Evaluation of 3D and SP Imaging Systems
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Questions and Answers

What does 'time remaining' in the information zone indicate?

  • Time left before next bag leaves CTX.
  • Time left before next image shows up.
  • Time until the next threat is identified.
  • Time left to make a decision on the bag. (correct)
  • What do the small lines above and below the Sp image represent?

  • Explosive lines.
  • Warning indicators.
  • Contrast lines. (correct)
  • Slice lines.
  • What does a red slice line signify?

  • No threat present in the slice. (correct)
  • Slice is displayed as a CT image.
  • Presence of potential threat in the slice.
  • Number of slices acquired by the CT.
  • If there are four threats, how many will have yellow borders on the SP screen?

    <p>1</p> Signup and view all the answers

    Which button is used to highlight a shield alarm?

    <p>Threat.</p> Signup and view all the answers

    What tools are activated by default when a potential threat is detected?

    <p>Threat, detonator, range.</p> Signup and view all the answers

    How can the CT value within the Information zone be useful?

    <p>Helpful to determine density of the threat.</p> Signup and view all the answers

    What does the invert icon do?

    <p>Invert color scheme.</p> Signup and view all the answers

    What should be done if Exit is selected from the Menu tab?

    <p>Select shutdown</p> Signup and view all the answers

    On the CI, what does the red color represent?

    <p>Error</p> Signup and view all the answers

    What does the 'Bag Queue' field represent?

    <p>Number of bags in queue to be scanned by CTX's on cluster</p> Signup and view all the answers

    What should be done when the CTX status is error?

    <p>Notify supervisor for direction</p> Signup and view all the answers

    On the CI, what does the green color represent?

    <p>Operational</p> Signup and view all the answers

    In a MUX V-2 environment, how can you quickly identify the status of all the systems on the network?

    <p>Color of the icons in the scanner section</p> Signup and view all the answers

    On the CI, what does light blue color represent?

    <p>Shutdown/ready to start</p> Signup and view all the answers

    What does the logo with the power icon do?

    <p>Power cycle</p> Signup and view all the answers

    What is the first action to take when performing the Alarm Resolution Protocol?

    <p>Determine the type of threat</p> Signup and view all the answers

    When should a Law Enforcement Officer (LEO) be notified during the Alarm Resolution Protocol?

    <p>When an obvious threat is found</p> Signup and view all the answers

    If the external detailed structure of the threat mass is visible, what should be done next?

    <p>Determine if initiator is present</p> Signup and view all the answers

    A shield alarm needs which of the following to suspect a threat?

    <p>Identification of the other components of an IED</p> Signup and view all the answers

    What should be concluded if metal/detonator is found more than 1 centimeter from the threat mass?

    <p>The object should be considered clear</p> Signup and view all the answers

    What constitutes an obvious threat in the context of Alarm Resolution Protocol?

    <p>Item that looks like a bomb</p> Signup and view all the answers

    When is priority given to threats during the Alarm Resolution Protocol?

    <p>Based on the order in which CTX alarms are activated</p> Signup and view all the answers

    A threat missing a detonator can still be suspected. Is this statement true or false?

    <p>True</p> Signup and view all the answers

    Which color in the 3D view represents a possible detonator?

    <p>Blue</p> Signup and view all the answers

    What does the bounding box around the bag indicate?

    <p>Current slice plane</p> Signup and view all the answers

    What color is used to represent the 'current' threat border on the SP tab?

    <p>Red</p> Signup and view all the answers

    How many colors are used on the SP tab?

    <p>4</p> Signup and view all the answers

    Which color on the SP tab represents dense objects?

    <p>Yellow</p> Signup and view all the answers

    What does the red bar at the top of the screen signify?

    <p>Slice region</p> Signup and view all the answers

    What is indicated by the color yellow in the 3D view?

    <p>Current explosive threat</p> Signup and view all the answers

    What action does the icon representing 'Next slice' perform?

    <p>Advance to next image</p> Signup and view all the answers

    Study Notes

    Left Screen Evaluation

    • Left screen displays both 3D and SP images.
    • Two sets of decision buttons: "threat" and "bag" decision soft keys
    • Two tabs: 3D and SP
    • 3D View Colors:
      • Red: Explosive threat
      • Yellow: Current explosive threat
      • Green: Other explosive threat
      • Blue: Metal explosive threat
    • Purple: Metal objects
    • SP Tab Colors:
      • Red: “current” threat border
      • Yellow: “other” threat borders
      • Orange: Dense objects
    • Top Red Bar: Region of interest (ROI)
    • Time Remaining: Time left to make a decision on the bag.
    • Slice Lines:
      • Red: No threat present in the slice
      • Green: Presence of potential threat in the slice

    Right Screen Evaluation

    • CT and Menu Tabs are found on the right monitor.
    • CT Slice Image is a 2D representation of a slice within the 3D image.
    • CT Slice Image is linked to a bounding box on the 3D screen.
    • Slice Number Color:
      • Red: No threat found in the slice
      • Green: Threat is found in the slice
    • Alarm Resolution Tools:
      • Default: Threat, detonator, metal
      • Invert is on by default.
    • Information Zone: Displays threat, mass, density, CT value, and distance
    • 3D Image Rotation: Rotates the CT image on the right screen.
    • CT Value: Helps to determine the density of the threat and compare similar items.
    • System Configurations Menu: Available within the MUX V-2 environment.
    • Control Interface (CI):
      • Red: Error
      • Green: Operational
      • Light Blue: Standby
      • Orange: Offline
      • Dark Blue: Shutdown
      • Yellow: Fault
      • Grey: Ready to start
    • CTX Error: Always notify supervisor first.
    • CI in MUX V-2 Environment:
      • Messages Window (Upper Zone): Provides information about all systems on the network.
      • Scanner Section (Lower Zone): Indicates the status of all CTX scanners on the network.

    Alarm Resolution Protocol (ARP)

    • Step 1: Determine if the threat is obvious
    • Obvious Threat: Looks like a bomb, standard munitions, irrational placement, potential IED components
    • Not Obvious Threat:
      • Step 2: Determine if metal/detonator is within 1 cm of the threat mass.
        • Within 1 cm: Notify LEO
      • Step 3: Determine if it is a shield alarm.
        • Shield Alarm: Suspect only if other components of an IED are present.
      • Step 4: See if the external detailed structure of the threat is visible.
        • Visible: Suspect the threat
    • Priority: Threats are addressed in the order they are received by the CTX.
    • Metal/Detonator Greater than 1 cm from Threat: Suspect
    • Visible External Detailed Structure: Suspect
    • After Deciding on a Threat: Determine if there are more threats in the bag.

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    Description

    This quiz evaluates the understanding of the Left and Right Screen evaluations in 3D and SP imaging systems. It covers color coding and decision-making processes associated with threat detection. Test your knowledge on the significance of various colors and icons used in assessing potential threats.

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