T-45C TS, ADV & IUT ENG-21
CNI System
(c) Receiver processes ground station
signals and the heading input signal
from DEU to provide output (magnetic
bearing)
(d) Displays course deviation and the
VOR radial on the VOR bearing pointer
and digital VOR bearing
(4) Station identity processed to provide audio
to pilot's headset when VOR switch on
COMM control panel is set to VOR
b.
ILS Operation
Sg 3, fr 6
ILS Displays
(1) Provides instrument landing system (ILS)
information (localizer, glideslope, and
marker beacon)
(2) Power/frequency selector on VOR/ILS
control panel set to PWR
(3) ILS frequency is tuned (108.10 to 111.95)
and automatically displays ILS steering
options on HSI display
(4) Signals from the localizer and glideslope
transmitter are routed through the VOR/
LOC and glideslope antennas to receiver
(5) Receiver detects, filters and compares the
90 Hz and 150 Hz signals to provide
outputs
(6) Displays localizer and glideslope on
localizer and glideslope needles on ADI
display and HUD
(7) Displays course deviation from an ILS
localizer (CDI), on the HSI when ILS is only
selected steering
(8) Advisory window displays ILS, localizer or
glideslope failure
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(9-98) Original
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