IDS GeoRadar s r l DETDUO-FW Ground Penetrating Radar User Manual MN 2009 028 1 1 DETECTOR DUO ENG Mario

IDS Ingegneria dei Sistemi SpA Ground Penetrating Radar MN 2009 028 1 1 DETECTOR DUO ENG Mario

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DETECTOR_DUO user manual

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- PRO/010/M1 Rev 4 -

INGEGNERIA DEI SISTEMI S.p.A.

Rev. 1.1

N°doc: MN/2009/028

Config.: DETECTOR DUO-PRCS-OUT-MN

DETECTOR DUO

USER MANUAL

DETECTOR

DUO

SYSTEM –

User manual

Pisa, 12/02/2010

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

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

DETECTOR DUO SYSTEM – User manual

DISCLAIMER

IDS WILL NOT BE HELD RESPONSIBLE FOR THE

CONSEQUENCES OF AN

IMPROPER USE OF THE EQUIPMENT AND/OR THE SOFTWARE.

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, THE

Y MUST NOT BE

INTENDED AS A SUBSTITUTE FOR INTELLIGENT ANALYSIS; RATHER, T

HEY

HAVE TO BE INTENDED AS AN ADVISOR AND TH

E USER MUST NOT

COMPLETELY RELY ON THE RESULTS PROVIDED BY THEM TO GIVE T

COMPLETE ANSWER.

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,

RELIABILITY, OR TIME

LESS 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

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

DETECTOR DUO SYSTEM – User manual

CONFORMITY TO EUROPEAN REGULATIONS

The equip

ment conforms to the following requirements set by EC

regulations, including subsequent modifications, and to the legislation set

by the member states that implement these regulations:

1999/05/EEC Radio Directive

Warning: this equipment is destined for us

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

countermeasures.

The ap

paratus is sensitive to the presence of external electromagnetic fields,

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

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

µW/cm

(0.01 W/m

) which are far below the levels specifie

d by the

current regulations.

Thus, this product pose no health and safety risk when

operated in the

normal manner of intended use.

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

DETECTOR DUO SYSTEM – User manual

WARNING

CLEANING INFORMATION

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,

to avoid any damage to

the electrical components of the

equipment. Wait until the equipment is totally dry before

reconnecting the cables.

The Detector Duo should be cleaned periodically using a damp

cloth.

Do not use solvents or abrasive detergents.

Do not apply liquid directl

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

cloth.

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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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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DETECTOR DUO SYSTEM – User manual

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

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

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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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

Microsoft Corporation



DETECTOR DUO

IDS Ingegneria dei Sistemi

S.p.A.

1.3 Acronyms and Definitions

1.3.1 Acronyms

DETECTOR DUO: double antenna digital pipe detection system.

1.3.2 Definitions

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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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

7 6

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DETECTOR DUO SYSTEM – User manual

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

 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

3 2 1 5

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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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DETECTOR DUO SYSTEM – User manual

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

12V +/- 10%

ENVIRONMENT FEATURES

IP65

PANEL CONNECTORS

LAN, BATTERY, ANT.1,

WHEEL

ABSORBED POWER

8W (1 antenna)

OPERATING TEMPERATURE

-10 / +40 °C

Tab. 3.1 – Control Unit characteristics

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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):

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

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. 3.8 – Lead Battery

To connect

to the power

supply cable

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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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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

SUPPORTS

PINS

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4.2 Connecting the cables

4.2.1 Connecting the battery

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).

BASE PLATE

IN PVC

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Fig. 4.5 – Fixing the antenna box

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.

2 7

ANT.1

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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)

Fig. 4.8 – Fixing the notebook PC

Lever

Locking

system

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 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.

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

LATERAL

GUIDES

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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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Fig. 4.12 – Removing the trolley wheels

NOTE

Remem

ber to disconnect all the cables before putting the

trolley back into its storage bag (position sensor cable,

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

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5. THE ACQUISITION SOFTWARE

5.1 The Notebook Computer

The

DETECTORDUO

acquisition SW is installed on a

Notebook

Computer.

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

acquiring and saving radar data.

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 short-

circuit 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

: 1.6GHz Intel Core Duo.

• Operating System

: Windows XP Professional SP2.

• RAM/Expandable to

: 512MB SDRAM (DDR2)/4GB

• Hard Drive/Speed

: 80GB shock-proof (mounted on a gel

support or equivalent).

• Optical Drive

: 2.4X DVD+R DL

• Display Resolution

: 10.4 inches/1024 x 768

• Graphics/Video Memory

: 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

: PC Card Type II, SD Card slot

• Weight

: 5 pounds

• Size

: 10.7 x 8.5 x 1.9 inches

• Warranty/Support

: Three-year limited warranty, parts and labor

lifetime toll-free 24/7.

• Battery Life (Wi-Fi

On/Off)

: 5h / 6h about

• Environmental

: Water-proof (IP54)

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Fig. 5.2 – Panasonic Toughbook CF-19

NOTE

No communication software of the type Firewall, WiFi or

Antivirus protection may be installed on the computer;

these types of SW enter into con

flict with the

DETECTOR DUO acquisition SW.

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

per

formance will be maintained using configurations

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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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

My Network Places

icon with the right mouse button;



Select the

Properties

button



Select the

Local Area Connection (LAN)

file with the right

mouse button.



Select the

Properties

command.

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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

Properties

command



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

select

Use the following IP address.



Write the following number in the

address field: 192 . 168 .

200 . 199.



Write the following number in the

Subnet mask

field: 255 . 255 .

255 . 0.



Press

to confirm the changes

NOT E

Check that the

DetectorDuo

directory is copied into the

C:\

drive and is not write protecting, otherwise the

DetectorDuo

SW will not function correctly.

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Fig. 5.9 – Changing the IP address

NOTA

To guarantee the correct functioning of the DetectorDuo

SW, launch the

Regional and Language Options

icon on

the control panel then select

Regional Options

Customize

and the following configuration as shown below in the

Numbers

field in

Regional Options

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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

program has to be launched by clicking on the

icon shown in Fig. 5.10.

Fig. 5.10 – Acquisition software icon

Once the icon has been clicked, the software initializing window

automatically opens (Fig. 5.11).

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Fig. 5.11 – Initializing window

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).

NOTE

Calibration can be repeated as often as required during a

survey, whenever the ground conditions change.

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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:



Pressing the color scale button allows you to select the desired

palette for viewing the radar maps:

, , ,

, , , , ,

ACTIVE

NOT ACTIVE

UPPER

GREY

BAR

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

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

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

Advanced settings

window (Fig. 5.13), where

the following parameters can be set

Fig. 5.13 –Advanced settings window

Do you really want to quit the

program?

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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

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.

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

Device

during the

acquisition phase. You can even select an external

Device

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.

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

and

foot/inch

In the

Swap axis

field, you have the choice of modifying the

vertical scale of the radar map by setting the value in

nsec

In the

Gain application

field, you can choose to view the radar

map acquired in real time with or without gain applied

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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Fig. 5.15 –NEW ACQUISITION window

NOTE

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

automatically created with the selected name in the

C:\DetectorDuo\Mission\

directory. All data files

containing acquired data will be automatically stored in

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 on-

site;

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 tim e, 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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Fig. 5.17 – Identifying a target



This vertical line permits you to pos ition 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

NOTE

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

point of the antenna (see Fig. 5.18

) and it represents the

starting point when reading radar maps (red line on the

ground

RADAR

ANOMALY

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

Use the and buttons to position the horizontal cursor

on the peak of the chosen hyperbola (see Fig. 5.19).

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.

HORIZONTAL

CURSOR

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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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Fig. 5.21 – Icons for types of pipes and cables



By pressing the

button, you can remove a previously

selected marker.

NOTE

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

information can be found from other sources, such as

opening manhole covers or consulting technical maps.

5.4.3.2 Acquisition for mapping

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

Longitudinal

Transversal.

When filling in this field, remember that

Longitudinal

(

)

means the scans is performed parallel to

the zero reference line (T axis), while a scan

perpendicular to this line is called a

Transversal scan

(

)

(See figure Fig. 5.22).

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Longitudinal

Scan

-L2

-L3

Transverse

Scan

REFERENCE

GRID

Origin

0 - 0

T axis

L -Axis

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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•

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.

B E CA REFUL

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

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

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

other reference co-ordinate must be defined in the “

Scan

Offset (m)

” 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 “

Coordinate (m)

” field. Next, activate the

“

L coordinate

” in the “

Scan Offset (m)

” area,

setting it to 2 in this case. The scan can now be

performed.

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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).

VIRTUAL

KEYBOARD

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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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NOTE

In both

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

Fig. 5.21

to confirm the depth of the identified pipe. This

operation

can be repeated several times during the

acquisition: a symbol will appear at calibration points

describing the type of the characteristics of the detected

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

ACQUISITION

SELECTION

window (see Fig. 5.14):

1. ;

2. ;

3. ;

4. .

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

NOTE

Further hyperbolas can be selected or previously inserted

information can be reloaded using the mouse or the

buttons on th

e lower tool bar. It is sufficient to click in

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.

CIRCLE

VERTICAL

LINE

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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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6. WORK PROCEDURE FLOWCHART

PIPE

CABLE

YES

INSPECTION

GAIN

CALIBRATION

SCAN: PUSH

TROLLEY

SELECT

SURVEY

SWITCH ON

DETECTOR

DUO

OPEN

MANHOLES

ASSEMBLE

DETECTOR

DUO

END

SCANNING

ESTIMATE

PROPAGATION

SPEED

BACK

CHANGE

GROUND

TYPE

YES

REVIEW

ACQUIRED MAPS

(SHALOW/DEEP)

USE

TECHNICAL

MAPS

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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

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.

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:

DETECTOR

DUO

DETECTOR

DUO

DETECTOR

DUO

DETECTOR

DUO

Pipe

Interface

twt

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As the propagation speed in the medium increases (

), the ratio

between the flight time of the outwards and return signal

twt

relative to echoes originating from lateral points and the

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

twt

relating to the echoes from the side points and the

twt

relating to

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.

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

investigation

interface

Top

surface

of the

pipes

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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

Scan 3

Pipe

topography

PIPE

Scan 1

Scan 2

PIPE

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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

Chat

Video

and

Leave Session

commands.

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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.

IDS GeoRadar s r l DETDUO-FW Ground Penetrating Radar User Manual MN 2009 028 1 1 DETECTOR DUO ENG Mario

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