Aviation Electronics Technician 1 - Historic Naval Ships Association

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6-20. On the HSI, when a tactical mode isselected, true heading informationis switched out of the circuit, andthe compass card will be driven bymagnetic heading information.1. True2. False6-21. What is/are the quantity ofpointers on a BDHI?1. One2. Two3. Three4. Four6-22. From what reference is the BDHIcompass card read for aircraftheading?1. Pointer No. 12. Pointer No. 23. Lubber index4. Lubber line6-23. The BDNI distance counterof how many total synchroreceivers to position the1. Five2. Two3. Three4. Fourconsiststorquenumerals?6-24. The visual display system used byaircrew to search for, attack, anddestroy the enemy is commonlycalled the1. MDS2. PDS3. SDS4. TDS6-25. To displaythe pilot,attack information tothe electro-opticaldisplay system uses what type ofsource?1. Electronic2. Light3. Analog4. Digital6-26. The electro-optical sightused by the pilot is the1. EOD2. EODU3. HUD4. HUDUsystem6-27. Which of the following sourcesprovide(s) aircraft performancedata?1. Bore sight reference2. Aircraft systems3. Tactical computer set4. Aircraft flight sensors6-28. The transparent mirror thatdisplays information to the pilotin the HUD set is called a1. reflector2. combiner3. mirror/reflector4. windscreenIN ANSWERING QUESTION 6-29 REFER, TOFIGURE 5-8 IN THE TEXTBOOK.6-29. Which of the following informationis/are NOT processed by the signaldata processor for the head-updisplay unit?1. Bore sight reference2. Discrete signals3. Tactical computer input4. Aircraft flight sensor data6-30. The HUD set signal data processorinput receivers operate on which ofthe following channels at the sametime?1. One and two; three and four2. One and three; two and four3. One and four; two and three4. One, two, three, and four6-31. The identity signal for the HUD setinput receivers of the signal dataprocessor consists of how manytotal bits of data?1. 242. 203. 134. 1040
6-32. What digital computer section ofthe HUD set signal data processordistributes the clock pulses?1. Control logic2. Sequence control3. Symbol generator4. Processor counter6-33. The symbol generator operates inthree major modes. Each mode isdependent on the other, and all arecompleted simultaneously.1. True2. False6-34. During the sixth and seventhoperations of the line mode, whataction occurs with respect to the Xand Y data?1. X data is shifted2. Y data is shifted3. The X and Y channel rateregisters are shifted by thesymbol generator4. The BITE circuits check alldata in the X and Y channelrate registers for correctness6-35. The symbol generator samples theHUD busy signal for what reason?1. To decode information2. To generate a self-test mode3. To transfer data to the HUDimmediately4. To transfer data to the HUDwhen it is ready6-36. When the circle mode of operationin the symbol generator is beingused, the circle is drawn (a) inwhat direction and (b) begins atwhat point on the CRT?1. (a) Clockwise (b) top2. (a) Clockwise (b) bottom3. (a) Counterclockwise (b) top4. (a) Counterclockwise (b) bottom6-37. What is the purpose of thebright-up pulse delay in the circlemode of the signal generator?1. To compensate for the slowresponse time of the deflectioncircuits in the HUD2. To compensate for the fastresponse time of the deflectioncircuits in the HUD3. To turn off the symbolgenerator4. To turn on the signal generator6-38. What voltage is applied to the CRTanode of the HUD?1. 5,000 volts2. 10,000 volts3. 15,000 volts4. 20,000 volts6-39. The electrical power used for theoperation of the standby reticle ofthe HUD is obtained from whatsource?1. The high-voltage power supply2. The low-voltage power supply3. Outside of the HUD4. The HUD battery6-40. In the optical module of the HUD,what is the purpose of theautobrilliance sensor?1. To detect ambient light changes2. To adjust output voltage levelto the sensor3. To amplify manual brightnessinput signals from the controlpanel4. To detect ambient light changesand amplify output voltagelevel to the sensor6-41. At what rate are the symbols drawnon the CRT of the HUD video module?1. 15 times per second2. 25 times per second3. 50 times per second4. 100 times per second41
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PASS/FAIL ASSIGNMENT PROCEDURESIf y
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Student CommentsCourse Title:Aviati
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Table 1-1.-Radio-Frequency Spectrum
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Figure 1-3.-LS-602/AI control panel
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Figure 1-4.-Manchester encoding.thr
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they can complete a full cycle. The
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one-shot circuit output is directly
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Figure 1-7.-VHF-AM control box.Figu
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indicators in the following text. E
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Figure 1-11.-C-9245/ARC-161 control
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and the PWR/FILL switch is not in t
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panel is in OFF. If the DTS control
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the keyboard are sent directly. Rec
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the signal data converter, where it
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Navigation is both an art and a sci
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this axis at right angles to it (fi
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. Course is the intended horizontal
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The standard atmosphere is theoreti
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eadings are higher than actual. Thi
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The barometric switch in the RAWS a
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Major ComponentsThe AN/ARN-84(V) TA
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the outputs is used for the automat
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DOPPLERIn the following text we wil
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CHAPTER 3RADARAs an avionics superv
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the antennas will stop at the posit
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AS-2146/APS-115 AntennaThe radar an
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completes the processing of radar a
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In the on-line mode, the sensor sta
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Mode SwitchThe mode switch is pract
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purpose of the horizon line is to i
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Maximum range for tracking is 40,00
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transmit a reply when RF interrogat
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airspeed-altitude computer. All fra
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SIF reply code is identical to the
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In mode 4, the reply video pulse is
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sound wave. The frequency (in hertz
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to affect the rate of travel of the
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DOPPLER EFFECTWhen there is relativ
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Figure 4-7.-Transducer installed on
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The Sonar Detecting-Range Set AN/AQ
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Figure 4-16.-RO-358/ASQ-13A.mechani
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applies 115 volts ac to the transmi
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are known as angles of dip (fig. 4-
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feet in length and represents the f
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compensation is needed for the long
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labeled ALT COMP. This switch is us
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select which signal goes to which p
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the passive directional sonobuoy (f
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REVIEW QUESTIONSQ1. How was the wor
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TACAN signals. When localizer signa
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1. The HEADING NO-GO indicator illu
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Figure 5-7.-New optical sight with
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computer’s program determines whi
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ias circuit, horizontal and vertica
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Figure 5-9.-Symbology—Continued.5
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Figure 5-14.-Sparrow mode.Figure 5-
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TACTICAL DISPLAY SYSTEM INTERFACEFi
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electrical signal, which varies in
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noise-free at that level. The impor
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Like the random interlace, this sys
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The polarity of the signal develope
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The SEC tube has applications in ex
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CHAPTER 6INFRAREDThe term infrared
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Table 6-1.-Characteristics of IR Ra
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potential difference across a PN ju
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system increases, and the reliabili
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used in the Navy, their principles
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signals from the control servomecha
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Figure 6-15.-FLIR positioning/stabi
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Figure 6-17.-Video converter video
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clamping signals from the sync gene
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shared by both azimuth and elevatio
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where they are converted into three
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go to the azimuth/elevation heat si
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TARGET TRACKING SIGHT CONTROLAs men
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control is injected in this module.
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CHAPTER 7WEAPONS SYSTEMSAs a result
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Figure 7-5.-Master light control pa
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Rocket firing systemWalleye systemA
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The wing-form display is displayed
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Figure 7-15.-Emergency jettison con
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The A/A weapon select switch select
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Part of the system consists of unpr
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Figure 7-22.-SH-3 (series) search a
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ottle and the ECU are mounted on to
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Figure 7-25.-Pylon/rack assembly.ci
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REVIEW QUESTIONSQ1. True or False.
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COMPUTER APPLICATIONSTYPES OF COMPU
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the most important. This data manip
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and other data that are to be used
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to represent the same data that was
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compatibility permits the computer
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most cases, the processing speed fa
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4. Stores the results of manipulati
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An overall check of a computer can
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CHAPTER 9AUTOMATIC CARRIER LANDING
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stabilized deck-coordinated system
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Figure 9-3.-Mode I landing sequence
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Figure 9-5.-Lateral automatic wave-
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Precipitation StaticPrecipitation s
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l Sliding-contact interference. Thi
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the signal applied to it. These spu
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the following methods: short circui
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Figure 10-4.-Internal construction
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Figure 10-9.-Methods for using RC f
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Band-Rejection FiltersA band-reject
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Causes of Static ElectricityGenerat
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composed of carbon particles, impre
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APPENDIX 1REFERENCES USED TODEVELOP
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Chapter 7Airborne Weapons/Stores Lo
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CHAPTER 3A1.A2.A3.A4.A5.A6.A7.A8.A9
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A7. Linking two or more computers t
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FORMULASAIII-2
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AIII-4
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Comparison of Units in Electric and
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Antisubmarine warfare weapons syste
Page 250 and 251: Electrostatic discharge, 10-15compo
Page 252 and 253: Heads-up display (HUD), 5-5air-to-a
Page 254 and 255: NNavigation basics, 2-1airborne nav
Page 256 and 257: Teletype system, 1-22block diagram,
Page 259: Assignment QuestionsInformation: Th
Page 262 and 263: 1-11. What will the Sillumination o
Page 264 and 265: 1-35.1-36.1-37.1-38.UHF-1 does NOT
Page 266 and 267: 1-59. What arethat thetactical1. Fr
Page 268 and 269: ASSIGNMENT 2Textbook Assignment:
Page 270 and 271: IN ANSWERING QUESTIONS 2-22 THROUGH
Page 272 and 273: 2-43. What method does the AN/APN-1
Page 274 and 275: 2-64. What distance is the maximum
Page 276 and 277: 3-12.3-13.The antenna position prog
Page 278 and 279: 3-32. The 128 nautical mile range i
Page 280 and 281: IN ANSWERING QUESTION 3-53,FIGURE 3
Page 282 and 283: 3-74. What is the nominal peak powe
Page 284 and 285: 4-12. Sonar transmission losses can
Page 286 and 287: 4-31.4-32.4-33.When positive gradie
Page 288 and 289: 4-52. The function of the dual curs
Page 290 and 291: 4-71. The angle between a magnetic
Page 292 and 293: IN ANSWERING QUESTIONS 5-9 THROUGH
Page 294 and 295: 5-29. What component contains theop
Page 296 and 297: 5-51. What type of RF output signal
Page 302 and 303: 6-42. What control(s) the symbolbri
Page 304 and 305: 6-65. Which, if any, of the followi
Page 306 and 307: 7-11. If the temperature of a black
Page 308 and 309: 7-34.A scan mirror is indexed three
Page 310 and 311: 7-56. What is the primary differenc
Page 314 and 315: 8-21. With the landing gear handle
Page 316 and 317: 8-42. With the F/A-18 AIM-9 Sidewin
Page 318 and 319: 8-66. The jettison of wing stores I
Page 320 and 321: 9-13. What method is used to change
Page 322 and 323: 9-36. In magnetic core memories, a
Page 324 and 325: 9-57. What typeaccess toof instruct
Page 326 and 327: 10-12. To maintain the angle-of-att
Page 328 and 329: 10-35. A receiver tuned to 2.4 kHze
Page 330: 10-55. When rubbed against any of t
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