2-43.
What
method
does
the
AN/APN-194(V)
radar
altimeter
use
to
determine
altitude?
1.
Doppler
shift
2.
Frequency
change
3.
Time
delay
4.
Signal
strength
2-44.
The
control
knob
on
the
ID-1760A/APN-194(V)
has
which
of
the
following
functions?
1.
Power
switch
only
2.
Self-test
switch
only
3.
Position
control
for
the
limit
bug
4.
Power
and
self-test
switch
and
position
control
for
the
limit
bug
2-45.
Locked
at
550
feet,
in
what
altitude
mode
is
the
RT-1042/APN-194(V)
operating?
1.
Search
2.
Track
3.
Low-level
4.
High-level
2-46.
Locked
at
2,500
feet,
in
what
range
mode
is
the
RT-1042/APN-194(V)
operating?
1.
Search
2.
Track
3.
Low-level
4.
High-level
2-47.
What
component
of
the
AN/APN-194(V)
system
provides
isolation
of
the
receiver
from
the
transmit
antenna?
1.
BZ-157A
2.
RT-1042/APN-194(V)
3.
ID-176OA/APN-194(V)
4.
MX-9132A/APN-194(V)
2-48.
What
component
in
the
EA-6A
aircraft
applies
a
2-second
tone
alternating
between
700
and
1,700
Hz at
~-HZ
intervals
to
the
Its?
2-49.
What
altitude
is
the
high-altitude
index
on
the
AN/APQ-107
system
when
installed
in
the
P-3C
aircraft?
1.
170
(+20)
feet
2.
380
(L-20)
feet
3.
700
(+20)
feet
4.
830
(+20)
feet
2-50.
What
altitude
above
takeoff
altitude
does
the
RAWS inhibit
the
radar
altimeter
reliability
signal?
1.
170
feet
2.
380
feet
3.
700
feet
4.
830
feet
2-51.
What
control
on
the
C-6899/ARN-83
causes
a
tone
to
be
produced
for
tuning
purposes?
1.
ADF
switch
2.
LOOP
switch
3.
ANT
switch
4.
BFO
switch
2-52.
The
loop
antenna
signals
are
mixed
with
the
sense
antenna
signal
in
the
R-1391/ARN-83
in
what
mode
of
operation?
1.
ADF
2.
BFO
3.
LOOP
4.
ANTENNA
2-53.
What
mode
of
operation
causes
the
R-1391/ARN-83
to
act
as
a normal
receiver?
1.
ADF
2.
BFO
3.
LOOP
4.
ANTENNA
1.
BZ-157A
2.
RT-1042/APN-194(V)
3.
ID-176OA/APN-194(V)
4.
MZ-9132A/APN-194(V)
12,