T-45C TS, ADV & IUT ENG-21
CNI System
NOTE: The indications of a valid
VOR BIT test are: VOR bearing
pointer and digital bearing 315 +
3.0 degrees - CDI will move left,
maximum 2 dots. Marker lights
illuminate. If a valid VOR signal is
not received, only the marker
lights will illuminate.
(2) Inner knob: when rotated, changes
frequency of operation in 1-MHz increments
b.
Frequency display window: displays frequency
in use
c.
Volume/frequency knob
(1) Outer knob: when rotated, adjusts volume
of audio signal
(2) Inner knob: when rotated, changes
frequency of operation in 50-KHz
increments
3.
Aircraft interfaces--VOR/ILS system 1.4.18.2
Sg 3, fr 10
Fig 10: CNI Input
a.
Power
Power Sources
(1) 28 VDC generator bus: VOR/ILS receiver,
control panels
(2) 28 VDC essential services bus: COMM
control panels
b.
Inputs
(1) ILS glideslope and localizer signals
(2) VOR magnetic bearing signals from station
(3) Marker beacon signals
Page 21-31
(9-98) Original
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