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RTR-4 Portable Digital X-Ray Imaging SystemOperator’s Manual120300 Rev. D15 February 2003

RTR-4 Operator’s Manualii SAIC Proprietary 120300 Rev. DSAIC16701 W. Bernardo Dr.San Diego, CA 92127-1903U.S.A.Copyright © 2001-2003 SAICAll rights reserved. Printed in the United States of America.All data and information contained in or disclosed by this document are confidential and proprietary information of SAIC and its affiliates and all rights herein are expressly reserved. By accepting this material, the recipient agrees that this material and the information contained herein are held in confidence and in trust and will not be used, copied, or reproduced in whole or in part, nor its contents revealed in any manner to others without the express written permission of SAIC. The recipient also agrees not to allow the use of this document by others without the express written consent of SAIC. This technology is controlled by the U.S. Government. Diversion contrary to U.S. law is prohibited. SAIC reserves the right to change or revise this information without notice. Reasonable effort has been made to ensure that the information in this manual is accurate; however, SAIC assumes no responsibility for inaccuracies or omissions of any kind. SAIC makes no warranty for the use of its product.SAIC is a registered trademark of Science Applications International Corporation.RTR-4™ is a trademark of SAICRTR-4 Portable Digital X-Ray Imaging System Operator’s Manual120300 Rev. D

RTR-4 Operator’s Manual 120300 Rev. D SAIC Proprietary iiiFCC Declaration of ConformityWe SAIC16701 W. Bernardo Dr.San Diego, CA 92127-1903 U.S.A.declare under our sole responsibility that the productRTR-4 Portable Digital X-Ray Imaging Systemcomplies with Part 15 of FCC Rules. Operation is subject to the following of two conditions: • This device may not cause harmful interference.• This device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. Changes or modifications not expressly approved by Science Applications International Corporation could void the user’s authority to operate the equipment.

RTR-4 Operator’s Manualiv SAIC Proprietary 120300 Rev. DDeclaration Of CE ConformityWe SAIC16701 W. Bernardo Dr.San Diego, CA 92127-1903 U.S.A.declare under our sole responsibility that the productRTR-4 Portable Digital X-Ray Imaging System to which this declaration relates is in conformance with the applicable provisions of the following directives: • 73/23;EEC governing product safety.• 89/336/EEC governing electromagnetic compatibility.• 99/5/EC governing radio and telecommunication terminal equipment.Using the following standards:• EN61010-1• EN 61326:1997 +A1:1998 +A2:2001• EN300 220-3:2000• EN 301 489-3:200115 February 2003San Diego, CA Richard AmitonDirector of Engineering

RTR-4 Operator’s Manual 120300 Rev. D SAIC Proprietary vRevision HistoryVERSION COPY FREEZE DATE NOTES— 15 June 1999 Initial release.A 16 April 1999 Minor revision.B 28 February 2001 Wireless Option removed from Operator’s Guide and transformed into a separate supplemental document.Battery Charger chapter and CU-4 Modem chapter deleted.C 20 October 2001 Minor text changes.D 15 February 2003 Incorporate information for Wireless operation and optional equipment; document new database software. Word count is 19,926.

RTR-4 Operator’s Manualvi SAIC Proprietary 120300 Rev. DTable of ContentsIntroduction................................................................................................... 1-1About this Manual..................................................................................................... 1-1Purpose and Scope .................................................................................................... 1-1Document Revisions ................................................................................................. 1-1RTR-4 Technical Support......................................................................................... 1-1Component Returns ............................................................................................ 1-2Acronyms and Abbreviations ................................................................................... 1-2Safety Summary ........................................................................................... 2-1Introduction............................................................................................................... 2-1Follow all warnings and instructions.................................................................. 2-1Qualified and Trained personnel only ................................................................ 2-1Symbols .............................................................................................................. 2-1Safety Procedures...................................................................................................... 2-2General Safety Procedures.................................................................................. 2-3Safe Operating Environment ............................................................................... 2-4Outdoor Use........................................................................................................ 2-4System Description, Setup, and Quick Start ......................................... 3-1Introduction................................................................................................................ 3-1Hardware Description ............................................................................................... 3-1RTR-4 System Standard Wired Configuration Components.............................. 3-1Portable Notebook Controller............................................................................. 3-2Integrated Imager................................................................................................ 3-3XR200 X-Ray Source......................................................................................... 3-8Interconnecting Cables ....................................................................................... 3-8Transport Case.................................................................................................... 3-9RTR-4 Standard Wireless Configuration.......................................................... 3-10Setting up the RTR-4 .............................................................................................. 3-12Distance Adjustments ....................................................................................... 3-12Position Adjustments........................................................................................ 3-12Standard Wired Configuration.......................................................................... 3-13Setting Up the Wired Configuration................................................................. 3-13Standard Wireless Configuration...................................................................... 3-15Setting Up the Wireless Configuration............................................................. 3-15Quick Start .............................................................................................................. 3-18System Initialization......................................................................................... 3-18Acquiring an X-Ray Image............................................................................... 3-18System Operation ........................................................................................ 4-1Introduction................................................................................................................ 4-1Operating the RTR-4................................................................................................. 4-1Acquiring an X-Ray Image................................................................................. 4-1Using the Sum Command................................................................................... 4-3Using the Add Images Feature ........................................................................... 4-4Using the Subtract Images Command ................................................................ 4-7Image Processing ...................................................................................................... 4-9

RTR-4 Operator’s Manual 120300 Rev. D SAIC Proprietary viiRetrieving an Image............................................................................................ 4-9Showing Image Information............................................................................. 4-10Using Multiple Image Display.......................................................................... 4-10Using the Grid Overlay..................................................................................... 4-11Measuring Distance in an Image ...................................................................... 4-12Adding Lines and Text ..................................................................................... 4-13Using Contrast Stretch...................................................................................... 4-14Using Automatic Stretch................................................................................... 4-16Using the Color Palettes ................................................................................... 4-16Using Saturation Suppression........................................................................... 4-17Sharpening an Image ........................................................................................ 4-18Smoothing an Image......................................................................................... 4-19Reducing Image Noise...................................................................................... 4-20Using Edge Detection....................................................................................... 4-21Embossing an Image......................................................................................... 4-22Using Histogram Equalization.......................................................................... 4-23Image Preservation.................................................................................................. 4-23QuickSaving an Image...................................................................................... 4-24Saving an Image ............................................................................................... 4-25Print an Image................................................................................................... 4-25Software Description .............................................................................................. 4-26RTR-4 Functions .............................................................................................. 4-26The Acquire Menu............................................................................................. 4-27The File Menu ................................................................................................... 4-31The Display Menu ............................................................................................ 4-32The Modify Menu............................................................................................. 4-35The Preferences Menu ...................................................................................... 4-39The Window Menu........................................................................................... 4-43The Help Menu................................................................................................. 4-44The Icon Toolbar ............................................................................................... 4-45The Database Function ..................................................................................... 4-48Shutting Down and Stowing the RTR-4 ................................................................. 4-56Shutdown and Stow the RTR-4 (Wired or Wireless Configurations) .............. 4-56Operator Maintenance............................................................................................. 4-57RTR-4 Care and Cleaning ................................................................................ 4-57Disk Space ........................................................................................................ 4-58Charging Batteries ............................................................................................ 4-58Imager Battery Replacement ............................................................................ 4-59Optional External X-Ray Receiver Battery Replacement ................................. 4-60Wireless Signal Strength Test Utility ............................................................... 4-61 Ancillary Equipment................................................................................... 5-1Introduction............................................................................................................... 5-1Previous Model Wireless Option.............................................................................. 5-1Previous Model Controllers ...................................................................................... 5-4Introduction......................................................................................................... 5-4Standard CU-4 Components............................................................................... 5-4

RTR-4 Operator’s Manualviii SAIC Proprietary 120300 Rev. DPower Supply Options ........................................................................................ 5-7Notebook Controller with Battery Box............................................................... 5-8Previous Model Imagers ......................................................................................... 5-10Introduction....................................................................................................... 5-10Standard-View Imager...................................................................................... 5-10Alternate X-Ray Sources ........................................................................................ 5-12Introduction........................................................................................................ 5-12Miscellaneous Accessories ..................................................................................... 5-13Introduction....................................................................................................... 5-13Wireless Option Backpack ............................................................................... 5-13Notebook PC Configuration Accessories ......................................................... 5-14Index .................................................................................................................I-1List of FiguresFigure 4-1 Main Menu Screen.............................................................................. 4-27Figure 4-2 Attach Associated Data Window........................................................ 4-52

120300 Rev. D SAIC Proprietary 1-1 1 IntroductionAbout this ManualThis manual provides information on the setup and use of the various options and configurations of the Real Time Radioscopy (RTR-4) Imaging System and is comprised of the following chapters:Chapter 1 - IntroductionChapter 2 - Safety SummaryChapter 3 - System Description, Setup, and Quick StartChapter 4 - System OperationChapter 5 - Ancillary EquipmentPurpose and ScopeThis manual describes the RTR-4 hardware and software and provides instructions on its use, including setup of the equipment, acquisition and processing of X-ray images, and some troubleshooting. The information in this document is to be used only by technicians and operators who have been trained to use the RTR-4 system.Document RevisionsThis manual is revised periodically, based on the amount and substance of equipment changes and resulting changes to the manual. When changes to this manual are required, a new manual incorporating the changes is released.RTR-4 Technical SupportTechnical support is available using the following methods:• By phone: 800-962-1632 (in the US) or 858-826-9831 (outside of the US) from 0730 to 1630 PDT.• By fax: 858-826-9009.• By e-mail: SecurityProducts@saic.com. More information may be found on our website at http://www.saic.com.

Introduction RTR-4 Operator’s Manual1-2 SAIC Proprietary 120300 Rev. D Component ReturnsContact us at the above numbers or e-mail to receive a Return Material Authorization (RMA) number. Return damaged, failed, or defective systems or components to the address below. When shipping components, include a description of the problem and the RMA number. SAICAttn: RTR-4 Manufacturing Mgr.16701 W. Bernardo Dr.San Diego, CA 92127-1903 USAThe Golden Engineering X-ray sources may be handled separately for customer convenience. Follow the instructions in the Golden operator’s manual for repair of the Golden Engineering XR200 X-ray source or visit their website at http://www.goldenengineering.com.Acronyms and AbbreviationsThe acronyms and abbreviations listed in the table below are used throughout this manual.TERM DEFINITIONALARA As Low As Reasonably AchievableCU-4 Control Unit 4 (original controller)ESD Electrostatic DischargeGUI Graphical User InterfaceHERO Hazards of Electromagnetic Radiation to OrdnanceLED Light Emitting DiodeMB Megabyte (one million bytes)NCU Notebook Control UnitNIC Network Interface CardPC Personal ComputerPCMCIA Personal Computer Memory Card International AssociationPIC Pocket Ionization Chamber

RTR-4 Operator’s Manual Introduction 120300 Rev. D SAIC Proprietary 1-3 RF Radio FrequencyRMA Return Material AuthorizationROI Region Of InterestRTR Real Time RadiographySNR Signal-to-Noise Ratio.tif Tagged Image Format (a filename extension)TLD Thermoluminescent DosimetersVac Volts alternating currentVdc Volts direct currentWiFi Wireless Fidelity, a wireless ethernet communications standard.TERM DEFINITION

Introduction RTR-4 Operator’s Manual1-4 SAIC Proprietary 120300 Rev. D

120300 Rev. D SAIC Proprietary 2-1 2 Safety SummaryIntroductionThis chapter lists and describes the safety issues applicable to the standard configurations of the RTR-4. The summaries listed here apply at all times and shall be strictly followed by all operators, technicians, and observers.Follow all warnings and instructionsThe equipment and the procedures in this manual have warning and caution labels and their relevant hazard type symbols. Observe all warnings, cautions, and instructions marked on the equipment and included in this manual and in all supporting manufacturer documentation at all times.Qualified and Trained personnel onlyThe RTR-4 should only be operated by technically qualified and trained personnel. It is the responsibility of the RTR-4 user to ensure only trained personnel are permitted to configure, operate, and maintain RTR-4 equipment. It is the responsibility of the user to verify that all regulations have been met before operating this equipment.SymbolsIn procedural steps, specific warnings and cautions are placed immediately prior to the step(s) to which they apply. Specific warnings and cautions have three parts: • The specific hazard is stated. • The correct action to be followed or performed is given. • The consequences if the correct action is not followed are stated.The following warning symbols and the caution symbol are used in this manual when warnings and cautions are placed into procedural steps.

Safety Summary RTR-4 Operator’s Manual2-2 SAIC Proprietary 120300 Rev. D Safety ProceduresThe X-ray source used with the RTR-4 system generates x-rays that can be harmful to personnel. It is the responsibility of the operator to ensure that the RTR-4 is properly used by trained personnel who follow recommended operating procedures and SYMBOL DEFINITION OF USEThe generic Warning symbol precedes a procedural step or process which could lead to personnel injury if not followed correctly. This symbol is used when multiple hazard conditions may be present or one of the symbols below does not specifically apply.The Electrical, High Voltage, or High Current hazard warning symbol is used where the potential for electrical shock may exist while performing a specific task.The X-Ray Radiation hazard warning symbol is used whenever emitted x-ray radiation may exceed background levels during a specific procedure or process.The Microwave Radiation hazard warning symbol is used whenever emitted microwave/rf radiation is present during a specific procedure or process.The generic Caution symbol precedes a procedural step or process which could lead to equipment damage if not followed correctly.The ESD caution symbol precedes a procedural step or process requiring use of standard approved ESD damage control procedures to avoid harming electronic components and circuit card assemblies.The Note symbol indicates where additional or clarifying information, commentary, sidelights, or points of interest have been added to a procedure either before or after the step to which it applies.

RTR-4 Operator’s Manual Safety Summary 120300 Rev. D SAIC Proprietary 2-3 applicable regulations, and the X-ray Source supplier guidelines, such as the Golden Engineering XR200 X-Ray Source Operator’s Manual.General Safety ProceduresThe following are general safety precautions for using X-ray generating devices:• As Low As Reasonably Achievable (ALARA) principles of radiation exposure are applicable whenever the RTR-4 system is being used. Personnel exposure to X-rays shall be kept to the absolute minimum possible.• Users shall establish appropriate exclusion zones to limit access to the radiation field. This information can be found in the Users’s Manual for the applicable X-ray source or on the manufacturer’s webpage. When two or more exclusion zones apply, such as using the RTR-4 in the presence (or suspected presence) of explosives, the larger exclusion zone perimeter shall apply.• Operating personnel shall review and follow applicable regulations.• In order to meet the FCC RF safety regulations when using the wireless configuration, personnel shall maintain a distance of at least 20cm (8in) from the WiFi antennas when the system is operational.• Personnel in the vicinity when the RTR-4 system is being operated may be required to wear an approved X-ray radiation monitoring device in accordance with local regulations or administrative procedures.• Personnel shall remain at a safe distance from the X-ray source, and always remain outside the direct beam during image acquisition if possible.• Personnel shall remain at a distance of at least 20cm (7.9in) from the antennas whenever the RTR-4 wireless option is being used. • When using the optional Notebook Safety Lock, the controller key shall be turned to the OFF position when not acquiring images. The X-ray source cannot fire when its controller key is in the OFF position. • The power key for the X-ray source should be turned to the OFF position when the system is not acquiring images. The X-ray Source cannot fire when its key is in the OFF position.

Safety Summary RTR-4 Operator’s Manual2-4 SAIC Proprietary 120300 Rev. D • The system operator shall remove the controller key and X-ray Source keys when not operating the system, to ensure that the system is not accidentally or improperly operated.• All reasonable efforts shall be made to reduce doses to ALARA levels.Safe Operating EnvironmentThe following environmental conditions affect the safe operating conditions of the RTR-4:• Maximum external voltage fluctuation of ± 10%.• Maximum altitude 2000m (6562ft).• Operating temperature range 5°C (41°F) to 40°C (104°F).• Maximum relative humidity of 80%.Outdoor UseAll parts of the RTR-4 system are intended for the outdoor use except for the external ac power adapters. If external power adapters must be used outdoors, ensure they are protected from adverse weather conditions such as rain or moisture. Failure to use adequate precautions may result in equipment damage or personnel hazard.

120300 Rev. D SAIC Proprietary 3-13 System Description, Setup, and Quick StartIntroductionThis chapter describes the standard configuration of the RTR-4 system and contains the following sections:• Hardware Description.• Setting up the RTR-4•Quick StartThe basic system design of the RTR-4 consists of an imager unit, a controller unit, an X-ray source unit, and the interconnecting cables or optional wireless components. This chapter covers the standard wired configuration and the standard wireless configuration only. Alternate components are covered in later chapters.Hardware DescriptionRTR-4 System Standard Wired Configuration ComponentsThe standard wired RTR-4 configuration includes the following components:• Portable Notebook Controller.• Notebook ac power adapter.• 30cm (1ft) Notebook to cable reel adapter.• 50m (164ft) cable reel.• Integrated Imager.• Imager ac power adapter and spare battery.• Imager battery external battery charger.• RTR-4 Operating Software• Golden Engineering XR200 X-Ray Source with operator’s manual.• 3m (10ft) imager to source cable.• Source battery charger and spare battery.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-2 SAIC Proprietary 120300 Rev. D• RTR-4 Portable Digital X-Ray Imaging Set Operator’s Manual, SAIC document 120300 (this document).• Transport case.Portable Notebook ControllerThe standard configuration of the RTR-4 system uses a standard commercial notebook Personal Computer (PC). Functioning as the controller, the notebook PC contains specific SAIC software that provides for operator interface with the RTR-4 system and displays images as they are captured. A special adapter cable is provided to connect the PC modem RJ45 connector to the RTR-4 system cable reel when the system is setup in the wired configuration. A WiFi Network Interface Card (NIC) is provided for connecting in the wireless configuration. The notebook PC has the following current features:• A Pentium- series processor.• A 12.1 in (30.7cm) or larger active matrix color flat panel display.•Custom SAIC software.• A 30 GB or greater internal hard drive.• A 1.44 MB floppy disk drive.• DVD/CD-RW drive.• Two CardBus slots.• 56 kbaud internal modem.• Internal rechargeable Lithium Ion battery with an external 100-240Vac power adapter and battery charger.• Current Dimensions: 36.6cm x 25.9cm x 2.55cm (14.1in W x 10.2in D x 1.46in H).NOTEBOOK PC AC POWER ADAPTER RJ45 CABLE ADAPTER WiFi NIC

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-3 • Weight: 2.9 kg (6.39lbs).Storage MediumImages are stored on disk in an industry-standard format, and may be manipulated and annotated with third-party software. The following list shows the RTR-4 Notebook options for storage, and their capacities. Some differences between notebook manufacturers will occur. RJ45 Cable AdapterThis adapter is provided to connect the modem connection on the controller PC to the 50m cable reel when the RTR-4 is setup in the wired configuration.Controller AC Power Adapter This adapter connects the notebook PC to ac power and provides 19Vdc to the PC for operation or internal battery charging.Integrated ImagerThe Integrated Imager uses a compact solid-state camera with a 20cm x 27cm (8.0in x 10.7in) field-of-view. An electro-optical system records images formed on the imager's X-ray conversion screen and transmits the images to the controller PC for display. Imager features include:• Dimensions: 30cm x 34cm x 18cm (11.75in W x 13.25in H x 7.0in D).• Weight: 4.5kg (10.0lbs).• DR35S NiMH 10.8Vdc battery and an optimal ac power adapter.STORAGE MEDIUM MAXIMUM CAPACITYInternal hard disk drive.Over 80,000 images, depending on size of disk drive.1.44 MB floppy disk. Four images per disk.Optional CardBus disk drive.System-defined; up to thousands of images.Optional USB flash disk.Up to thousands of images.CD-ROM Up to thousands of images.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-4 SAIC Proprietary 120300 Rev. D• The imager may use other external power sources between 12Vdc and 24Vdc such as vehicle power. Image Target AreaThe active image area is indicated on the face of the imager. This is the area that will be displayed on the controller PC.Orientation IndicatorA triangle in one corner of the image target area is shown as a ball in a circle on the controller PC image and indicates the lower edge of the image. This ball is free floating and will always indicate the downward edge of the image as the imager is positioned on its sides or other orientations. Rubber feet and standard threaded tripod mounting holes are provided on three sides to permit placement of the imager in different orientations. RTR010 TARGET AREA ORIENTATION INDICATOR IMAGE ORIENTATION INDICATOR

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-5 Power-on Delay TimerThe imager is equipped with a rotary switch that allows setting a 0 to 3 minute delay between turning on the imager power switch and the application of power to the imager. The switch positions provide 20 second interval settings up to the 3 minute limit. Use of this switch permits operating personnel to leave the immediate area before electromagnetic energy is applied near a suspect package.Integrated Imager External Power AdapterThis adapter provides 18Vdc power to the imager when connected. If a battery is present, the adapter will charge the battery. The Power On LED will indicate when the adapter is connected and the Battery Charge LED will indicate battery charge status.Integrated Imager External Battery Charger.This unit provide for charging the DR35S NiMH 10.8Vdc battery while it is outside of the imager. It is connected to the local utility power and the battery to be charged is inserted. The charger is equipped with LEDs that indicate as follows: LED INDICATIONRedIDLE, unit plugged in, no battery inserted.flashes once.Green flashes briefly, long dark pause.RedCHARGE, battery inserted.off.Green on steady, normal charging of smart battery.RedMAINTENANCEoff.Green steady flashing, battery is fully charged.RedWAKEUP-CHARGE heavily discharged smart battery or not a smart battery.flashes on-off in equal amounts.Green flashes on-off in equal amounts.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-6 SAIC Proprietary 120300 Rev. DImager Control PanelOperation and interconnection of the imager with the rest of the RTR-4 system in the wired configuration is accomplished through a control panel at the side of the imager. RedTEMPERATURE FAILURE, battery is too hot or too cold for safe charging. The battery should be brought to operating temperature.On steady.Green Off.RedFAILURE, battery is physically damaged, do not use, discard battery.On.Green On.Red FAILURE DURING INITIATIONIf the red LED light up when the charger is plugged in, the charger is not ready for use. Contact your nearest dealer. LED INDICATIONPOWER SWITCH POWER ON LED BATTERY CHARGE LED DATA CONNECTORX-RAY CONNECTOR POWER ON DELAY TIMER EXT. PWR CONNECTOR BATTERY TRIGGER

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-7 The functions located on the Imager control panel are as follows: CONTROL OR INDICATOR FUNCTIONPower On-Off Switch Turns on the imager power for both internal battery and external power operation. Power On LED • Green and on steady when powered by battery.• Amber and on steady when powered by an external source.• Flashing green when power-up delay is selected, with last five seconds before power on rapid flashing green.• Flashing Amber when battery power is low.Battery Charger LED • Amber and flashing when testing battery.• Amber and on steady during battery charging.• Green and on steady when battery charging is complete. Data Connector Receptacle for the Extension Data Cable Spool. Color coded green to match the cable connector. X-Ray Trigger ConnectorReceptacle for the X-Ray Trigger Cable. Color coded yellow to match cable connector. External Power ConnectorReceptacle for an external 12Vdc to 24Vdc power source. Battery CompartmentReceptacle for the NiMH 10.8Vdc battery. Insert battery with the “This side up” label towards the external power connector.Power On Delay TimerProvides for setting power-on delays from 0 to 3 minutes in 20 second intervals.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-8 SAIC Proprietary 120300 Rev. DXR200 X-Ray SourceThe RTR-4 system uses the Golden Engineering XR200 X-ray source. This is a pulsed 150kV unit with a 40° beam angle. This unit produces extremely short bursts of X-rays capable of penetrating several centimeters of most materials. The source is equipped with a keyed power switch to prevent the uncontrolled emission of X-rays. The source is battery powered using a rechargeable battery. The manufacturer states that 4000 pulses may be obtained with a fully charged battery. However, this will vary with temperature, battery age, and source condition. Standard features include:• Tube life: 100,000 pulses.• X-ray Source Power Key and spare.• 14.4Vdc removable, rechargeable nickel-cadmium (NiCd) battery pack and spare.• Battery charger.• Dimensions: 11.5cm x 19cm x 32cm (4.5in W x 7.5in H x 12.5in D). The front half is a canister with a diameter of 4.0cm (1.6in).• Weight: 5.5kg (12.0lbs) including battery.Additional information is available in the provided Golden Engineering Operator’s Manual. Interconnecting CablesThe RTR-4 system when setup in the wired configuration requires the following cables:• 30cm (1ft) adapter cable that allows connection between the controller communications port and the 50m (164ft) signal cable.

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-9 • 50m (164ft) cable on a reel, passes communications and image data signals between the controller and the imager.• 3m (10ft) X-ray source control cable connects the X-ray source to the imager.Transport CaseThe RTR-4 is protected during transport and storage by a rugged impact-resistant plastic transport case with fitted foam inserts. Key features are:• A single watertight, crushproof, foam-lined case.• Dimensions: 67.3cm x 27.9cm x 44.4cm (26.5in W x 11.0in H x 17.5in D)• Weight: 11.8kg (26.0lb) XR200 SOURCE SOURCE KEYIMAGER NOTEBOOK CONTROLLER SPARE IMAGER BATTERY (UNDER SOURCE) IMAGER ANTENNASCABLE REEL ACBATTERYCHARGER SPAREXR200SOURCE KEYCABLESOURCE BATTERY ADAPTER ADAPTERS AND SOURCE SOURCE SOURCE CABLE

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-10 SAIC Proprietary 120300 Rev. DRTR-4 Standard Wireless ConfigurationWireless OptionThe RTR-4 Wireless Option is an alternative to connecting the controller, X-Ray imager, and XR200 X-ray source with cables. Wireless operation simplifies system setup and use by eliminating the signal cables and provides greater controller to target distances. The Wireless systems adhere to the frequencies and protocols of the WiFi, IEEE-802.11b standard.Radio-frequency energy between the imager and the controller combined with the radio-frequency energy to the X-ray receiver is at a very low intensity. When the Integrated Imager is more than 50cm (1.5ft) away from a target device, the RTR-4 Wireless operation complies with the Hazards of Electromagnetic Radiation to Ordnance (HERO) specifications. This consideration is only relevant if the RTR-4 is being used with potentially explosive devices.The data transmission frequency of the Imager radio module and the controller is between 2.4000 and 2.4835GHz, and is spread-spectrum and frequency-hopping, according to the IEEE-802.11b-1999 standard, and is further encrypted to minimize snooping or spoofing. The frequency used when transmitting to the X-ray source receiver is about 418MHz for US usage and about 433MHz for European usage, which is very low power. The frequency is coded with a sequencing 64-bit security code to minimize the possibility of unintended source firing. The wireless option adds the following components to the RTR-4 standard configuration: • WiFi NIC.• Imager transceiver.SOURCE CONNECTOR ANT 1 ANT 2 SOURCE RECEIVER SOURCE WiFi NIC IMAGER TRANSCEIVER ANT OPTION

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-11 • 2.4GHz screw-on transceiver antenna (ANT 1) for the imager transceiver provides signals for communication with the controller.• 418MHz or 433MHz screw-on transmitter antenna (ANT 2) for the imager transceiver provides signals to the X-ray Receiver.• Optional source transceiver with short antenna and connector cable for alternate X-Ray sources. WiFi NICThe Wifi NIC is a PC interface transceiver card that fits into the notebook Personal Computer Memory Card International Association (PCMCIA) slot. This card transmits and receives data to the Imager Transceiver radio module attached to the RTR-4 Imager. Imager Transceiver Radio ModuleThe Image Transceiver radio module is affixed to the RTR-4 Imager with quarter turn clamps.This module transmits and receives data to the controller PC and transmits a trigger signal to the X-Ray receiver unit. A 3m (10ft) cable is available to permit placement of the Imager Transceiver radio module remotely from the imager to remove radio frequency energy from the immediate area of the suspect package. This cable connects from the radio module connector to the Imager at the receptacle located to the left of the radio module bulkhead connector.Internal Source ReceiverA receiver within the X-ray source receives the trigger signal from the Imager radio module to fire the X-ray pulses. A label on the XR200 source indicates that the source is equipped with an internal receiver. All other sources use the externally mounted source receiver. Optional Source Receiver (Externally Mounted)An optional source receiver is affixed to the X-ray source by a velcro strip and connected to the source by a short cable. The externally mounted source receiver is not used on the current model XR200 source equipped with the internal receiver. All other sources require the external receiver to be used in the wireless configuration. The X-ray receiver unit receives a signal from the Image Transceiver radio module and fires the X-ray source. It has three components, the body, antenna, and connecting cable. Cables are available that can accommodate any of the four X-ray sources manufactured by Golden Engineering. The externally mounted X-ray receiver unit is powered by a standard 9-volt alkaline battery and has a power switch with an indicating LED.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-12 SAIC Proprietary 120300 Rev. DSetting up the RTR-4There are two setup configurations for the standard RTR-4, the wired configuration and the wireless configuration. There are some positioning related issues that apply to all setups that the operator must be aware of during the setup process. Distance AdjustmentsThe distance between the source and the imager determines the target X-ray illumination. Although a distance of approximately 50-100cm (20in-40in) between the X-ray source and imager is recommended to provide a flat field image without sacrificing penetrating power. This separation distance can be decreased to penetrate thicker or denser materials, or increased to provide a flatter field for very thin objects. Regardless of the distance between the X-ray source and imager, it is usually better to place the suspect object as close to the center of the imager as possible to make the edges of objects sharper. The further the suspect object is away from the imager and the closer to the source, the larger its projected image, and the larger its features appear in the acquired image. This can be used to magnify small features, but will result in fuzzier edges. Objects that are closer to the imager more closely reflect their true dimensions. Position AdjustmentsThe imager’s active area, denoted by the white rectangular outline on the flat side of the imager (the face), should be positioned as close as possible to the target object. The X-ray source should be positioned approximately 50cm-100cm (20in-40in) from the imager with its beam centered on and perpendicular to the imager face. The imager is oriented so that it is located as close to the ground as possible. The X-ray source is set on the ground or in a slightly elevated position so the source’s beam is centered on the imager’s face. If needed, the imager can be used in an inverted position, such as suspended from a rope or wire, placed on a tripod, or on its side for imaging tall, narrow objects. An Image Orientation Indicator in the marked corner of the image shows the orientation of the object when the image was acquired. Regardless of the orientation, the image appears on the controller screen as though the imager was positioned with the handle on top. The image can be rotated to the actual orientation using the RTR-4 software.

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-13 Standard Wired ConfigurationIn the wired configuration of the RTR-4 Imaging System, cabling is used to interconnect the various components. The basic wired configuration is shown here. Setting Up the Wired ConfigurationDescriptionUse this procedure to setup the standard RTR-4 Imaging System in the wired configuration. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 components have been removed from their transport cases.• All needed batteries have sufficient charge or have been recharged or replaced with new ones.• A cleared, level workplace is available for setup and an appropriate exclusion zone has been established.Procedure RTR0001Setup the wired configuration of the RTR-4 system as follows:X-RAYSOURCEIMAGERSUSPECTPACKAGECABLEREELCONTROLLERX-RAY SOURCE CABLECOMMUNICATIONS CABLEADAPTERCABLESTEP ACTION1Place the imager screen as close to the object to be imaged as possible.2Place the X-ray source approximately 1m in front of the imager, perpendicular to and level with the imager screen.3Connect the yellow connector of the 3m (10ft) X-ray Source cable to the imager and connect the other end to the X-ray source.

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-14 SAIC Proprietary 120300 Rev. D4Place the controller notebook in the selected area as far from the imaging area as is appropriate to adhere to exclusion zone requirements and other safety regulations. CAUTIONWhen unreeling the cable, be sure to grasp the cable rather than the connector and unreel the cable rather than let the Imager pull the cable off the reel. This will extend cable life and reduce the likelihood of moving the suspect object. Failure to comply may damage equipment.5Connect the green connector of the 50m (164ft) communications cable to the appropriate connection on the Imager then unreel and extend the cable to the controller setup location. Use optional extension cabling if needed and available.6Connect the 30cm (1ft) adapter cable between the controller and the 50m (164ft) cable reel.7If 110/220Vac power is to be used for imager power, connect the supplied external power adapter directly to a 110/220Vac outlet and connect the adapter output to the external power connector on the Imager control panel. 8If a power-on time delay is desired, use a small screwdriver to set the desired delay at the time delay rotary switch in the Imager battery compartment.9Turn on the Imager power switch.10 Using the key, turn on the X-ray source. Verify that the X-ray source’s Exposure Selector (display at the back of the X-ray source handle) is set to 99 pulses. Do not change this setting during operation of the RTR-4.11 If 110/220Vac power is to be used for the controller, connect the supplied external power adapter directly to a 110/220Vac outlet and connect the adapter output to the controller. 12 Turn on the controller.STEP ACTION

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-15 Standard Wireless ConfigurationIn the Wireless configuration of the RTR-4 Imaging System, radio components are used to interconnect the various components. The basic wireless configuration is shown here. Setting Up the Wireless ConfigurationDescriptionVerify the following prerequisites are completed before doing this procedure:Use this procedure to setup the standard RTR-4 Imaging System in the wireless configuration. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 components have been removed from their transport cases.• All needed batteries have sufficient charge or have been recharged or replaced with new ones.• A cleared, level workplace is available for setup and applicable exclusion zone has been established.WARNINGWhen the RTR-4 has been set up and is standing by for imaging, ensure all personnel follow applicable X-ray radiation safety distance recommendations for field operation. Failure to comply may result in personnel injury.STEP ACTIONIMAGER WITHRADIO MODULESUSPECTPACKAGERADIORECEIVER CONTROLLERWiFiNICX-RAYSOURCE WITH

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-16 SAIC Proprietary 120300 Rev. DProcedure RTR0002Set up the wireless configuration of the RTR-4 system as follows: STEP ACTION1If not already mounted to the Imager, place the Imager radio module in the imager mounting bracket ensuring that the bulkhead connector is aligned and secure the module with the quarter-turn clamps.2If the Imager radio module is to be used remotely from the Imager, do the following:• Connect the 3m (10ft) cable to the female connector on the rear of the Imager.• Place the Imager radio module in desired location.• Connect other end of the 3m (10ft) cable to the Imager radio module.CAUTIONAntenna connectors are not keyed. Ensure antennas are mated to the proper connector and correctly aligned before tightening. Do not force antennas onto connectors. Failure to comply may damage equipment.3Attach ANT 1 and ANT 2 to their respective connectors on the imager radio module.4Place the imager screen as close to the object to be imaged as possible.5Place the X-ray source approximately 1m in front of the imager, perpendicular to and level with the imager screen.NOTEIf it is desired to reduce the radio energy in the vicinity of the object being X-Rayed, the X-Ray Source Cable can be connected between the imager and the source. This overrides the Imager radio module control of the source by permitting the source to be fired by signals sent through the cable. 6Place the controller notebook in the selected area as far from the imaging area as is appropriate to adhere to exclusion zone requirements and other safety regulations.

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-17 7Insert the WiFi NIC into the PCMCIA slot on the controller notebook.8If 110/220Vac power is to be used for the imager, connect the supplied Imager external power adapter directly to a 110/220Vac outlet and connect the adapter output to the external power connector on the Imager control panel. 9If a power-on time delay is desired, use a small screwdriver to set the desired delay at the time delay rotary switch on the Imager control panel.10 Turn on the Imager power switch.11 Using the key, turn on the X-ray source. Verify that the X-ray source’s Exposure Selector (display at the back of the X-ray source handle) is set to 99 pulses. Do not change this setting during operation of the RTR-4.12 If 110/220Vac power is to be used for the controller, connect the supplied controller external power adapter directly to a 110/220Vac outlet and connect the adapter output to the controller. 13 Turn on the controller.WARNINGWhen the RTR-4 has been set up and is standing by for imaging, ensure all personnel follow applicable X-Ray radiation and RF safety distance recommendations for field operation. Failure to comply may result in personnel injury.STEP ACTION

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-18 SAIC Proprietary 120300 Rev. DQuick StartSystem InitializationDescriptionUse this procedure to prepare the RTR-4 for X-raying an object. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The appropriate setup procedure has been completed.• The source and imager are correctly positioned by the object to be X-rayed and the source, imager, and controller have been turned on.Procedure RTR0003Initialize the RTR-4 as follows: Acquiring an X-Ray ImageDescriptionFollow this procedure to X-ray an object.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 is fully configured in accordance with the applicable setup procedure.• The Source and Imager units are correctly positioned around the item to be X-rayed and the source Safety Keyswitch has been turned 90° clockwise.• The RTR-4 imaging software has been properly initiated and is running. STEP ACTION1At the controller screen, select either Wired or Wireless mode. 2 The controller will then load Windows. The splash screen will appear followed by the main menu screen.3To use the software database function, verify that Enable Database is checked on the Preferences menu.

RTR-4 Operator’s Manual System Description, Setup, and Quick Start 120300 Rev. D SAIC Proprietary 3-19 Procedure RTR0004X-Ray an object as follows: STEP ACTIONWARNINGExcessive exposure to X-ray radiation is harmful. Verify the exclusion zone is clear of all personnel. Failure to comply may result in personnel injury.1Press the F1 key or click the Acquire button on the toolbar. The Acquire dialog box appears. 2Enter the number of pulses desired and the desired time delay. 3Press the Enter key or click on the Fire X-Ray button. The source fires and an image appears on the screen.NOTEThe X-ray source fires and an image is produced. Examine image to determine if the image shall be saved or discarded. Press F2 to QuickSave or F4 to Save As or if the image is too dark, discard it and take another image, either with a higher pulse settings or use the Sum feature. If the image is too light, discard it and take another image with a lower pulse setting. Proceed to the appropriate procedure in the operations chapter. RTR0004aRTR23RTR0004b

System Description, Setup, and Quick Start RTR-4 Operator’s Manual3-20 SAIC Proprietary 120300 Rev. D

120300 Rev. D March 3, 2003 12:01 pm 4-14 System OperationIntroductionThis chapter describes how to operate the Standard RTR-4 system in both wired and wireless modes and contains the following sections:• Operating the RTR-4.• Image Processing.• Image Preservation.• Software Description.• Shutting Down and Stowing the RTR-4.• Operator Maintenance.Operating the RTR-4Acquiring an X-Ray ImageDescriptionFollow this procedure to X-Ray an object.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 is configured in accordance with the applicable setup procedure in the previous chapter.• The Source and Imager units are correctly positioned around the item to be X-Rayed and the source Safety Keyswitch has been turned 90° clockwise.• The RTR-4 imaging software has been properly configured and is initiated and running.

System Operation RTR-4 Operator’s Manual4-2 SAIC Proprietary 120300 Rev. DProcedure RTR0004X-Ray an object as follows: STEP ACTIONWARNINGExcessive exposure to X-Ray radiation is harmful. Verify the exclusion zone is clear of all personnel. Failure to comply may result in personnel injury.1‘Press the F1 key or click the Acquire button on the toolbar. The Acquire dialog box appears. 2Enter the number of pulses desired and the desired time delay. 3Press the Enter key or click on the Fire X-Ray button. The source fires and an image appears on the screen in the Original buffer.NOTEThe X-Ray source fires and an image is produced. Examine image to determine if the image shall be saved or discarded. Press F2 to QuickSave or F4 to Save As or if the image is too dark, discard it and take another image, either with a higher pulse settings or use the Sum feature. If the image is too light, discard it and take another image with a lower pulse setting. Proceed to the appropriate procedure. RTR0004aRTR0004b

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-3 Using the Sum CommandDescriptionIf an image appears too dark after using 99 pulses to acquire it, you can use the Sum command to accumulate more that 99 pulses per image. The Sum command allows the operator to acquire an initial image then acquire subsequent images that are automatically added (summed) to the initial image. Follow this procedure to obtain an X-Ray using the Sum command. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 is configured in accordance with the applicable setup procedure in the previous chapter.• The source and imager units are correctly positioned by the object to be X-rayed and the source Safety Keyswitch has been turned 90° clockwise.• The RTR-4 imaging software has been properly configured and is initiated and running. Procedure RTR0005Obtain a summed X-Ray image as follows: STEP ACTION1Close all images currently open.2Select Sum from the Acquire menu. The Fire and Sum X-Ray Image dialog box appears. 3Enter the number of pulses desired up to 99 and enter the desired time delay up to 300 seconds.RTR0005a

System Operation RTR-4 Operator’s Manual4-4 SAIC Proprietary 120300 Rev. DUsing the Add Images FeatureDescriptionThe Add Images feature allows the operator to accumulate more than 99 pulses per image by adding the pixels from a second image. The images can either be newly acquired or retrieved from the image file folder. Follow this procedure to obtain an X-Ray using the Add Images feature. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 is configured in accordance with the applicable setup procedures in the previous chapter.• The Safety Keyswitch has been turned 90° clockwise.WARNINGExcessive exposure to X-Ray radiation is harmful. Verify the exclusion zone is clear of all personnel. Failure to comply may result in personnel injury.4Click the Fire and Sum X-Ray button. After the source fires, an image appears on the screen along with the Fire and Sum X-Ray dialog box. 5If the image is satisfactory, click the Close button in the dialog box and proceed to step 8. If the image is unsatisfactory, continue to next step.CAUTIONIf the source is set to fire more than 99 pulses, wait five minutes before firing the source again. This permits the source to cool down properly. Failure to comply may damage the source. 6Enter the number of pulses desired up to 99 and enter the desired time delay up to 300 seconds. 7Click the Fire and Sum X-Ray button. The newly acquired image is added to the previous image. Repeat steps 5 through 7 until a satisfactory image is obtained. 8When a satisfactory image is obtained, save the image using QuickSave or Save As. STEP ACTION

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-5 • The RTR-4 imaging software has been properly configured and is initiated and running. Procedure RTR0006Obtain a Added image as follows: STEP ACTION1Close all images currently open.2Click on the Preferences pull-down menu.3Verify the Multiple Originals command is disabled (unchecked.) WARNINGExcessive exposure to X-Ray radiation is harmful. Verify the exclusion zone is clear of all personnel. Failure to comply may result in personnel injury.4Acquire the first image and save it.CAUTIONIf the source is set to fire more than 99 pulses, wait five minutes before firing the source again. This permits the source to cool properly and allow the battery to recover. Failure to comply may damage the source unit. RTR0006a

System Operation RTR-4 Operator’s Manual4-6 SAIC Proprietary 120300 Rev. D5Acquire the second image and save it. Do not close the image.6Press the F7 key to display the Modified buffer. Modified appears in the status bar at the bottom of the screen. 7Open the first image from step 4. It appears in the Modified buffer.8Press the F7 key to display the Original buffer. Original appears in the status bar.9Select Add Images from the Modify menu. The images are added together and the result appears in the Modified buffer.10 To make the image more visible, click the Auto Contrast button on the toolbar. 11 Save the new image by pressing F4 or clicking the Save As button on the toolbar. The Save As dialog box appears. 12 Use the browse feature to ensure the correct folder appears in the Save in field. 13 Type the desired filename into the File name field.14 Press the Enter key or click on the Save button. STEP ACTIONRTR0006bRTR0006cRTR006dRTR25ENTER FOLDER ENTER FILENAMENAME

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-7 Using the Subtract Images CommandDescriptionThe Subtract Images command contrasts two identical-looking images to see if there are any differences between them. Follow this procedure to use the Subtract Images command. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 is configured in accordance with the applicable setup procedures in the previous chapter.• The Safety Keyswitch has been turned 90° clockwise.• The RTR-4 imaging software has been properly configured and is initiated and running.Procedure RTR0007Use the Subtract Images command as follow: 15 If equipped, turn the Controller Safety Keyswitch 90° counterclockwise to disable the source. STEP ACTIONSTEP ACTION1Close all images currently open. 2Verify the Default palette is selected. 3Press the F5 key or click the Contrast Stretch button on the toolbar. The Contrast Stretch dialog box appears. RTR0007aRTR0007b

System Operation RTR-4 Operator’s Manual4-8 SAIC Proprietary 120300 Rev. D4Click the Default button then click on the OK button. 5Acquire an image of a unknown object and save it.6Acquire an image of the known object and save it. Do not close the image. 7Press the F7 key to display the Modified buffer. Modified appears in the status bar.8Open the unknown image file. The image appears in the Modified buffer.9Press the F7 key to display the Original Buffer. Original appears in the status bar. 10 Select Subtract Images for the Modify menu. The resulting subtracted image appears in the Modified buffer. 11 To make the image more visible, click the Auto Contrast button on the toolbar. 12 Save the new image by pressing the F4 key or clicking the Save As button on the toolbar. The Save As dialog box appears. 13 Enter a descriptive filename and click the Save button.STEP ACTIONRTR0007cRTR0006bRTR0006c

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-9 Image ProcessingThe following procedures provide the RTR-4 operator with various options to manipulate images after they have been acquired. The purpose of these manipulations is to improve the visualization of acquired images and to annotate them for future reference.Retrieving an ImageDescriptionFollow this procedure to open an image file from the images folder.PrerequisitesThe RTR-4 imaging software has been properly configured and is loaded and running. Procedure RTR0008Retrieve an existing image as follows: STEP ACTION1Press the F3 key or click the Open File button on the toolbar. The open dialog box appears. 2Verify the Images folder is displayed in the Look in: dialog box. 3Select the file to be opened.4Click on the Open button.RTRooo8aRTR0008b

System Operation RTR-4 Operator’s Manual4-10 SAIC Proprietary 120300 Rev. DShowing Image InformationDescriptionFollow this procedure to obtain information such as the date and time the image was acquired and the number of pulses used to acquire the image.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0009Obtain image information as follows: Using Multiple Image DisplayDescriptionIt is often useful to present images next to each other for comparison purposes. Follow this procedure to set the display to show multiple images.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original Buffer and one is displayed in the Modified Buffer. STEP ACTION1Select Image Header from the Display > Show pull-down menu. The File Header Info dialog box appears. 2Click the OK or Cancel button to close the dialog box.RTR0009a

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-11 Procedure RTR0010Display multiple images as follows: Using the Grid OverlayDescriptionThe RTR-4 imaging software has a Grid Overlay feature to assist the operator in determining the position and dimension of components in an image. Follow this procedure to enable and disable the Grid Overlay feature. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original Buffer. Procedure RTR 0011Use the Grid Overlay feature as follows: STEP ACTION1Select Multiple Original from the Preferences pull-down menu.NOTEOnce selected, Multiple Original will remain in effect until cleared or the software program is closed.2At the Window pull down menu, select either:• Tile Horizontal• Tile VerticalDepending upon selection, images will be displayed one above the other or side by side.STEP ACTION1Select Grid Overlay from the Display menu. A grid appears over the displayed image.2Select Distance in Centimeters or Distance in Inches from the Preferences pull-down menu.

System Operation RTR-4 Operator’s Manual4-12 SAIC Proprietary 120300 Rev. DMeasuring Distance in an ImageDescriptionFollow this procedure to measure the distance between two points in an image, either in centimeters or inches, depending upon the Preferences setting.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0012Measure distance as follows: NOTEOnce selected, the Grid Overlay remains in place until cleared. Complete step 3 to clear the Grid Overlay. 3Select Grid Overlay from the Display menu. The grid disappears.STEP ACTIONSTEP ACTION1Select Distance Measurement from the Display pull-down menu or press Ctrl+d on the keyboard. The cursor symbol changes to crosshair.2Move the crosshair cursor to the initial measuring point and click. 3Move the crosshair cursor to the final measuring point and click. A dialog box appears with the distance indicated in centimeters or inches depending upon Preferences setting.4Click on the OK button to close the dialog box.

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-13 Adding Lines and TextDescriptionThe RTR-4 imaging software has provisions to allow the operator to place lines and text on an image to highlight or point out certain areas. Follow this procedure to add lines and text to an image.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0013Add lines and text to an image as follows: STEP ACTION1To add text, select Annotate>Text>Black (or White) from the Modify pull-down menu. The cursor changes to the text I-beam.2Move the cursor to where the text is to be added and click. A text box appears. 3Type in the desired text and then press Enter. 4To add a line to the image, select Annotate>Lines>Black (or White) from the Modify pull-down menu. The cursor changes to the crosshair symbol. RTR0013aRTR0013b

System Operation RTR-4 Operator’s Manual4-14 SAIC Proprietary 120300 Rev. DUsing Contrast StretchDescriptionContrast Stretch provides the operator with the most useful tool to analyze images. This function allows the operator to make graduated changes in the brightness and contrast of an image. Doing this often reveals objects of very slight differences in density from their surroundings. Follow this procedure to adjust the brightness, darkness, and contrast of an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0014Use Contrast Stretch as follows: 5Move cursor to the beginning point of the line and click the mouse button. 6Move the cursor to the end point of the line and click the mouse button.STEP ACTIONSTEP ACTION1Press the F5 key or click the Contrast Stretch button on the toolbar. The Contrast Stretch dialog box appears. RTR0007b

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-15 2Click on a vertical blue bar to change the image brightness. The bar will flash a different color when properly selected. 3Move the cursor to the left or right to vary the brightness of the image. Notice the selected blue bar moves as the cursor moves, adjusting the brightness of the image in the active buffer.4Click the blue bar again to stop the bar from moving. NOTESelecting and moving either the left or right vertical blue bar will vary the brightness of the image. Depending on the distribution of the density graph, one may have more affect than the other. The operator should try both until satisfied with the image display. To change the contrast of the image, continue this procedure.5Place the cursor in the space between the vertical bars and click. Both bars will flash. 6Move the cursor left or right to adjust the contrast. 7When satisfied with the contrast setting, click between the vertical bars again. 8To close the dialog box either click the OK button to keep the changed settings or click the Default button to return to the original settings. STEP ACTIONRTRooo7c

System Operation RTR-4 Operator’s Manual4-16 SAIC Proprietary 120300 Rev. DUsing Automatic StretchDescriptionFollow this procedure to automatically adjust the brightness and contrast of an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original Buffer. Procedure RTR0015Use Automatic Stretch as follows: Using the Color PalettesDescriptionThe default palette is grayscale. Some images are easier to interpret if color is used to show density differences. Follow this procedure to select the color palette or an inverted palette. STEP ACTION1Press the F6 key or click the Auto Stretch button on the toolbar. The image contrast and brightness adjust to optimum levels. NOTEIf not satisfied with the auto-adjusted image, follow the Contrast Stretch procedure. To return the image to the original settings, continue this procedure.2Press the F5 key or press the Contrast Stretch button on the toolbar. The Contrast Stretch dialog box appears.3Click the Default button to return to the original settings. RTR0006bRTR0007b

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-17 PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0016Change the image palette as follows: Using Saturation SuppressionDescriptionImage saturation occurs when a dense object surrounded by less dense material is X-rayed using a high number of pulses. The image will have bright white areas surrounding the denser object. These bright areas make it difficult to see the contents of the denser area. Saturation Suppression changes the white pixels to black allowing better interpretation of detail in the denser area. Follow this procedure to enable the saturation suppression feature. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running.• An image is displayed in the Original buffer. STEP ACTION1Select Palettes from the Display menu.2Select one of the following commands from the Palettes pull-down menu. • Default• Inverted Grayscale• Inverted Rainbow• Rainbow3To return to default settings, select Default from the Palettes drop menu.

System Operation RTR-4 Operator’s Manual4-18 SAIC Proprietary 120300 Rev. DProcedure RTR0017Use Saturation Suppression as follows: Sharpening an ImageDescriptionImage sharpening defines the lines and edges in an image and improve an image’s resolution. Follow this procedure to sharpen an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0018Sharpen an image as follows: STEP ACTION1Select Saturation Suppression from the Display pull-down menu. NOTEOnce enabled, Saturation Suppression will remain in effect until disabled. The Saturation Suppression will be applied on all subsequent images. Complete step 2 to disable the Saturation Suppression feature. 2Select Saturation Suppression from the Display menu. STEP ACTION1Press the F8 key or click on the Sharpen Image button on the toolbar. The sharpened image appears in the Modified buffer.RTR0018a

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-19 Smoothing an ImageDescriptionImage smoothing softens edges, softens image, and reduces image resolution. Follow this procedure to soften an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0019Smooth an image as follows: 2Or select:• Sharpen>Fine• Sharpen>Moderate• Sharpen>Extremefrom the Modify pull-down menu.NOTEAn image may be sharpened several times before distortion become severe. Use the Ctrl+Z key combination or click the Undo button on the toolbar to undo a sharpen. Also, you may return to the Original buffer.STEP ACTIONRTR0018bSTEP ACTION1Press the F9 key or click the Smooth button on the toolbar. A smoothed image appears in the Modified buffer. RTR0019a

System Operation RTR-4 Operator’s Manual4-20 SAIC Proprietary 120300 Rev. DReducing Image NoiseDescriptionNoise is randomly colored and scattered pixels within an image that give the image a cluttered and unclear appearance. Follow this procedure to reduce noise in an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0020Reduce image noise as follows: 2Select one of the following commands:• Smooth>Fine• Smooth>Moderate• Smooth>Extremefrom the Modify pull-down menu.NOTEAn image may be smoothed several times before distortion become severe. Use Ctrl+Z key combination or click the Undo button on the toolbar to undo a smooth. Also, you may return to the Original buffer.STEP ACTIONRTR0018bSTEP ACTION1Select one of the following commands from the Modify pull-down menu. • Noise Reduction>Average• Noise Reduction>Median• Noise Reduction>Despeckle2The noise reduced image appears in the Modified buffer.

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-21 Using Edge DetectionDescriptionEdge detection displays white lines on a dark background where the edge of objects appear. Invert Grayscale can be used to show a reverse image-black lines on a white background. Follow this procedure to edge detect an image.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0021Edge detect an image as follows: NOTENoise reduction may be used several times before distortion become severe. Use Ctrl+Z key combination or click the Undo button on the toolbar to undo. Also, you may return to the Original buffer.STEP ACTIONRTR0018bSTEP ACTION1Select one of the following commands:• Edge Detect>Horizontal• Edge Detect>Vertical• Edge Detect>Generalfrom the Modify pull-down menu.2The Edge Detected image appears in the Modified buffer.

System Operation RTR-4 Operator’s Manual4-22 SAIC Proprietary 120300 Rev. DEmbossing an ImageDescriptionEmbossing suppresses color and makes an image appear raised or stamped in a “high relief” pattern. This is useful if the pattern or density appears uniform throughout the image making it difficult to pick out specific objects. Follow this procedure to emboss an image.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. Procedure RTR0022Emboss an image as follows: NOTEEdge Detect may only be used a few times before distortion become severe. Use Ctrl+Z key combination or click the Undo button on the toolbar to undo. Also, you may return to the Original buffer.STEP ACTIONRTR0018bSTEP ACTION1Select Emboss from the Modify menu.2The embossed image appears in the Modified buffer. NOTEEmboss may only be used a few times before distortion become severe. Use Ctrl+Z key combination or click the Undo button on the toolbar to undo. Also, you may return to the Original buffer.RTR0018b

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-23 Using Histogram EqualizationDescriptionThe Histogram Equalize command moves the density scale of an image slightly causing the lighter areas to darken slightly and the darker areas to lighten slightly. Follow this procedure to perform a Histogram Equalize.PrerequisitesVerify the following prerequisites are completed before beginning this procedure: • The RTR-4 imaging software is on and software preferences have been set. • An image is displayed in the Original buffer. Procedure RTR0023Use Histogram Equalize as follows: Image PreservationThe operator must be aware of the following regarding image preservation:• A newly acquired image is displayed in the Original buffer.• A newly acquired image remains unchanged in the Original buffer until another image is acquired or a saved image is opened with the File Open command while the Original buffer is active.STEP ACTION1Select Histogram Equalize from the Modify pull-down menu. 2The equalized image appears in the Modified buffer. NOTEHistogram Equalize only slightly affects an image. More than one use is unlikely to produce any useful results. Use the Ctrl+Z key combination or click the Undo button on the toolbar to undo. Also, you may return to the Original buffer.RTR0018b

$System Operation RTR-4 Operator’s Manual4-24 SAIC Proprietary 120300 Rev. D• Modifications made to an image in the Original or the Modified buffers will overwrite the image in the Modified buffer. • Immediately save a newly acquired image to prevent its loss. QuickSaving an ImageDescriptionFollow this procedure to “quick save” an image to the default C:\Images folder with a default file name. PrerequisitesVerify an unsaved image is present in the active buffer.Procedure RTR0024QuickSave an image as follows: ORIGINALBUFFER BUFFERACQUIRE MODIFYDISKDRIVEMODIFIED STEP ACTION1Press the F2 key or click the QuickSave! button on the toolbar. The QuickSave! dialog box appears.2Click on the Yes button. NOTEThe displayed image is saved to the C:\Images folder with a default file name. DD.HH.MM.SS.tifThe day date, hour, minutes, and seconds and the image file type.RTR0024aRTR0024b$

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-25 Saving an ImageDescriptionFollow this procedure to save an image with a specific filename to a location other than the default folder. PrerequisitesVerify an unsaved image is present in the active buffer.Procedure RTR0025QuickSave an image as follows: Print an ImageDescriptionFollow this procedure to print an image. PrerequisitesVerify the following prerequisites are completed before beginning this procedure: STEP ACTION1Press the F4 key or click the Save As button on the toolbar. The Save As dialog box appears.2Use the browse feature to ensure the correct folder appears in the Save in field. 3Type the desired filename into the File name field.4Press the Enter key or click on the Save button. RTR0006cRTR0006dENTER FOLDER ENTER FILENAMENAME

System Operation RTR-4 Operator’s Manual4-26 SAIC Proprietary 120300 Rev. D• The RTR-4 imaging software has been properly configured and is loaded and running. • An image is displayed in the Original buffer. • Verify a printer is connected to the printer port, is loaded with paper, and is powered up. Procedure RTR0026Print an image as follows: Software DescriptionThe RTR-4 imaging software has many unique operating features differing from the MS Windows® OS installed on the controller notebooks. RTR-4 operators must be familiar with the Windows® OS. This manual does not cover Windows® operation. Information and training on Windows® may be located at http://www.microsoft.com. RTR-4 application-specific features and commands are listed and described in the following paragraphs. RTR-4 FunctionsIn most cases the RTR-4 commands can be accessed by:• The pull-down menus listed in the Main Menu bar at the top of the screen.• A button on the toolbar displayed under the Main Menu bar.• The Function Keys (F1-F12) located at the top row of the keyboard.• Various keys or key combinations (refer to the Key Map selection under the Help pull-down menu for more information).• The RTR-4 application may be operated using the keyboard in the advent of a mouse or pointing device failure.Once the RTR-4 is set up and configured, the operator shall launch the imaging software and verify that it is running normally and properly configured. STEP ACTION1Select Print from the File pull-down menu to print the image in the active buffer. 2Select Print Window from the File pull-down menu to print the entire Main Menu screen.

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-27 Images are acquired with the RTR-4 using an imaging and modification software program installed on the RTR-4 system. The RTR-4 Main Menu screen is a standard Windows-based Graphical User Interface (GUI) activated through onscreen pull-down menus and toolbar buttons as well as keyboard commands. The RTR-4 software includes a database feature that lets the user record information about an image such as operator name, date of acquisition, location, project, type of image, X-Ray source and serial number, and any comments about the image. This information can then be retrieved, viewed, sorted by category, and changed as needed to provide an accurate record of acquisitions and modifications, and assist the user in locating and organizing images. The database function is enabled in the Preferences menu, and accessed through the File menu. The operator must be familiar with the RTR-4 software pull-down menus, dialog boxes, and toolbar buttons. The figure below shows the Main Menu screen as it appears at startup.Figure 4-1: Main Menu ScreenThe Acquire MenuThe Acquire menu contains the Acquire..., Sum, and Enable Acquire commands. 1 23456781 Menu bar 2 Icon Toolbar 3 Image display area4 Status bar 5 Caps lock,numlock, andScroll lock6 Zoom level 7 Cursor localand pixel density.8 Buffer name9 Icon bar definition9 indicator

System Operation RTR-4 Operator’s Manual4-28 SAIC Proprietary 120300 Rev. DDuring image acquisition, a progress bar is displayed, showing progress as the image is transferred the Original buffer. When finished, the system returns to the main screen and the image is displayed. An Acquire request can be canceled at any point by selecting Cancel or pressing Esc twice. The Cancel or Esc commands return the user to the Main Menu. COMMAND DESCRIPTIONAcquire... (F1) When selected, the system waits the number of seconds specified in the Delay Timer field, then the X-Ray source fires for the specified number of pulses and an image is acquired.Sum... Used to collect an initial image, then subsequent acquired images are added to the existing image. This operation may be repeated as often as the operator desires. This command is useful when the target object is thick or made of a dense material.Enable Acquire When enabled (checkmark present), the Acquire command is enabled and the source can fire. When disabled (no checkmark), the Acquire command is disabled and the source will not fire. A password will be required to re-enable this function.

RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-29 Acquire Dialog BoxThe two Acquire dialog box settings and their respective ranges are: Delay Dialog BoxWhen a Delay Timer value other than zero seconds has been set, a message box appears on the display with a counter that counts down the preset number of seconds.Cancel may be selected to abort image acquisition at any point during the countdown. Once the Delay Timer value has been changed, it remains at the changed setting until the program is shut down. The Delay Timer value automatically resets to zero when the application is restarted.COMMAND DESCRIPTIONTYPICAL INPUT RANGEDEFAULTX-Ray pulsesSets the number of times the source pulses on firing5-99 pulsesEight pulsesDelay TimerSets the time delay before the source fires0-300 secondsZero seconds

System Operation RTR-4 Operator’s Manual4-30 SAIC Proprietary 120300 Rev. DFire and Sum X-Ray Dialog BoxSelecting Fire and Sum X-Ray command captures the first image. The Acquire dialog box appears again automatically. If the first image is adequate, select Cancel. If not, set the option values and select Fire and Sum X-Ray again. This adds the newly-acquired image to the sum of the previous images. Using the Sum command can help produce images with superior signal-to-noise ratios (SNR), by adding multiple acquisitions, thus achieving higher grayscale values in the resulting image. Be sure the Contrast Stretch is set to Default before starting so the image does not wash out prematurely.Disable Acquire The Disable Acquire command is depicted by button at the end of the toolbar. This button is only visible on those systems which do not have the optional Interlock Safety Key. When the button is depressed (the default state) Acquire is enabled and the system responds as normal. When this icon is enabled, the user is prompted to enter a password. This password will be required to re-enable the Acquire command. The password is not retained for future use; a new password is requested each time the function is activated. This function acts as a software safety interlock, and can be used to prevent another user from accidentally firing the X-Ray source.

$RTR-4 Operator’s Manual System Operation 120300 Rev. D SAIC Proprietary 4-31 The File MenuThe File pull-down menu contains file management commands. These commands allow the opening, closing, printing, and saving of files and the option to exit the RTR-4 application. COMMAND DESCRIPTIONQuick Save (F2)When selected, a dialog box appears with a computer-generated filename and the option to save or cancel by selecting Yes or No.Open (F3) Select to retrieve an image from the hard disk drive or a floppy disk.Save As (F4) Select to store an image on the hard disk drive or a floppy disk under a user-specified filename. A dialog box is displayed on the screen, select the desired location for the file and provide an appropriate name. Then select OK or Cancel.Database Select to access the seven database functions, allowing image query, modification of image data, importing data, and exporting image data.Print (Ctrl+P)Select to activate the Print dialog box for print options. The Print Setup dialog box commands allow selection of print options (window or image), paper orientation (portrait or landscape) and number of copies to print.Print WindowSelect to print the border icons and data along with the displayed fraction of the image.$

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