2a553c CDC Volume 4 Ure
- 1.) Which of these devices did not contribute to increased tuning speeds for the ALR–20 Panoramic Receiver System?
- A.
Traveling wave tubes.
- B.
Backward wave oscillators.
- C.
Frequency sensitive channel filters.
- D.
Magnetically tuned bandpass filters.
- 2.When the ALR–20 Panoramic Receiver System is in manual mode which option cannot be evaluated?
- A.
Frequency.
- B.
Direction of threat.
- C.
Type of modulation.
- D.
PRF.
- 3.The ALR–20 Panoramic Receiver System is self-tested using
- A.
An RF test.
- B.
A video test.
- C.
An analog test.
- D.
RF and video tests.
- 4.What control do you adjust to put the ALR–20 Panoramic Receiver System into the AUTO tuning mode?
- A.
MAN FREQ control to MAX.
- B.
MAN FREQ control to AUDIO.
- C.
SWEEP WIDTH control to MAX.
- D.
SWEEP WIDTH control to AUDIO.
- 5.What ALR–20 Panoramic Receiver System control adjusts the sensitivity and gain of the receiver?
- A.
SWEEP WIDTH.
- B.
MAN FREQ.
- C.
RF LEVEL.
- D.
MAX.
- 6.The ALR–20 Panoramic Receiver System jammer control unit allows the operator to look through
- A.
Received threat packages.
- B.
Onboard system receivers.
- C.
Certain transmitter outputs.
- D.
Any internally generated noise on the displayed traces.
- 7.Which statement describes a self-test function in the ALR–20 Panoramic Receiver System?
- A.
RF test activates a pulse generator in the indicator.
- B.
Video test activates a pulse generator in the indicator.
- C.
RF test activates test oscillators in the individual tuners.
- D.
Video test activates test oscillators in the individual tuners.
- 8.Which control is not located under the protective panel on the front of the ALR–20 Panoramic Receiver System indicator?
- A.
Focus.
- B.
Intensity.
- C.
Positioning.
- D.
Scale illumination.
- 9.The power supply of the ALR–20 Panoramic Receiver System DC VOLTAGE MONITOR panel provides
- A.
Precise voltage indicator.
- B.
Precise current indicator.
- C.
General voltage indicator.
- D.
General current indicator.
- 10.How many of the ALR–69 Radar Warning Receiver indicator control unit’s lamp switches control modes of operation?
- A.
4
- B.
6.
- C.
8.
- D.
10.
- 11.Which ALR–69 Radar Warning Receiver component makes accurate amplitude and frequency measurements of detected radar signals?
- A.
FSRS receiver.
- B.
Signal processor.
- C.
Receiver controller.
- D.
Compass sail amplifier detector.
- 12.The ALR–69 Radar Warning Receiver component that has blanking circuits which allow it to distinguish TACAN output pulses and friendly radar to prevent their display on the azimuth indicator is the
- A.
FSRS receiver.
- B.
Signal processor.
- C.
Receiver controller.
- D.
Compass sail amplifier detector.
- 13.) What is the maximum number of threats displayed in the PRIORITY mode of the ALR–69 Radar Warning Receiver System?
- A.
3
- B.
5
- C.
11
- D.
16
- 14.) When the ALR–69 Radar Warning Receiver System is in PRIORITY mode, how is the operator notified when six or more high priority threats exist?
- A.
The OPEN legend flashes.
- B.
The PRIORITY legend flashes.
- C.
The OPEN and PRIORITY legends alternately flash.
- D.
The system automatically returns to the OPEN mode.
- 15.Which ALR–69 Radar Warning Receiver System indicator-control lamp switch permits better viewing of obscured threat symbols?
- A.
MODE.
- B.
TGT SEP.
- C.
SEARCH.
- D.
HANDOFF
- 16.The displayed symbol that indicates that a signal’s parameters do not meet the requirements programmed into the ALR–69 Radar Warning Receiver System is the
- A.
S.
- B.
U.
- C.
Flashing diamond.
- D.
Floating diamond.
- 17.) When the PRI of a displayed emitter changes, what determines the PRI of the tone heard from the ALR–69 Radar Warning Receiver System?
- A.
The signal processor.
- B.
The PRI of the threat.
- C.
The amplifier detector.
- D.
The frequency selective receiver.
- 18.When a displayed emitter changes to a launch state, what determines the frequency of the audio heard from the ALR–69 Radar Warning Receiver System?
- A.
The PRI of the threat.
- B.
The frequency selective receiver.
- C.
The amplifier detector.
- D.
The signal processor.
- 19.Which option is not a threat file of the ALR–69 Radar Warning Receiver System?
- A.
Sea.
- B.
Land.
- C.
Training.
- D.
Airborne
- 20.Which threat file is selected when power is first applied to the ALR–69 Radar Warning Receiver System?
- A.
Sea.
- B.
Land.
- C.
Training.
- D.
Airborne.
- 21.What B–2 flight management system component controls and manages the data on the three primary MUX buses for the avionics functions?
- A.
PSLU.
- B.
AVIP.
- C.
SMRT.
- D.
FMCP.
- 22.The B–2 flight management system component that is the repository for all on-board test system data is the
- A.
FMCP.
- B.
SMRT.
- C.
AVIP.
- D.
OBMP.
- 23.What component converts analog signals into digital data for use by the B–2 fight management system computers?
- A.
DDU.
- B.
DEP.
- C.
AVIP.
- D.
SMRT.
- 24.How many B–2 flight management system multifunction display units are used to display system information to the aircrew?
- A.
2.
- B.
4.
- C.
6.
- D.
8.
- 25.Which B–2 flight management system multifunction display unit page provides warnings, cautions, and advisories to the aircrew?
- A.
Status.
- B.
Initiated BIT.
- C.
Avionics information.
- D.
TSD.
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