1.
) Which of these devices did not contribute to increased tuning speeds for the ALR–20
Panoramic Receiver System?
A. 
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. 
B. 
C. 
D. 
3.
The ALR–20 Panoramic Receiver System is self-tested using
A. 
B. 
C. 
D. 
4.
What control do you adjust to put the ALR–20 Panoramic Receiver System into the AUTO
tuning mode?
A. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
11.
Which ALR–69 Radar Warning Receiver component makes accurate amplitude and
frequency measurements of detected radar signals?
A. 
B. 
C. 
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. 
B. 
C. 
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. 
B. 
C. 
D. 
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. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
D. 
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. 
B. 
C. 
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. 
B. 
The frequency selective receiver.
C. 
D. 
19.
Which option is not a threat file of the ALR–69 Radar Warning Receiver System?
A. 
B. 
C. 
D. 
20.
Which threat file is selected when power is first applied to the ALR–69 Radar Warning
Receiver System?
A. 
B. 
C. 
D. 
21.
What B–2 flight management system component controls and manages the data on the three
primary MUX buses for the avionics functions?
A. 
B. 
C. 
D. 
22.
The B–2 flight management system component that is the repository for all on-board test
system data is the
A. 
B. 
C. 
D. 
23.
What component converts analog signals into digital data for use by the B–2 fight
management system computers?
A. 
B. 
C. 
D. 
24.
How many B–2 flight management system multifunction display units are used to display
system information to the aircrew?
A. 
B. 
C. 
D. 
25.
Which B–2 flight management system multifunction display unit page provides warnings,
cautions, and advisories to the aircrew?
A. 
B. 
C. 
D.