T-45A UJPT, E2-C2, ADV, & IUT Eng-21
CNI System
c.
Provides magnetic bearing
d.
Provides distance measuring
equipment (DME): slant range distance
to suitably equipped ground stations/
aircraft
e.
Controls and indicators
(1) Power switch (two-position switch)
(a) ON: connects power to
system (no warm-up required)
(b) OFF: disconnects power to
system
(2) Option select switch (three-posi-
tion switch)
(a) Y: selects Y channel for
TACAN operation. (There are
126 preset "Y Band" operating
channels)
(b) X: selects X channel for
TACAN operation. (There are
126 preset "X Band" operating
channels)
(c) XA/A: selects TACAN air-to-
air mode. Participating aircraft
must have 63-channel
separation. Distance
information to suitably
equipped aircraft is displayed
on HSI
(3) Channel selector: when rotated,
selects desired channel for
TACAN operation and displays
selection in channel window
Page 21-30
(8-03) Original
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