we have

Gas, Electric Cable , Telephone Cable , Water Pipe , Unknown Pipe, Sewage Pipe, Public Illumination cable, Traffic Light cable.

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The system can’t identify the types of pipe or cable. This

DETECTOR DUO SYSTEM – User manual

Fig. 5.21 – Icons for types of pipes and cables



By pressing the selected marker.

5.4.3.2 Acquisition for mapping

information can be found from other sources, such as opening manhole covers or consulting technical maps.

In this second case, select the button (Fig. 5.15) to set the starting point coordinate al fine; the window shown in

Fig. 5.23 automatically opens. You then have the chance to choose the following acquisition

parameters:

•

The acquisition direction as either

Transversal.

Longitudinal (L)

the zero reference line (T axis), while a scan perpendicular to this line is called a

(See figure Fig. 5.22).

button, you can remove a previously

Longitudinal or

When filling in this field, remember that

means the scans is performed parallel to

Transversal scan (T

)

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L -Axis

Transverse Scan

REFERENCE GRID

Longitudinal Scan

Origin

0 - 0

-L2

-L3

T1 T2

Fig. 5.22 – Diagram of the T-L cartesian reference system

• Coordinate (m)

: This field allows you to insert the

values of the set T or L co-ordinate. Remember to indicate if a coordinate is negative. Check the current T or L coordinate on the site and insert it into the relative field Remember that, despite the actual dimensions of the antenna box, it is represented in the Cartesian reference system by a single point that corresponds to its centerpoint. When moving the antenna box, make sure the centerpoint is on the scan line, at the defined coordinate.

o Coord. value

: insert the value of the coordinate

to be maintained constant during the scan in this field.

o Coord. Step

: this field contains the step value that is added automatically to the current value when a scan is finished, leaving the system ready to start the next scan. The preset value = 2 m between scans. For example, if a longitudinal scan has been chosen and it starts from a point with coordinates

T, L

= 0 ;+2 m, the following

values must be set:

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The Antenna Box may only be moved in one direction. It may

DETECTOR DUO SYSTEM – User manual

•

Longitudinal;

•

2 in the Coord value field;

•

2 in the Coord. Step field.

Once the scan is finished, the coordinate of the L value is automatically positioned on the value 4.

BE CAREFUL

only be pulled or pushed in the direction of increasing scanning coordinates.

• Scan Offset (m)

: each radar scan is characterised by an

initial L and/or T co-ordinate Therefore, once you have inserted the starting point co-ordinate for the investigation

(“

coord. value

other reference co-ordinate must be defined in the “

Offset (m)

”) as a function of the type of scan, the

Scan

” field. The following option must then be

selected:

• On L/T coordinate

” selection

Here, you have to manually measure the value of the co-ordinate corresponding to the centerpoint of the antenna box with respect to the reference system selected previously, and insert it into the

active field. For example, if you have to perform a transversal

scan starting from the co-ordinate T=2 and L=2, you must set the type of scan to Transversal and then set the actual value of the T co-ordinate (e.g. 2 m) in the “ “

L coordinate

Coordinate (m)

” in the “ setting it to 2 in this case. The scan can now be performed.

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” field. Next, activate the

Scan Offset (m)

” area,

IDS Ingegneria Dei Sistemi S.p.A. N doc: MN/2009/028 - Rev. 1.1

VIRTUAL

DETECTOR DUO SYSTEM – User manual

KEYBOARD

Fig. 5.23 –Acquisition parameters window



There are three boxes in a grey bar above the acquired radar maps (Fig. 5.16) (see below) these show the following information:

Left box:

The name of the scan to be performed “Next” (in the example LZZx0003);

The “Coordinate value” (in this example 2.00m);

The “Scan Offset” (0m in this example)

Central box :

The name of the preceding scan, “Prev” (in this example LZZx0002);

The “Coordinate value” (in this example 1.00m);

The “Scan Offset” (in this example 0m);

Right box:

The distance travelled by this system, “Dist” (in this example, 13.47m).

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5.4.4 Depth calibration



Pressing the button produces a box where you can write the exact depth of the pipe or cable if it known from

another source (for example from technical maps or from opening manhole covers)



Otherwise, the following window will be opened if the

button is pressed

from where the correct propagation speed can be selected by adapting the curve to the hyperbolas using the and

buttons.

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cases, you have to select one of the icons shown in

to confirm the depth of the identified pipe. This

can be repeated several times during the

acquisition: a symbol will appear at calibration points

describing the type of the characteristics of the detected

DETECTOR DUO SYSTEM – User manual

In both Fig. 5.21 operation

pipe



Press the button to finish the scan while remaining in the open survey.



Press the button to save the scan file onto the computer hard disk (in the C:\DetectorDuo\Mission directory); you can continue the same scan by moving the trolley in the same direction.



Press the button to finish the scan and go back to the main menu shown in Fig. 5.14 to choose a new survey..

5.4.5 Post-acquisition commands

The following commands can be activated from the

SELECTION

1. ;

window (see Fig. 5.14):

ACQUISITION

2. ;

3. ;

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

Any of the surveys saved on the computer can be deleted by pressing the button; select the survey name

and press the delete button, the software requests you to confirm your choice (Fig. 5.24).

Fig. 5.24 – Deleting a survey



By pressing the button, the last survey can be reloaded to continue performing further scans in it (Fig.

5.25)

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Fig. 5.25 – How to rename a survey



By pressing the

button, the last survey can be

reloaded so as to continue performing further scans in it.



Press the button to review all the scans contained in the selected survey. The first radar map of the selected survey

will appear, onto which further markers can be added if required as described previously. In addition, all previously identified hyperbolas will be marked with a circle and a vertical line (Fig.

5.26).

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Further hyperbolas can be selected or previously inserted

information can be reloaded using the mouse or the

e lower tool bar. It is sufficient to click in

CIRCLE

VERTICAL

DETECTOR DUO SYSTEM – User manual

LINE

Fig. 5.26 – Insertion of a Marker during the review phase

buttons on th correspondence to the vertical line shown in Fig. 5.26.



You can then press:

•

The button to move the review line about 2.5cm to the right;

•

The button to move the review line about 50cm to the right;

•

The button to move the review line about 2.5cm to the left;

•

The button to move the review line about 50cm to the left.

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

the lower tool bar can also be used to select and reload:

•

previous scans by selecting the button,

•

subsequent scans by pressing the button.



finally, the radar maps, together with all the additional information included on them can be oriented by pressing the

button and selecting the desired printer (Fig.

5.27).

Fig. 5.27 – Print function



press the button to close the editing application, the window shown in Fig. 5.24 will reappear.

An example of a radar map printout is shown in Fig. 5.28.

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Fig. 5.28 – Final printout of a radar map



press the button to close the program.

The window shown in Fig. 5.29 reminds you to disconnect the power supply cable from the Control Unit to avoid wasting battery charge.

Fig. 5.29 – Closing the program

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5.5 Error messages

Error messages found in the program are listed below (in italics) followed by their solutions:

 Network error. Retry or check hardware!

Check that the network cable is connected properly to the PC and the Detector Control Unit. Try restarting the program.

 New depth must be > 0. Please insert new value to continue.  New depth must be > 0. Unable to set the depth  New depth missing. Please insert value to continue.

Select a new value for the depth of the identified pipe.

 Warning. Unable to print on the selected printer

Check that the printer is switched on and connected to the computer.

 Unable to review: calibration file has been lost.

The calibration files for the selected survey have been deleted. To be able to see the data, the Igr.bkg and Igr.stc files have to be copied from the main program directory (C:\DetectorDuo\) into the survey directory.

 Unable to review: mark file has been lost

A system file has been deleted, making it impossible to review the selected acquisition.

 Unable to mark: marker already present at this distance!

You have tried to insert a pipe in a point already containing one; select a new point.

 Gain calibration has been skipped (or lost). Calibrate gain to

proceed.

 Unavailable: gain calibration has been skipped (or lost).  Unavailable: gain calibration has changed.

A calibration has to be performed to be able to acquire data. See Paragraph 5.3.2. for calibration instructions

 Unavailable: directory has been lost.

The last acquisition cannot be recovered , select a new acquisition

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PIPE

YES

INSPECTION

GAIN

SCAN: PUSH

SELECT

SWITCH ON

OPEN

ASSEMBLE

END

ESTIMATE

CHANGE

YES

REVIEW

USE

DETECTOR DUO SYSTEM – User manual

6. WORK PROCEDURE FLOWCHART

TECHNICAL

MAPS

MANHOLES

ACQUIRED MAPS

DETECTOR

(SHALOW/DEEP)

DETECTOR

CALIBRATION

SURVEY

TROLLEY

SCANNING

GROUND

TYPE

PROPAGATION

SPEED

BACK

CABLE

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DETECTOR

Pipe

Interface

twt

x x

DETECTOR DUO SYSTEM – User manual

7. HOW TO USE THE DETECTOR

The main targets when performing utilities investigations with the DetectorDuo consist of either extended structures (such as an interface between layers, pipes parallel to the investigation direction etc.) or quite small structures (such as pipes perpendicular to the investigation direction, cavities and rocks etc.).

Fig. 7.1 shows how a flat interface gives rise to a flat trace while a small structure such as a pipe produces a hyperbolic trace. This is because the echoes form the flat plane at different values of x take the same time to reach the DetectorDuo. For the pipe, however, the echoes

from its sides take a longer time to reach the DetectorDuo than the echoes from its top surface.

DUO

Fig. 7.1 – Trace of a pipe perpendicular to the direction of investigation and a flat interface

The aperture of a hyperbola depends on various factors:

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interface

Top

DETECTOR DUO SYSTEM – User manual

As the propagation speed in the medium increases ( between the flight time of the outwards and return signal relative to echoes originating from lateral points and the

), the ratio

twt

relating to the top surface of the target decreases. Therefore the hyperbola widens with higher propagation speed,

With increasing depth of the target, the ration between the relating to the echoes from the side points and the

twt

relating to

twt

the top surface of the target decreases. Again, the hyperbola widens with increasing target depth.

For equal propagation speed, depth and type of target, the hyperbola will be wider for geometrically larger targets (for

examples for wider diameter pipes).

When interpreting the maps, it is therefore a good idea to remember that the width of a hyperbola does not just depend on the geometrical size and shape of the target. Fig. 7.2 shows two maps featuring echoes of an irregular interface between two layers with different dielectric properties (asphalt) and six pipes situated perpendicularly to the direction of investigation.

surface

of the

pipes

Fig. 7.2 – Maps showing traces of an interface and pipes perpendicular to the direction of

investigation

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Pipe

PIPE

DETECTOR DUO SYSTEM – User manual

As can be seen in Fig. 7.2, the echo of a target doesn’t simple consist of a single dark band, it consists of alternate dark and light bands. These derive from the signal minimums and maximums reflected back from the target (in fact, the black and white bands represented in the figure correspond to maximum and minimum signal amplitude respectively). A hyperbolic echo can be used to convert the ordinate of the map from time (nanoseconds = ns) to depth (meters= m). To do this, the hyperbola traced in ns ordinates is compared with a family of hyperbolas traced with ordinates in meters, obtained from that in ns ordinates with various values of

. The best

approximation to the

real value is that with the most similar aperture to that of the one traced in time ordinate. Once

has been identified, the depth of the

target corresponding to the hyperbolic section can be found. There are no definitive criteria for interpreting diagrams and often you have to depend on experience. In any case, it is best to collect the largest possible amount of information for an area under investigation, and use it to help choose the most appropriate equipment and investigation parameters. To conclude, we have an example below of a real situation featuring two pipes side by side (Fig. 7.3). This example is significant in that it shows the diagrams of the same structure (the pipe) placed

perpendicularly then parallel to the direction of investigation.

Fig. 7.3 – Example of map interpretation

topography

Scan 1

Scan 2

Scan 3

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8. ON LINE ASSISTANCE

8.1 Remote assistance using Webex Support Center

Webex Support Center is a service that allows the activation of a two host session, making an application, or the desktop available to the other user or letting you capture another remote desktop.

It can be used to perform web conferences and presentations. It is easy to use thanks to its simple and intuitive interface. Since there are no firewalls or other types of network configurations, it

is a fast and secure means of reaching any client host in any part of the world. In fact, the client only has to accept to download a small plug

used to permit the service authentication and functioning.

8.1.1 How to use the Webex service

You will receive an email from IDS Customer Care containing a link to the support session (see Fig. 8.1).

Fig. 8.1 – Mail sent by IDS to the client

Once you have clicked on the link sent by email, the following window will appear. Insert your data into the form (see Fig. 8.2).

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Fig. 8.2 – Client data insertion form

Once you have clicked

Submit,

the following page will appear

showing a downloading bar. The session starts as soon as the download is complete. (see Fig. 8.3).

Fig. 8.3 – Webex Set up window

As you can see from the following screen (Fig. 8.4) you are given a console, just containing the commands.

Chat, Video

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and

Leave Session

IDS Ingegneria Dei Sistemi S.p.A. N doc: MN/2009/028 - Rev. 1.1 DETECTOR DUO SYSTEM – User manual

Fig. 8.4 – Welcome to Webex Support Center window

At this point, IDS Customer Care can perform a range of operations on your desktop:

•

Request control of the desktop using the Request Control command.

•

Give you control of the IDS desktop using the Share Control command.

•

Request to display the remote desktop using Request View.

•

Share the visualisation of the IDS desktop using Share View.

Before each command is activated, you are asked for confirmation through the following window (Fig. 8.5).

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Fig. 8.5 – Command acceptance window

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APPENDIX A - THE PRELIMINARY INVESTIGATION

The first fundamental phase for any field survey consists in the preliminary investigation: its scope is to acquire all the necessary information for the logistics of the operation, taking into account the objectives to be performed.

In the specific case of a georadar investigation for underground utilities searching, the first thing to consider is the accessibility of the site, in terms of taking into account the space available for the passage of the antenna trolley and considering any architectural obstacles that could cause an obstacle to the data acquisition phase. Often, in fact,

the investigation is performed in streets, squares and on pavements with a relatively high level of urban traffic, and above all, in the presence of randomly parked cars.

The main points to be considered during this phase are described below:



Specific permissions must be obtained (access to pedestrian zones, permission to interrupt the traffic flow, etc.);



Any difficulties in accessing the site must be considered;



The space available;



The presence of parked cars;



The level of traffic;.

It is the task of the user to take these points into consideration when programming the work.

APPENDIX B - THE TECHNICAL MAPS

Technical maps of the existing utilities are produced by the various utilities companies.

These give general indications in a schematic way about the type and position of the utilities that are managed and/or have been constructed by them.

These maps can be requested by faxing or writing to the cartographic or planning office of the companies, specifying clearly the streets and

areas of interest.

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The most important types of utilities (which may be managed by different agencies) to be considered are:



Public Street Lighting



Low, Medium and High Voltage Electricity Cables



Water supply



Gas



Telephone Cables



Sewers

Even though they may be very generic, these maps represent an important support during the extraction and data interpretation phases,

since they give the user a first idea, if not an exhaustive one, of the utilities that are present.

For this reason, it is important that the user activates the procedures for obtaining these maps well in advance to make sure that they will be available during the data extraction phase.

APPENDIX C - OPENING MANHOLES

This phase is normally performed once the acquisition phase has been completed, and consists in opening the manholes present in the investigated site.

The data regarding the depth, diameter, and direction of the utility should be saved on the work sheet: this will provide you with further

reference data during the interpretation phase, and will allow propagation velocity estimates to be performed in order to calculate the depth of the identified utility as precisely as possible.

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Specifications and Main Features

Frequently Asked Questions

User Manual