Leonardo Mk220 Designator System Training
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Questions and Answers

What does the issue number indicate about the document?

  • The document's current standard is defined by the latest issue number. (correct)
  • The document has been revised multiple times.
  • The document is confidential.
  • The document only contains internal use information.

What is a condition placed on the use of this document?

  • It may be reproduced freely.
  • It can be adapted for commercial use.
  • It can be disclosed to any third party.
  • It must remain confidential without consent. (correct)

Which of the following statements about changing the document is true?

  • Changes can be made piecemeal without documentation.
  • Changes do not need to be documented.
  • Changes require only a verbal approval.
  • Changes are made by issuing a new version or amendment list. (correct)

What is the purpose of the notice found in this document?

<p>To protect the company's proprietary information. (B)</p> Signup and view all the answers

What does 'FOR TRAINING USE ONLY' imply about the document's usage?

<p>The document should be used solely for training purposes. (A)</p> Signup and view all the answers

Which date is associated with the issue number of this document?

<p>3rd September 2018 (C)</p> Signup and view all the answers

What does the statement on permissible disclosure regarding the document indicate?

<p>Disclosures must always contain the copyright notice. (C)</p> Signup and view all the answers

What is the function of the gimbal assembly in the Electro-Optical Designator System?

<p>To stabilize the sensors (D)</p> Signup and view all the answers

Which section indicates the control of use and disclosure of the document?

<p>Document Control Statement (B)</p> Signup and view all the answers

What is the elevation limit for the soft stop in the Look Up position?

<p>±90° (A)</p> Signup and view all the answers

What does the hard stop limit for the Look Down position measure?

<p>100° (±1.5°) (D)</p> Signup and view all the answers

How does the gimbal assembly assist with environmental factors?

<p>By offering environmental protection for the sensor payload (D)</p> Signup and view all the answers

What is the azimuth limit for the limit switch?

<p>±139.5° (B)</p> Signup and view all the answers

Which function is NOT performed by the gimbal assembly?

<p>Power supply management (C)</p> Signup and view all the answers

What is the maximum elevation limit of the limit switch when looking up?

<p>96° (±1.5°) (A)</p> Signup and view all the answers

What is the function of IR video processing within the gimbal assembly?

<p>To analyze thermal patterns (B)</p> Signup and view all the answers

What is the primary purpose of the spring array in the yoke assembly?

<p>To allow for coarse vibration attenuation (D)</p> Signup and view all the answers

When must the desiccant assembly be replaced?

<p>When the top two quadrants show lavender (B)</p> Signup and view all the answers

What safeguards are included to prevent inadvertent laser emissions during operation?

<p>Software, electrical, and mechanical stops (B)</p> Signup and view all the answers

What happens when the inertial load travels beyond the limit switch in the turret system?

<p>Power is cut off to the motors (D)</p> Signup and view all the answers

What is the full azimuth viewing range of the turret from the forward position?

<p>±140° (A)</p> Signup and view all the answers

What role do software stops play in the turret operation?

<p>They slow the turret down before reaching physical stops (A)</p> Signup and view all the answers

Which quadrant color indicates that the turret must be purged?

<p>Lavender (pink) (A)</p> Signup and view all the answers

What is the approximate full elevation viewing range of the turret from the forward position?

<p>±90° (D)</p> Signup and view all the answers

What is the primary purpose of cooling the focal plane array to -196.15 °C?

<p>To enhance image resolution (A)</p> Signup and view all the answers

Which parameter directly affects the thermal exposure of the image?

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

What is the function of 'offset' in the context of the focal plane array?

<p>To set a temperature offset value for the image (C)</p> Signup and view all the answers

Which of the following functions would likely reduce image noise in thermal imaging?

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

Why is periodic recalibration necessary for the focal plane array?

<p>To accommodate changes in ambient temperature (D)</p> Signup and view all the answers

Which parameter allows the operator to invert image polarity?

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

What does the function of 'Electronic zoom' enable an operator to do?

<p>Zoom into an object (A)</p> Signup and view all the answers

What is an effect of using scene setup within the focal plane array's settings?

<p>To control thermal exposure and optimize contrast (A)</p> Signup and view all the answers

What is the purpose of the optical bench in the turret assembly?

<p>To stabilize the sensors against unwanted movement (C)</p> Signup and view all the answers

Which component is responsible for measuring angular movement in the optical bench?

<p>Inertial Measurement Unit (IMU) (C)</p> Signup and view all the answers

How does the optical bench achieve stabilization during flight?

<p>By applying a counter movement through a feedback loop (A)</p> Signup and view all the answers

What is the primary function of the Electro-Optical Wide (EOW) sensor?

<p>To output color video for scene observation (B)</p> Signup and view all the answers

What type of image does the EOW sensor produce?

<p>Color video (D)</p> Signup and view all the answers

Which feature of the EOW sensor provides versatility in observation?

<p>Variable focal length of the lens (A)</p> Signup and view all the answers

What role do torque motors play in the operation of the optical bench?

<p>Supply counter movement in response to signals (B)</p> Signup and view all the answers

Which of the following is NOT a primary use of the EOW sensor?

<p>Provide real-time satellite imagery (D)</p> Signup and view all the answers

What is the primary function of the infrared (IR) sensor in the electro-optical designator system?

<p>To produce a black and white video image using IR energy (B)</p> Signup and view all the answers

Which setting on the electro-optical system is most appropriate for observing a light-colored object in rough sea conditions?

<p>Low contrast setting (C)</p> Signup and view all the answers

What range of IR energy is the infrared sensor sensitive to?

<p>3.4-5.2 µm (D)</p> Signup and view all the answers

In what conditions can the infrared sensor be effectively used?

<p>Both daytime and nighttime (A)</p> Signup and view all the answers

Which component of the infrared camera converts IR energy into visible imagery?

<p>Focal plane array (C)</p> Signup and view all the answers

What advantage does the infrared sensor provide when locating a casualty in the sea?

<p>It can detect thermal signatures more distinctly than color imagery (A)</p> Signup and view all the answers

Which of the following is NOT a capability of the infrared sensor?

<p>Capturing color images in daylight (B)</p> Signup and view all the answers

What type of imagery does the infrared camera produce?

<p>Black and white video images (A)</p> Signup and view all the answers

Flashcards

Philippines Mk220

An electro-optical designator system

Electro-optical Designator System

A system for identifying and marking targets using light.

TACCO

A program or training course related to the Philippines Mk220.

Document Issue

The process of updating or altering a document; updating the document to its latest and best form for use.

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Issue Number

A number that identifies a specific version of a document.

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Issue Date

The date a document was released or updated.

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Copyright

Legal right granted to the creator of a work.

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Confidential Information

Information that must be kept secret.

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Yoke Function

The yoke houses the electromechanical drives and gears controlling azimuth (horizontal) and elevation (vertical) movements.

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Gimbal Vibration Dampening

A spring array in the yoke assembly acts as a coarse vibration attenuator for the gimbal

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Turret Humidity Indicator

Lavender (pink) top quadrant levels indicate a purge is needed for the turret.

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Desiccant Replacement

Replace the desiccant assembly when the top 2 quadrants display lavender/pink.

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Turret Azimuth Stops

Software, electrical, and mechanical stops prevent accidental laser emission towards aircraft.

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Hard Stops Function

Hard stops halt turret movement once limit switches sense extreme angles, preventing over-rotation/damage.

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Software Stops Function

Software stops gradually slow the turret to avoid sudden stops/damage when approaching hard stops.

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Turret Viewing Range

Approximate viewing angle: ±140° azimuth and ±90° elevation from the forward position.

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Turret Gimbal

The outer dome that electromechanically steers and stabilizes internal sensors.

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Gimbal Assembly Functions

Stabilize sensors, protect sensor payload, process IR video, and measure optical bench LOS.

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Soft Stop (Azimuth)

Limit of azimuth movement; ±137.5° (green area).

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Limit Switch (Azimuth)

The azimuth limit; ±139.5° (yellow area).

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Hard Stop (Azimuth)

Final limit of azimuth movement; ±141.5° (red area).

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Elevation Look Up Limit

Maximum elevation angle; ± 90°.

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Elevation Look Down Limit

Minimum elevation angle; ±90°.

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Elevation Limit Switch (Positive)

Maximum elevation limit; 95° (±1.5°).

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IR Sensor

A camera that captures infrared energy, creating a black and white image.

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Mid IR Range

The specific wavelengths of infrared energy the IR Sensor detects, between 3.4 and 5.2 micrometers.

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What is the IR sensor used for?

The IR sensor can be used to see targets in day or night, track heat signatures, and even spot casualties at sea.

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Focal Plane Array

The part of the IR sensor that converts infrared energy into a visible image.

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Photodiodes

Tiny light-sensitive components within the Focal Plane Array that convert infrared energy into electrical signals.

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Default Setting

The standard setting for the Philippines Mk220, suitable for most lighting conditions.

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Low Setting

This setting is used for low contrast situations, like a grey boat against a rough sea.

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High Setting

This setting is used for high contrast situations, like a dark plane against scattered clouds.

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Calibration

A process that adjusts the focal plane array to accurately capture thermal signatures and remove errors caused by temperature changes.

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Sensitivity

Controls how much thermal radiation the focal plane array detects, influencing image brightness.

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Offset

Sets a reference temperature for the image, making it easier to understand variations in heat.

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Scene Setup

Optimizes thermal exposure for the entire image, enhancing contrast and visibility.

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Polarity

Inverts the image to highlight hot or cold objects, allowing the operator to focus on specific targets.

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Filtering

Reduces noise and concentrates the beam for clearer image quality.

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Electronic Zoom

Enlarges a specific section of the image for closer examination.

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What stabilizes the optical bench?

The optical bench is actively stabilized using a feedback loop that detects movement and applies counter-movement to hold the turret position steady. This ensures stable imaging.

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What's the purpose of the Inertial Measurement Unit (IMU)?

The IMU, containing a fiber-optic gyro, measures angular movement of the optical bench. This information is used to stabilize the image.

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How does the optical bench stay stable?

Torque motors receive signals from the control system and apply counter-movement to the optical bench, based on the IMU's readings. This counteracts unwanted movement.

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What is the EOW sensor?

The Electro-Optical Wide sensor is a daylight imaging camera that provides color video. It features a variable focal length, allowing for wide-angle viewing and scene examination.

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Primary uses of the EOW sensor

The EOW sensor assists in orienting turret steering, examining the scene, and selecting a subject.

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How does the EOW sensor help with turret steering?

By providing a wide field of view, the EOW sensor assists the operator in orienting the turret towards the desired direction before focusing on specific targets.

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What does 'variable focal length' mean?

The EOW sensor's lens can adjust its magnification, allowing the operator to switch between wide-angle viewing for overall scene observation and zoomed-in views for detailed examination.

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Where is the EOW sensor mounted?

The EOW sensor, along with other sensors like the IMU, is mounted on the optical bench within the gimbal assembly.

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Study Notes

Document Information

  • Document number: PJT-470494
  • Issue: 1.0
  • Issue date: 3rd September 2018
  • Confidential and proprietary information
  • Not to be disclosed or reproduced without written consent

Training Use Only

  • Training materials for the Leonardo Mk220 Electro-Optical Designator System
  • TACCO Student Notes
  • Changes to the document may be made through re-issue or amendment lists

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