Aviation Electronics Technician 1 - Historic Naval Ships Association

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3-12.3-13.The antenna position programmergenerates which of the followingsignals?1.2.3.4.Signals for antenna azimuthdrive motors onlySignals for antenna tilt drivemotors onlySignals for timing andsynchronization of the RTs,RIU, and IFF onlySignals for antenna azimuth andtilt drive motors and signalsfor timing and synchronizationof the RTs, RIU, and IFFWhat position is selected on theAPP fault isolation switch for thenormal mode of operation?3-16.3-17.What component generates thesynchronization that locks thetransmitter and receiver AFCtogether?1. Manual varactor2. Motor-driven varactor3. Receiver agilemodulator-demodulator4. Transmitter agilemodulator-demodulatorWhat subsection of the radar RTcontains a desiccant cartridge?1. Waveguide pressurization system2. Transmitter3. Receiver4. BITE3-14.3-15.1. ON2. OFF3. NORMAL4. OPERATEWhat frequency agile component inthe radar transmitter of theAN/APS-115B radar system is NOT ina standard radar transmitter?1. Magnetron2. Klystron3. Modulator4. SynchronizerThe frequency agility of theAN/APS-115B radar system has whatpositive effect on the system?1. Doubles the PW of thetransmitter2. Enhances the clutterelimination capability3. Decreases the antenna scanspeed4. Decreases PRF, which increasesoperational range3-18.3-19.3-20.3-21.Which of the following two beammodes will the radar antennaradiate?1. Pencil and conical2. Elliptical and cosecant squared3. Pencil and cosecant squared4. Elliptical and conicalWhat are the dimensions of theAS-2146/APS-115 radar antennaspoiled beam?1. 2.5° by 2.5°2. 2.5° by 3.8°3. 2.5° by 20.0°4. 3.8° by 20.0°The antenna elevation parkingcontrol is used to stow the aftantenna at zero-degree relativeaircraft heading when the aft radaris secured.1. True2. FalseWhat mode is selected on theforward radar control panel tooperate the forward radar in thesweep frequency mode?1. LONG2. SHORT3. FIXED4. AGILE16
3-22. What mode is selected on the radarcontrol panels to operate the radarantennas at a 6-RPM scan rate?1. LONG2. SHORT3. STC4. FTC3-23. On the radar control panels, whatsection on the high voltage selectswitch indicates to the operatorthat the radar system Is ready foruse when illuminated?1. WARM-UP2. STANDBY3. HV OFF4. HV FAIL3-24. What selectioncontrol panelsdisplay when alandmass?1. LONG2. SHORT3. STC4. FTCis made on the radarto improve thetarget is near a3-25. What knob is adjusted on the radarcontrol panels to match the radarnoise levels between the forwardand aft radars?1. STC DEPTH2. STC RANGE3. RCVR GAIN4. MAN TUNE3-26. What knob on the radar controlpanels varies the amount ofreceiver attenuation for close-intargets?1. STC DEPTH2. STC RANGE3. RCVR GAIN4. MAN TUNE3-27.3-28.3-29.3-30.3-31.What knob on the radar controlpanels varies the distance between0 and 20 nautical miles to whichintensity of close-in targets iseffectively reduced?1. STC DEPTH2. STC RANGE3. RCVR GAIN4. MAN TUNEWith the AFC/MAN switch In the MANposition on the radar controlpanels, the radars are in what modeof operation?1. Short2. Long3. Sweep4. FixedThe radar scan converter controlroutes the on-line/off-lineselection of the radar setoperation to what component?1. APP2. RIU3. CRS4. SDDSelection ofon the radarwill disablethe on-line operationscan converter controlall manual selectionswith the exception of the powerswitch on the front panel of whatcomponent?1. CP2. APP3. RIU4. LU 1What light will illuminate on theradar scan converter control toindicate the radar set is in theoff-line mode of operation?1. APP2. RIU3. TEST4. OFF LINE17
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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
Page 226 and 227: Band-Rejection FiltersA band-reject
Page 228 and 229: Causes of Static ElectricityGenerat
Page 230 and 231: composed of carbon particles, impre
Page 233 and 234: APPENDIX 1REFERENCES USED TODEVELOP
Page 235: Chapter 7Airborne Weapons/Stores Lo
Page 238 and 239: CHAPTER 3A1.A2.A3.A4.A5.A6.A7.A8.A9
Page 240 and 241: A7. Linking two or more computers t
Page 242 and 243: FORMULASAIII-2
Page 244 and 245: AIII-4
Page 246 and 247: Comparison of Units in Electric and
Page 248 and 249: 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 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 300 and 301: 6-20. On the HSI, when a tactical m
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
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10-12. To maintain the angle-of-att
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10-35. A receiver tuned to 2.4 kHze
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10-55. When rubbed against any of t
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Aviation Electronics Technician 1 - Historic Naval Ships Association

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