Radar Control Panel Functions Quiz
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Questions and Answers

What is the primary function of the "+" and "-" buttons on the control panel?

  • Modifying the range scale of the radar display (correct)
  • Adjusting the brightness of the display
  • Controlling the speed of the radar's rotation
  • Changing the radar's operating frequency
  • What does the "RM(R)" designation indicate regarding the radar trails displayed on the screen?

  • The radar trails are based on a pre-determined target trajectory, not actual movement.
  • The radar trails show the target's true motion, unaffected by the observer's movement.
  • The radar trails depict the relative movement of targets with respect to the observer. (correct)
  • The radar trails are displayed in real-time, showing actual movement.
  • What happens when the "Off center switching" button is held for 2 seconds?

  • The radar's display shifts to a wider view, encompassing a larger area around the vessel.
  • The ship's position is reset to the center of the screen, and the off-center function is deactivated. (correct)
  • The radar's display switches to a zoomed-in view of the center of the screen.
  • The cursor disappears, and the radar returns to its default settings.
  • In what state is the radar when the "Standby" label is displayed?

    <p>The radar is in a low-power mode, but ready to be activated at any time. (D)</p> Signup and view all the answers

    What is the maximum observation range that can be achieved using the range scale switching buttons?

    <p>96 nautical miles (NM) (C)</p> Signup and view all the answers

    Which of the following can be displayed on the screen when the "Off center switching" button is activated?

    <p>A cursor which can be moved to a desired location on the screen. (C)</p> Signup and view all the answers

    Which of the following accurately describes the purpose of the "Transmission pulse length switching" button?

    <p>It determines the duration of the radar's transmission pulse. (B)</p> Signup and view all the answers

    What is the primary function of the "Interswitch connection change" button?

    <p>It governs the communication exchange between the radar system and other systems. (C)</p> Signup and view all the answers

    When would the "Preheat" label change to "Standby" in the display?

    <p>After the radar system has completed its initial pre-heating stage. (A)</p> Signup and view all the answers

    What happens when the starting point is moved outside the screen?

    <p>The starting point returns to the CCRP position. (B)</p> Signup and view all the answers

    What must be enabled for the i.D function to work?

    <p>Connection of a navigator. (D)</p> Signup and view all the answers

    Which option is NOT available for setting the parallel index line starting point?

    <p>Edge of Display (C)</p> Signup and view all the answers

    How can the operation right be acquired for the parallel index line display?

    <p>By clicking the button to toggle On/Off. (A)</p> Signup and view all the answers

    Which of the following correctly describes the effect of left-clicking after setting the parallel index line?

    <p>It confirms the operation right and automatically saves settings. (A)</p> Signup and view all the answers

    What is the primary function of the [TUNE] dial?

    <p>To adjust the transmitter's frequency. (B)</p> Signup and view all the answers

    What is the difference in functionality between the [PWR ACK] and [ALARM ACK] keys?

    <p>The [PWR ACK] key acknowledges power supply abnormalities, while the [ALARM ACK] key acknowledges various alarms like failure, approaching target, and collision alarms. (B)</p> Signup and view all the answers

    How can the [RAIN] and [SEA] dials be used to suppress clutter?

    <p>Both A and B. (B)</p> Signup and view all the answers

    Which of the following keys is NOT directly related to alarm acknowledgement or suppression?

    <p>[TUNE] (A)</p> Signup and view all the answers

    What happens when multiple alarms occur simultaneously?

    <p>The user can stop all alarm sounds by pressing the [ALARM ACK] key simultaneously. (C)</p> Signup and view all the answers

    What is the primary function of the cursor mode switching button?

    <p>To toggle between various cursor modes (A)</p> Signup and view all the answers

    Which of the following buttons is responsible for adjusting the EBL1 value?

    <p>EBL1 adjustment (A)</p> Signup and view all the answers

    What feature does the mark font/line pattern switching button control?

    <p>Changing the mark font or line pattern (C)</p> Signup and view all the answers

    Which function is performed when the button for parallel index line starting point mode switching is pressed?

    <p>It alters the starting point for the parallel index line (C)</p> Signup and view all the answers

    What happens to the EBL2 numeric value indication when the true/relative switching button is activated?

    <p>It toggles the display mode of EBL2 values (A)</p> Signup and view all the answers

    Which adjustment button directly relates to VRM2?

    <p>VRM2 adjustment (C)</p> Signup and view all the answers

    What is the consequence of pressing the button for switching the EBL1 starting point mode?

    <p>The starting point for EBL1 is changed (B)</p> Signup and view all the answers

    When in mark mode, what is the primary effect of activating the mark font/line pattern switching button?

    <p>It modifies the marking line or font appearance (C)</p> Signup and view all the answers

    Which adjustment affects the numeric value display for EBL1?

    <p>EBL1 adjustment (B)</p> Signup and view all the answers

    The VRM1 adjustment button primarily affects which of the following?

    <p>The numeric value of VRM1 (A)</p> Signup and view all the answers

    What happens when the target enhance mode button is clicked while it is in the ENH Off state?

    <p>The mode switches to ENH Level1 (B)</p> Signup and view all the answers

    In the radar video processing mode, what is the next state after Peak Hold?

    <p>PROC Off (D)</p> Signup and view all the answers

    What does prolonged pressing (2 seconds) on the FUNC button do?

    <p>Opens the function registration menu (B)</p> Signup and view all the answers

    Which of the following modes can be accessed directly from the FUNC Off state?

    <p>Fishnet (B), Storm (C)</p> Signup and view all the answers

    If rain and snow clutter suppression is switched to automatic mode, what happens to sea clutter suppression?

    <p>It also switches to automatic mode (D)</p> Signup and view all the answers

    What does moving the track ball to the left and right adjust?

    <p>The gain and suppression settings (D)</p> Signup and view all the answers

    When in ENH Level3, what will happen after another click on the target enhance mode button?

    <p>Reverts to ENH Off (D)</p> Signup and view all the answers

    When the FUNC mode is at Storm and the button is clicked, what state does it revert back to?

    <p>FUNC Off (C)</p> Signup and view all the answers

    What indicates the position of the dial when switching modes for sea clutter suppression?

    <p>Bar on the left side (B)</p> Signup and view all the answers

    Which of the following is NOT a direct mode available from FUNC Off?

    <p>Peak Hold (B)</p> Signup and view all the answers

    Flashcards

    [POWER] Switch

    Activates the equipment and controls power supply.

    [PWR ACK] Key

    Acknowledges power supply abnormalities; requires external battery.

    [TX/STBY] Key

    Starts transmission when pressed; puts equipment on standby during transmission.

    [ALARM ACK] Key

    Acknowledges various alarms and silences alarm sounds when pressed.

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    [TUNE] Dial

    Tunes a transmitter; switches between manual and automatic modes.

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    [RAIN] Dial

    Suppresses rain/snow clutter; adjusts effect by turning dial.

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    [SEA] Dial

    Suppresses sea clutter; increases effect by turning dial.

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    Range scale switching

    Adjusts the observation range scale from 0.125NM to 96NM.

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    Range rings display

    Controls the display of fixed range markers, toggling between On and Off.

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    Motion mode switching

    Changes between true motion (TM) and relative motion (RM) radar trails.

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    Off center switching

    Moves the ship's position to the cursor location on the display.

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    Transmission/Standby switching

    Toggle between preheat mode (when powered on) and standby mode.

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    Transmission pulse length switching

    Adjusts the duration of the transmission pulses for radar signals.

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    Azimuth display mode switching

    Changes how direction (azimuth) is displayed on the radar screen.

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    Interswitch connection change

    Switches connections between different radar systems or inputs.

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    Fixed range marker

    Displays fixed intervals for the observation range when enabled.

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    Manual vs. Automatic Modes

    Switches between manual and automatic settings.

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    Starting Position Fixing

    Locks the starting position to the cursor's latitude/longitude when left-clicked.

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    CCR Reset

    Automatically resets the starting point back to CCRP if moved off-screen.

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    Parallel Index Line Setting

    Toggles the display of parallel index lines On/Off and opens the operation menu.

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    Parallel Index Starting Point Modes

    Switches the starting point between CCRP or another position on the radar screen.

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    Operation Right Acquisition

    Gains operation rights upon clicking the parallel index line button.

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    Cursor Mode Switching

    Changes cursor function mode upon button press. Modes include AUTO, ACQ TT, ACT AIS, etc.

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    Mark Font/Line Pattern Switching

    Switches the appearance of line patterns or fonts for marks when active.

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    EBL1 Adjustment

    Adjusts the Electronic Bearing Line 1 for better navigation.

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    VRM1 Adjustment

    Sets up the Variable Range Marker 1 on the display.

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    EBL2 Adjustment

    Adjusts the Electronic Bearing Line 2 for navigation.

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    VRM2 Adjustment

    Sets the Variable Range Marker 2 for distance measurement.

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    EBL1 Numeric Value Indication

    Displays the numeric value for EBL1, shown as true or relative.

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    EBL2 Numeric Value Indication

    Displays numeric value for EBL2, similarly indicated as true or relative.

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    Cursor Bearing Display

    Shows the bearing value of the current cursor position.

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    Study Notes

    S-Band Radar JMA-9133-SA

    • Model designation: JMA-9133-SA
    • Radar type: S-Band

    Section 2: Names and Functions of Control Panel Keys and Software Buttons

    • Subsection 2.1: Names of Displays

      • Screen divided into areas with specific labels
      • PPI (Plan Position Indicator), Upper Left display
      • Own Ship Information (Upper Right),
      • Target Tracking (TT) / AIS information
      • Digital Information, Lower Right display
    • Subsection 2.2: Names and Functions of Control Panel Keys

      • Detailed descriptions of control panel keys and their functions. (example keys: POWER, PWR ACK, TX/STBY, etc.) (page numbers are missing)
    • Subsection 2.3: Functions of Software Buttons

      • Quick access functions directly via screen buttons
      • Screen is divided for various functions

    Section 2.1: Names of Displays

    • PPI display example: contains circles or rings, and various information markers (own ship's symbol, course of targets, etc.).

    • Included information fields:

      • Own ship information
      • Target, tracking(TT)/AIS information
      • Digital (menu, brilliance, display info, alarm) information
      • Ranges/levels on radar screen
      • Time displays (UTC)
      • Cursor
      • Mark color
      • Own ship's track interval
      • Map display
      • Graphic display (on/off)
    • Description of the PPI illustration: (shows how the screen is labeled for various elements and their locations, with precise diagrams of the PPI, location, and components)

    Other Sections

    • Additional sections (2.1 to 2.3), include details about control panel keys, examples of screen displays, and functions of software buttons
    • Further detailed functions and descriptions are provided in different sections (3.1, 3.2, 3.3, 3.4 etc.)

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    Description

    Test your knowledge of radar system control panels with this quiz. You will answer questions about button functions, display states, and operational features. Perfect for those learning about radar technologies and systems.

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